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Power Seat Motor to Transmission Coupling Coupler for 1979-1988 GM Vehicles, Replaces Part Numbers 20614175 & 20113451

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  • Comprehensive Compatibility: Specifically designed for GM vehicles from 1979-1988, this Power Seat Motor Coupler is your go-to solution for restoring 6-way power adjustable seats, including features like adjustable headrests, seats, motorized seating, and reclining functions. Perfect for models like Buick, Chevrolet, Oldsmobile, and Pontiac
  • Superior Durability and Safety: Crafted with high-resin base plastic, our coupler offers enhanced durability without compromising safety. Designed to function as a safety shear pin, it will snap under excess stress to protect your seat's transmission, ensuring long-lasting performance
  • Easy Installation Process: With a simple R&R procedure, this seat adjustment coupler can be installed with basic tools, restoring the seamless operation of your vehicle’s power seat adjustments.For 6 Way Power Adjustable Seat, Adjustable Headrest, Adjustable Seat, Motorized Seat, Reclining Seat
  • Beyond OEM: Replace with confidence using our electric seat motor connector that beyond OEM standards. The coupler matches GM part numbers 20614175 & 20113451 and offers a reliable solution to common motor-to-transmission coupling failures
  • Committed to Customer Satisfaction: Our professional seller status is backed by a commitment to quality and customer satisfaction. Receive personalized customer service and a durable, correctly functioning power seat repair kit when you choose our Automotive Seat Motor Coupling


Product Description

20614175 part number 20113451 Power Seat Motor Coupler 1978 1979 1980 1981 1982 1983 1984 1985 1986
20614175 part number 20113451 Power Seat Motor Coupler 1978 1979 1980 1981 1982 1983 1984 1985 1986

Revitalize the functionality of your vehicle's power seat with our Power Seat Motor to Transmission Coupling.

This direct replacement for GM part numbers 20614175 and 20113451 is designed for an array of vehicles.

Primarily Fits the Following A & G Body Models (with Factory Power Seat):

  • 1980 - 1986 Buick: Regal / T-Type / Grand National
  • 1980 - 1986 Oldsmobile: Cutlass / 442 / Supreme
  • 1980 - 1985 Pontiac: Grand Prix / SJ
  • 1980 - 1986 Chevrolet: Monte Carlo / SS / El Camino
  • 1978 - 1986 Rolls-Royce and Bentley

Please Note: A design change took place in most 1987 & newer models which utilized 3 separate electric motors instead of one which replaced the transmission & coupling set up. This coupling is intended for models with one electric motor set up.

How to Remove & Replace the Power Seat Coupling：

  1. This is basically and R and R situation.
  2. There are 3 (7 MM head) screws holding the motor on to the metal frame.
  3. You want to remove the 1 in back first as it is hard to reach, Then the front bottom, Then the top screw.
  4. At this point the motor is loose.
  5. Remove any broken debris from the motor. (Cleaning is suggested).
  6. Then remove any broken debris from the transmission. (again Cleaning is suggested).
  7. Install the coupling on the motor shaft. The coupling is designed to fit tight. If it was loose it would eventually egg out with use.
  8. Slide motor back in to alignment. The power seat coupling shear pin will have to be rotated to align with the power seat transmission shaft.
  9. Now that you have Both joined together the screw installation can begin.
  10. Install the lower front screw hand tight. Then do the same to the top screw, again just snug so the rear screw will be able to be aligned.
  11. Tighten the rear screw.
  12. Tighten the top front screw. Tighten the Bottom screw.

You have now successfully installed the new power seat coupling shear pin.

Superior Durability and Safety

  • Made of high resin-based plastic for increased durability without compromising safety.
  • Provides a reliable solution to common motor to gearbox connector failures.
  • It is designed as a safety shear pin that will break under excessive pressure to protect the seat's transmission and ensure long-lasting performance.
  • For 6-way power adjustable seats, adjustable headrests, adjustable seats, power seats, recliners.
20614175 part number 20113451 Power Seat Motor Coupler 1978 1979 1980 1981 1982 1983 1984 1985 1986

Ron Gerkey
2025-01-15 10:40:11
Totally Care free Transaction