Dorman 47109 Washer Fluid Reservoir Filter

OE-Style Washer Reservoir Filter for GM Vehicles

Dorman 47109 is a washer fluid reservoir filter built to match the fit and function of the original filter on specified vehicles. The gray plastic construction is engineered for durable, reliable performance in the windshield washer system.

• Direct replacement washer fluid reservoir filter
• Gray plastic construction
• Matches original fit and function on listed applications
• Designed for windshield washer and related components service
• Compatible with a wide range of Chevrolet, GMC, Buick, Oldsmobile, and Pontiac models

Fitment Coverage

Compatible with applications such as Fits 1976-1990 Chevrolet Caprice, N/A; Fits 1975-1990 Chevrolet G10, N/A; Fits 1975-1990 Chevrolet G20, N/A; Fits 1975-1990 Chevrolet G30, N/A; Fits 1975-1990 Chevrolet P30, N/A; Fits 1979-1990 GMC G1500, N/A; Fits 1979-1990 GMC G2500, N/A; Fits 1979-1990 GMC G3500, N/A; Fits 1979-1990 GMC P3500, N/A; and many additional Chevrolet, GMC, Buick, Oldsmobile, and Pontiac vehicles through 1965-1990. Dorman 47109 also cross-references 471093 and 3986821 for the same application.

What This Part Helps Address

• Cracked or brittle original reservoir filter
• Restricted washer fluid flow from a worn filter
• Washer system service on aging GM vehicles
• Restoration of proper reservoir filtration
• Replacement for a missing or damaged OE-style filter

Installation Notes and Tips

Verify reservoir style and vehicle-specific notes before ordering, especially where fitment lists a no-nut configuration. Inspect the washer reservoir and surrounding components for debris or wear during service, and confirm the filter seats correctly in the original location.

Quality Assurance

Dorman engineers this reservoir filter to match original fit and function and to deliver dependable service life. The plastic construction is selected for durability in washer system use.