Factory diagram — Oxygen Sensor
Factory diagrams
Chevrolet
Oxygen Sensor Downstream
UsedOEM
OEM Chevrolet Oxygen Sensor Downstream part #12643903
Verify with VIN
Close match — verify with VIN before checkout. VIN check beats regret.
Estimated Dispatch
Ships in 24–48 hours
$73.10
Specifications
SKU
FTM-CHARM-12643903
OEM Part #
12643903
Shipping Class
ground
Warranty
—