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Applicable to Dongfeng Tianlong Cab Shock Absorber Suspension Complete Assembly 5001085-C0302

The Shock Absorber Suspension Assembly is a core structural and damping component within a vehicle’s chassis system, responsible for controlling spring oscillations, maintaining tire contact with the road surface, and ensuring ride comfort, stability, and safety. Used across front and rear axles in both independent and rigid axle suspensions, this assembly typically integrates one or more hydraulic or gas-charged shock absorbers, mounting hardware, bushings, and sometimes auxiliary springs or linkage components.

Designed to withstand millions of dynamic cycles under extreme loads and harsh environments—from pothole impacts to continuous highway vibration—this unit plays a vital role in vehicle handling, braking performance, tire wear, and driver fatigue reduction.
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  • 5001085-C0302

  • Dongfeng

Attribute Description
Part Type Shock Absorber Suspension Assembly
Common Names Damper Unit, Suspension Strut, Vibration Dampener
Application Vehicle Heavy-Duty Trucks, Buses, Medium-Duty Vans, Trailers
Axle Position Front Axle / Rear Axle / Twin Steer / Pusher Axle
Suspension Type Leaf Spring, Air Suspension, Parabolic Spring, Rigid Beam
Main Component Hydraulic/Gas-Charged Shock Absorber(s)
Mounting Style Bolt-on top and bottom mounts with rubber/metal bushings
Working Principle Converts kinetic energy into heat through fluid resistance
Design Standard Complies with ISO 13829, GB/T 17640, SAE J2805
减震器悬挂总成-3


减震器悬挂总成-1


Parameter Specification
Damping Type Double-Tube or Mono-Tube Gas/Oil-Filled
Operation Mode Rebound & Compression Controlled
Stroke Length 180 mm – 350 mm (varies by model and axle position)
Working Temperature Range -40°C to +120°C
Durability Life ≥500,000 cycles (under standard load testing)
Corrosion Resistance Zinc-plated or Dacromet-coated; >720 hours salt spray test (ASTM B117)
Seal Quality Nitrile rubber seals; dust boots included to prevent contamination
Installation Torque (Typical) Top Mount: 45–65 N·m
Bottom Eye Bolt: 80–120 N·m
Service Interval Inspect every 30,000–50,000 km; replace based on condition
Weight (Approx.) 3–8 kg per unit (depending on size and design)


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