|6-way Adjustable Power Seat Transmissions|
Rolls-Royce and Bentley
Model years 1981 - 1987 1/2....Proper Parts RR-T8187R 6-way Adjustable Power Seat Gearbox (remanufactured) interchanges Rolls-Royce / Bentley part number UB-39167.
Model years 1979 - 1981....Proper Parts GM-T7981R 6-way Adjustable Power Seat Transmission (remanufactured) interchanges GM part number 20113446
Model years 1981 - 1988....Proper Parts GM-T8188R 6-way Adjustable Power Seat Transmission (remanufactured) interchanges GM part number 20225150
To purchase Proper Parts products, we encourage you to contact one of our Dealers. If you prefer to purchase directly from us, please follow this convenient procedure. Florida residents please view.
6-Way Power Seat Transmission / Gearbox
The core charge per piece ordered is refundable.
You may need to replace the coupler. Proper Parts offers the coupler to customers who also purchase the transmission / gearbox. The (new) coupler OEM# 20614175 for GM-T8188R is $25.00 each from Proper Parts or contact GBodyParts. The (used, black rubber) coupler for GM-T7981R or RR-T8187R is $25.00 each.
You may need to replace the transmission / gearbox on both driver's side and passenger's side. Proper Parts offers 10% discount for purchase of (2) units as described above.