Qty (2) Fits Acura MDX 2007 To 2013 Rear Hatch Liftgate Tailgate Lift Supports With Power Lift Gate This listing includes 2 Lift Supports For the Liftgate. Extended Length from Center Mount to Center Mount is 22.64 in. Lift Supports Depot supports are High Quality Eurpoean Lift Supportds. Designed to install easily in minutes, often times without special tools. Includes a Limited Lifetime Warranty! Interchangable with the following OEM Numbers: 163242,74820STXA21,74820-STX-A21,74820STXA22,74820-STX-A22,PM1108