Customer Support: Customer Service - Live Chat Live Chat or Customer Service - Phone 1-888-737-9766
My Vehicles (0)
Cart: 0 item

Subtotal: $0.00

Your Shopping Cart is empty.

View Cart (0 item)
Filter by Vehicle
You have selectedAdd New
1989 Buick Regal
4-Speed Automatic Transmission, THM440-T4/4T60
-- Select Engine --
Engine Description RPO Code
The drop down menu includes engine codes with descriptions and engine sizes. Please use the following tutorial to locate the actual engine size of your vehicle; it could help you make the correct selection.
  • 6 Cyl 2.8L EFI LB6
  • 6 Cyl 3.1L MFI LH0
-- Select Transmission --
Transmission Description RPO Code
  • 4-Speed Automatic Transmission, THM440-T4/4T60 ME9
-- Select Model Code --
Model Code Description RPO Code
A GM Model Code can be found on both the Service Tag and Service Parts Identification Tag.
  • Regal 4WM57
  • Regal Custom 2 Door 4WB57
  • Regal Limited 4WD57
Parts Question Guide

Parts found for 1989 Buick Regal > Body Mounting, Air Conditioning, Audio/Entertainment > A/C Compressor Mounting

Part No. Part Description Retail
BOLT, Bracket & Engine Strut


BRACE, A/C Compressor Mounting


BRACKET, A/C Compressor Mounting


BRACKET, Engine Strut


COMPRESSOR Make Sure These Fit






Standard Parts






Replaced by:




Replaced by:



Although General Motors no longer manufactures this part, we may still have stock or the ability to special order it.

To verify availability, please contact us. We will respond promptly.

There are multiple parts that fit your vehicle, select the one that best matches your needs, or select vehicle options to filter result.
Genuine GM Parts, the Right Choice offers the lowest prices for genuine 1989 Buick Regal parts. Parts like A/C Compressor Mounting are shipped directly from authorized GM dealers and backed by the manufacturer's warranty. Parts fit for the following vehicle options. Engine: 6 Cyl 2.8L, 6 Cyl 3.1L. Model Code: CUSTOM 2 DOOR, LIMITED, REGAL.
Select Your Vehicle
Select Vehicle by VIN
We are working to update our catalog with the model years which is currently unavailable.
If you want to shop Accessories, use our Accessories Catalog to locate your part.
Currently we are unable to process your VIN number. Please use Select Vehicle by Model function to continue the shopping process.
For the most accurate results, search by your VIN (Vehicle Identification Number).
Your VIN (Vehicle Identification Number) is a 17-character code that uniquely identifies all vehicles.

It can be found on the vehicle's title, registration, and insurance papers, driver side of the dashboard near the windshield, and on the driver's side door jamb.
Select Vehicle by Model
-- Select Make --
  • Buick
  • Cadillac
  • Chevrolet
  • GMC
  • Oldsmobile
  • Pontiac
-- Select Model --
-- Select Year --
We are working to update our catalog with the 2016 model years which is currently unavailable.
If you have a part number, use our search feature to locate your part.
Item has been added to your cart!  

Part No.: --

This part contains hazardous material.

This part is a packaged part and contains multiple quantities of: (Pack Qty: )


Price: $0.00

Subtotal: $0.00

This part is a packaged part and contains multiple quantities of the same item. In an effort to simplify packaging GM will sometimes include multiple parts in a package.