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Studs, Fan to Water Pump, 1970-81 GM Vehicles, 12pc

Part# : CH31451
Sold As: Set
Ship Size: Standard
$10.99
List Price: $12.95
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Estimated the week of 10/28/2026
Vehicle Specific View fitment for 16 models
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1970-81 GM Fan-to-Water-Pump Stud & Nut Set (12-Piece) by Inline Tube®

Correct 5/16-inch studs use fine and coarse threads with matching nuts and lock washers.

This Inline Tube® fan-to-water-pump mounting set replaces missing or damaged original hardware on the listed 1970-81 GM applications. The 5/16-inch studs measure 1-1/2 inches long and use the correct fine/coarse thread arrangement for the water-pump hub and fan-side hardware. Matching nuts and lock washers are included in the 12-piece set.

• 1970-81 GM fan-to-water-pump hardware • 12-piece mounting set • 5/16-inch mounting studs • 1-1/2-inch stud length • Fine/coarse thread arrangement • Nuts and lock washers included

We aim to provide accurate and complete product information. If you notice anything incorrect, missing, or unclear, please let us know.
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1970–1976 Buick Riviera  
1970–1972 Buick Skylark  
1970–1976 Cadillac DeVille  
1970–1978 Cadillac Eldorado  
1970–1976 Cadillac Fleetwood  
1970–1977 Chevrolet Chevelle  
1970–1981 Chevrolet El Camino  
 
1978–1981 Chevrolet Malibu  
1970–1981 Chevrolet Monte Carlo  
 
1970–1981 Oldsmobile Cutlass  
 
1970–1977 Pontiac Bonneville  
1970–1977 Pontiac Catalina  
1970–1981 Pontiac Grand Prix  
 
1970–1973 Pontiac GTO  
1970–1973 Pontiac LeMans  
1970 Pontiac Tempest  
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Studs, Fan to Water Pump, 1970-81 GM Vehicles, 12pc
Studs, Fan to Water Pump, 1970-81 GM Vehicles, 12pc