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Fraser Engines 6.6L L8T NEW DROP-N LOADED ENGINES

UNDER 100 ORIGINAL MILES

Check Fitment
BRAND NEW OEM GM TAKEOUT ENGINE

BRAND NEW OEM GM TAKEOUT 6.6L L8T Gasoline Engine

OEM | Direct Replacement | Drop-In Turn Key Takeout Engine | Under 100 Original Miles
$7,975.00
FREE Commercial Shipping
SKU
TKE66GLD-HD
✓No Upfront Core Fee
✓Under 100 Miles
✓Turn Key Takeout
✓3-Year / 100K Warranty
PREMIUM OEM TAKEOUT ADVANTAGE This is a drop-in turn key GM 6.6L L8T gasoline engine with under 100 original miles. It is designed for customers who want a near-new OEM engine package with major fully loaded components included for a cleaner, faster installation.
Included Parts & Warranty
  • 3-Year / 100,000-Mile Parts & Labor Warranty
  • OEM GM 6.6L L8T Gasoline Engine Assembly
  • Engine Block
  • OEM Cylinder Heads
  • OEM Pistons, Rings, and Bearings
  • OEM Camshaft and Valvetrain Components
  • OEM Timing Components
  • OEM Oil Pump
  • Oil Pan
  • Timing Cover
  • Valve Covers
  • Intake Manifold
  • Exhaust Manifolds
  • Fuel Rail and Injectors
  • Throttle Body
  • Water Pump
  • Harmonic Balancer
  • Ignition Coils
  • Spark Plugs
  • Oil Filter Adapter / Housing
  • Factory Sensors and External Accessories — if available with takeout package
📦 IN STOCK – Limited Inventory
Inventory is refreshed every 15 days; availability may change during update periods.
⛟ FREE shipping to commercial address ($125 residential delivery)
🔥 Order before 3PM EST for 2–3 business day delivery* Some exclusions apply.
Core Policy: No upfront core fee. Returnable core requirements, if applicable, will be verified at the time of order.
💳 Apply for Financing
Visa • Mastercard • AMEX • Discover • PayPal • Affirm • PayTomorrow
Secure checkout • Major credit cards accepted • Financing available through Affirm and PayTomorrow

Fraser Order Center

Complete your secure order request for SKU TKE66GLD-HD.

6.6l gas

Order Summary

Price: $7,975.00
Price: $99.00
Price: $125.00
Price: $99.00
Price: $199.00
Price: $299.00
Price: $399.00
Price: $499.00
Price: $250.00
Price: $49.99
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NO Fault Warranty Options (add them at checkout page if wanted)

What even is a NO FAULT Warranty and why would I need it if the engine already has a warranty for free? –Click to View Standard vs NFW protection breakdown

No-Fault Warranty Options

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).

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.

Recommended Goodies to Bundle with your New Engine

$47.99

Fraser Engines Premium Break-In Fluid is specially formulated to protect your new engine during the most critical phase of its life—the initial break-in period. Designed to promote proper ring seating, reduce friction, and prevent premature wear, this high-performance fluid helps ensure maximum longevity, smoother operation, and optimal performance from day one.

Trusted by engine builders and recommended by Fraser technicians, this break-in fluid provides the added protection your investment deserves during startup and early run time—when engine components need it most.

✔ Promotes proper piston ring seating
✔ Reduces initial wear and friction
✔ Helps protect camshafts, lifters, and bearings
✔ Ideal for all newly installed Fraser remanufactured engines

Highly recommended for every new engine installation.

$250.00

Fraser Engines Premium Engine Installation Kit

Fraser Engines’ Premium Engine Installation Kit is designed to streamline your engine replacement while protecting your investment from day one. This all-inclusive kit replaces the most commonly worn supporting components that can affect performance, cooling, and reliability after installation.

Kit Includes:
✅ New drive belts
✅ New radiator and heater hoses
✅ New water pump
✅ New thermostat
✅ New air filter
✅ New oil filter
✅ New spark plugs

Installing new supporting components helps reduce repeat labor, ensure proper cooling, and maximize the lifespan of your new engine.

