Looking to upgrade or modify your Checker Marathon with aftermarket parts from Cometic Gasket? At Tunersports.com we carry a great selection of their parts for your vehicle.
From air intake systems, exhaust gaskets, exhaust, mufflers & tips or valve cover gaskets we have 569 parts available for your Marathon, all with free shipping to the Continental US 48 States.
For more information on Cometic Gasket, you can visit the official Cometic Gasket website.

OUT OF STOCK Cometic Gasket Head Gaskets C15498-040Cometic Gasket Chevrolet Gen-I Small Block V8 .040in MLS Cylinder Head Gasket 4.200in Bores $109.30
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OUT OF STOCK Cometic Gasket Valve Cover Gaskets C5537LFCometic Chevrolet Gen-1 Small Block V8 .188in Fiber Valve Cover Gasket Set $50.37
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OUT OF STOCK Cometic Gasket Head Gaskets C5530-020Cometic Chevrolet Gen-1 Small Block V8 .020in Fiber Timing Gasket Kit $50.73
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$33.08
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OUT OF STOCK Cometic Gasket Timing Cover Gaskets C5053Cometic Chevrolet 153 4 Cylinder Gen-3 Inline 6 Timing Cover Gasket Kit $47.31
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OUT OF STOCK Cometic Gasket Intake Gaskets C5414-031Cometic Chevy Gen1 Small Block V8 .031in Fiber Intake Mani Gasket Set $55.46
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OUT OF STOCK Cometic Gasket Intake Gaskets C5569-060Cometic Chrysler W2 Head V8 .060in Fiber Intake Manifold Gasket Set $49.68
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OUT OF STOCK Cometic Gasket Intake Gaskets C5544-125Cometic Chevy Gen1 Small Block V8 .125in Fiber Intake Mani Gasket Set $61.94
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OUT OF STOCK Cometic Gasket Head Gaskets C5506-030Cometic Chrysler LA V8 .030in MLS Cylinder Head Gasket - 4.030in Bore $116.85
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OUT OF STOCK Cometic Gasket Head Gaskets C5506-027Cometic Chrysler LA V8 .027in MLS Cylinder Head Gasket - 4.030in Bore $116.85
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IN STOCK Cometic Gasket Head Gaskets C5248-040Cometic Chevy Small Block 4.165 inch Bore .040 inch MLS Head Gasket (w/All Steam Holes) $102.70
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IN STOCK - LOW Cometic Gasket Head Gaskets C5249-051Cometic Chevy Gen-1 Small Block V8 4.200in Bore 18/23 Degree Head .051in MLS Cylinder Head Gasket $106.57
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IN STOCK - LOW Cometic Gasket Head Gaskets CF1007Cometic Flexplate Bolts 7/16 - 20 x 11/16in - Grade 8 With Black Oxide Finish and Lock Washers |
IN STOCK - LOW Cometic Gasket Head Gaskets C15191Cometic GM/Ford/Chrysler Aluminum Carrier With Rubber Insert Water Outlet Gasket - 2 Bolt |
IN STOCK - LOW Cometic Gasket Head Gaskets C15528-040Cometic Chevy Gen-I Small Block V8 .040in MLS Cylinder Head Gasket - 4.185in Bores $102.70
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IN STOCK - LOW Cometic Gasket Exhaust Gaskets C15189HTSCometic Chevy Gen1 Small Block V8 .060in HTS Exhaust Mani Gasket Set-1.550in x 1.450in Square Ports |
IN STOCK - LOW Cometic Gasket Exhaust Gaskets C5893HTGCometic Chevrolet Gen-1 Small Block V8 .094in HTG Exhaust Manifold Gasket Set - 1.625in Round Ports |
IN STOCK - LOW Cometic Gasket Intake Gaskets CF1010Cometic Intake Manifold Bolts 3/8 - 16 x 1in - Grade 8 Zinc Plated |
IN STOCK - LOW Cometic Gasket Head Gaskets CF1009Cometic Header Bolts 3/8 - 16 3/4in Grade 5 Black Oxide Finish With Hex and Socket Head $43.77
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IN STOCK - LOW Cometic Gasket AFM Gaskets C5389-032Cometic Chevy/Dodge/Ford .032in AFM Fuel Pump to Block Gasket |