Extended Warranty: +$201.00
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 4L60E transmission is remanufactured with the HIGHEST QUALITY PARTS AVAILABLE.

The GM OEM 4L60E transmission is a four-speed automatic transmission that has been in use in various General Motors vehicles from 1993 to 2021. It is designed with an all-aluminum case and extension housing, and features hydraulically-controlled planetary gear sets and electronic shift control. The transmission also includes overdrive and lock-up torque converter functions for improved efficiency and performance.

The GM 4L60E transmission has specific specifications, including gear ratios of 2.45:1 (1st), 1.45:1 (2nd), 1.00:1 (3rd), and 0.69:1 (4th), a 6-bolt hexagon bolt pattern, a transmission length of approximately 23.3 inches (593 mm), and a weight ranging from 200 to 300 pounds (91 to 136 kg). It is rated to handle up to 700 lb-ft (949 Nm) of torque, making it suitable for a wide range of applications.

Introduced in 1993, the 4L60E transmission has been utilized in various GM vehicles, including Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, GMC Yukon, Chevrolet Camaro, Chevrolet Corvette, Chevrolet Impala, Chevrolet Caprice, Chevrolet Astro, GMC Safari, Pontiac Firebird, Cadillac Escalade, and others. It has undergone several updates and improvements over the years to enhance its durability, performance, and shift quality.

The GM 4L60E transmission has been a popular choice for its reliability, smooth shifting, and ability to handle high torque loads. It has been widely used in both rear-wheel drive and four-wheel drive vehicles, and has been a staple in many GM trucks, SUVs, and performance cars for nearly three decades. While newer GM transmissions have been introduced in recent years, the 4L60E remains a trusted option for many GM vehicle owners and enthusiasts, especially for older models.


A comprehensive system correction and recalibration kit has been implemented to rectify various original equipment (OE) shortcomings, incorporating enhancements to the servos, pressure regulation system, and valve body accumulators.
– To regain hydraulic integrity, oversized pressure regulator (PR) valves are employed.
– Updates to the torque converter clutch (TCC) control valve, TCC regulator valve, and Actuator Feed Valve have been made to resolve frequent wear issues.
– The original equipment plastic 1-2 Accumulator Pistons have been replaced with upgraded aluminum versions to avert premature clutch degradation.
– A Tru-Flat stator qualification and machining process ensure optimal performance.
– Sun Shells have been upgraded to a newer, more robust design to prevent typical OE breakdowns.
– A High Energy 2-4 band is utilized for enhanced durability compared to the OE model.
– The High Energy 3-4 clutch pack has been improved, increasing from 6 to 7 clutches, to boost durability and torque handling capacity.
– The pump is thoroughly remanufactured, featuring new line bore bushings to stop leaks and ensure outstanding flow and durability.
– The torque converter has been fully remanufactured and enhanced, undergoing testing for leaks, lockup, concentricity, and balance. These improvements surpass OE specifications and address issues like front seal leaks, premature bushing wear, and vibration.
– Brand new, custom-spec bushings have been introduced to better regulate internal fluid flow and pressure.
– Each transmission undergoes rigorous testing under both cold and hot conditions using a specialized dynamometer testing program, which includes the use of fully synthetic automatic transmission fluid and an advanced filtration system.

Explore the 4L60 Transmission: Superior Performance and Reliability | BUAP Engines & Transmissions

BUAP Engines & Transmissions is thrilled to present the 4L60 transmission, a masterpiece of automotive engineering. Developed for optimal performance and durability, this four-speed automatic transmission is celebrated for its precision, efficiency, and control. Designed to meet the demands of a broad range of vehicles, from high-powered sports cars to dependable utility trucks, the 4L60 is engineered to enhance your vehicle’s functionality and driving pleasure.

