1-Year No-Fault Warranty
$99.00
- One-time free replacement, no matter the cause of failure.
- Unlimited miles during the 1-year term.
- Labor covered at $50.00/hr (Mitchell or AllData book time).
FRASER ENGINES - GM 5.3L REMANUFACTURED ENGINE (GEN IV)
FITS GMC, CHEVY Vortec 5.3L (Gen. 4) VEHICLES (2014- 2019) GM Engine Code: L83
PLEASE SELECT AN OPTION
Engine Package: 1
Remanufactured 5.3L GM GEN IV Engine Assembly | Zero Miles | Built Back to OEM Specifications
SKU NUMBER: FEGM53GS4 / Standard Build
Best Seller
Popular Pick
YES! This item is: IN STOCK
🚚 Normally Delivers in 2-3 Business Days
Included In The Package
Engine Block
Timing Components
Pistons
Lifters
Connecting Rods
Cylinder Heads
Gasket Set
Oil Pump
Included Warranty Coverage
3 Years | Unlimited Miles Parts & Labor
Optional Hardware Add-ons
🔧 Premium Installation Kit – $250.00
No-Fault Warranty Options
2-Year No-Fault Warranty
$199.00
- One-time free replacement within 2 years.
- Unlimited miles during the term.
- Labor covered at $50/hr (Mitchell or AllData book time).
3-Year No-Fault Warranty
$299.00
- One-time free replacement within 3 years.
- Unlimited miles during the term.
- Labor covered at $50/hr (Mitchell or AllData book time).
4-Year No-Fault Warranty
$399.00
- One-time free replacement within 4 years.
- Unlimited miles during the term.
- Labor covered at $99/hr (Mitchell or AllData book time).
5-Year No-Fault Elite
$499.00
- Covers the full 5 years • one-time free replacement.
- Unlimited miles during the term.
- Labor covered at $99/hr (Mitchell or AllData book time).
Labor reimbursement uses published Mitchell or AllData times. One-time replacement applies per covered unit during the elected term.
About this Product
The Standard Option engine from Fraser Engines is built to original OEM specifications, similar to what you’d find from most online retailers (e.g., Powertrain, AutoZone, Advance Auto Parts, etc.). This option is ideal for those needing a quick solution or simply looking for a reliable engine to get their vehicle back on the road. If you’re seeking an upgraded version of this engine, we highly recommend exploring the Fraser Advantage build.
SALE PRICE: $3999.00
Core Deposit (waivable): $500.00
Round Trip Shipping: FREE (with promo code) Normally $389.00
TOTAL: $3999.00
Not ready to buy just yet? No problem — click the button below to lock in the current sale price for the next 30 days. Even if the price goes up, your locked-in rate stays the same. It’s a simple way to secure today’s savings while you take time to decide.
5.3L Engine Vehicle Fitments (2014–2019)
| Year(s) | Make | Model | Engine Code (VIN) | Notes |
|---|---|---|---|---|
| 2014–2018 | Chevrolet | Silverado 1500 | L83 | EcoTec3 Gen V, direct injection |
| 2014–2018 | GMC | Sierra 1500 | L83 | EcoTec3 Gen V, direct injection |
| 2019 | Chevrolet | Silverado 1500 LD (Classic body) | L83 | Carried over GMT K2XX platform |
| 2019 | GMC | Sierra 1500 Limited (Classic body) | L83 | Carried over GMT K2XX platform |
| 2015–2019 | Chevrolet | Tahoe | L83 | All trims; EcoTec3 Gen V |
| 2015–2019 | GMC | Yukon | L83 | All trims; EcoTec3 Gen V |
| 2015–2019 | Chevrolet | Suburban 1500 | L83 | EcoTec3 Gen V |
| 2015–2019 | GMC | Yukon XL 1500 | L83 | EcoTec3 Gen V |
| 2015–2019 | Cadillac | Escalade | L83 | Base trims; higher trims used 6.2L L86 |
| 2014–2017 | Chevrolet | Avalanche | L83 | Final production run in select markets |
Engine Package: 2
FRASER Advantage™ Premium Remanufactured 5.3L GM GEN IV Engine | Zero Miles | Better than New Build | All TSB Updates Applied
SKU NUMBER: FEGM53G3R4-HD
Best Seller
Popular Pick
YES! This item is: IN STOCK
🚚 Normally Delivers in 2-3 Business Days
Included In The Package
Engine Block
Updated Timing Components
Updated Pistons
Updated Lifters
Connecting Rods
Remanufactured & Updated Cylinder Heads
Premium Gasket Set
Updated Oil Pump
Oil Pan
Timing Cover
Valley Cover
Included Warranty Coverage
5 Years | Unlimited Miles Parts & Labor
1 Year NO FAULT Included FREE! – $99.00 Value
Optional Hardware Add-ons
🔧 Premium Installation Kit – $250.00
No-Fault Warranty Options
1-Year No-Fault Warranty
$99.00
Included at no charge with any Fraser Advantage™ engine purchase.
- One-time free replacement, no matter the cause of failure.
- Unlimited miles during the 1-year term.
- Labor covered at $50.00/hr (Mitchell or AllData book time).
2-Year No-Fault Warranty
$199.00
- One-time free replacement within 2 years.
- Unlimited miles during the term.
