Monroe Shocks & Struts Suspension Shock Absorber P/N:65404

Keep the rear suspension of your hardworking class 6-8 truck controlled with the Monroe Magnum Suspension Shock Absorber 65404 — a rear-position, gas-charged, large-bore shock designed for air spring and taper leaf suspensions. It drops in as a direct-fit replacement for the listed applications, including the Kenworth W900, T800 and C500 and the Peterbilt 386 and 587; see the Buyer's Guide tab for the full list.

The Magnum was the first gas-charged, large-bore shock built for these systems, and its nitrogen gas charge provides the fast response heavy-duty truck suspensions need.

• Consistent ride: all-weather fluid with special additives helps handle extreme temperatures and reduce oil breakdown, while a larger 2-3/8-in. reserve tube holds more fluid on most applications.
• Exceptional handling: 10-stage valving tuned to each vehicle plus a larger 1-3/4-in. bore provides more efficient damping control on most applications.
• Strong and durable: a shouldered bushing and a bonded bushing with sleeve protect against bushing walkout, with arc welds up to 360° for durability.
• Longer service life: a PTFE-coated bearing reduces friction between the rod and rod guide, combined with a nitrocarburized piston rod on most applications.

A robust hydraulic lock-out helps prevent over-extension of the air bags and piston top-out on most applications, and the nitrogen gas charge helps maintain tire-to-road contact by reducing aeration and shock fade. Backed by Monroe's 90-day Risk Free Ride Offer and Limited Commercial Warranty.