
Factory diagram — Hydraulic Brake Booster Pump
Factory diagrams
GMC
Vacuum Pump 180mm
UsedOEM
OEM GMC Vacuum Pump 180mm part #20939309
Verify with VIN
Close match — verify with VIN before checkout. VIN check beats regret.
Estimated Dispatch
Ships in 24–48 hours
$190.34
Specifications
SKU
FTM-CHARM-20939309
OEM Part #
20939309
Shipping Class
ground
Warranty
—
