OEM PART NUMBERS:
• GM: 6260822
• GM: 3990993
• GM Casting Number: 3992077
SPECIFICATIONS:
• Type: Long Style Mechanical Water Pump
• Drive: Belt Driven
• Impeller Material: Metal
• Housing: Cast Iron
• Bearing: Heavy Duty
• Hub: 4-Bolt Pattern
• Gaskets: Included
• Weight: 14.9 lbs
• Package Dimensions: 14.0" x 10.0" x 10.0"
• Condition: New
APPLICATION:
• Chevrolet Corvette 454ci V8 7.4L (1971-1974)
• Big Block Chevy LS5/LS6 454 (1971-1974)
Belt Driven Water Pump - 1971-1974 Corvette 454 Big Block
Brand new water pump engineered as a direct replacement for the 1971-1974 Chevrolet Corvette equipped with the 7.4L (454 cubic inch) Big Block V8 engine. This long-style mechanical pump features a heavy-duty cast iron housing and metal impeller for efficient coolant flow throughout the engine cooling system. Mounting gaskets are included for a complete installation package requiring no additional parts or sealants. Replaces original GM part numbers 6260822 and 3990993. Casting number 3992077 was used on the original equipment pump from 1971 through 1974. The Corvette C3 454 was offered in LS5 and LS6 configurations during these model years, making it one of the most desirable performance vehicles of its era. This water pump features a 4-bolt hub and heavy-duty bearing assembly matching OE specifications for proper fan clutch and pulley engagement. The long-style design ensures proper clearance and pulley alignment with all factory accessory drive configurations including power steering, air conditioning, and alternator brackets. The cast iron body resists warping and provides a reliable seal against the engine block.
⚠️ Verify OEM part number from your original unit before ordering to ensure proper fitment.
PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.
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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