Pistons

4T40E 4T45E Piston Kit (1995-2011) 7 Pistons

This is a seven piece piston kit for GM 4T40E and 4T45E automatic transmissions manufactured from 1995 to 2011.

GM 4T40E Transmission Accumulator Piston by Superior

GM 4T40E Upgraded Accumulator Piston This is a Superior Transmission Parts problem solver for GM's 4T40E transmission that replaces the commonly broken plastic piston. Superior Transmission Parts Number: K069