38178 Belt Tensioner w/Pulley Assembly Fit For 04-07 Bu-ick Rainier /04-12 Chevy Colorado /02-09 Trailblazer /04-12 GMC Canyon /02-09 Envoy /06-10 Hummer H3 /03-08 Isuzu Ascender Product Details Manufacturer: AUQDD Brand: AUQDD Model: Accessory Drive Belt Tensioner Assembly Item Weight: 1.98 pounds Product Dimensions: 6.3 x 4.92 x 3.15 inches Item model number: 38178 419-125 89269 49280 Exterior: Metallic Finish Manufacturer Part Number: AQBT-38178 FUNCTION - The replacement automatic serpentine belt tensioner pulley assembly transports power to the alternator,power steering pump,air conditioning and keeps it running smoothly and effectively.It is designed for vehicles that needs an automatic belt tensioner.The torsional round spring design provides consistent tension for maximum durability. FEATURES - Easy to install by direct replacement.Eliminate noisy tensioner pulley and no more belt noise.Ensures proper belt tension,alignment and damping for superior performance. OE QUALITY - Manufactured in ISO/TS16949 certified facilities by the advanced machines and each part is built to stringent OE specifications.Stable characteristics,High reliability. PERFECT FIT - Engineered and tested to match the fit,function and performance of the original tensioner on specified vehicles.It ensures proper belt tension, alignment, and damping for superior performance.Easy to install by direct replacement. About usInc. is well-known as a leader in providing quality auto parts to the aftermarket.Strict product design and manufacturing standards to ensure consistent quality that meets or exceeds original component expertise translates to superior Aftermarket,serving professional installers and do-it-yourself AUQDD, we take pride in the quality of our products and in your forward to becoming your first choice brand of Automatic Belt Tensioner and Pulley Assembly.Product Fitment Information:Compatible With:Bu-ick=============2004-2007 Bu-ick Rainier [For 4.2L L6 Engine]Compatible With:Chevy=============2004-2008 Chevy Colorado2009-2012 Chevy Colorado [For 2.9L/3.7L Engine]2002-2009 Chevy Trailblazer [For 4.2L L6 Engine]2002-2006 Chevy Trailblazer EXT [For 4.2L L6 Engine]Compatible With:GMC=============2004-2008 GMC Canyon2009-2012 GMC Canyon [For 2.9L/3.7L Engine]2002-2009 GMC Envoy [For 4.2L L6 Engine]2002-2006 GMC Envoy XL [For 4.2L L6 Engine]2004-2005 GMC Envoy XUV [For 4.2L L6 Engine]Compatible With:Hummer=============2006-2007 Hummer H32008-2010 Hummer H3 [For 3.7L L6 Engine]2009-2010 Hummer H3T [For 3.7L L6 Engine]Compatible With:Isuzu=============2003-2008 Isuzu Ascender [For 4.2L L6 Engine]2006-2006 Isuzu i-2802007-2008 Isuzu i-2902006-2006 Isuzu i-3502007-2008 Isuzu i-370Compatible With:Olds=============2002-2004 Oldsmobile BravadaCompatible With:Saab=============2005-2009 Saab 9-7x [For 4.2L L6 Engine]Package Includes:1 x Accessory Drive Belt Tensioner Assembly (Tensioner only) - 38178