The Monroe Shocks & Struts Shock Absorber is designed to provide superior durability and force absorption for semi-truck suspension parts. It minimizes wear and tear while providing high tensile strength for maximum durability. The shock absorber is a nitrogen gas-charged to maintain tire to road contact by reducing aeration and offers more efficient and consistent control in applications. It features a 10-stage valving that reacts to various driving conditions, ensuring a smooth and comfortable ride. FleetPride is your First Click in Heavy Duty®.