# Cometic GM Gen-4 Small Block LS Thermostat Housing Gasket COMETIC Molded Rubber is a soft durometer rubber formed specifically to the shape of the sealing surface or sealing cavity. Can be bonded to a steel or plastic carrier for added rigidity and reusability. - All of Cometic's gaskets and seals have been tested on both the street and the track as well as vigorous Dyno shakedowns - Matches The Higher Level Of Performance For Todays Engines This Part Fits: Year Make Model Submodel 2004-2006 Buick Rainier CXL 2004-2005 Buick Rainier CXL Plus 2006-2007 Cadillac CTS V 2004-2006 Cadillac Escalade Base 2004-2006 Cadillac Escalade ESV Base 2004-2006 Cadillac Escalade EXT Base 2004-2005 Chevrolet Avalanche 1500 Base 2005-2006 Chevrolet Avalanche 1500 LS 2005-2006 Chevrolet Avalanche 1500 LT 2004-2006 Chevrolet Avalanche 1500 Z66 2004-2006 Chevrolet Avalanche 1500 Z71 2006-2008 Chevrolet Corvette Base 2006-2007 Chevrolet Corvette Z06 2004-2006 Chevrolet Express 1500 Base 2004-2006 Chevrolet Express 1500 LS 2006 Chevrolet Express 1500 LT 2004-2006 Chevrolet Express 2500 Base 2004-2006 Chevrolet Express 2500 LS 2006 Chevrolet Express 2500 LT 2004-2006 Chevrolet Express 3500 Base 2004-2006 Chevrolet Express 3500 LS 2006 Chevrolet Express 3500 LT 2006-2007 Chevrolet Impala SS 2006-2007 Chevrolet Monte Carlo SS 2004-2005 Chevrolet Silverado 1500 Base 2004-2006 Chevrolet Silverado 1500 Hybrid 2004-2006 Chevrolet Silverado 1500 LS 2004-2006 Chevrolet Silverado 1500 LT 2004-2006 Chevrolet Silverado 1500 SS 2004-2006 Chevrolet Silverado 1500 WT 2004-2005 Chevrolet Silverado 1500 Z71 Off-Road 2005 Chevrolet Silverado 1500 HD Base 2005 Chevrolet Silverado 1500 HD LS 2005-2006 Chevrolet Silverado 1500 HD LT 2004 Chevrolet Silverado 2500 Base 2004 Chevrolet Silverado 2500 LS 2004 Chevrolet Silverado 2500 LT 2004 Chevrolet Silverado 2500 WT 2004-2005 Chevrolet Silverado 2500 HD Base 2004-2006 Chevrolet Silverado 2500 HD LS 2004-2006 Chevrolet Silverado 2500 HD LT 2004-2006 Chevrolet Silverado 2500 HD WT 2004-2005 Chevrolet Silverado 3500 Base 2004-2006 Chevrolet Silverado 3500 LS 2004-2006 Chevrolet Silverado 3500 LT 2004,2006 Chevrolet Silverado 3500 WT 2004-2006 Chevrolet SSR Base 2006 Chevrolet Suburban 1500 Base 2004-2006 Chevrolet Suburban 1500 LS 2004-2006 Chevrolet Suburban 1500 LT 2006 Chevrolet Suburban 1500 LTZ 2004-2006 Chevrolet Suburban 1500 Z71 2004-2006 Chevrolet Suburban 2500 LS 2004-2006 Chevrolet Suburban 2500 LT 2006 Chevrolet Tahoe Base 2004-2006 Chevrolet Tahoe LS 2004-2006 Chevrolet Tahoe LT 2004-2006 Chevrolet Tahoe Z71 2006 Chevrolet Trailblazer LS 2006 Chevrolet Trailblazer LT 2006 Chevrolet Trailblazer SS 2006 Chevrolet Trailblazer EXT LS 2006 Chevrolet Trailblazer EXT LT 2005-2006 GMC Envoy Denali 2005-2006 GMC Envoy XL Denali 2004-2005 GMC Envoy XL SLE 2004-2005 GMC Envoy XL SLT 2004-2005 GMC Envoy XUV SLE 2004-2005 GMC Envoy XUV SLT 2004-2006 GMC Savana 1500 Base 2006 GMC Savana 1500 LS 2006 GMC Savana 1500 LT 2004-2005 GMC Savana 1500 SLE 2004-2006 GMC Savana 2500 Base 2004-2005 GMC Savana 2500 SLE 2004-2006 GMC Savana 3500 Base 2006 GMC Savana 3500 LS 2006 GMC Savana 3500 LT 2004-2005 GMC Savana 3500 SLE 2004-2005 GMC Sierra 1500 Base 2004-2006 GMC Sierra 1500 Denali 2005-2006 GMC Sierra 1500 Hybrid 2006 GMC Sierra 1500 SL 2004-2006 GMC Sierra 1500 SLE 2004-2006 GMC Sierra 1500 SLT 2004-2006 GMC Sierra 1500 WT 2005-2006 GMC Sierra 1500 HD SLE 2005-2006 GMC Sierra 1500 HD SLT 2004 GMC Sierra 2500 Base 2004 GMC Sierra 2500 SLE 2004 GMC Sierra 2500 SLT 2004 GMC Sierra 2500 WT 2004-2005 GMC Sierra 2500 HD Base 2006 GMC Sierra 2500 HD SL 2004-2006 GMC Sierra 2500 HD SLE 2004-2006 GMC Sierra 2500 HD SLT 2004-2006 GMC Sierra 2500 HD WT 2004-2005 GMC Sierra 3500 Base 2006 GMC Sierra 3500 SL 2004-2006 GMC Sierra 3500 SLE 2004-2006 GMC Sierra 3500 SLT 2004-2006 GMC Sierra 3500 WT 2006 GMC Yukon SL 2004-2006 GMC Yukon SLE 2004-2006 GMC Yukon SLT 2006 GMC Yukon XL 1500 SL 2004-2006 GMC Yukon XL 1500 SLE 2004-2006 GMC Yukon XL 1500 SLT 2004-2006 GMC Yukon XL 2500 SLE 2004-2006 GMC Yukon XL 2500 SLT 2004-2006 Hummer H2 Base 2004-2005 Isuzu Ascender Limited 2004-2006 Isuzu Ascender LS 2005 Isuzu Ascender S 2008-2009 Pontiac G8 GT 2005-2008 Pontiac Grand Prix GXP 2005-2006 Pontiac GTO Base 2006 Saab 9-7x 5.3i 2005 Saab 9-7x Arc ## Details - **Price:** 32.2 CAD - **Vendor:** Cometic Gasket - **Type:** Gasket Kits ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 32.20 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - User 9 - Logo Image --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/cometic-gm-gen-4-small-block-ls-thermostat-housing-gasket) > Updated: 2026-06-26