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The Cometic GM 2001+ 6.6L Duramax .020in Rubber Coated Stainless Oil Cooler Outlet Gasket - C15263 is a precision-engineered head gasket with a compressed thickness of .020".
The Cometic Rubber head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring Rubber construction, this gasket uses a flexible elastomeric compound engineered for leak-free sealing in low-pressure applications. 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).
Free Canadian shipping on qualifying orders $399+, with no duties or brokerage. Special order and made-to-order items can't be cancelled or refunded once ordered. Oversized items may carry a handling fee depending on your location; pickup in Mississauga has no fee.
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We carry 750,000+ parts, so we can probably still get it. Check the spelling, try the part number, or ask us.
Request this part Text us (833) 691-5717