Used Chevrolet Impala Transmissions
Used, remanufactured and rebuilt transmissions for the 1980–2020 Chevrolet Impala — tested before they ship and covered by warranty. Tell us your Impala and we’ll match the right unit.
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Transmission Options
Which transmission does your Impala have?
The two earliest Impalas in these years are rear-wheel drive. The 1980–1985 car was sold with three-speed Turbo Hydra-Matic automatics and the 200-4R four-speed overdrive automatic, and the 1994–1996 Impala SS has the electronically controlled 4L60-E behind its LT1 V8. No Impala was sold for 1986–1993 or 1997–1999.
Every Impala since 2000 is a front-wheel-drive automatic. The 2000–2011 cars use GM’s 4T65-E four-speed, in standard or heavy-duty form depending on the engine, and the six-speed 6T70 arrived with the 3.6L for 2012. The 2014–2020 car keeps the 6T70 behind the 3.6L, with a 6T45 behind the 2.5L and a 6T40 behind the 2014 eAssist.
The table below shows what was fitted when. Because the engine decides the transmission, and the fleet-only Impala Limited overlaps the new car for 2014–2016, we confirm from your VIN.
| Transmission | Code | Notes |
|---|---|---|
| Three-speed automatic | Code: Turbo Hydra-Matic | Offered in every year, 1980–1985. |
| Four-speed overdrive automatic | Code: 200-4R | Lockup torque converter and a 0.67:1 overdrive fourth gear. |
| Transmission | Code | Notes |
|---|---|---|
| Four-speed automatic | Code: 4L60-E (M30) | Behind the 5.7L LT1 in every car. |
| Transmission | Code | Notes |
|---|---|---|
| Four-speed automatic | Code: 4T65-E | 3.4L and 3.8L V6, all years. |
| Heavy-duty four-speed automatic | Code: 4T65-E HD (MN7) | Supercharged 3.8L in the SS, 2004–2005. |
| Transmission | Code | Notes |
|---|---|---|
| Four-speed automatic | Code: 4T65-E | 3.5L and 3.9L V6, 2006–2011. |
| Heavy-duty four-speed automatic | Code: 4T65-E HD (MN7) | 5.3L V8 in the SS, 2006–2009. |
| Six-speed automatic | Code: 6T70 | 3.6L V6, 2012–2013. |
| Transmission | Code | Notes |
|---|---|---|
| Six-speed automatic | Code: 6T70 | 3.6L V6 in the tenth-generation car, 2014–2020, and in the Impala Limited, 2014–2016. |
| Six-speed automatic | Code: 6T45 | 2.5L four-cylinder, 2014–2019. |
| Six-speed automatic | Code: 6T40 | 2.4L eAssist mild hybrid, 2014. |
Not sure which one is yours? Request a quote and we’ll work it out from your VIN.
Before You Order
What to check before you order
Three-speed or overdrive, 1980–1985
The 1980–1985 Impala was built with three-speed Turbo Hydra-Matics and the four-speed 200-4R, and which one a car has depends on its engine and year. A 200-4R also needs its throttle-valve (TV) cable adjusted to the engine when it goes in.
Standard or heavy-duty 4T65-E
The 4T65-E HD (MN7) behind the supercharged 3.8L and the 5.3L V8 has a larger torque converter and a heavier-duty gearbox than the standard unit. Impala 4T65-Es were also built with different final-drive ratios. Match the version and the ratio, not just the name.
Match the engine
In 2014 the Impala had three transmissions at once: the 6T70 behind the 3.6L, the 6T45 behind the 2.5L and the 6T40 behind the eAssist. A unit from behind a 3.6L is not right for a 2.5L, and the 2.5L’s unit is not the eAssist’s.
Two Impalas in 2014–2016
The 2006 design was sold to fleets as the Impala Limited alongside the new car. Both pair a 6T70 with the 3.6L, but they are different cars, so we match by VIN rather than assume the units are the same.
Programming after fitting
The six-speeds have a transmission control module that usually has to be programmed to the car after fitting before it will shift correctly.
Have your VIN ready
With the VIN we can confirm the transmission, engine and model year before we quote, which avoids ordering the wrong version.
Common Problems
Common Impala transmission problems
Burned clutches from a misadjusted TV cable — 200-4R
The 200-4R sets its line pressure and shift points from the throttle-valve cable. A cable that is out of adjustment or broken drops the pressure, and the clutches slip and burn.
3-4 clutch and sun shell failures — 4L60-E, 1994–1996
A burned 3-4 clutch pack and a cracked reaction sun shell are well-known 4L60-E failures. Slipping into fourth, or losing second and fourth gears, are the usual signs.
Pressure control solenoid — 4T65-E, 2000–2011
Harsh, late or erratic shifts in a 4T65-E Impala are often a worn pressure control solenoid, and code P0748 commonly comes with it. Left alone, the wrong line pressure wears the clutches and the unit fails.
How It Works
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FAQ
Impala transmission questions, answered
Which transmission does my Impala have?
A three-speed Turbo Hydra-Matic or the 200-4R four-speed overdrive on a 1980–1985 car; the 4L60-E in the 1994–1996 Impala SS; a 4T65-E four-speed on every 2000–2011 car, in heavy-duty form behind the supercharged 3.8L and the 5.3L V8; the six-speed 6T70 behind the 3.6L from 2012; and a 6T45 behind the 2.5L or a 6T40 behind the 2014 eAssist. Send us your VIN and we will confirm.
Can I fit a standard 4T65-E in place of the HD?
We recommend against it. The HD (MN7) was fitted behind the supercharged 3.8L and the 5.3L V8, and it has a larger torque converter and a heavier-duty gearbox than the standard unit. Replace like with like.
Is a 2014–2016 Impala Limited the same as a 2014 Impala?
No. The Limited is the 2006–2013 design kept in production for fleet sales. Both have a 6T70 behind the 3.6L, but the cars are different and we match the unit by VIN.
Is the transmission covered by a warranty?
Yes. Every transmission we sell is covered by warranty, and extended cover is available at extra cost. The full terms are in our Warranty Policy.
Ready to replace your Impala transmission?
Tell us the year and have your VIN to hand — a specialist will confirm the right unit and send you a quote.
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