ZZC
This part is a bolt, driver seat back outer support (m10x1.5x47.5), for Buick, and Oldsmobile cars. It fits for Buick Century Custom, and Century Special, Oldsmobile Cutlass Ciera, and Cutlass Cruiser for the U.S. from 1990 to 1995. It's a genuine General Motors part with an OEM part number 10116889. Please keep in mind that this bolt is discontinued for the U.S. market since March 1, 2012, and is discontinued for Canada market since February 28, 2009.
This bolt 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.