SmartRide's air assisted shock for the rear of the 2000-2014 Chevrolet Avalanche is a direct aftermarket replacement for your failing O.E. air shock. This air shock will plug directly into the vehicleís air suspension electronics to maintain auto leveling functionality for towing and hauling heavy loads. The SmartRide air shock provides a smooth, comfortable, ride and offers an exact fit for quick installation. SmartRide's economical air shocks provide O.E. like form, fit and function and are designed for many years of trouble free driving.