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Cometic GM Gen-3/4 Small Block V8 Coolant Bypass Seals

Take your engine's performance to the next level with Cometic's precision-crafted coolant bypass seals. Designed specifically for GM Gen-3/4 small block V8 engines, these seals ensure a leak-free cooling system and optimal engine performance.

  • Matches the higher level of performance for today's engines
  • Molded rubber construction for a precise fit and seal
  • Can be bonded to a steel or plastic carrier for added rigidity and reusability

Upgrade your engine's cooling system with Cometic's reliable and high-performance coolant bypass seals.

This product fits more vehicles than loaded. Please select your vehicle to see all fits.

Make Model Year Type
Buick LaCrosse 2008 Super
Buick LaCrosse 2009 Super
Buick Rainier 2004 CXL
Buick Rainier 2004 CXL Plus
Buick Rainier 2005 CXL
Buick Rainier 2005 CXL Plus
Buick Rainier 2006 CXL
Buick Rainier 2007 CXL
Cadillac CTS 2004 V
Cadillac CTS 2005 V
Cadillac CTS 2006 V
Cadillac CTS 2007 V
Cadillac Escalade 2002 Base
Cadillac Escalade 2003 Base
Cadillac Escalade 2004 Base
Cadillac Escalade 2005 Base
Cadillac Escalade 2006 Base
Cadillac Escalade 2007 Base
Cadillac Escalade 2008 Base
Cadillac Escalade 2008 Platinum
Cadillac Escalade 2009 Base
Cadillac Escalade 2009 Hybrid
Cadillac Escalade 2009 Platinum
Cadillac Escalade 2010 Base
Cadillac Escalade 2010 Hybrid
Cadillac Escalade 2010 Hybrid Platinum
Cadillac Escalade 2010 Platinum
Cadillac Escalade 2011 Base
Cadillac Escalade 2011 Hybrid
Cadillac Escalade 2011 Hybrid Platinum
Cadillac Escalade 2011 Luxury
Cadillac Escalade 2011 Platinum
Cadillac Escalade 2011 Premium
Cadillac Escalade 2012 Base
Cadillac Escalade 2012 Hybrid
Cadillac Escalade 2012 Hybrid Platinum
Cadillac Escalade 2012 Luxury
Cadillac Escalade 2012 Platinum
Cadillac Escalade 2012 Premium
Cadillac Escalade 2013 Base
Cadillac Escalade 2013 Hybrid
Cadillac Escalade 2013 Hybrid Platinum
Cadillac Escalade 2013 Luxury
Cadillac Escalade 2013 Platinum
Cadillac Escalade 2013 Premium
Cadillac Escalade 2014 Base
Cadillac Escalade 2014 Luxury
Cadillac Escalade 2014 Platinum
Cadillac Escalade 2014 Premium
Cadillac Escalade ESV 2003 Base
Cadillac Escalade ESV 2004 Base
Cadillac Escalade ESV 2005 Base
Cadillac Escalade ESV 2006 Base
Cadillac Escalade ESV 2007 Base
Cadillac Escalade ESV 2008 Base
Cadillac Escalade ESV 2008 Platinum
Cadillac Escalade ESV 2009 Base
Cadillac Escalade ESV 2009 Platinum
Cadillac Escalade ESV 2010 Base
Cadillac Escalade ESV 2010 Platinum
Cadillac Escalade ESV 2011 Base
Cadillac Escalade ESV 2011 Luxury
Cadillac Escalade ESV 2011 Platinum
Cadillac Escalade ESV 2011 Premium
Cadillac Escalade ESV 2012 Base
Cadillac Escalade ESV 2012 Luxury
Cadillac Escalade ESV 2012 Platinum
Cadillac Escalade ESV 2012 Premium
Cadillac Escalade ESV 2013 Base
Cadillac Escalade ESV 2013 Luxury
Cadillac Escalade ESV 2013 Platinum
Cadillac Escalade ESV 2013 Premium
Cadillac Escalade ESV 2014 Base
Cadillac Escalade ESV 2014 Luxury
Cadillac Escalade ESV 2014 Platinum
Cadillac Escalade ESV 2014 Premium
Cadillac Escalade EXT 2002 Base
Cadillac Escalade EXT 2003 Base
Cadillac Escalade EXT 2004 Base
Cadillac Escalade EXT 2005 Base
Cadillac Escalade EXT 2006 Base
Cadillac Escalade EXT 2007 Base
Cadillac Escalade EXT 2008 Base
Cadillac Escalade EXT 2009 Base
Cadillac Escalade EXT 2010 Base
Cadillac Escalade EXT 2011 Base
Cadillac Escalade EXT 2011 Luxury
Cadillac Escalade EXT 2011 Premium
Cadillac Escalade EXT 2012 Base
Cadillac Escalade EXT 2012 Luxury
Cadillac Escalade EXT 2012 Premium
Cadillac Escalade EXT 2013 Base
Cadillac Escalade EXT 2013 Luxury
Cadillac Escalade EXT 2013 Premium
Chevrolet Avalanche 2007 LS
Chevrolet Avalanche 2007 LT
Chevrolet Avalanche 2007 LTZ
Chevrolet Avalanche 2008 LS
Chevrolet Avalanche 2008 LT
Chevrolet Avalanche 2008 LTZ
Cometic manufactures engine gaskets for both domestic and import vehicles. Gasket kits are available for both bottom end and top end for the most popular vehicles, while their MLS head gaskets are known to be some of the best in the industry. Cometic’s 70,000 square foot, state-of-the-art R&D and manufacturing facility allows them to design gaskets for engines using the latest technology, such as Multi-Layer Steel (MLS) gaskets as well as using synthetic blends such as Aramid Fiber.
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