GM Part #4918446 Washer Pump Pawl Part Description This is a genuine GM NOS pawl used in windshield washer pump assemblies. It engages with the ratchet wheel to drive the pump mechanism, ensuring proper fluid delivery during wiper operation. OEM Part Number: 4918446 Type: Washer Pump Pawl Material: Stamped steel Condition: NOS (New Old Stock), factory packaging Group Number: 10.153 (GM catalog) Fitment & Compatibility Confirmed applications include 19681974 GM vehicles, especially: Chevrolet Corvette (C3 generation) Oldsmobile Cutlass & Toronado Pontiac Firebird Chevrolet Camaro, Chevelle, Nova Buick Skylark, Regal Used in Delco washer pump assemblies mounted on the wiper motor housing. Common in GM vehicles with depressed park or pulse wiper systems. Cross-Reference Numbers Manufacturer Part Number Description GM 4918446 Washer Pump Pawl NSN 2540-01-158-1570 Wiper Motor Parts Kit (includes pawl & spring) Delco 4918446 OEM equivalent