- Labor covered at $50/hr (Mitchell or AllData book time).
3-Year No-Fault Warranty
$299.00
- One-time free replacement within 3 years.
- Unlimited miles during the term.
- Labor covered at $50/hr (Mitchell or AllData book time).
4-Year No-Fault Warranty
$399.00
- One-time free replacement within 4 years.
- Unlimited miles during the term.
- Labor covered at $99/hr (Mitchell or AllData book time).
5-Year No-Fault Elite
$499.00
- Covers the full 5 years • one-time free replacement.
- Unlimited miles during the term.
- Labor covered at $99/hr (Mitchell or AllData book time).
Labor reimbursement uses published Mitchell or AllData times with ASE-certified shop documentation. One-time replacement applies per covered unit during the elected term.
About this Product
The Fraser Advantage engine is our premium specification, exclusive to Fraser. Each unit is remanufactured to Fraser Advantage standards by approved facilities, incorporating all applicable OEM Technical Service Bulletin (TSB) updates to address known factory issues. Built with top-tier components and validated through rigorous pre-shipment testing, Fraser Advantage is for customers who want superior reliability and peace of mind—delivering best-in-class performance while mitigating common problems found in original versions.
SALE PRICE: $4499.00
Core Deposit (waivable): $500.00
Round Trip Shipping: FREE (with promo code) Normally $389.00
TOTAL: $4499.00
Not ready to buy just yet? No problem — click the button below to lock in the current sale price for the next 30 days. Even if the price goes up, your locked-in rate stays the same. It’s a simple way to secure today’s savings while you take time to decide.
5.3L Engine Vehicle Fitments (2014–2019)
| Year(s) | Make | Model | Engine Code (VIN) | Notes |
|---|---|---|---|---|
| 2014–2018 | Chevrolet | Silverado 1500 | L83 | EcoTec3 Gen V, direct injection |
| 2014–2018 | GMC | Sierra 1500 | L83 | EcoTec3 Gen V, direct injection |
| 2019 | Chevrolet | Silverado 1500 LD (Classic body) | L83 | Carried over GMT K2XX platform |
| 2019 | GMC | Sierra 1500 Limited (Classic body) | L83 | Carried over GMT K2XX platform |
| 2015–2019 | Chevrolet | Tahoe | L83 | All trims; EcoTec3 Gen V |
| 2015–2019 | GMC | Yukon | L83 | All trims; EcoTec3 Gen V |
| 2015–2019 | Chevrolet | Suburban 1500 | L83 | EcoTec3 Gen V |
| 2015–2019 | GMC | Yukon XL 1500 | L83 | EcoTec3 Gen V |
| 2015–2019 | Cadillac | Escalade | L83 | Base trims; higher trims used 6.2L L86 |
| 2014–2017 | Chevrolet | Avalanche | L83 | Final production run in select markets |
Why Choose Fraser Advantage
Fraser Advantage Build Process
Description
Tech Updates
Specifications
Break-In Procedures
Vehicle Fitments
Why Choose Fraser Advantage
The 5.3L EcoTec3 V8 engine (L83, L82, and L84) from General Motors, produced from 2015 to 2020, was widely used across a variety of GM vehicles, particularly in trucks, SUVs, and some performance applications. Below is a list of models that used this engine:
Chevrolet Models:
Chevrolet Silverado 1500
- Model Years: 2014–present
- Notes: One of the most common applications for the 5.3L engine, offering a balance between performance and fuel efficiency.
Chevrolet Tahoe
- Model Years: 2015–present
- Notes: The 5.3L engine is standard on most Tahoe models, providing strong towing capability and a smooth driving experience.
Chevrolet Suburban
- Model Years: 2015–present
- Notes: The Suburban uses the 5.3L engine as its primary powertrain, especially in lower to mid-level trims.
Chevrolet Avalanche
- Model Years: 2013 (final year for this vehicle, but the engine carried over from the prior years)
GMC Models:
GMC Sierra 1500
- Model Years: 2014–present
- Notes: The Sierra 1500, similar to the Silverado, extensively used the 5.3L engine for its blend of power and fuel efficiency.
GMC Yukon
- Model Years: 2015–present
- Notes: The Yukon is a full-size SUV that uses the 5.3L engine, offering excellent towing capacity and passenger comfort.
GMC Yukon XL
- Model Years: 2015–present
- Notes: The extended-wheelbase version of the Yukon, the Yukon XL, also uses the 5.3L engine.
Cadillac Models:
Cadillac Escalade
- Model Years: 2015–present
- Notes: While the 6.2L engine is more common in higher trims, the 5.3L engine was used in certain markets or entry-level models of the Escalade.
Cadillac Escalade ESV
- Model Years: 2015–present
- Notes: The extended version of the Escalade, similar to the Yukon XL and Suburban, featuring the 5.3L engine in some trims.
Other GM Models:
Chevrolet Express (2500 and 3500)
- Model Years: 2015–present
- Notes: The 5.3L engine was available as an option in the Chevrolet Express vans, especially for commercial use.
GMC Savana (2500 and 3500)
- Model Years: 2015–present
- Notes: Similar to the Chevrolet Express, the GMC Savana offered the 5.3L engine for fleet and commercial applications.
