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1014001676
HongPro
1014001676
This professional-grade rear shock absorber is engineered to deliver unmatched stability and control. It effectively manages the oscillations of the vehicle's rear springs, ensuring the tires maintain constant contact with the road. This is crucial for safe braking, stable cornering, and a smooth ride, especially when carrying heavy loads or traversing uneven surfaces.
Manufactured to exceed strict OE specifications, each unit is pressure-tested and subjected to over 1.5 million cycles of endurance testing to guarantee long-term, leak-proof performance. Key features include a large-diameter piston rod for increased strength, advanced sealing technology to resist wear, and precision valving optimized for superior damping control. This direct-fit replacement is the reliable choice for restoring your vehicle's original safety and comfort.
Specifically engineered to handle the demands of rear vehicle load-bearing, this rear shock absorber features an oversized piston rod (up to 14mm in diameter) and a thickened cylinder tube, significantly enhancing anti-bending strength and durability. Its internal structure is optimized to effectively control body squat and maintain driving stability even under maximum load conditions, ensuring safety when carrying heavy loads or towing.
We have developed unique compression and rebound damping curves specifically for the rear shock absorber. Compared to standard products, it absorbs road impacts more softly during the compression phase while more quickly suppressing body sway during the rebound phase. This tuning significantly reduces the sensation of bumpiness and longitudinal oscillation, whether the vehicle is laden or unladen, providing a smoother, more comfortable ride for all passengers.
Rear shock absorbers are more exposed to corrosive elements like mud and road salt. We employ a dual-layer coating (zinc + chrome) piston rod that withstands over 500 hours in salt spray testing, far exceeding standard requirements. Coupled with a precision multi-lip seal ring assembly, it effectively prevents fluid leakage and contaminant ingress, ensuring long service life and consistent performance even in harsh environments.
Each rear shock absorber undergoes 100% performance testing to ensure its mounting dimensions and damping performance precisely match Original Equipment (OE) specifications for a hassle-free replacement. Our manufacturing system is certified under the IATF 16949 international quality standard, with full process control from raw materials to finished product, delivering reliable, ready-to-install components of consistent quality.
| Parameter Category | Specification Details | Standards / Notes |
| Product Identification | Type: Twin-Tube, Gas-Charged | Position: Rear Axle |
| Physical Dimensions | Extended Length: 550 ± 3 mm Compressed Length: 350 ± 3 mm Total Stroke: 200 mm Upper Mounting: 12 mm Eyelet Lower Mounting: 22 mm Eyelet | Custom lengths available upon request. |
| Performance Data | Damping Force (Rebound): 980 N ± 40 N @ 0.52 m/s Damping Force (Compression): 450 N ± 35 N @ 0.52 m/s Operating Temperature Range: -40°C to +120°C | Tested per SAE J343 standards. |
| Material & Construction | Piston Rod Diameter: 14 mm, High-Strength Steel with Duplex Coating (Zinc + Chrome) Cylinder Tube: Seamless Steel, 36 mm outer diameter Hydraulic Fluid: High-Temperature Stabilized Oil | Salt Spray Resistance: > 500 hours (ASTM B117). |
| Quality & Certification | Endurance Cycle Test: > 2.2 Million Cycles (Simulating heavy-duty use) Leakage Test: 100% tested, zero leakage requirement Quality System: IATF 16949:2016 Certified Manufacturing | Ensures longevity and reliability under strenuous conditions. |
Here are specific application scenarios of Shock Absorber:
When vehicles are regularly used for carrying goods, tools, or towing light trailers, the rear shock absorbers endure significant stress. Our product, with its reinforced structure (e.g., 14mm piston rod) and optimized damping force, effectively suppresses body sag, maintains rear wheel traction, and ensures braking stability and handling safety under heavy loads, preventing dangers caused by insufficient support.
For users who prioritize ride comfort, especially when frequently carrying family members in the rear seats, the performance of the rear shock absorbers is crucial. It efficiently filters out minor vibrations from the road surface, significantly reducing body roll and after-shake, providing a smoother and more peaceful riding experience for all passengers, making it ideal for long journeys and daily family commutes.
Vehicles frequently driven on poor road conditions like potholes or gravel roads pose a severe test to the durability of rear shock absorbers. Our product, having undergone over 2 million cycles of endurance testing and featuring advanced anti-corrosion technology, can withstand continuous impacts, effectively control wheel hop, and protect the vehicle's chassis and cargo from damage, making it a reliable choice for commercial and multi-purpose vehicles.
When original rear shock absorbers show signs of wear such as fluid leakage, noise, or poor handling due to age, replacing them with our high-quality product immediately restores the vehicle's overall stability. Its OE-standard mounting points ensure direct installation, helping repair shops and DIY owners quickly and reliably solve vehicle issues, thereby enhancing customer satisfaction.
For optimal performance and safety, we recommend professional installation. Prior to fitting, inspect the new unit for any shipping damage. Always replace rear shock absorbers in axle pairs (both left and right) to maintain balanced handling and stability. Use a torque wrench to tighten mounting nuts to the specified value (typically 60-80 N·m) to prevent damage. After installation, a wheel alignment is essential to ensure proper tire contact and vehicle geometry. Avoid gripping or damaging the piston rod during handling.
