COMPATIBILITY – Fits 2003-2004 Isuzu Ascender; 2005-2005 Isuzu Ascender; 2004-2004 Buick Rainier; 2005-2005 Buick Rainier; 2002-2004 Chevrolet Trailblazer EXT; 2005-2005 Chevrolet Trailblazer EXT; 2002-2004 Chevrolet Trailblazer; 2005-2005 Chevrolet Trail ET THE RIGHT PART -- Before purchasing, please check the “Amazon Confirmed Fit” bar to ensure this part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes. If the “Amazon Confirmed Fit” bar has an “i” in a blue circle, this product has additional notes. Please hover over the “i” on the bar to see notes before making your purchase DESIGNED FOR IMPERFECT SEALING SURFACES -- Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces ENGINEERED TO PERFORM -- Proprietary cork-rubber formulation SUPERIOR SEAL -- Highly conformable to accommodate for the imperfect sealing surfaces EVERY PART FOR THE REPAIR -- Fel-Pro gasket sets include every part needed for the repair unless otherwise noted REAL-WORLD TESTED -- Parts are tested on-vehicle and validated to ensure optimal performance on the road