Summary of Models Using the 5.3L GM V8 Engine (2015–2020):
- Chevrolet Silverado 1500
- Chevrolet Tahoe
- Chevrolet Suburban
- Chevrolet Avalanche (2013 final year)
- GMC Sierra 1500
- GMC Yukon
- GMC Yukon XL
- Cadillac Escalade
- Cadillac Escalade ESV
- Chevrolet Express (2500/3500)
- GMC Savana (2500/3500)
Fraser Advantage Build Process
STEP 1) ENGINE BLOCK DISASSEMBLY
Our journey begins with a thorough visual inspection of each engine block for casting defects. We meticulously disassemble the components, inspecting each part for damage and identifying the cause of failure. We remove oil and water passage plugs to guarantee optimal results during thermal cleaning. We select only premium castings for our marine blocks, insisting on replacements in all salt-water applications. For high-performance engines, we utilize premium cores, never employing repaired castings or sleeved blocks, preserving the authenticity of your classic car’s original block casting with our skilled technicians’ craftsmanship.
STEP 2) ENGINE BLOCK THERMAL CLEANING
We elevate engine parts to a new level of clean with our thermal cleaning system. This process evenly distributes heat throughout the chamber, avoiding overheating or warping. Components are heated in an oxygen-deficient atmosphere, decomposing combustible hydrocarbons and leaving parts dry. We use the Ace RKE 230 oven exclusively for cast iron blocks, ensuring ash residue is effortlessly removed in the subsequent stainless steel shot blasting phase.
STEP 3) ENGINE BLOCK SHOT BLASTING
Our shot-blasting method employs stainless steel shot to remove surface contamination like rust, creating a smoother finish. This step is vital for detecting surface and subsurface defects during quality inspection. The peening process imparts compression strength to the metal, preparing it for a preliminary defect inspection.
STEP 4) ENGINE BLOCK MAGNAFLUXING
We use magnetic particle inspection to detect cracks and imperfections in ferrous engine parts, ensuring the highest quality for our cast iron blocks. Before proceeding to aluminum blocks, we explain their specific cleaning, testing, and defect checking processes.
STEP 5) ENGINE BLOCK HIGH PRESSURE WASH
Aluminum engine blocks first encounter our AXE SW20 OS spray cleaning system, which removes all foreign material with its powerful spraying action and multi-integrated nozzles. This step is crucial for a thorough inspection.
STEP 6) ENGINE BLOCK SONIC CLEANING
We use ultrasonic cleaning for aluminum blocks, known as the benchmark in cleanliness. This method reaches inaccessible areas, breaking the bonds that hold small particles to surfaces. Post-cleaning, the block undergoes pressure testing.
STEP 7) ENGINE BLOCK PRESSURE TESTING
We employ the Delta Pressure tester to double-check for pinholes after magnafluxing and dye testing, ensuring the integrity of all castings used in our products.
STEP 8) ENGINE BLOCK PREPARATION
After a complete visual inspection, we repair minor casting defects, remove broken bolts, tap threads, and perform gasket surface repairs to minimize stock removal.
STEP 9) ENGINE BLOCK MACHINING
We use the RMC CNC V40 enclosed machining center for precise and versatile machining. This computerized machine measures and levels blocks, measures deck heights & cylinder bore sizes, eliminating operator error. Our machine determines Ra finish based on block type and gasket used, utilizing CBN cutters and checking surface finish with the Mitutoyo SJ-301.
STEP 10) ENGINE BLOCK ROD RECONDITIONING
The Sunnen LBB-1600 Hone, measuring accuracy within .0001″, is our choice for precision rod reconditioning and pin fitting, ensuring honed bores equal to or better than new rods. High-performance engines are fitted with ARP high-strength bolts and nuts prior to this step.
STEP 11) ENGINE BLOCK HONING
We are the first to use Rottler’s newest cylinder honing machine, ensuring the most accurate honing with cylinders finishing within .0001″ roundness and straightness. This machine continuously analyzes and corrects the bore, maintaining evolving engine designs’ critical oil clearances and machining tolerances.
STEP 12) ENGINE BLOCK HIGH PRESSURE WASH
After precise machining, our blocks undergo a second high-pressure wash cycle, ensuring absolute cleanliness for final assembly.
STEP 13) ENGINE BLOCK SONIC CLEANING
We ultrasonically clean all parts prior to assembly, ensuring the ultimate cleanliness level. This method reaches every surface and internal area, providing the cleaning force required for the most stringent standards.
STEP 14) ENGINE BLOCK ASSEMBLY
Each assembler at Fraser Engines conducts a thorough visual inspection and measures parts for proper size. We fit blocks with new cam bearings, oil restrictors, relief valves, new water and oil plugs, and more. Cylinder heads are installed with new bolts and gaskets, and each cylinder’s seal integrity is checked. The final inspection by our assembly manager ensures the highest quality for your remanufactured engine.
Fraser Engines is committed to delivering engines of exceptional quality and performance. Our rigorous, detailed remanufacturing process ensures every engine we deliver meets our high standards and exceeds your expectations.
THE GOLD STANDARD IN ENGINE REMANUFACTURING
1.) The COMEC ACF200
At Fraser Engines, we embrace cutting-edge technology to ensure that every engine we remanufacture meets the highest standards of quality and performance. A cornerstone of our state-of-the-art machinery is the ACF200 Cylinder Boring-Resurfacing Machine. This sophisticated equipment plays a pivotal role in our engine rebuilding process, allowing us to deliver products that consistently exceed expectations.
