Front Cab Suspension Spiral Spring Shock Absorber Assembly (811W41722-6021) for Sinotruk HOWO A7 & Sitrak Series

The811W41722-6021 Front Suspension Spiral Spring Shock Absorberis a critical component for operators of Sinotruk HOWO A7 and Sitrak trucks. Engineered specifically for the L15 and H77 series cabs, this integrated assembly combines a high-tension helical spring with a precision-valved hydraulic damper.

Technical Specifications

• OEM Part Number: 811W41722‑6021
• Application: Front Cab Suspension, Sinotruk HOWO A7 heavy truck
• Construction: Integrated hydraulic damper + heavy‑load coil spring + rubber mounting bushings on both ends
• Main Material: High‑strength alloy steel, high‑durability natural rubber
• Gross Weight: 4.3 kg per unit
• Condition: Brand new aftermarket replacement part
• Fitment note: Cross‑check your original part number before ordering; compatible with related part series 811W41722‑6022 / 811W41723‑6021
• Warranty: 6‑month against manufacturing defects

We supply this cabin shock absorber to truck repair shops, fleet operators and overseas spare‑parts dealers. Each piece goes through basic pressure‑damping testing before packing. Fast worldwide shipping can be arranged for bulk or small‑order requests.