Product Introduction
2905110-J08 Smooth-Riding Corrosion-Resistant Precision-Engineered Shock Absorber for Great Wall Motor
Crafted for multi-purpose vehicles, our shock absorbers deliver precision damping via dual-tube hydraulic design, curbing spring oscillations and body roll to enhance cornering stability. Rigorously tested over 1,000 hours on dynamometers and 300,000 km road trials, they maintain ≤5% damping force decay after 100,000 km (SGS-certified). Backed by 15 years of OEM experience for global automakers, we adhere to ISO 16949 standards. Engineered for diverse road conditions, they balance ride comfort with handling safety—trusted by aftermarket professionals worldwide.
Product Advantage
1. Precision Damping via Dual-Tube Hydraulic Engineering
Our core technology uses a separated dual-tube design—gas chamber above oil reservoir—to eliminate foaming and maintain consistent damping force even under heavy payloads or repeated bumps. SGS-certified to retain ≤5% performance decay after 100,000 km (30% better than aftermarket averages), this reduces body roll by 20% during cornering and shortens braking distance variance by 15%. Ideal for clients prioritizing long-term handling reliability.
2. Global Road-Ready Durability
Engineered for diverse climates and terrains, we subject units to 300,000+ km of real-world trials—from -40°C Arctic cold to 85°C desert heat, and potholed urban roads to gravel offroads. Accelerated wear tests show a 98% survival rate, with seal leakage and fluid degradation rates <0.1%. This ensures your customers get shocks that perform whether they’re driving in Southeast Asia’s monsoons or Eastern Europe’s ice.
3. ISO 16949-Certified OEM-Grade Quality
With 15 years of OEM experience for leading automakers, we adhere to strict ±0.01mm tolerances on piston rods and valve systems—backed by 100% functional testing per unit. Our factory’s defect rate is <0.05% (vs. industry 0.2%), ensuring every shock matches OE fitment and performance without premium pricing. Clients trust us for traceable, compliant products that align with their brand’s quality promise.
4. Balanced Comfort & Control for Everyday Use
Unlike budget shocks that prioritize stiffness over ride quality, our fluid dynamics optimize for 25% less brake dive and 15% smoother bump absorption. Independent testing confirms reduced body motion by 18% when hitting speed bumps—making daily drives comfortable while retaining sharp cornering grip. This “best-of-both-worlds” performance drives word-of-mouth from end-users and repeat orders from aftermarket sellers.
Technical Parameters
| Parameter Category | Specification | Technical Advantage |
| Structure Type | Twin-Tube Gas-Charged Hydraulic Design | Separated gas chamber prevents oil foaming; dual-tube architecture optimizes damping force distribution for stable cornering and reduced body roll. |
| Dimensional Specifications | Length: 320-450mm (customizable per application)
Diameter: Φ28-Φ42mm
Thread Interface: M16x1.5 / M20x1.5 (ISO 11446 standard) | Adaptable to diverse suspension setups; standardized threads ensure quick installation and aftermarket compatibility. |
| Performance Metrics | Compression Damping Force: 1,500-3,500N (adjustable valve settings)
Rebound Damping Force: 2,000-4,500N
Response Time: ≤15ms
Operating Temp: -40℃ to 120℃ | Wide damping range adapts to rough roads/potholes (high damping) and smooth highways (low damping); ultra-fast response minimizes weight transfer during sudden maneuvers. |
| Durability & Longevity | 100,000km Service Life (SGS-certified)
Damping Force Decay: ≤5% post-100,000km
Seal Leakage Rate: <0.1% (accelerated aging test) | Outperforms aftermarket average (15% decay) via hardened chrome-plated piston rods (SCM435 steel, HRC58-62) and PTFE dual-lip seals. |
| Material & Manufacturing | Cylinder Tube: Cold-drawn seamless steel (STKM13C, 2.5-3.5mm wall thickness)
Piston Rod: SCM435 alloy steel with hard chrome plating
Fluid: Low-viscosity synthetic hydraulic oil (SAE J1275 compliant) | High-strength materials resist deformation under heavy loads; synthetic oil maintains viscosity across temperature extremes for consistent damping. |
| Certifications & Testing | ISO 16949:2016 Certified Factory
SGS 1,000-Hour Bench Test (simulates 300,000km road conditions)
Salt Spray Test: ≥500 hours (ASTM B117) | Compliant with global automotive quality standards; third-party validation ensures reliability for international markets. |
Product Uses
Here are specific application scenarios of Shock Absorber:
1. Urban Daily Commuting
Designed for high-frequency city roads, our shocks pass SGS 100,000-time speed bump tests—reducing brake dive by 22% and filtering 90%+ road vibrations via twin-tube hydraulics. With ≤15ms response, they minimize body shake during start/stop, easing passenger fatigue for daily commutes between residential areas and workplaces.
2. Rural-Urban Mixed Roads
Built for gravel-pothole to asphalt transitions, they use chrome-plated piston rods (HRC58-62) and PTFE seals—withstanding 500,000 impact cycles without leakage. 300-hour gravel road tests prove stable damping, cutting chassis noise and ideal for vehicles shuttling between villages and county towns.
3. Long-Distance Highway Travel
Optimized for cross-province trips, ISO 16949-certified tests show 18% less body roll on curves. Low-viscosity synthetic oil retains performance from -40℃ to 120℃, preventing fade on long hills—ensuring consistent handling and safety during 8+ hour drives.
4. Light Payload Scenarios
Supports roof racks (≤50kg) or rear full loads—thicker seamless steel cylinders and responsive valves keep damping force decay <8% (30% better than market average). 150kg static load tests limit body sag, avoiding cargo jolts or suspension overload for family camping or small business deliveries.
5. Extreme Climate Adaptation
Works globally: ASTM B117 salt spray test ≥500 hours resists corrosion; -40℃ cold starts smoothly, while 85℃ desert heat won’t swell seals. Perfect for northeast winter snow, northwest desert heat, or southeast Asian monsoons—delivering year-round reliability for multi-region fleets.
Product Operate Guide
Install with M16x1.5/M20x1.5 ISO-standard threads (torque: 45-55Nm)—our SGS tests show this reduces early seal leaks by 30%. Avoid high-speed impacts for 100km post-fit to let seals seat. Regularly inspect dust boots for cracks; our PTFE seals last 100,000km with basic care. Follow these to maximize ride comfort and part longevity.
