Aftermarket overdrive servo bonded piston designed for use with 5R55W, 5R55S, and 5R55N 5-speed automatic transmissions. Listed with manufacturer part number 56529J and OE reference XW4Z-7D021-LA. Features a 2.915" outer diameter, single-lip sealing surface, and blue dot identification. Superseded/interchange numbers provided by the seller are included for reference.
Superseded Part Number5R55W 5R55S 5R55N Transmission, Automatic Transmission, Transmission Service Repair Rebuild Kit Set Pack, Overdrive Servo Apply Bonded Piston
OE/OEM Part NumberXW4Z-7D021-LA
Interchange Part NumberXW4Z-7D021-LA 4W4Z-7D021-A 4W4P-7E221-LD, 56529J 46902A B82551 16902A 58826NA
Vehicles BrandFord, Lincoln, Mazda, Mercury
TypeTransmission Piston
Transmission Type5 SPEED Automatic Transmission ONLY
Other Part Number4W4Z-7D021-A
Drive Type4WD, 4X4, AWD, RWD, 2WD, 4X2
Surface Finish(2.915" OD), SINGLE LIP, BLUE DOT
Manufacturer Part Number56529J
BrandAftermarket Products
Items IncludedOverdrive Servo Piston
UPCDoes not apply
Country of OriginUnited States
Items IncludedOverdrive Servo Piston
Surface Finish2.915" OD, Single Lip, Blue Dot
Country of OriginUnited States
Drive Type4WD, 4X4, AWD, RWD, 2WD, 4X2
OE/OEM Part NumberXW4Z-7D021-LA
Other Part Number4W4Z-7D021-A
TypeTransmission Piston