Premium Auto Engine Cylinder Head Gasket – Precision Fit for GM Models
High-quality multi-layer steel (MLS) construction ensures superior heat resistance and durability under extreme engine conditions. Precision-engineered for exact fitment on Traverse, Enclave, Colorado, and compatible with OEM part numbers 12634478, 12590735, 12620190, 12631766, 12648843, 12588468, 12645701. Advanced sealing technology prevents coolant and oil leaks, maintaining optimal engine performance for daily driving, towing, or high-mileage use. Direct wholesale pricing with bulk discounts—global shipping available for mechanics, retailers, and fleet operators.