The piston is what converts line pressure into clamping force, so a leaking one makes every other repair pointless.

CD4E overdrive servo (bonded) cover Piston. This set returns the apply circuit to full clamping force.

Return spring condition is part of the same circuit as the piston. The pistons are bonded rather than lip sealed. Shipping weight is 0.2 lb.

The parts list below is exactly what ships. Compare it against your teardown before ordering.

REMCO has supplied automatic transmission parts since 1991, and every order ships with its part listing so the receiving technician can check what arrived against what was ordered.

What's in the box

Compatible vehicles