Chevy Pontiac Oldsmobile Buick Muncie M20 M21 4 speed reverse idler gear
GM Muncie Front Idler Gear
SAE8620 FORGED STEEL
Fits M20-M21 models
Part #WT29710
OEM fit/finish and satisfaction guaranteed.
We will be closed APRIL 15-20 2026. All orders placed during this time will ship the week of April 21-24 2026. No orders will be canceled or refunded while we are closed.