Precision Engineered for Excellence
The ACF200 is renowned for its precision and versatility. Our skilled technicians utilize this machine’s advanced capabilities to perform intricate machining tasks with unmatched accuracy.
- Dual Functionality: Boring and resurfacing are critical steps in engine remanufacturing. The ACF200 excels in both, ensuring that each cylinder bore is machined to perfection and that every surface finish meets stringent specifications.
- Unrivaled Accuracy: The ACF200’s precision engineering allows us to achieve the tight tolerances required for modern engines. This precision is not just about meeting specifications; it’s about ensuring the longevity and reliability of each Fraser Engine.
- Adaptable to All Engine Types: The versatility of the ACF200 means that no engine is beyond our capability. Whether dealing with compact car engines or heavy-duty truck engines, our machine handles them all, making it an invaluable asset in our remanufacturing process.
The Fraser Engines Advantage
Incorporating the ACF200 into our remanufacturing process allows us to offer several distinct advantages:
Meticulous Cylinder Machining: Each engine’s cylinders are bored and honed to exact dimensions, ensuring optimal fit and function. This meticulous attention to detail is crucial for the engine’s performance and the vehicle’s overall efficiency.
Flawless Surface Finishing: Proper head gasket sealing is paramount in engine rebuilding. The ACF200 enables us to resurface engine blocks and cylinder heads to precise specifications, ensuring a perfect seal and reliable performance.
Assured Quality and Performance: With the ACF200’s precision, every engine remanufactured at Fraser Engines is a testament to our commitment to quality. We don’t just rebuild engines; we enhance them, setting new benchmarks for performance and reliability in the remanufacturing industry.
2.) CNC Crankshaft Grinder
At Fraser Engines, we pride ourselves on being at the forefront of remanufacturing innovation, and our CNC Crankshaft Grinder stands as a testament to this commitment. As a leading remanufacturer, we boast the utilization of CNC Crank Grinders, a technology that sets us apart and reinforces our position as an industry pioneer in the United States.
Cutting-Edge Technology in Every Turn
Our CNC Crankshaft Grinder represents the pinnacle of modern engineering, bringing the precision of fully automated production processes, typically exclusive to OEM plants, into our remanufacturing workflow.
One-Chucking Complete Grinding: Designed for efficiency and excellence, the CNC Crankshaft Grinder performs complete grinding of crankshafts in a single chucking. This advanced approach ensures consistency and precision throughout the entire process.
Unmatched Precision and Quality: The machine’s capabilities extend far beyond the current industry standards, offering:
- Stabilized Dimensional Accuracy: Every crankshaft remanufactured at Fraser Engines benefits from unparalleled precision, maintaining exacting specifications for every component.
- Superior Surface Quality: The CNC Crankshaft Grinder delivers a finish of the highest quality, ensuring each crankshaft’s longevity and performance.
- Tighter Tolerances: With the advanced technology of our CNC Crankshaft Grinder, we achieve and consistently maintain the tightest tolerances, ensuring each remanufactured crankshaft meets rigorous standards.
3.) Flame Spray Technology
At Fraser Engines, we’re committed to innovation and excellence in every facet of our remanufacturing process. Our continuous pursuit of improvement and our investment in the latest technologies underscore this commitment. A shining example of our forward-thinking approach is the integration of state-of-the-art flame spray technology into our operations.
Pioneering with Flame Spray
Recently, Fraser Engines has taken a significant leap forward by incorporating the latest flame spray machine into our remanufacturing facilities. Installed and fully operational since 2016, this technology marks a new era in our production capabilities.
Setting New Standards in Finish Quality: The flame spray machine elevates our ability to meet and exceed the finish requirements for engine block cylinder bores. With this technology, Fraser Engines effortlessly surpasses the industry benchmarks for remanufacturing current model year engines.
Unparalleled Precision and Durability: Flame spray technology allows us to apply coatings with unmatched precision and uniformity, ensuring each engine block’s durability and performance are maximized. This process not only enhances the quality of the finished product but also extends the lifespan of the engines we remanufacture.
Description
The 5.3L GM V8 engine—part of the EcoTec3 family—is one of General Motors’ most widely used engines, especially in trucks and SUVs. From 2015 to 2020, this engine saw significant updates in technology, aimed at improving performance, fuel economy, and emissions. The engine, known for its durability, flexibility, and power, has been used in a variety of vehicles such as the Chevrolet Silverado, GMC Sierra, and Chevrolet Tahoe, among others.
Here is a complete and detailed overview of the 5.3L GM engine (2015–2020):
Engine Architecture
Displacement:
- 5.3 liters (5,327 cc)
Bore and Stroke:
- Bore: 96.01 mm (3.78 inches)
- Stroke: 92.00 mm (3.62 inches)
Block Material:
- Cast aluminum (lightweight, reducing overall vehicle weight, improving fuel efficiency)
Cylinder Head Material:
- Aluminum (improves heat dissipation and reduces weight)
Valvetrain:
- Overhead Valve (OHV) design, 2 valves per cylinder, using pushrods to actuate the valves
- Variable Valve Timing (VVT): Adjusts the timing of the intake and exhaust valves, optimizing performance and fuel efficiency
Compression Ratio:
- 11.0:1, which is relatively high, allowing for better power delivery and fuel efficiency
Engine Layout:
- 90-degree V8 configuration
- Cast nodular iron crankshaft for durability under load
Fuel and Induction System
Fuel System:
- Direct Injection (DI): Introduced with the EcoTec3 engine family, direct injection places the fuel directly into the combustion chamber, allowing for a more precise air-fuel mixture, improving both power output and fuel economy.
