Qty (2) Chevrolet GMC Tahoe 2007 2008 2009 2010 2011 Window Lift Supports Stuts, Shocks Strong Arm 6157 This listing includes 2 Lift Supports For the Rear Glass Window. Extended Length from Center Mount to Center Mount is 19.75 in. Strong Arm supports use standards of high quality you can trust and use with confidence, they install easily in minutes, often times without special tools required. Includes a 1 Year Warranty! Interchangable with the following OEM Numbers: 024784,025141,0975UG,1006UR,6157,6157A,SG330073