FEL-PRO RDS 55479 Axle Housing Cover Gasket for Chevrolet Trailblazer COMPATIBILITY – Fits 2003-2008 Isuzu Ascender; 2006-2006 Isuzu i-280; 2006-2006 Isuzu i-350; 2007-2008 Isuzu i-290; 2007-2008 Isuzu i-370; 2004-2007 Buick Rainier; 2002-2006 Chevrolet Trailblazer EXT; 2004-2012 Chevrolet Colorado; 2002-2009 Chevrolet Trai GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes Meets or exceeds all original equipment specifications Application specific design to ensure a perfect fit Unsurpassed quality you can trust Validated for fit, form and function