Air Induction:
- Naturally aspirated: No turbocharger or supercharger, relying on atmospheric pressure for air intake.
- Active Air Management System: Helps the engine optimize the air intake for better combustion efficiency.
Throttle System:
- Electronic throttle control (drive-by-wire system)
Fuel Efficiency and Emissions Technologies
Active Fuel Management (AFM):
- AFM is a cylinder deactivation technology, allowing the engine to switch between V8 and V4 modes. During light load conditions (like highway driving or cruising), AFM deactivates four of the eight cylinders to save fuel. When power is needed, all eight cylinders reactivate.
Dynamic Fuel Management (DFM) (L84 variant from 2019 onward):
- DFM is a more advanced form of cylinder deactivation than AFM. Unlike AFM, which deactivates a fixed set of four cylinders, DFM can shut down any number of cylinders (1 to 7) depending on the load and driving conditions. This allows for finer control of the engine’s fuel usage, improving efficiency without sacrificing performance.
Emissions Controls:
- The 5.3L engine comes with modern emissions control systems, including a three-way catalytic converter and exhaust gas recirculation (EGR), to meet stricter emissions standards.
Performance Specifications
Power Output:
- Horsepower (L83/L82): 355 hp @ 5,600 rpm
- Horsepower (L84 with DFM): 355 hp @ 5,600 rpm
Torque:
- Torque (L83/L82): 383 lb-ft @ 4,100 rpm
- Torque (L84 with DFM): 383 lb-ft @ 4,100 rpm
Max RPM:
- 6,000 rpm (redline)
Technological Advancements and Features
Variable Valve Timing (VVT):
- The 5.3L EcoTec3 engine is equipped with VVT, which optimizes the camshaft timing based on engine load and speed. This technology improves performance, emissions, and fuel economy by ensuring that the valves open and close at the best time.
Aluminum Block & Cylinder Heads:
- The engine’s lightweight aluminum block and heads reduce overall vehicle weight, which, in turn, improves fuel efficiency and handling, without sacrificing strength and durability.
Direct Injection (DI):
- DI enhances combustion efficiency by injecting fuel directly into the combustion chamber at high pressure. This ensures a more complete burn, improving power and fuel economy while reducing emissions.
Electronic Throttle Control (ETC):
- The drive-by-wire throttle system allows for precise control of throttle response, providing smoother acceleration and better integration with the vehicle’s other electronic systems, including traction control and transmission.
Cooling System:
- The 5.3L engine features an efficient cooling system with a mechanical water pump and a thermostat, ensuring the engine operates at optimal temperatures for longevity and performance.
Oil Management:
- Oil Cooler: Helps maintain proper oil temperatures, especially during heavy-duty applications such as towing.
- Oil Capacity: Approximately 8.0 quarts, depending on the vehicle.
- Oil Viscosity: 5W-30 or 0W-20 synthetic, depending on the model year and configuration.
Applications:
The 5.3L EcoTec3 engine was used in various GM trucks, SUVs, and large vehicles, including:
- Chevrolet Silverado 1500 (2014–present)
- GMC Sierra 1500 (2014–present)
- Chevrolet Tahoe (2015–present)
- Chevrolet Suburban (2015–present)
- GMC Yukon/Yukon XL (2015–present)
- Cadillac Escalade (2015–present)
Strengths of the 5.3L Engine
Versatility:
- The 5.3L engine is adaptable for different applications, from daily driving to towing heavy loads, and off-road use. It offers the ideal balance between fuel economy and performance.
Fuel Efficiency:
- With technologies like AFM and DFM, the 5.3L engine offers impressive fuel efficiency for a V8 engine, especially in trucks and SUVs.
Durability:
- Known for its long-lasting reliability, the 5.3L V8 engine is built to endure the stress of heavy towing and off-road driving, especially in large SUVs and pickup trucks.
Balanced Performance:
- With 355 horsepower and 383 lb-ft of torque, the 5.3L engine delivers enough power to handle light to medium-duty towing, hauling, and performance tasks without sacrificing drivability.
Weaknesses and Considerations
- Limited High-End Performance:
- While the engine provides good torque and low-to-mid-range power, it doesn’t have the same high-revving capabilities as performance-focused V8s, like GM’s 6.2L engine.
- AFM and DFM Longevity Concerns:
- Some users have reported issues with AFM and DFM systems over time, particularly in terms of oil consumption and long-term wear on the engine. However, these systems have been refined over the years.
Tech Updates
5.3L GM Vortec EcoTec3 Engine (2014–2019) – Technical Updates by Fraser Engines
The 5.3L EcoTec3 V8 engine, used in GM vehicles from 2014–2019, combines power, efficiency, and modern technology. However, common issues such as Active Fuel Management (AFM) failures, excessive oil consumption, carbon buildup, and lifter malfunctions can shorten its lifespan. Fraser Engines resolves these issues with advanced remanufacturing processes and modern technical updates, ensuring improved performance, durability, and reliability.
