Qty (2) StrongArm 4576 Rear Window Lift Supports Struts Shocks Fits GMC Envoy SLE, SLT 2002 To 2007 This listing includes 2 Lift Supports For the Rear Glass Window. Extended Length from Center Mount to Center Mount is 21.60 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 Limited Lifetime Warranty! Interchangable with the following OEM Numbers: 14295,15042351,15042352,15093449,15093450,4576,7972XH,8196189,8705SG,8708SS,95157,RB8795157,SG230063