Feature●【FITMENT】This A/C Tensioner Kit is compatible with Cadillac Escalade 2002-2008, Chevrolet Avalanche 2002-2008, Express 2003-2008, Silverado 1999-2008, Suburban 2000-2008, Tahoe 2000-2008, Savana 2003-2008, Sierra 1999-2008, Yukon 2000-2008, H2 2003-2008.●【REPLACE PART NUMBER】90K-38159, ACK040378HD, 19311139. Note: Please kindly check the fitment before purchase.●【PREMIUM QUALITY】This A/C Tensioner Kit is a perfect replacement for your old part. It meets OEM standard and will help reduce noise inside.●【EASY TO INSTALL】It will take 1-hour to install this kit. You can prepare 5mm socket & 15mm end wrench to deal with it.●【SERVICE】If you have other troubles about this item, please feel free to contact us. We will reply within 24 hours. Thanks for your support.Description