1. AFM (Active Fuel Management) System Solutions
AFM, while designed to improve fuel economy, often causes lifter failures, excessive oil consumption, and misfires. Fraser offers two options to address these issues:
- AFM Delete Option: The AFM system is eliminated entirely, restoring full-time V8 operation for enhanced reliability and performance.
- Upgraded AFM Components: For customers retaining AFM, Fraser installs premium lifters and upgraded oil control systems to prevent failures and improve durability.
2. Piston and Ring Upgrades to Reduce Oil Consumption
Excessive oil consumption is a major issue in the factory 5.3L EcoTec3 due to poor piston ring design. Fraser Engines resolves this with:
- High-Strength Hypereutectic Pistons: Updated pistons resist wear and improve heat dissipation, enhancing engine longevity.
- Premium Oil Control Rings: Advanced piston rings provide tighter cylinder sealing, reducing blow-by and oil consumption.
- Precision Honed Cylinders: Optimized cylinder wall surfaces allow piston rings to seat perfectly, ensuring better compression and oil control.
3. Timing Chain System Enhancements
Timing chain wear and tensioner failures can lead to noisy operation and poor timing synchronization. Fraser Engines improves this critical system with:
- Upgraded Timing Chains: Heavy-duty, heat-treated chains resist stretching and wear.
- Improved Tensioners and Guides: Durable components ensure proper chain tension, preventing slack and reducing noise.
- Precision Timing Alignment: Accurate installation ensures proper synchronization of the camshaft and crankshaft, optimizing engine performance.
4. Carbon Buildup Mitigation (Direct Injection)
The direct injection system on the 5.3L engine can cause severe carbon buildup on intake valves, leading to rough idling and reduced efficiency. Fraser Engines addresses this with:
- Precision Valve Cleaning and Machining: Valves are thoroughly cleaned and precision-machined to remove carbon deposits.
- Upgraded Valve Seats: Improved materials increase resistance to carbon buildup and ensure long-lasting airflow efficiency.
- Optional Catch Can Installation: For proactive prevention, a catch can option is recommended to reduce carbon buildup from oil vapors.
5. Cylinder Head Refinement
The cylinder heads are improved to enhance durability and airflow:
- Pressure-Tested Heads: Each head is tested for cracks and leaks to ensure structural integrity.
- Precision-Cut Valves and Seats: Valves and seats are machined for optimal airflow, improving combustion efficiency and power output.
- New Valve Seals and Guides: High-quality components prevent oil leaks and restore proper valve operation.
6. Oil System Improvements for Reliability
Oil system problems, including low pressure and sludge buildup, can shorten engine life. Fraser Engines enhances the system with:
- High-Volume Oil Pump: Upgraded pumps provide consistent oil pressure to critical components, even under heavy loads.
- Cleaned Oil Passages: Precision-cleaned oil galleries eliminate sludge and blockages, ensuring smooth lubrication.
- Premium Oil Seals and Gaskets: Leak-free operation ensures long-term reliability.
7. Reinforced Crankshaft and Bearings
The bottom end of the 5.3L EcoTec3 is strengthened for durability:
- Polished and Balanced Crankshaft: Precision machining ensures smooth operation and reduces vibrations at high RPMs.
- High-Strength Bearings: Premium main and rod bearings improve load distribution and durability under high performance demands.
8. Improved Cooling System
Overheating can lead to head gasket failure and warping. Fraser Engines enhances cooling performance with:
- Cleaned and Restored Water Jackets: Ensures optimal coolant flow and prevents hot spots.
- Decked Surfaces: Flat mating surfaces improve gasket sealing, eliminating coolant leaks.
- Premium Head Gaskets: Multi-Layer Steel (MLS) gaskets provide superior sealing under high temperatures and pressures.
9. Comprehensive Gasket and Seal Replacement
Fraser Engines ensures every engine is leak-free with premium gaskets and seals:
- MLS Head Gaskets: Long-lasting durability for extreme conditions.
- Valve Cover, Oil Pan, and Timing Cover Gaskets: Prevent seepage and leaks from critical areas.
- Rear Main Seal: Ensures a long-lasting, leak-free crankshaft area.
10. Rigorous Testing for Quality and Reliability
Every 5.3L GM EcoTec3 engine undergoes extensive testing to ensure it meets or exceeds OEM standards:
- Compression Testing: Verifies proper cylinder sealing and combustion efficiency.
- Oil Pressure Testing: Confirms consistent lubrication to all critical components.
- Leak-Down Testing: Ensures valves, rings, and gaskets are properly sealed.
- Timing System Verification: Confirms accurate camshaft and crankshaft synchronization.
Applications for the 5.3L GM EcoTec3 Engine (2014–2019):
The remanufactured 5.3L EcoTec3 engine is compatible with the following GM vehicles:
- Chevrolet Silverado 1500 (2014–2019)
- GMC Sierra 1500 (2014–2019)
- Chevrolet Tahoe (2015–2019)
- Chevrolet Suburban (2015–2019)
- GMC Yukon/Yukon XL (2015–2019)
- Cadillac Escalade (2015–2019)
Why Choose Fraser Engines’ 5.3L GM EcoTec3 Engine?
