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1064001268
HongPro
1064001268
A precision-engineered rear shock absorber, crafted with 15+ years of suspension R&D expertise, stabilizes vehicle dynamics by damping spring oscillations post-impact. Adopting dual-tube hydraulic technology with micro-polished inner tubes, it delivers consistent damping force (±5% tolerance) across 0-120Hz vibration frequencies—critical for smoothing bumps and enhancing cornering control. Tested to ISO 16231 standards, it withstands 1M+ compression cycles without leakage and maintains 90% performance after 100,000km. Global aftermarket validation confirms its adaptability to varied road conditions, ensuring durability and safety for diverse light/medium-duty vehicles. A trusted choice for performance-driven replacement needs.
Our core innovation lies in a precision dual-tube hydraulic structure, featuring micro-polished inner tubes to reduce friction by 30% vs. generic alternatives. Rigorous 100% helium leak testing ensures zero oil seepage over the product’s lifespan—a critical fix for premature failure. This design maintains consistent damping force even under heavy loads, eliminating “spongy” rides and keeping the vehicle balanced during sudden stops or potholes.
Engineered to target road vibrations (0-120Hz)—the range where most drivers feel discomfort—our shock absorber delivers ±5% damping force consistency. This tight tolerance suppresses spring oscillations within 1-2 bounces post-impact, reducing body roll by 25% in cornering and cutting brake dive by 18%. Tested by our 15-year R&D team, this precision turns rough roads into smooth, confident drives.
Validated against ISO 16231 (automotive suspension durability), our shock absorber survives 1 million+ compression cycles—50% more than the industry average—with no performance drop. Real-world testing proves it retains 90% of original damping efficiency after 100,000km (vs. 70-80% for competitors). This data-backed toughness minimizes returns for wholesalers and keeps end-users safe on long hauls.
We’ve tested this shock absorber in extreme conditions: -40℃ arctic cold (no stiffness), 120℃ desert heat (no fluid breakdown), and rough cobblestones/wet highways. Backed by feedback from 50+ countries, it performs reliably on light/medium-duty vehicles in diverse markets—making it a fail-safe choice for distributors targeting global aftermarket demand.
Designed with standardized mounting interfaces, our rear shock absorber fits 9 out of 10 non-luxury vehicle rear suspensions—no custom drilling or adapters needed. Our 10-year aftermarket experience optimized dimensions to match common OEM specs, reducing mechanic installation time by 40% and boosting customer satisfaction with hassle-free replacements.
| Parameter Category | Specific Specification | Technical Justification |
| Design & Structure | Dual-tube hydraulic system | Micro-polished inner tube (Ra≤0.4μm) reduces friction by 30% vs. standard tubes; gas-charged design minimizes cavitation for stable damping. |
| Dimensions | Inner tube diameter: Φ28mm; Outer tube diameter: Φ41mm; Total length: 300mm | Optimized for standard aftermarket mounting clearances; 95% fitment compatibility with common rear suspension layouts. |
| Material Composition | Cylinder tube: High-strength seamless steel (SAE 4130); Piston rod: Induction-hardened chromium alloy steel (HRC 58-62); Seals: Fluororubber (FKM) | Corrosion-resistant piston rod withstands 100,000+ km salt-spray testing; FKM seals operate at -40℃ to 150℃ without hardening. |
| Damping Performance | Compression damping force: 150-450N; Rebound damping force: 200-600N; Tolerance: ±5% | Targets 0-120Hz vibration frequencies (primary source of ride discomfort); tight tolerance eliminates inconsistent "soft/hard" feedback. |
| Durability Testing | Compressive cycles: 1,000,000+ (ISO 16231 standard); Leakage test: 5bar helium pressure for 24hrs | Zero oil seepage after 1M cycles; retains ≥90% original damping efficiency after 100,000km real-world simulation. |
| Temperature Stability | Operating range: -40℃ to 120℃; Cold viscosity: ≤10,000cP (-40℃); Thermal bubble resistance: None (120℃) | Arctic-tested for immediate response in sub-zero conditions; desert-tested to prevent fluid degradation at high temps. |
| Certifications | ISO 16231:2019 (Automotive Suspension Components); IATF 16949:2016 | Meets global OEM quality benchmarks for material traceability and process control. |
Here are specific application scenarios of Shock Absorber:
Ideal for navigating city streets with speed bumps, potholes, and frequent stops. Our shock absorber suppresses body roll by 25% in cornering and cuts brake dive by 18%—reducing passenger jolts and driver fatigue. With ±5% damping consistency, it maintains smooth rides even on uneven asphalt, validated by 15 years of urban suspension testing for light-duty vehicles.
Essential for vehicles covering 10,000+ km monthly. Engineered to sustain 90% original damping efficiency after 100,000km, it minimizes steering vibration and keeps the rear axle stable at high speeds (120km/h+). Tested with ISO 16231 load cycles, it prevents "floating" sensations—critical for truck/SUV fleets prioritizing driver comfort and cargo safety.
Performs reliably in -40℃ arctic winters (zero stiffness, instant response) and 120℃ desert summers (no fluid breakdown). Fluororubber seals prevent hardening in heat, while the hydraulic design avoids cavitation in cold—backed by 50+ country field tests. A go-to for distributors targeting markets with harsh seasonal variations.
Perfect for rural areas with gravel, wet pavement, or uneven dirt tracks. Its dual-tube structure dampens high-frequency vibrations (0-120Hz) from rough surfaces, reducing tire wear by 15% and improving traction. Validated across 50+ global markets, it adapts to inconsistent road quality—ideal for aftermarket sellers serving diverse terrains.
Before installing, clean mounting surfaces with a wire brush—this removes rust/debris, eliminating 90% of early leaks (proven in our 10k+ installation trials). Tighten nuts to 45±5Nm using our included torque wrench (ISO-tested to avoid thread damage). Post-install, take a 5-10km test drive: minor ‘clunking’ fades as seals seat (~200km). Quarterly, check dust boots for tears—replace promptly to extend life by 30% (lab-tested). Avoid high-pressure washes; use gentle soap/water. For help, watch our installation videos.
