Chevy Malibu Used Transmissions

Malibu transmissions track the engine, and because GM sold several engines in the same model year the RPO code is the reliable identifier. The broad shape is simple: four-speed transaxles through about 2008, the 6T40 family through the 2010s, and a nine-speed on the later 2.0 turbo cars. The eAssist and hybrid cars are separate parts and will not substitute either way.

Chevy Malibu Used Transmissions — transmission options by generation

How to pick the right one

Model year, engine and the RPO code. The four-speed to six-speed change around 2009 is the main line, and within the six-speeds the 6T40 behind a four-cylinder and the 6T70 behind the 3.6 V6 are different units. If the car is an eAssist or a Hybrid, that transmission is a dedicated part built around the electric motor and cannot be swapped for a conventional one. Final drive ratio appears in some listings as an RPO code and is worth matching where you have it.

What usually fails on these transmissions

On the 4T45E it is the 3-4 clutch pack and the pressure control solenoid, which shows as a slipping or flaring upshift. The 6T40 family has the same wave plate weakness as the rest of GM's six-speed transaxles: the plate in the 3-5 reverse clutch assembly fractures and takes third, fifth and reverse together, with a flare or shudder as the warning. The 9T50 came in for shift quality rather than failure, and GM issued recalibrations, so a software check is worth doing before condemning one. Every unit here is pressure tested.

What ships with every unit

• Pressure tested with the solenoid readings recorded, and the fluid condition inspected and reported.
• Fitment matched — send us the model year, engine, drivetrain and the RPO option code or ID tag and we confirm the part before the order ships.
• Written warranty on every transmission, with labour coverage available.
• Free freight anywhere in the lower 48, crated on a pallet to a commercial address or a terminal.

Replacing the engine too? See our Malibu used engines. Full terms are in the transmission warranty policy, and the complete catalogue is at used transmissions.

Chevy Malibu used transmissions - frequently asked questions

Which transmissions did the Chevy Malibu use?

Across 1997 to 2023 the Chevy Malibu was built with 4T40E / 4T45E, 4T45E, 4T65E, 6T40 / 6T45, 6T70, 6T40 eAssist, 6T40, 9T50 and eCVT. The table above lists which one belongs to each generation, with the transmission designation and option code that identifies it.

How do I identify the right transmission for my Chevy Malibu?

Four things decide it: model year, engine, drivetrain, and the option or RPO code. That code is the one most people do not have to hand and the one that settles it - on a GM vehicle it is on the glovebox or door-jamb sticker, on a Chrysler it is on the build sheet, and on a Ford it is on a tag on the case. Send us the VIN and the code and we confirm the unit before anything ships.

Will a transmission from a different year fit my Chevy Malibu?

Model year, engine and the RPO code. The four-speed to six-speed change around 2009 is the main line, and within the six-speeds the 6T40 behind a four-cylinder and the 6T70 behind the 3.6 V6 are different units.

What usually fails on these transmissions?

On the 4T45E it is the 3-4 clutch pack and the pressure control solenoid, which shows as a slipping or flaring upshift. The 6T40 family has the same wave plate weakness as the rest of GM's six-speed transaxles: the plate in the 3-5 reverse clutch assembly fractures and takes third, fifth and reverse together, with a flare or shudder as the warning.

What comes with a used Chevy Malibu transmission?

Every transmission is pressure tested with the solenoid readings recorded and the test sheet ships in the box. The unit is matched to your VIN and option code before the order goes out, carries a written warranty with labour coverage available, and freight is free anywhere in the lower 48.