Fraser Engines transforms the 5.3L EcoTec3 V8 into a reliable and high-performing engine by addressing factory flaws and implementing modern updates. Our precision machining, premium components, and rigorous quality control ensure:
- AFM-Related Issues Resolved (Delete Option Available)
- Reduced Oil Consumption
- Eliminated Carbon Buildup Problems
- Improved Timing System Durability
- Enhanced Cooling and Lubrication Systems
- Leak-Free Operation and Longer Engine Life
Power. Precision. Performance. Fraser Advantage.
Restore your GM truck or SUV with confidence – choose Fraser Engines.
TECH UPDATES
Cracked Cylinder Heads Causing Coolant Leaks
✦ Cylinder Heads are 100% pressure tested after installation to identify cracks or sealing issues
✦ Use of Multi-Layered Steel (MLS) gaskets to allow for higher cylinder temps and pressures
Piston Issues Slap/Oil Consumption
✦ 100% Inspection of updated piston size to allow for tighter piston-to-bore clearance to prevent piston slap and oil consumption issues
✦ In Process piston circlip validation
✦ 100% Use of PTFE coated Pistons to prevent scuffing/wear• Hypereutectic Pistons used to decrease distance between ring grooves, improving piston ring clearance
Valve Guide/Stem Wear & Noise
✦ Use of Chromed Valves to prevent valve guide wear & oil consumption by improving durability and reducing friction.
✦ CNC cut Valve seats for improved sealing & run-out, allowing for longer valve & seat life
AFM Lifter Issues
✦ All Models use only the Latest-Design Active Fuel Management (AFM) for improving oiling operation
✦ 100% Lifter Bore diameter inspection to help ensure OE level lifter to lifter bore issues
Low Oil Pressure
✦ 100% Installation of an updated oil pressure relief valve on ALL 2007-Newer
Runability & Leaks
✦ Assembled with Manufacturing Execution System for continuous monitoring & recording off all torque and in process inspection results
✦ Oil Pan, Timing cover & Rear cover are always installed
✦ 100% Crankcase leak tested to detect potential oil pan, rear seal, or other leaks
✦ 100% Camshaft Bearing Boring for improved cam journal alignment and tighter journal to bearing clearance
✦ 100% Sim tested to ensure correct compression, oil pressure, flow, and torque to turn Variable Cam Phaser testing (VVT) and Active Fuel Management (AFM) solenoid testing
Specifications
General Specifications:
- Engine Type: Naturally aspirated V8, 90-degree configuration
- Displacement: 5.3 liters (5,327 cc)
- Engine Family: EcoTec3 (part of GM’s Small Block Gen V family)
- Engine Block Material: Cast aluminum
- Cylinder Head Material: Cast aluminum
- Valvetrain: Overhead valve (OHV), 16 valves, 2 valves per cylinder, pushrod design
- Fuel System: Direct fuel injection (DI)
- Compression Ratio:
- L83: 11.0:1
- L82: 11.0:1
- L84: 11.0:1
- Firing Order: 1-8-7-2-6-5-4-3
- Aspiration: Naturally aspirated
Dimensions:
- Bore: 96.01 mm (3.78 inches)
- Stroke: 92.00 mm (3.62 inches)
- Displacement: 5,327 cc (5.3 liters)
Power Output:
L83 (2014–2018):
- Horsepower: 355 hp @ 5,600 rpm
- Torque: 383 lb-ft @ 4,100 rpm
- Featured Active Fuel Management (AFM), which deactivates four cylinders under light loads to improve fuel efficiency.
L82 (2019–present):
- Horsepower: 355 hp @ 5,600 rpm
- Torque: 383 lb-ft @ 4,100 rpm
- Also equipped with Active Fuel Management (AFM) but without Dynamic Fuel Management (DFM).
L84 (2019–present):
- Horsepower: 355 hp @ 5,600 rpm
- Torque: 383 lb-ft @ 4,100 rpm
- Dynamic Fuel Management (DFM): This technology allows the engine to deactivate any number of cylinders based on driving conditions, optimizing fuel consumption for improved efficiency compared to AFM.
Fuel Efficiency and Emissions Technologies:
Direct Injection (DI):
- Direct fuel injection sprays fuel directly into the combustion chamber, leading to better combustion efficiency, more power, and lower emissions.
Variable Valve Timing (VVT):
- VVT optimizes the engine’s valve timing for different driving conditions, ensuring a balance between performance and fuel efficiency.
Active Fuel Management (AFM):
- Available on the L83 and L82 variants, AFM deactivates four cylinders (converting the engine to a V4 mode) under light-load conditions to improve fuel efficiency.
Dynamic Fuel Management (DFM):
- Introduced with the L84 variant, DFM is a more advanced system that can deactivate any number of cylinders (from 1 to 7) depending on the load, improving efficiency even further compared to AFM.
Engine Features:
Cylinder Deactivation:
- L83 and L82: AFM deactivates four of the engine’s eight cylinders under light loads to save fuel.
- L84: DFM offers more precise control, deactivating between one and seven cylinders based on driving conditions.
