REPLACES OEM PART NUMBERS:
• GM 1257703
SPECIFICATIONS:
• Type: Water Pump
• Condition: New
• Housing: Aluminum
• Impeller: Metal
• Hub: 4.57/2.24 in.
• Drive: Serpentine Belt
• Rotation: Standard
• Pulley: No
• Engine: 3.8L V6/5.0L V8
APPLICATIONS:
• Buick Regal 3.8L V6 1973-1987
• Pontiac Grand Prix 5.0L V8 1978-1987
• Buick LeSabre 3.8L V6 1973-1985
• Buick Riviera 5.0L V8 1977-1985
• Pontiac Bonneville 5.0L V8 1978-1986
• Oldsmobile Cutlass Salon 5.0L V8 1978-1987
• Cadillac DeVille 5.7L V8 1980-1982
• Pontiac LeMans 3.8L V6 1977-1981
• Chevrolet Camaro 3.8L V6 1980-1981
• GMC Caballero 5.0L V8 1978-1984
PRODUCT DETAILS:
This heavy-duty performance water pump features premium aluminum construction with a high-flow metal impeller engineered for increased coolant circulation in the General Motors 3.8L 231 cubic inch V6 and 5.0L 305 and 5.7L 350 V8 engines found across a wide range of 1973 through 1987 GM vehicles. The serpentine belt-driven standard rotation design ensures proper factory equivalent installation as a direct replacement for GM original equipment. Compatible with the Buick Regal LeSabre Riviera and Century the Pontiac Grand Prix Bonneville LeMans and Catalina the Oldsmobile Cutlass Salon Toronado and 98 the Cadillac DeVille the Chevrolet Camaro and the GMC Caballero. The heavy-duty designation indicates enhanced construction for superior durability and extended service life compared to standard replacement pumps. The lightweight aluminum housing provides excellent heat dissipation and the 4.57 inch hub height ensures proper belt alignment with the factory accessory drive system. Features a permanently sealed bearing assembly with a precision-ground shaft for dependable leak-free operation. Engineered to meet or exceed all original equipment specifications.
⚠️ Verify fitment before ordering.
WARNING - This product may expose you to chemicals such as Nickel 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
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