Cabin Front Suspension Shock Absorber CS-77 02 0120

Core Adaptation Information

Compatible Vehicle Models:
- SINOTRUK HOWO: T7H, A7, T5G, C7H series heavy-duty trucks/tractors/dump trucks
- SINOTRUK SITRAK: Partial models with the same front suspension structure
Cross-Reference Models: WG1664430103, WG1664430201 (same series front suspension air springs)
Applicable Scenarios: Maintenance and replacement for damaged, leaking, damping-failed or performance-declined cabin front suspension air springs
Matching Relationship: OEM direct supply/aftermarket replacement, fully compatible with original front suspension systems

Detailed Technical Parameters

Air Bladder Material4-ply reinforced chloroprene rubber (CR), oil-resistant, ozone-resistant, anti-aging
Damping TypeSingle-acting gas-charged hydraulic damping
Maximum Working Pressure8–10 bar (116–145 psi)
Operating Temperature Range-40℃ ～ +80℃
Mounting ThreadM16×1.5 high-strength bolts at both ends
Assembly WeightApproximately 3.2–3.5 kg
Free LengthApproximately 450 mm (±10 mm)
Compression StrokeApproximately 130 mm
Sealing StructureBuilt-in rubber sealing ring + metal gasket, zero-leakage design
Fatigue Life≥ 300,000 cycles (per OEM test standard)
Fastener GradeGrade 8.8 galvanized high-strength steel, rust and corrosion resistant

Core Product Advantages

OEM-Grade Matching: Strictly replicates the original AZ1664430120 dimensions and performance, direct installation without debugging, improving installation efficiency by 50%.
Superior Shock Absorption & Comfort: Flexible buffering of air spring combined with precise vibration control of hydraulic damping, greatly reducing cabin jolts and noise, alleviating long-haul driving fatigue.
Durable & Heavy-Duty Design: 4-ply reinforced rubber air bladder resists heavy loads, impacts and harsh working conditions, with anti-aging and tear-resistant performance far exceeding ordinary aftermarket parts.
Cost-Effective Maintenance: Integrated assembly design allows replacement of only the damaged component, eliminating the need for full front suspension disassembly and reducing labor and parts costs.
Full-Working-Condition Adaptability: Withstands extreme cold, high temperature and oil contamination environments, suitable for logistics, engineering, mining and other heavy-duty truck operation scenarios.
Global Quality Certification: Complies with ISO 9001/IATF 16949 standards, ensuring stable performance and market access in major regions worldwide.

Applicable Scenarios

Long-Haul Logistics Trucks: Improve cab comfort and reduce driver fatigue in trunk line transportation and cross-border logistics.
Engineering/Mining Vehicles: Adapt to rugged roads and heavy-load working conditions for dump trucks, mixers and mining dump trucks, enhancing front suspension reliability.
Fleet Maintenance: Regular replacement of worn or failed cabin front suspension components to maintain vehicle operation performance.
Emergency Road Repairs: Quick replacement for air spring leakage or damage, minimizing vehicle downtime and ensuring fleet operation efficiency.
Parts Distributors/Repair Shops: Core maintenance parts for SINOTRUK HOWO series models, suitable for mainstream heavy-duty truck repair scenarios.

Brand & After-Sales

Brand Guarantee: Produced by Raexon, relying on the integrated production capacity of industry and trade, strictly following international commercial vehicle parts production standards, focusing on the R&D, production and sales of commercial vehicle parts, and cooperating with well-known international brands to create high-quality parts with trustworthy quality.

After-Sales Guarantee: The product enjoys perfect after-sales guarantee service. For quality problems caused by non-human damage within the warranty period, free maintenance or replacement services can be provided. At the same time, professional technical consultation and installation guidance are provided to solve various problems encountered by customers in the use process, supporting bulk order customization and foreign trade export adaptation services.