The Monroe® Magnum® Rear and Front 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.

A wide-coverage multi-position Magnum shock for Chevrolet, GMC, Isuzu, and LCF medium-duty 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: Chevrolet C5500 Kodiak (1991-2009, rear), Chevrolet C6500 Kodiak (1990-2009, rear), Chevrolet C7500 Kodiak (1997-2002, rear), Chevrolet C60, C70 Kodiak (1990-1996, rear), Chevrolet B7 (1993-1998, rear); GMC C5000, C6000, C7000 Topkick (1990-2002, rear), GMC B7 (1993-1998, rear); Isuzu FTR and FVR (1990-2011, rear), Isuzu FSR (1997-2002, rear); Chevrolet LCF 6500XD (2018-2020, front); Isuzu FTR (2018-2020, front). All positions noted per model.

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Cross References:
Chevrolet: 15174902, Chevrolet: 22064232, Chevrolet: 88982686, GMC: 15174902, GMC: 22064232, GMC: 88982686, Isuzu: 15174902, Isuzu: 8220642320, Isuzu: 88982686, General Motors: 15174902, General Motors: 15200621, PRT HD: 170263, General Motors: 22064232, General Motors: 22064233, ACDelco: 50787, Neway: 57366626, Mack: 660187, Monroe Shocks & Struts: 660187, Mack: 660187MT, NAPA Shocks: 66626, Gabriel: 85049, Gabriel: 85071, General Motors: 88082686, General Motors: 88982686, Gold Shock Absorber: 9161028, Navistar: AMS660187, Bulldog HD: HD12140561, Meritor: M85071, KYB: 341625, KYB: 345601, KYB: 346603, KYB: 346604, Mack: 170263, GMC: 22064233, GMC: 88082686, GMC: 98321912, Isuzu: 8983219121, 66626

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