TH400 Valve Body Accumulator Piston 3 Leg Type Aluminum Turbo 400 Transmission
TH400 Valve Body 2-3 Accumulator Piston. Fits GM 400, TH400, 3L80, TH425, 425. This is the piston that goes in the valve body and is held in with an e-clip. VIN; Any codes set or recently cleared; Valve body casting numbers.