Key Features of the 4L60 Transmission

  • Advanced Four-Speed Operation: The 4L60 transmission features a sophisticated four-speed design, offering ideal gear ratios for diverse driving scenarios. This advanced system ensures efficient power distribution and fuel economy, along with smooth gear shifting.

  • Dynamic Shift Control: Equipped with leading-edge control mechanisms, the 4L60 dynamically adjusts its shifting patterns to suit current driving conditions, promising a custom and exceptionally fluid driving experience.

  • Built to Last: With its robust construction, the 4L60 transmission is designed to withstand the rigors of daily driving, heavy towing, and extensive cargo hauling, ensuring enduring performance and consistent reliability across a variety of applications.

Our Commitment to Quality at BUAP Engines & Transmissions

Quality is not just a goal at BUAP Engines & Transmissions; it’s our standard. Every 4L60 transmission is meticulously remanufactured to meet and exceed the highest factory specifications. Our dedication to exceptional craftsmanship guarantees that each transmission delivers ongoing superior performance and reliability.

Why Choose the 4L60 from BUAP Engines & Transmissions?

  • Precision Remanufacturing: Our remanufactured 4L60 transmissions, crafted with meticulous attention to detail and the finest materials, represent the pinnacle of durability and enhanced functionality.

  • Guaranteed Warranty Support: Our confidence in the 4L60 transmissions is backed by comprehensive warranty coverage, affirming our commitment to quality and ensuring your complete peace of mind.

  • Expert Consultation: Our team of specialists is dedicated to providing personalized guidance, helping you select the perfect transmission for your vehicle for seamless compatibility and elevated performance.

Elevate Your Driving Experience with the 4L60 Transmission

Opting for the 4L60 transmission from BUAP Engines & Transmissions means making a choice for unmatched efficiency, power, and dependability. Discover our selection today and embark on a journey to transform your driving experience.



  • 24229175
  • 3KCD


  • Covers: Full Bottom Bell with 2 Inch Round Hole
  • Bell Housing: 1 Bolt Hole at 12 O’clock Position on Bell
  • Fluid Type: PZL-LVMULTI
  • Lockup: Yes
  • Radiator Included: No
  • Torque Converter Included: Yes
  • Bell Housing Included: Yes
  • Case Type: 2 Piece
  • Output Type: 4WD
  • Cooler Included: No
  • Transmission Family: 4L60E
  • Connector Type: Gray with 13 Pins
  • Average R&R: 7.8
  • Radiator Replacement Required: No
  • Pan Bolts: 16
  • Tail Housing: Without
  • Transmission Speeds: 4-Speed
  • Cooler Replacement Required: No
  • Transmission Fluid: 11
  • Cooler Lines: Steel
  • Shift Type: 1-3/4 Inch Manual Shift Shaft Size
  • Converter Mount/Diameter: 300 MM



The GM OEM 4L60E transmission has been used in various car models and years between 1993 and 2021. Here is a list of some of the commonly known models that have used the 4L60E transmission during this time period:

  • Chevrolet Silverado and GMC Sierra (1500, 2500, and 3500 series)
  • Chevrolet Tahoe, Suburban, and Avalanche
  • GMC Yukon and Yukon XL
  • Chevrolet S-10 and GMC Sonoma
  • Chevrolet Express and GMC Savana (1500, 2500, and 3500 series)
  • Chevrolet Camaro and Pontiac Firebird (1993-2002)
  • Chevrolet Corvette (1993-2019)
  • Chevrolet Impala SS (1994-1996)
  • Chevrolet Caprice (1994-1996)
  • Buick Roadmaster (1994-1996)
  • Cadillac Fleetwood (1994-1996)
  • Pontiac GTO (2004-2006)
  • Pontiac G8 (2008-2009)

Please note that this is not an exhaustive list, as the 4L60E transmission has been used in various other GM models over the years. It’s always recommended to consult the vehicle’s owner’s manual or contact a GM dealership or mechanic for accurate and up-to-date information on transmission compatibility for specific vehicle models and years.