Keep every hardworking heavy-duty mile controlled with the Monroe Magnum Rear Suspension Shock Absorber 65528, a rear-position, gas-charged damper built for class 6-8 trucks and buses. It fits many commercial vehicles, among them the 2013-2024 Kenworth T680, 2008-2024 Kenworth W900 and 2013-2024 Peterbilt 579 — see the "Vehicles it fits" section for the full list.
- Gas-charged, large-bore design: a nitrogen gas charge provides the fast response needed by air spring and taper leaf heavy-duty truck suspensions.
- 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 (most applications).
- Exceptional handling: 10-stage valving tuned to each vehicle, paired with a larger 1-3/4-in. bore for more efficient damping control (most applications).
- Strong and durable: shouldered bushing and bonded bushing with sleeve help protect from bushing walkout, with arc welds up to 360°.
A robust hydraulic lock-out helps prevent over-extension of air bags and piston top-out (most applications), while a PTFE-coated bearing and nitrocarburized piston rod are designed to reduce friction for longer service life. Backed by Monroe's 90-day Risk Free Ride Offer and Limited Commercial Warranty.
Interchange: HD12150076 · 441850695528 · F343368 · 98031001 · AMS65528 · SA55032 · 85069 · 89455 · 308781 · C711011 · C711017 · C711017PLUS · C716005 · 671091 · M85069 · M89455 · 0308781 · 316824 · SA5069
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
Is the Monroe Magnum 65528 a front or rear shock?
It is a rear suspension shock absorber, cataloged for the rear position on the listed class 6-8 commercial trucks and buses.
What type of suspension is this shock designed for?
It is a gas-charged, large-bore shock designed for the air spring and taper leaf suspensions used on heavy-duty class 6-8 trucks and buses.
Which vehicles does the 65528 fit?
It fits many vehicles, among them the 2013-2024 Kenworth T680, 2008-2024 Kenworth W900 and 2013-2024 Peterbilt 579. See the "Vehicles it fits" section for the full list.
How many should I replace at once?
This listing is for one shock. For balanced ride control, it's best practice to replace both shocks on the same axle together as a matched pair.
What are signs this shock may need replacing?
Signs a shock may need replacing include excessive bouncing, poor ride control, fluid leakage from the shock body, or uneven tire wear. Diagnose the cause before replacing.
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