1993 to 2015 General Motors vehicles equipped with the 4L60E, 4L65E and 4L70E automatic transmission often have a worn-out accumulator piston pin bore or a broken plastic accumulator piston.
Availability:
| 4L6-FWD | Aluminum forward accumulator piston |
| 4L6-2ACM | 1995-03 Type two 1-2 accumulator piston (with three legs) |
| 4L65-2ACM | 2003-15 Type three 1-2 accumulator piston (without legs) |
Features and benefits:
TransGo replacement forward accumulator piston replace both the plastic and the aluminum piston and is thicker than the OE that prematurely break and wear out. The 1-2 accumulator pistons are available in both type two and type three pistons with a .236” diameter pin bore.
Corrects/Prevents/Reduces:
- Direct replacement for broken plastic accumulator pistons
- Pressure loss from worn out piston pin bore
- Partial bind-up in manual low with worn 1-2 piston pin bore