Fraser Engine Rebuilders, Inc.


GM OEM 4L80E TRANSMISSION 1991-2018 Remanufactured Zero Mile Transmissions


$ 2291
  • Core Deposit - $800.00 (fully refundable)
  • Shipping (round trip) - $250.00
  • Warranty - 3 Year / 100K Miles (upgrades available see below)
Extended Warranty: +$180.00
Premium Labor: +$150.00


  • Every transmission comes with a remanufactured and enhanced torque converter.
  • To prevent front seal leaks, vibration, and early bushing wear, all torque converters undergo testing for leaks, lock-up functionality, concentricity, and balance.
  • Independently tested, each fully remanufactured valve body includes a comprehensive system correction and recalibration kit.
  • Valves susceptible to wear are meticulously restored to exact specifications and vacuum tested to ensure they function correctly.
  • Each remanufactured transmission undergoes thorough testing under hot, cold, load conditions, and simulated road tests using our advanced CARS (Computer-Aided Road Simulation) dynamometer program.

This GM OEM 4L80E transmission is remanufactured with the HIGHEST QUALITY PARTS AVAILABLE.

The GM OEM 4L80E transmission is a four-speed automatic transmission designed for use in select vehicles from General Motors (GM) family of brands. It was introduced in 1991 and remained in use until 2018, making it a widely used transmission in various GM vehicles for nearly three decades.

The base transmission consists of an all-aluminum case and extension housing, hydraulically-controlled planetary gear sets, electronic shift control, and overdrive and lock-up torque converter. It is known for its robust construction and ability to handle high torque, making it suitable for heavy-duty applications.

The transmission specifications for the GM OEM 4L80E include gear ratios of 2.48:1 (1st), 1.48:1 (2nd), 1.00:1 (3rd), and 0.75:1 (4th) for improved fuel efficiency on the highway. It features a 6-bolt hexagon bolt pattern and has a transmission length of approximately 23.3 inches (593 mm). The weight of the 4L80E transmission ranges from 200 to 300 pounds (91 to 136 kg) depending on the model and configuration.

The GM OEM 4L80E transmission has been used in various GM vehicles from 1991 to 2018, including Chevrolet/GMC full-size trucks and SUVs, commercial vehicles such as the Chevrolet Kodiak and GMC Topkick, as well as select passenger cars like the Chevrolet Caprice, Buick Roadmaster, and Cadillac Fleetwood. It has been favored by truck enthusiasts for its durability and ability to handle high torque, and it has remained a popular choice in older GM vehicles.

Overall, the GM OEM 4L80E transmission is a reliable and robust transmission that has been widely used in GM vehicles from 1991 to 2018, offering smooth shifting and torque converter lock-up for improved fuel efficiency and drivability in heavy-duty applications.


– The valve body has been fully remanufactured, incorporating a comprehensive system correction and recalibration kit to enhance pressure control and refine shift quality.
– An improved actuator feed limit valve has been integrated to eliminate missed shifts and reduce the risk of early transmission failure.
– Holding capacity is significantly increased with the addition of an upgraded 34 element intermediate sprag.
– Brand-new shift solenoids are installed to guarantee reliable shifting.
– The EPC solenoid undergoes individual testing outside the transmission assembly to ensure accurate pressure control.
– A newly updated force motor enhances pressure control capabilities.
– Modifications to the pressure regulator have been made to prevent excessively high pressure.
– For models predating 1994, the case connector has been upgraded to the most current design, and a vehicle harness pigtail is included to solve any connectivity issues with older designs.
– The torque converter, fully remanufactured, is rigorously tested for leaks, lock-up, concentricity, and balance, with improvements that surpass original equipment specifications and address issues such as front seal leaks, premature bushing wear, and vibration.
– Installation of a No Walkout rear case bushing corrects a known original equipment issue, safeguarding against case and output shaft damage.
– Newly designed, custom-spec bushings are utilized to enhance the control of internal fluid flow and pressure.
– Each transmission undergoes extensive testing in both cold and hot conditions with a specialized dynamometer testing program, which includes the use of fully synthetic automatic transmission fluid and an advanced filtration system.

Discover the 4L80 Transmission: The Apex of Durability and Performance | Fraser Engines & Transmissions

Fraser Engines & Transmissions is proud to unveil the 4L80 transmission, a beacon of automotive innovation and strength. This four-speed automatic transmission, designed for supreme performance and longevity, stands out for its exceptional precision, efficiency, and control. Tailored to support a wide spectrum of vehicles, from high-octane sports cars to robust utility trucks, the 4L80 is crafted to elevate your vehicle’s operational capability and driving satisfaction.

