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The Cometic GM LML Duramax .014in Rubber Coated Steel Throttle Body Gasket - Air Intake to Heater - C15441 is a precision-engineered intake gasket with a compressed thickness of .014".
Cometic Rubber intake gaskets provide a leak-proof seal between the intake manifold and cylinder head. Featuring Rubber construction, this gasket uses a flexible elastomeric compound engineered for leak-free sealing in low-pressure applications. A proper intake seal is critical for maintaining correct air-fuel mixture, vacuum, and coolant routing — making these gaskets essential for any engine build or intake upgrade.
Verified fitment: Chevrolet Silverado 2500 (2011–2016); Chevrolet Silverado 3500 (2011–2016); GMC Sierra 2500 (2011–2016); GMC Sierra 3500 (2011–2016).
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