The Monroe® Magnum® Rear Suspension Shock Absorber for class 6-8 vehicles is the first gas-charged, large-bore shock for air spring and taper leaf suspensions. The nitrogen gas charge provides the fast response essential for today's heavy-duty truck suspension systems.

A comprehensive rear Magnum shock for International trucks, buses, and vocational vehicles spanning several decades, 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 6-8 trucks and buses.
• Consistent Ride: All-weather fluid with special additives handles extreme temperatures; larger 2-3/8-in. reserve tube holds more fluid (most applications).
• Exceptional Handling: 10-Stage valving tuned per vehicle; larger 1-3/4-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: Exceptional control isolating 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: International 1452SC, 1652SC (1986-1992), International 2275, 2554, 2574, 2674 (1979-2003), International 3700, 3800, 3900FC (1987-2004), International 4600, 4700, 4800, 4900 (1990-2003), International 7100 (1990-1995), International 8100, 8200, 8300 (1989-2003), International 9300, 9400, 9600, 9700, 9800 SBA, 9900i, 9900ix (1989-2018), IC Corporation RE School Bus (2003-2018). All fitments are rear position.

---

Cross References:
International Harvester (IHC): 2018987C1, Batco: 1085003, Batco: 1085005, Navistar: 1590035C1, Navistar: 1675455C1, PRT HD: 170139, Navistar: 2018987C1, Navistar: 2018987C2, KYB: 341623, Navistar: 3892445C1, Volvo GM Heavy Truck: 3919594, Navistar: 501553C91, Neway: 57306720, Neway: 57365409, Neway: 57374420, Navistar: 600101, Mack: 600101, Mack: 600101MT, Monroe Shocks & Struts: 601101, Mack: 650409MT, Monroe Shocks & Struts: 651409, NAPA Shocks: 65409, Monroe Shocks & Struts: 66720, Monroe Shocks & Struts: 6720, Gabriel: 680185, Gabriel: 68018540Y, Paccar Parts: 680238, Gabriel: 68023840Y, Gabriel: 68024240Y, Gabriel: 68028140Y, Mack: 700418MT, Monroe Shocks & Struts: 70600, Gabriel: 728603, Gabriel: 85003, Koni: 881562, Gabriel: 89411, Gold Shock Absorber: 9180152, Automann: A85003, Automann: A89411, Navistar: AMS600101, Navistar: AMS650409, Motorcraft: CAX720, Euclid: E85003, FCS: F347266, Bulldog HD: HD12150028, Nuturn/leland: L57646, Dayton Parts: M65409, Meritor: M85003, Meritor: M89411, Volvo GM Heavy Truck: RCSA5003, Volvo GM Heavy Truck: SA5003, Navistar: 57306720, Dayton Parts: 44185003, 85003, 65409

---