Distinguished Features of the 4L80 Transmission

  • Superior Four-Speed Design: The 4L80 transmission boasts an advanced four-speed layout, providing optimal gear ratios for varied driving conditions. This sophisticated design ensures effective power delivery and fuel efficiency, alongside seamless shifting.

  • Adaptive Shift Control: Featuring avant-garde control technology, the 4L80 intelligently adjusts its shift strategy based on the current driving environment, offering a bespoke and exceptionally smooth driving experience.

  • Designed for Endurance: Engineered to resist the daily grind, intense towing demands, and significant cargo loads, the 4L80 transmission is synonymous with sustained performance and steadfast reliability under diverse operational pressures.

Our Dedication to Quality at Fraser Engines & Transmissions

At Fraser Engines & Transmissions, we set the benchmark for quality. Each 4L80 transmission undergoes a thorough remanufacturing process, aimed at achieving and outdoing original factory standards. Our unwavering commitment to superior craftsmanship ensures every transmission provides continuous, unmatched performance and reliability.

Why Opt for the 4L80 from Fraser Engines & Transmissions?

  • Meticulous Remanufacturing: Our remanufactured 4L80 transmissions, reconditioned with an eye for detail and premium materials, epitomize the utmost in durability and operational enhancement.

  • Robust Warranty Support: Bolstered by extensive warranty protection, our faith in the 4L80 transmissions underscores our dedication to excellence and your total satisfaction.

  • Personalized Expert Guidance: Our expert team is at your service, offering tailored advice to ensure you find the ideal transmission for your vehicle, promising perfect integration and superior performance.

Transform Your Driving Experience with the 4L80 Transmission

Choosing the 4L80 transmission from Fraser Engines & Transmissions signifies a decision for unparalleled efficiency, formidable power, and unmatched reliability. Explore our offerings today and take the first step towards a revolutionary driving experience.


  • 0AJP
  • 0AKP
  • 0HPP
  • 0MCP
  • 0MJP
  • 0TZP
  • 1HPP
  • 1MJP
  • 1TZP
  • 2CAP
  • 2HPP
  • 2MCP
  • 2MJP
  • 2TZP
  • 3CAP
  • 3MCP
  • 3MJP
  • 4CAP
  • 4MCP
  • 4MJP
  • 5CAP
  • 5MCP
  • 5MJP
  • 6CAP
  • 6MCP
  • 6MJP
  • 6MLP
  • 7MCP
  • 7MJP
  • 7MLP
  • 9AJP
  • 9HPP
  • 9MCP
  • 9MJP
  • 9TZP


  • Transmission Speeds: 4-Speed
  • Shift Type: 1-3/4 Inch Manual Shift Shaft Size
  • Radiator Replacement Required: No
  • Fluid Type: PZL-LVMULTI
  • Pan Bolts: 17
  • Transmission Fluid: 13
  • Bell Housing: With Bolt Hole at 12 O’clock Position
  • Cooler Included: No
  • Radiator Included: No
  • Torque Converter Included: Yes
  • Lockup: Yes
  • Neutral Safety Switch: With Bosses on Driver Side
  • Cooler Replacement Required: No
  • Cooler Lines: 9 Inch Apart – Central Lube System
  • Bell Housing Included: Yes
  • Output Type: Slip on Yoke
  • Transmission Family: 4L80E
  • Tail Housing: With
  • Average R&R: 5.5



The General Motors (GM) OEM 4L80E transmission has been used in various GM vehicles over the years. Here’s a rough timeline of car models that have used the 4L80E transmission:

  • 1991-2009: Chevrolet/GMC full-size trucks and SUVs, including the Chevrolet Silverado, Chevrolet Suburban, GMC Sierra, and GMC Yukon.
  • 1991-2000: Chevrolet/GMC full-size vans, including the Chevrolet Express and GMC Savana.
  • 1991-2018: Chevrolet/GMC commercial vehicles, such as the Chevrolet Kodiak and GMC Topkick.
  • 1991-1996: Chevrolet Caprice sedan and station wagon.
  • 1991-1996: Buick Roadmaster sedan and station wagon.
  • 1991-1996: Cadillac Fleetwood sedan.
  • 1994-1996: Chevrolet Impala SS sedan.

It’s important to note that vehicle models and transmissions can vary by region and trim level, so it’s always best to consult the specific year, make, and model of a vehicle to confirm the transmission used. Additionally, GM may have used the 4L80E transmission in other models not listed above, and transmission options can change over time as new models are introduced and older models are phased out.


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