Restore proper belt alignment and a factory-correct engine bay appearance with this reproduction water pump pulley for 1969-1978 Chevrolet small block and big block passenger car applications, and 1973-1978 Chevrolet and GMC truck models. This original-style pulley is a great replacement for a worn, bent, or missing original and helps keep your accessory drive operating smoothly. It features a single groove design, measures approximately 6-1/4" in diameter, and includes the correct OE-style stamping 3995631 for added authenticity.
Features & Benefits
Reproduction water pump pulley for 1969-1978 Chevrolet passenger car and 1973-1978 Chevrolet and GMC truck applications
Fits select small block and big block engines as listed
Single groove design helps maintain proper belt alignment and reliable operation
Correct OE-style stamping 3995631 for factory-correct detail
Application: 1969-1978 Chevrolet passenger car; 1973-1978 Chevrolet and GMC truck
Engine compatibility: Small block and big block applications as listed
Approximate diameter: 6-1/4"
Stamped number: 3995631
Additional Information
Technical Specifications
6-1/4" outside diameter
1-7/8" depth
For use on models without air conditioning
Single groove pulley
Chevrolet Applications
1969 - 1970 Chevrolet Bel Air
1969 - 1970 Chevrolet Biscayne
1969 - 1970 Chevrolet Brookwood
1969 - 1978 Chevrolet Camaro
1969 - 1970 Chevrolet Caprice
1969 - 1970 Chevrolet Chevelle
1969 - 1970 Chevrolet Impala
1969 - 1970 Chevrolet Kingswood
1970 - 1970 Chevrolet Monte Carlo
1970 - 1970 Chevrolet Nova
1969 - 1970 Chevrolet Townsman
Chevrolet Truck Applications
1973 - 1974 Chevrolet Blazer
1975 - 1978 Chevrolet C10
1973 - 1974 Chevrolet C10 Pickup
1974 - 1974 Chevrolet C10 Suburban
1975 - 1978 Chevrolet C20
1973 - 1974 Chevrolet C20 Pickup
1974 - 1974 Chevrolet C20 Suburban
1975 - 1978 Chevrolet C30
1973 - 1974 Chevrolet C30 Pickup
1969 - 1970 Chevrolet El Camino
1975 - 1978 Chevrolet K10
1973 - 1974 Chevrolet K10 Pickup
1974 - 1974 Chevrolet K10 Suburban
1975 - 1978 Chevrolet K20
1973 - 1974 Chevrolet K20 Pickup
1974 - 1974 Chevrolet K20 Suburban
1977 - 1978 Chevrolet K30
1973 - 1974 Chevrolet K30 Pickup
1975 - 1978 Chevrolet K5 Blazer
1973 - 1978 Chevrolet Truck
Chevrolet Van Applications
1976 - 1976 Chevrolet G10
1973 - 1974 Chevrolet G10 Van
1976 - 1976 Chevrolet G20
1973 - 1974 Chevrolet G20 Van
1976 - 1976 Chevrolet G30
1973 - 1974 Chevrolet G30 Van
GMC Truck Applications
1975 - 1978 GMC C15
1973 - 1974 GMC C15/C1500 Pickup
1973 - 1973 GMC C15/C1500 Suburban
1975 - 1978 GMC C25
1973 - 1974 GMC C25/C2500 Pickup
1973 - 1973 GMC C25/C2500 Suburban
1975 - 1978 GMC C35
1973 - 1974 GMC C35/C3500 Pickup
1973 - 1978 GMC Jimmy
1975 - 1978 GMC K15
1973 - 1974 GMC K15/K1500 Pickup
1973 - 1973 GMC K15/K1500 Suburban
1975 - 1978 GMC K25
1973 - 1974 GMC K25/K2500 Pickup
1973 - 1973 GMC K25/K2500 Suburban
1977 - 1978 GMC K35
1973 - 1974 GMC K35/K3500 Pickup
1972 - 1976 GMC Sprint
1973 - 1978 GMC Truck
Vehicle Fitment:
The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
