This part is a regulator, window (left-hand) (electric) (less mtr.) (1988-90), for Buick cars. It fits for Buick Reatta, and Riviera for the U.S.. It's a genuine General Motors part with an OEM part number 20587959. Please keep in mind that this regulator is discontinued for the U.S. market since January 1, 2003.
This regulator 100% fits for General Motors cars. It's made of top quality materials, it has passed not only all manufacturer's tests but also General Motors quality control and has to endure rough road conditions over a long time.
Spare Part Information
Technical Details
Brand
GM
OEM number
20587959
Part group number
10.783
Additional Information
Warranty
Standard 12 months GM warranty on replacement parts.
Return policy
Part is not returnable.
Spare part packaging options
Retail Packaging
Parts in retail packaging
1
20587959
Part 20587959 Has Been Superseded
20587959 is discontinued since January 1, 2003 for the U.S. market;
20587187 was replaced with 12391748 on April 1, 1990 for the U.S. market;
12391748 was replaced with 20587959 on February 1, 1988 for the U.S. market.
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