⚠️ Availability may vary by application.
Please confirm availability during order confirmation to ensure this kit can be added to your purchase.

 

 

Let Fraser Find Your Perfect Installer

Need an engine or transmission but not sure where to have it installed? We’ve got you covered.

Fraser Engines & Transmissions now offers a dedicated installer-matching service designed to take the guesswork out of your repair. Our team will locate a qualified, vetted repair facility in your area that is best suited for your specific vehicle, engine, or transmission replacement.

Once we identify the right shop, we’ll contact you directly to review the details and coordinate the next steps—including finalizing your order and ensuring everything is aligned for a smooth installation process.

This service is available for a flat $99 coordination fee, allowing you to move forward with confidence knowing your installation is being handled by a trusted professional.

6.6L GM L8T Gasoline Engine Vehicle Fitments

Year(s) Make Model Engine Code Notes
2020–2026 Chevrolet Silverado 2500HD 6.6L V8 Gasoline (L8T) Heavy-duty gasoline truck application
2020–2026 Chevrolet Silverado 3500HD 6.6L V8 Gasoline (L8T) Available in SRW and DRW configurations
2020–2026 GMC Sierra 2500HD 6.6L V8 Gasoline (L8T) Heavy-duty gasoline platform
2020–2026 GMC Sierra 3500HD 6.6L V8 Gasoline (L8T) Available in dual rear wheel applications
2021–2026 Chevrolet Express 2500 6.6L V8 Gasoline (L8T) Full-size commercial cargo/passenger van
2021–2026 Chevrolet Express 3500 6.6L V8 Gasoline (L8T) Commercial and fleet applications
2021–2026 Chevrolet Express 4500 6.6L V8 Gasoline (L8T) Cutaway / chassis cab applications
2021–2026 GMC Savana 2500 6.6L V8 Gasoline (L8T) Commercial cargo/passenger van
2021–2026 GMC Savana 3500 6.6L V8 Gasoline (L8T) Heavy-duty van platform
2021–2026 GMC Savana 4500 6.6L V8 Gasoline (L8T) Cutaway / commercial chassis application
2020–2026 Chevrolet Silverado 4500HD / 5500HD / 6500HD 6.6L V8 Gasoline (L8T) Medium-duty commercial truck platform
2020–2026 GMC Sierra Chassis Cab 6.6L V8 Gasoline (L8T) Commercial and vocational applications

GM 6.6L L8T Gasoline Engines For Sale

Fraser Engines offers premium GM 6.6L L8T gasoline engine replacement options for heavy-duty Chevrolet and GMC trucks, commercial vans, fleet vehicles, and work-ready applications. Whether you need a remanufactured GM 6.6L engine or a brand-new OEM GM takeout 6.6L L8T gasoline engine, Fraser Engines provides dependable powertrain solutions built for towing, hauling, and long-term reliability.

Popular Application: The GM 6.6L L8T gasoline engine is commonly used in Chevrolet Silverado HD, GMC Sierra HD, Chevrolet Express, GMC Savana, and commercial chassis applications.

What Is the GM 6.6L L8T Engine?

The GM 6.6L L8T is a heavy-duty gasoline V8 engine designed for modern General Motors truck and commercial platforms. Built for work, towing, and fleet use, the L8T engine delivers strong low-end torque, durable construction, and dependable gasoline performance without the added complexity of diesel emissions systems.

This engine is a popular replacement option for customers who need reliable heavy-duty power in a gasoline platform. The 6.6L L8T is commonly selected by truck owners, commercial fleets, contractors, delivery operators, and repair facilities looking for a strong direct replacement engine.

Why Buy a GM 6.6L L8T Engine From Fraser Engines?

Fraser Engines focuses on high-quality engine replacement solutions with strong warranty coverage, professional support, and nationwide shipping. Our GM 6.6L L8T engine options are built for customers who need dependable performance, fast availability, and clear ordering support.

