SKU: SKU: CGSC15375-053
The Cometic GM LB7/LLY/LBZ/LMM/LGH/LML Duramax .053in MLX Cylinder 4.130in Bore RHS Head Gasket - C15375-053 is a precision-engineered head gasket with a 4.130" bore and .053" compressed thickness for the Right-Hand Side (RHS).
The Cometic MLX Multi-Layer Steel (MLS) head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring MLX Multi-Layer Steel (MLS) construction, this gasket uses multiple embossed steel layers for superior sealing under extreme cylinder pressures and temperatures. Precision CNC-machined to exacting tolerances, this gasket seals combustion, water jackets, and oil passages simultaneously — eliminating the need for multiple gaskets or sealing compounds.
Verified fitment: Chevrolet Express 2500 (2006–2016); Chevrolet Express 3500 (2006–2016); Chevrolet Silverado 2500 (2001–2016); Chevrolet Silverado 3500 (2001–2016); GMC Savana 2500 (2006–2016); GMC Savana 3500 (2006–2016); GMC Sierra 2500 (2001–2016); GMC Sierra 3500 (2001–2016).