The Monroe® Magnum® Rear Suspension Shock Absorber for class 3-6 vehicles is gas-charged for quicker response and a stable, more comfortable ride. Designed for high mileage and severe use vehicles, it replaces worn units to help reduce excessive vibration.

This versatile rear Magnum shock serves a wide range of Mack, International, Western Star, Autocar, and Peterbilt commercial platforms, backed by Monroe's 90-day Risk Free Ride Offer and Limited Commercial Warranty.

• For Hardworking Commercial Vehicles: Designed for high mileage and severe use class 3-6 trucks and buses.
• Consistent Ride: All-weather fluid with special additives handles extreme temperatures; 2-in. or 2-1/4-in. reserve tube holds more fluid (when required).
• Exceptional Handling: 10-Stage valving tuned per vehicle; larger 1-3/8-in. bore for more efficient damping and a smoother ride (most applications).
• Strong and Durable: Shouldered and bonded bushing with sleeve prevents bushing walkout; arc welds up to 360° for durability.
• Built to Last: Hydraulic lock-out prevents over-extension of air bags and protects the seal assembly (most applications).
• Longer Service Life: PTFE-coated bearing and nitrocarburized piston rod for durability and extended service life (most applications).
• Reduced NVH: Isolates impact-related noise, vibration, and harshness under most driving conditions.
• Improves Performance: Nitrogen gas-charge maintains tire-to-road contact by reducing aeration and shock fade.
• Buy with Confidence: Comes with Monroe's 90-day Risk Free Ride Offer and Limited Commercial Warranty.

Common Fits: Mack CH (1989-2005), Mack CL (1991-2007), Mack CV (2001-2008), Mack Anthem (2018-2023), Mack CX (1998-2005); International 7400 (2002-2020), International 7600 (2003-2017); Western Star 4700SB and 4700SF (2012-2020); Autocar Xpeditor (2008-2022), Autocar DC-64 (2020-2023); Peterbilt 389 (2008-2019). All fitments are rear position.

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Cross References:
Hendrickson: 57241003, Hendrickson: 572413, Hendrickson: 60680003, Western Star: 60680003, Mack: 14QK415M, Mack: 14QK415M7, Mack: 25624241, Mack: 60680003, Peterbilt: 60680003, Mack: 20998400, Mack: 25625241, Sachs: 316833, Navistar: 3515265C1, Volvo Truck: 3971703, Sachs: 471700002861, Neway: 57366648, Hendrickson: 606033, Hendrickson: 60680003L, Hendrickson: 606803, Mack: 660203MT, NAPA Shocks: 66648, Gabriel: 83112, Gold Shock Absorber: 9160983, Automann: A83112, Navistar: AMS660203, FCS: F344345, Bulldog HD: HD12140528, Euclid: M83112, Meritor: M83112, Volvo GM Heavy Truck: RCSA3112, Volvo GM Heavy Truck: SA3112, Alliance Truck Parts: ABPN32G900071, Alliance Truck Parts: ABPN32O900071, Gabriel: 25625241, Dayton Parts: 44183112, Alliance Parts: ABPN32G900071, Alliance Parts: ABPN32O900071, 83112, 66648

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