Qty (2) StrongArm 6152 GMC Acadia, Saturn Outlook 2007 To 2014 Rear Liftgate Hatch Tailgate Lift Supports Struts This listing includes 2 Lift Supports For the Liftgate. Extended Length from Center Mount to Center Mount is 21.87 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: 024857,024904,10030999,10031001,20782755,20782756,22918204,25796484,25857390,6152,8148QX,SG330083