Monroe Shocks & Struts Magnum Severe Service 553003 Shock Absorber

ENGINEERED FOR EMERGENCY AND FLEET VEHICLES — For hardworking first responder, municipal, fleet and jobsite vehicles and features 1-stage valving that adjusts to road extremes to help handle frequent stops, heavy loads and high miles LONGER SERVICE LIFE — Larger bore, bigger 2-in. reserve tube and .5-in. pressure tube work together to hold more oil for greater capacity to allow the shock to work efficiently for controlled ride and longer service life STRONG AND DURABLE — Loop welding techniques include resistance welds and/or arc welds up to 36-degrees for durability while shouldered bushing and bonded bushing (on most applications) delivers quality BUILT TO LAST — Heavy-duty nitrocarburized rod (on most applications) and sintered iron piston enhance durability for longer service life IMPROVES PERFORMANCE — Nitrogen gas-charge maintains tire-to-road contact for improved ride and handling by reducing aeration and shock fade CONSISTENT RIDE — OE all-weather fluid contains special modifiers to handle extreme temperatures and help reduce friction and ensure smooth rod reaction CONTROL AND DURABILITY – Banded piston helps reduce friction between the piston and pressure tube to enhance responsiveness to changing road surfaces for smooth operation