OTR Heavy Duty Shock Absorber for International Rear Axle. This heavyduty shock is engineered for use on International commercial trucks with rear air spring and taper leaf suspension systems in Class 6“8 applications. The unit is gascharged and features loopandsleeve style mounting at both ends to control axle movement under load. Designed for the specific dynamic loads of heavy vocational and onhighway duty, the shock absorber helps manage axle oscillation and wheel hop that accelerate tire and suspension wear. By providing consistent damping through repeated cycles, it maintains more stable axle control during braking, acceleration, and variable cargo conditions. For fleets, that translates into measurable operational benefits: reduced frequency of suspension component replacements, more even tire wear profiles, and fewer service interventions related to axleinduced damage. Installation uses common loopandsleeve attachment points found on many International rear suspensions, enabling direct replacement without suspension modification when matched to the correct fitment. The shocks damping characteristics are tuned to the mass and loading patterns of medium and heavyduty trucks, so it sustains consistent performance across route cycles and payload variations. Specifying this shock for scheduled maintenance or targeted repair addresses the root cause of unstable axle behavior rather than repeating bandaid repairs, which helps extend preventive maintenance intervals and supports predictable maintenance planning. Units are intended for professional installation and alignment within the vehicle manufacturers recommended service procedures. Use of a correctly matched heavyduty shock delivers a tangible reduction in vibrationrelated wear on tires and suspension hardware, improves vehicle stability under load, and supports uptime goals for highutilization fleet equipment.
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