🧩 GM Part #4918320 — Windshield Washer Pump Valve Gasket

Description:

🧩 GM Part #4918320 — Windshield Washer Pump Valve Gasket

🔧 Part Description

This is a genuine GM NOS gasket used in windshield washer pump valve assemblies. It seals the pump housing to prevent fluid leaks and maintain proper washer system pressure.

• OEM Part Number: 4918320

• Type: Washer Pump Valve Gasket

• Manufacturer: GM / Delco

• Condition: NOS (New Old Stock), dealership closeout packaging

• Material: Rubber composite

• Group Number: 10.153 (GM catalog)

🚗 Fitment & Compatibility

Used across a wide range of GM vehicles from 1968–1986, including:

• Buick: Century, Regal, LeSabre, Electra, Riviera

• Cadillac: All models 1976–1980

• Chevrolet: Passenger cars, Chevelle, Corvette, Vega, Monza, Malibu, El Camino, Monte Carlo, Camaro

• Chevrolet Trucks: G10–G30, CKGP-1/2/3, Blazer, Jimmy (1971–1986)

• GMC: Sprint, CK series

• Oldsmobile: Cutlass, 88, 98, Toronado

• Pontiac: Firebird, T1000, Bonneville

• GMT Platforms: 1979–1984 CK, 1979–1982 G

Compatible with washer systems featuring depressed park and pulse wiper motors.

🔁 Cross-Reference Numbers