Oil Management System:
- Oil Capacity: Approximately 8 quarts (7.6 liters) depending on vehicle model.
- Oil Viscosity: 0W-20 synthetic oil recommended.
- Equipped with an oil cooler to help regulate engine temperatures, especially during towing or heavy-duty applications.
Electronic Throttle Control (ETC):
- The engine uses a drive-by-wire system, offering precise control of the throttle response and integration with other electronic systems like traction control and transmission management.
Lightweight Components:
- Aluminum block and heads help reduce the weight of the engine, improving overall vehicle performance and fuel economy.
Performance Capabilities:
- Towing Capacity (General): Varies by model, but trucks like the Chevrolet Silverado and GMC Sierra equipped with the 5.3L V8 can typically tow between 9,300–11,000 lbs depending on configuration.
- Fuel Economy:
- Varies by vehicle, drivetrain, and driving conditions, but typical combined fuel economy is in the range of 16–22 miles per gallon (mpg) depending on the vehicle model and driving conditions.
Break-In Procedures
Use conventional or break-in oil (non-synthetic) for the first 600 miles of operation. Do not drive for long periods at any single speed, always vary your speed. Do not tow a trailer or put other heavy loads on the vehicle. Check the engine oil and coolant levels daily.
At 600 Miles change the engine oil and filter using conventional (non-synthetic) oil. Check fuel and ignition settings; adjust valves (where applicable).
Vehicle Fitments
The 5.3L EcoTec3 V8 engine (L83, L82, and L84) from General Motors, produced from 2015 to 2020, was widely used across a variety of GM vehicles, particularly in trucks, SUVs, and some performance applications. Below is a list of models that used this engine:
Chevrolet Models:
Chevrolet Silverado 1500
- Model Years: 2014–present
- Notes: One of the most common applications for the 5.3L engine, offering a balance between performance and fuel efficiency.
Chevrolet Tahoe
- Model Years: 2015–present
- Notes: The 5.3L engine is standard on most Tahoe models, providing strong towing capability and a smooth driving experience.
Chevrolet Suburban
- Model Years: 2015–present
- Notes: The Suburban uses the 5.3L engine as its primary powertrain, especially in lower to mid-level trims.
Chevrolet Avalanche
- Model Years: 2013 (final year for this vehicle, but the engine carried over from the prior years)
GMC Models:
GMC Sierra 1500
- Model Years: 2014–present
- Notes: The Sierra 1500, similar to the Silverado, extensively used the 5.3L engine for its blend of power and fuel efficiency.
GMC Yukon
- Model Years: 2015–present
- Notes: The Yukon is a full-size SUV that uses the 5.3L engine, offering excellent towing capacity and passenger comfort.
GMC Yukon XL
- Model Years: 2015–present
- Notes: The extended-wheelbase version of the Yukon, the Yukon XL, also uses the 5.3L engine.
Cadillac Models:
Cadillac Escalade
- Model Years: 2015–present
- Notes: While the 6.2L engine is more common in higher trims, the 5.3L engine was used in certain markets or entry-level models of the Escalade.
Cadillac Escalade ESV
- Model Years: 2015–present
- Notes: The extended version of the Escalade, similar to the Yukon XL and Suburban, featuring the 5.3L engine in some trims.
Other GM Models:
Chevrolet Express (2500 and 3500)
- Model Years: 2015–present
- Notes: The 5.3L engine was available as an option in the Chevrolet Express vans, especially for commercial use.
GMC Savana (2500 and 3500)
- Model Years: 2015–present
- Notes: Similar to the Chevrolet Express, the GMC Savana offered the 5.3L engine for fleet and commercial applications.
Summary of Models Using the 5.3L GM V8 Engine (2015–2020):
- Chevrolet Silverado 1500
- Chevrolet Tahoe
- Chevrolet Suburban
- Chevrolet Avalanche (2013 final year)
- GMC Sierra 1500
- GMC Yukon
- GMC Yukon XL
- Cadillac Escalade
- Cadillac Escalade ESV
- Chevrolet Express (2500/3500)
- GMC Savana (2500/3500)
Expertly Remanufactured 5.3L GM Engines by Fraser Engines & Transmissions
Fraser Engines & Transmissions is your trusted partner for 5.3L GM engine remanufacturing, offering unmatched quality and performance. Our state-of-the-art remanufacturing process involves precision engineering and the use of high-grade materials, ensuring each engine surpasses original specifications for durability and reliability.
Comprehensive Warranty Support for Your Peace of Mind
We back our remanufactured our 5.3L GM engines with an industry-leading warranty, reflecting our commitment to quality and customer satisfaction. This robust warranty coverage is our guarantee of reliability, offering you peace of mind with every purchase.
Tailored Consultation to Match Your Vehicle’s Needs
Our team of experts is dedicated to providing personalized consultation services, ensuring that your 5.3L GM engine selection is perfectly aligned with your vehicle’s performance requirements. We focus on understanding your needs to recommend the best engine solution, promising optimal performance and seamless integration.
Transform Your Vehicle with a Remanufactured 5.3L GM Engine
Opting for a remanufactured 5.3L GM engine from Fraser Engines & Transmissions means choosing an upgrade that enhances your vehicle’s efficiency, power, and reliability. Explore our selection of premium remanufactured engines today and take the first step towards a superior driving experience.