Description
6L90E Transmission for Sale USA – GM 6-Speed Automatic Transmission
Looking for a 6L90E transmission for sale in the USA? The GM 6L90E is a heavy-duty six-speed automatic transmission designed for high-torque applications, including Chevrolet and GMC trucks, vans, SUVs, and performance builds.
At Forged & Stocked Engines, we offer sourcing assistance for used, rebuilt, remanufactured, and performance 6L90E transmissions for customers across the United States. Whether you need an OEM replacement transmission or a stronger unit for a performance project, the 6L90E is a popular choice for demanding applications.
6L90E Transmission Overview
The GM 6L90E is part of General Motors’ family of electronically controlled six-speed longitudinal automatic transmissions. It is closely related to the 6L80E but was developed as a heavier-duty version with increased internal capacity.
The 6L90E uses six forward gears and one reverse gear, providing a wide ratio spread for strong acceleration while maintaining lower engine RPM during highway cruising. Its commonly listed gear ratios are:
| Gear | Ratio |
|---|---|
| 1st | 4.027 |
| 2nd | 2.364 |
| 3rd | 1.532 |
| 4th | 1.152 |
| 5th | 0.852 |
| 6th | 0.667 |
| Reverse | 3.064 |
The 6L90E is also electronically controlled and uses Dexron-VI automatic transmission fluid.
6L90E Transmission Specifications
Typical specifications for the GM 6L90E include:
- Manufacturer: General Motors
- Transmission: GM Hydra-Matic 6L90E
- RPO Code: MYD
- Type: 6-speed automatic
- Drive Type: Rear-wheel drive applications; 4WD versions also exist
- Number of Gears: 6 forward speeds
- Maximum Input Torque: Approximately 531 lb-ft in commonly published OEM specifications
- Output Shaft: 29-spline
- Transmission Case: Die-cast aluminum
- Torque Converter: Approximately 300 mm
- Fluid: Dexron-VI ATF
- Approximate Fluid Capacity: 13 quarts
- Weight: Approximately 245 lb with torque converter and ATF
Specifications can vary according to model year, drivetrain configuration, calibration, and application, so the vehicle VIN and transmission identification should be verified before ordering.
6L90E Transmission Applications
The 6L90E was used in a range of GM vehicles, particularly applications requiring greater transmission capacity.
Common applications include:
- Chevrolet Silverado 2500HD
- Chevrolet Silverado 3500HD
- GMC Sierra 2500HD
- GMC Sierra 3500HD
- Chevrolet Express 2500
- Chevrolet Express 3500
- GMC Savana 2500
- GMC Savana 3500
The transmission has also become popular among performance enthusiasts and builders who use GM powertrains in custom applications.
Because GM produced different versions of the 6L90E for different vehicles and model years, buyers should confirm the exact transmission configuration before purchasing.
Buy a 6L90E Transmission for Sale USA
If you are searching for a 6L90E transmission for sale in the USA, availability and pricing can vary significantly depending on condition and specification.
Common options include:
Used 6L90E Transmission
A used 6L90E can be an economical replacement option when the donor transmission has verified mileage and operating history.
Used units are typically inspected and matched according to the donor vehicle, transmission identification, drivetrain configuration, and model year.
Rebuilt 6L90E Transmission
A rebuilt 6L90E is disassembled and inspected, with worn components replaced or refurbished before being reassembled.
This can be a good option for customers looking for a replacement transmission without paying the price of a high-end performance build.
Remanufactured 6L90E Transmission
A remanufactured transmission is rebuilt to a more comprehensive specification, often incorporating updated components and testing procedures.
Current U.S. market listings show substantial price variation. For example, one current remanufactured 6L90E listing is approximately $2,300, while other remanufactured units are listed around $3,023 before core charges.
Performance 6L90E Transmission
For high-horsepower applications, a performance-built 6L90E can include upgraded clutches, steels, valve-body modifications, improved cooling, strengthened internal components, and performance calibration.
Performance pricing can be considerably higher than an OEM replacement. Current U.S. performance listings range from several thousand dollars to more than $9,000 depending on build level and configuration.
Why Choose the 6L90E?
The 6L90E remains popular because it combines automatic shifting, six forward gears, a relatively wide gear ratio spread, and a design intended for demanding GM applications.
