This part is a pulley, belt idler (includes bolt), for Buick, Pontiac, Oldsmobile, and Cadillac cars. It fits for 16 General Motors vehicles which were sold in the U.S. from 1998 to 2011. It's a genuine General Motors part with an OEM part number 12557554, and a corresponding ACDelco part number 12557554.
This pulley has dimensions 3.00 in × 3.30 in × 3.00 in, it has a weight of 15.36 ounces, usually, it comes in a set of 1 item in retail packaging.
This pulley 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.
GM 12557554 Pulley Aftermarket Replacements
OPTIMAL 0-N1696 Deflection/Guide Pulley, v-ribbed belt
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