OTR Heavy Duty Shock Absorber for Freightliner and Western Star Trucks. This heavy-duty shock absorber is engineered for Class 6“8 vehicles with air spring and taper-leaf front suspension architectures, addressing the dynamic control demands of modern vocational and highway trucks. The unit provides consistent hydraulic damping to manage vertical wheel movement, helping maintain tire contact with the road surface under load and during suspension travel. By stabilizing wheel motion, the shock absorber supports more consistent braking performance and reduces the rate of uneven tire wear compared with worn or ineffective damping components. For fleet operations, that translates into more predictable tire replacement intervals and lower tire-related operating cost per mile. The design emphasizes durability for commercial use, with seals and valving calibrated to resist fade and maintain damping force over extended duty cycles. Reduced vibration and controlled axle movement also lessen stress on steering and suspension linkages, which can decrease the frequency of related repairs and unscheduled roadside events. Installation fits common Freightliner and Western Star applications mapped to the products application list, enabling straightforward in-shop replacement workflows and inventory pairing. Service technicians benefit from a unit that returns stable damping immediately after fitment, restoring vehicle handling characteristics and helping vehicles return to revenue service faster. When specified as a like-for-like replacement for compatible Freightliner and Western Star trucks, this shock absorber helps fleets manage total cost of ownership by improving component life, stabilizing braking behavior, and reducing vibration-related maintenance. The product is intended for professional installation and regular inspection as part of a preventive suspension maintenance program.
Designed to offer protection of the seal assembly and over-extension of airbags
Improved ride and handling with nitrogen gas charge that sustains tire-to-road contact
Enhanced performance with contained additives assisting with extreme temperatures while reducing oil breakdown
Valving adjusts to road extremes
Larger bore provides more consistent control
Quick response with nitrogen gas charge
Bearing reduces abrasion between rod and rod guide, combined with a robust piston rod providing strength for longer service life
Built to handle the demands of hard-working class 6-8 trucks and buses
For Freightliner, Sterling, and Western Star applications
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