Details

• Brand:

  

• SKU:

  12682391

• Other Names:

  Gasket, 1278

• Description:

  The GM OEM Water Pump Gasket (MPN: 12682391) is an essential engine sealing component engineered to prevent coolant leaks at the water pump assembly on select General Motors trucks and vans. This genuine GM part ensures a reliable, long-lasting seal across 2018-2020 Chevrolet Silverado, GMC Sierra, and Chevrolet Express/GMC Savana models equipped with 4.3L, 5.3L, 6.2L, and 6.6L gas engines, including 2500 HD and 3500 HD variants. Designed and tested to General Motors' rigorous OEM standards, this water pump gasket maintains peak cooling system performance and prevents costly engine damage from overheating. - Genuine OEM water pump gasket manufactured to GM specifications for exact fit and superior durability - Direct fit for 2018-2020 Chevrolet Silverado, GMC Sierra 2500 HD/3500 HD, Chevrolet Express, and GMC Savana with 4.3L, 5.3L, 6.2L, and 6.6L gasoline engines - Creates a dependable seal between water pump and engine block to eliminate coolant leaks and maintain proper engine cooling - Constructed from fiber or rubberized composite material for optimal heat resistance and longevity in demanding engine environments - Authentic General Motors OEM part backed by GM engineering and quality assurance

• Condition: New
• Notes: Included with water pump assembly.
• Applications: 5.3L. 4.3L. 6.6L GAS. 6 CYLINDER 2018-2019. 6.2L W/O SUPERCHARGER.

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