APDTY 711213 vacuum-operated 4WD front differential actuator restores four-wheel drive engagement on 1983-2005 GM S-series trucks and SUVs when vacuum leaks or mechanical failure prevent front axle activation.

APDTY 012237 is a gray front left power mirror adjust switch for 1998-2005 Chevy Blazer, S10, GMC Jimmy, Sonoma, and Olds Bravada. Replaces OE 15013100, 15720520, 19259976.