Qty (2) StrongArm 4584 2002 To 2005 Mercury Mountaineer 2002 To 2007 Aviator 2003 To 2005 Liftgate Lift Supports This listing includes 2 Lift Supports For the Liftgate. Extended Length from Center Mount to Center Mount is 22.00 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: 13950,1L2478406A10AF,1L2478406A11AF,1L2478406A11AG,1L2Z78406A10AA,1L2Z78406A11AA,2525P0,2525PO,2563PA,3131PV,3L2Z78406A10BA,3L2Z78406A11AA,4584,4l24-78406A10-AA,5283TX,611713,8196048,9009QI,95205,F4TZ78404C28B,F4TZ78406A10A,RB8795205,SG204043