Keep hardworking commercial trucks and buses riding under control with the Monroe Magnum Front Suspension Shock Absorber 66602 — a gas-charged shock built for class 3-6 vehicles and high-mileage, severe-use duty. It installs as a direct-fit front replacement for the 1991 International 500, 1988-2004 Mitsubishi Fuso FH, 1995-1998 and 2011-2013 UD 1800, 1998-2013 UD 2000, 2005-2013 UD 2300DH, and 2005-2013 UD 2300LP; see the Buyer's Guide tab for engine-level fitment.
- Nitrogen gas-charge: helps maintain tire-to-road contact by reducing aeration and shock fade for improved ride and handling.
- 10-stage valving: tuned to each vehicle, with a larger 1-3/8-in. bore for more efficient damping control on most applications.
- All-weather fluid: special additives assist with extreme temperatures and help reduce oil breakdown, while a 2-in. or 2-1/4-in. reserve tube holds more fluid.
- Longer service life: a PTFE-coated bearing reduces friction between rod and rod guide, and a nitrocarburized piston rod adds durability (most applications).
- Strong and durable: shouldered and bonded bushing with sleeve protects against bushing walkout, and arc welds up to 360° add durability.
A robust hydraulic lock-out helps prevent air-bag over-extension, piston top-out, and seal damage on most applications. If worn shocks are behind excessive vibration or poor ride control, this Magnum unit replaces them. Backed by Monroe's 90-day Risk Free Ride Offer and Limited Commercial Warranty.
Interchange: HD12130708 · G60164 · SA66602 · 301366 · 660161MT · MG60164 · MC110495 · MC826268 · 34602 · 660161 · 76602 · AMS660161 · 57366602 · 5610130Z01 · 56101Z5011 · 5611030Z01 · 56110Z5011
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What is the Monroe Magnum 66602?
It's a gas-charged front suspension shock absorber from Monroe's Magnum line, designed for class 3-6 commercial trucks and buses that see high mileage and severe-use duty.
Is this a front or rear shock?
The catalog lists it as a FRONT suspension shock absorber.
Which vehicles does it fit?
The 1991 International 500, 1988-2004 Mitsubishi Fuso FH, 1995-1998 and 2011-2013 UD 1800, 1998-2013 UD 2000, and 2005-2013 UD 2300DH and 2300LP. Check the Buyer's Guide tab for engine-level details.
Should I replace shocks in pairs?
This listing is for one shock. As a best practice, replace both front shocks together as a matched pair for balanced, even ride control.
What are signs my shocks may need replacing?
Excessive vibration, bouncing, or reduced ride control can indicate worn shocks. Diagnose the cause first; if the shocks are worn out, this Magnum unit replaces them.
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