29069 Calahan Rd, Roseville, MI 48066
Info: 586-772-0000 | Orders: 800-828-7229

1971-1981 Corvette Used Original 3991425 BX Smog Pump on Water Pump Pulley 71-81

This is for One, (1), Good Used Original Chevy Corvette Smog Pulley Mounted in Front of the Water Pump which is a 5 3/4 Inch Single Groove Pulley, (GM Part Number 3991425, GM Group Number 1.062), for 1971 71 1972 72 1973 73 1974 74 1975 75 1976 76 1977 77 1978 78 1979 79 1980 80 1981 81 Corvettes. It may also fit other vehicles, but do your own research to verify proper fit.

NOTE: The attached photos show several parts, you will get one good used part requiring blasting and paint prior to show use.  This is what you need for your Bloomington Gold, NCRS Top Flight Restoration or Survivor Car! "Keep Your GM Car All GM!"  This item can be picked up at our Corvette Parts and Service Center, Tracy Performance, 29069 Calahan Road, Roseville, Michigan 48066-1805, (just Northeast of Detroit), to save shipping costs.  

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The Copyrighted Info and Pictures are the Property of Tracy Performance!

Vehicle Applications:
1971 Chevrolet Corvette  
1972 Chevrolet Corvette  
1973 Chevrolet Corvette  
1974 Chevrolet Corvette  
1975 Chevrolet Corvette  
1976 Chevrolet Corvette  
1977 Chevrolet Corvette  
1978 Chevrolet Corvette  
1979 Chevrolet Corvette  
1980 Chevrolet Corvette  
1981 Chevrolet Corvette  


Listing Number:12130 - RL190703G
eBay Listing:392326685476
Condition:Used
Corvette Series:C3 1968-1982
Group Number:1.062
Part Brand:General Motors
Manufacturer Part #:3991425 BX
Casting Number:3991425
Casting Date:1971-1981
Tracy Part Number:U 425 Smog/Water Pump Pulley
Color:Black
Interchange Part #:Chevrolet, Chevy, Corvette
Placement:Front
Placement Details:

On Water Pump

Surface Finish:Used
Manufactured In:United States
Qty Available:2
Retail Price:$29.00
Shipping Price:$16.00 (Continental US)

Contact Us For More Information

Good Used Original Chevy Corvette Smog/Water Pump 5 3/4 Inch Single Groove Pulley GM Part Number 3991425, GM Group Number 1.062 1971 71 1972 72 1973 73 1974 74 1975 75 1976 76 1977 77 1978 78 1979 79 1980 80 1981 81Chevy Chevrolet C1 C2 C3 C4 C5 C6 Corvette NCRS Top Flight Bloomington Gold Tracy Performance Corvette Parts Roseville Detroit Michigan 48066 Sting Ray 283 302 327 348 350 396 402 409 427 454 502 Engine Transmission