Heavy-Duty Design
Compared with the 6L80, the 6L90 was developed as the heavier-duty member of the family, with additional clutch capacity and stronger gearsets.
Six-Speed Performance
The 4.027 first gear provides strong initial acceleration, while the 0.667 sixth gear provides a substantial overdrive ratio for highway operation.
Excellent GM Compatibility
The 6L90E is particularly attractive for Chevrolet and GMC truck projects and GM engine swaps where electronic automatic transmission control is desired.
Performance Upgrade Potential
The transmission is also available from specialist builders in upgraded configurations designed for higher-output applications. Some performance builders advertise 6L90E packages rated for four-digit horsepower levels, depending on the specific build.
6L90E vs 6L80E
The 6L90E and 6L80E share the same basic six-speed family architecture and similar gear ratios, but the 6L90E is generally considered the heavier-duty option.
| Feature | 6L80E | 6L90E |
|---|---|---|
| Speeds | 6 | 6 |
| 1st Gear | 4.027 | 4.027 |
| 2nd Gear | 2.364 | 2.364 |
| 3rd Gear | 1.532 | 1.532 |
| 4th Gear | 1.152 | 1.152 |
| 5th Gear | 0.852 | 0.852 |
| 6th Gear | 0.667 | 0.667 |
| Intended Position | Light/heavy-duty applications | Heavier-duty applications |
| Electronics | Yes | Yes |
| Common Use | Cars, SUVs, trucks | HD trucks, vans, performance applications |
The 6L90E is therefore often selected when the application demands greater transmission capacity than a standard 6L80E setup.
6L90E Transmission Price USA
The price of a 6L90E transmission in the USA depends on:
- Used, rebuilt, remanufactured, or new condition
- Model year
- 2WD or 4WD configuration
- Torque converter included or excluded
- Mileage
- OEM part number
- Transmission calibration
- Warranty
- Core charge
- Shipping location
- Performance upgrades
As a general market reference, current U.S. listings show used units around the lower end of the market and professionally rebuilt or performance transmissions at significantly higher prices.
For an exact quote, buyers should provide their vehicle year, make, model, engine, drivetrain, VIN, and existing transmission part number.
6L90E Transmission Shipping in the USA
A 6L90E is a heavy automotive component, so professional freight shipping is normally recommended.
Depending on the seller and location, shipping may be available to:
- Commercial addresses
- Residential addresses
- Automotive repair shops
- Dealerships
- Freight terminals
- Engine and transmission shops
Proper packaging is important to protect the transmission, torque converter, connectors, sensors, and external components during transportation.
What to Check Before Buying a 6L90E
Before purchasing a 6L90E transmission for sale, verify:
- Vehicle year
- Vehicle make and model
- Engine size
- 2WD or 4WD
- Transmission RPO code
- OEM transmission part number
- VIN compatibility
- Torque converter requirements
- Transfer-case compatibility, if applicable
- TCM and programming requirements
- Warranty
- Core-return requirements
This information helps prevent ordering an incompatible transmission.
Frequently Asked Questions
Is the 6L90E a six-speed transmission?
What vehicles use the 6L90E?
Common applications include Chevrolet Silverado HD, GMC Sierra HD, Chevrolet Express, and GMC Savana models, although exact applications vary by model year and configuration.
How much does a 6L90E transmission weigh?
A commonly published specification is approximately 245 lb including the torque converter and ATF. Actual shipping weight can be higher because of packaging and pallet/crate materials.
What fluid does a 6L90E use?
The commonly specified fluid is DEXRON-VI automatic transmission fluid. Always verify the correct fluid specification for the particular application.
Can I buy a 6L90E transmission online in the USA?
Yes. Used, rebuilt, remanufactured, and performance-built 6L90E transmissions are available through U.S. suppliers and specialty transmission companies. Current listings demonstrate a wide range of configurations and prices.
Buy 6L90E Transmission USA
If you need a GM 6L90E transmission for sale in the USA, Forged & Stocked Engines can help you identify the correct unit for your application.
We can help source used, rebuilt, remanufactured, and performance 6L90E transmissions according to your vehicle and project requirements.
For the best match, provide your VIN, vehicle year, engine, drivetrain, and transmission identification number when requesting a quote.
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