  • Premium remanufactured GM 6.6L L8T engine options
  • Brand-new OEM GM takeout 6.6L gasoline engines available
  • Fully loaded engine packages for easier installation
  • Direct replacement fitment for qualifying GM applications
  • Commercial and fleet-ready engine solutions
  • Nationwide shipping with commercial delivery options
  • No upfront core fee options available on qualifying units

Brand-New OEM GM Takeout 6.6L L8T Engines

Fraser Engines also offers brand-new OEM GM takeout 6.6L L8T gasoline engines for customers who want a near-new factory engine package. These takeout engines may include under 100 original miles and are designed as drop-in turn key replacement options for select GM truck and commercial applications.

OEM takeout engines are an excellent choice for customers who want factory GM components, low original mileage, and a complete engine package that helps reduce installation time.

Fully Loaded 6.6L L8T Engine Package

Depending on availability and application, fully loaded GM 6.6L L8T engine packages may include major components needed for installation. This helps repair shops, fleet managers, and vehicle owners save time sourcing additional parts.

  • OEM GM 6.6L L8T gasoline engine assembly
  • Engine block
  • OEM cylinder heads
  • OEM pistons, rings, and bearings
  • OEM camshaft and valvetrain components
  • OEM timing components
  • OEM oil pump
  • Oil pan
  • Timing cover
  • Valve covers
  • Intake manifold
  • Exhaust manifolds
  • Fuel rail and injectors
  • Throttle body
  • Water pump
  • Harmonic balancer
  • Ignition coils
  • Spark plugs
  • Oil filter adapter or housing
  • Factory sensors and external accessories, if available with the takeout package

Common GM 6.6L L8T Vehicle Fitments

The GM 6.6L L8T gasoline engine is commonly found in heavy-duty Chevrolet and GMC truck platforms, commercial vans, and fleet-use vehicles.

Chevrolet Applications

  • Chevrolet Silverado 2500HD
  • Chevrolet Silverado 3500HD
  • Chevrolet Express 2500
  • Chevrolet Express 3500
  • Chevrolet Express 4500
  • Chevrolet Silverado 4500HD
  • Chevrolet Silverado 5500HD
  • Chevrolet Silverado 6500HD

GMC Applications

  • GMC Sierra 2500HD
  • GMC Sierra 3500HD
  • GMC Savana 2500
  • GMC Savana 3500
  • GMC Savana 4500
  • GMC commercial chassis cab applications

Built for Towing, Hauling, and Commercial Use

The 6.6L L8T gasoline engine is designed for hard-working vehicles. It is commonly used in towing, hauling, utility, construction, delivery, and commercial fleet applications. Customers choose this platform because it provides strong gasoline V8 power while avoiding many of the added maintenance concerns associated with modern diesel emissions systems.

  • Strong heavy-duty gasoline V8 performance
  • Excellent option for towing and hauling
  • Ideal for commercial fleet service
  • Designed for HD truck and van applications
  • Reliable replacement option for high-demand vehicles

Warranty Coverage

Fraser Engines offers strong warranty coverage on qualifying GM 6.6L L8T engine packages. Warranty coverage may vary by engine type, application, and package selected.

Warranty Example: Select OEM takeout 6.6L L8T engines may be backed by a 3-Year / 100,000-Mile Parts & Labor Warranty.

Shipping and Availability

Fraser Engines ships GM 6.6L L8T engines nationwide. Commercial shipping may be available at no additional cost, with residential delivery and liftgate service available when needed.

  • FREE shipping to commercial addresses on qualifying orders
  • Residential delivery available
  • Liftgate delivery and pickup options available
  • Fast freight coordination
  • Inventory refreshed every 15 days

Core Policy

Many Fraser Engines products include no upfront core fee options. Core requirements may vary by engine package and will be verified at the time of order. When a returnable core is required, Fraser Engines can arrange free core pickup for qualifying orders.

Order Your GM 6.6L L8T Engine From Fraser Engines

If you need a replacement GM 6.6L L8T gasoline engine, Fraser Engines can help verify fitment, confirm availability, and guide you through the ordering process. Our team works with individual vehicle owners, repair facilities, commercial fleets, and wholesale buyers across the United States.

Need Help Finding the Right 6.6L L8T Engine?

Contact Fraser Engines today to confirm VIN fitment, warranty options, shipping details, and current inventory for your GM 6.6L L8T gasoline engine replacement.