GM 12637788 Head Gasket (Grade C, Right) 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML (1.05mm)

The GM 12637788 Head Gasket (Grade C, Right) is a state-of-the-art replacement part designed specifically for the 2001-2016 GM 6.6L Duramax engines, including LB7, LLY, LBZ, LMM, and LML models. Crafted from high-quality multi-layer steel, this head gasket boasts impressive durability and reliability, ensuring optimal performance for your vehicle. With a thickness of 1.05 mm (or 0.043 in), it effectively seals the cylinder head to the engine block, preventing leaks and maintaining optimal engine pressure.

GM Genuine Parts are the true original equipment (OE) components, engineered to meet the same rigorous standards as parts installed during the vehicle's initial production. Each part undergoes thorough testing and validation by GM engineers, guaranteeing that it integrates seamlessly with your Chevrolet, Buick, GMC, or Cadillac. Regular updates to design and materials ensure the head gasket incorporates the latest technological advancements, offering enhanced performance and longevity.

This one-piece configuration simplifies installation, making it accessible for both professional mechanics and DIY enthusiasts. The GM 12637788 Head Gasket is not just a replacement part; it’s a commitment to quality and excellence, backed by a generous 24 months/unlimited miles limited warranty, which covers both parts and labor when installed by a GM dealer.

While this head gasket is built to withstand the demanding conditions of diesel engines, it’s crucial to take note of the warning regarding potential reproductive harm and cancer, as outlined by California’s Proposition 65.

For those seeking exceptional quality and assurance in engine component replacements, the GM 12637788 Head Gasket is the reliable choice to keep your engine performing at its best.

• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies