This part is a pulley, belt idler (includes idler bolt & dust washer), for Chevrolet, and Pontiac cars. It fits for Chevrolet Cavalier, Pontiac Sunfire for the U.S. from 1998 to 2002. It's a genuine General Motors part with an OEM part number 12570827, and a corresponding ACDelco part number 12570827.
This pulley has dimensions 2.10 in × 4.10 in × 4.10 in, it has a weight of 11.36 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 12570827 Pulley Aftermarket Replacements
OPTIMAL 0-N1691 Deflection/Guide Pulley, v-ribbed belt
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