S101049-3302
Product Details
1. Basic Overview & Core Functional Positioning
The S101049-3302 Front Shock Cushion, also known as the front shock absorber buffer rubber or jounce bumper, is a genuine OEM dedicated suspension component precisely engineered for the Changan CS35 compact SUV series. Installed on the upper part of the front shock absorber rod and located inside the front suspension spring chamber, this rubber buffer part serves as a critical auxiliary damping and anti-collision protection component for the vehicle’s front suspension system. Working in coordination with the front shock absorber and coil spring, it undertakes core functions including extreme stroke buffering, vibration absorption, impact resistance and suspension travel limitation, playing an irreplaceable role in protecting the front suspension assembly and optimizing driving comfort.
Different from conventional shock-absorbing rubber parts that work continuously, this front shock cushion mainly functions under extreme compression conditions. When the vehicle passes through severely bumpy roads, speed bumps or undergoes sudden load compression, the front suspension reaches the limit compression stroke. The S101049-3302 cushion acts as the final buffer barrier to absorb instantaneous strong impact force, avoiding rigid hard contact between the shock absorber base, spring seat and suspension bracket. It effectively prevents direct metal collision of chassis parts, eliminates harsh rigid impact noise, and protects the front shock absorber from compression deformation, oil leakage and structural damage caused by excessive stroke impact. Meanwhile, it assists the shock absorber in filtering subtle high-frequency vibration, improving the vehicle’s low-speed driving smoothness and chassis NVH performance.
The part number S101049-3302 is an exclusive dedicated specification for Changan CS35 front suspension, with unique inner hole aperture, outer diameter size, buffer height and compression density parameters. It perfectly matches the stroke design and assembly size of Changan CS35 original front shock absorbers and coil springs, and cannot be interchanged with shock cushions of other Changan models such as CS35 PLUS, CS75, Eado and Alsvin series. Manufactured in strict accordance with Changan original factory design standards and IATF 16949 international automotive quality system, it solves the common defects of inferior aftermarket cushions such as insufficient elasticity, easy aging and hardening, poor compression resilience and easy permanent deformation, maintaining long-term stable suspension protection performance for Changan CS35.
2. Material Selection & Manufacturing Standards
The S101049-3302 Front Shock Cushion adopts high-performance automotive-grade modified polyurethane (PU) rubber material, which is specially formulated for suspension buffer working conditions featuring frequent compression, instantaneous high impact and long-term outdoor environmental exposure. Compared with ordinary natural rubber and ordinary rubber parts, this high-density polyurethane material has excellent compression resistance, super toughness and outstanding fatigue resistance. It can withstand millions of repeated compression and rebound cycles without structural collapse, permanent deformation or elastic attenuation, fully adapting to the long-term complex road driving conditions of Changan CS35 SUV.
This genuine shock cushion features excellent environmental adaptability and temperature resistance, maintaining stable softness and elasticity in the extreme temperature range of -40°C to 120°C. It will not harden and crack in low-temperature winter environments, nor soften and deform due to high-temperature engine compartment heat and summer sun exposure. In addition, the material has superior aging resistance, oil resistance and dust corrosion resistance, effectively resisting erosion from road dust, muddy water, rainwater and trace oil stains, avoiding surface cracking, pulverization and elastic failure caused by long-term environmental corrosion. The surface adopts smooth finish treatment with uniform density, ensuring consistent compression buffer force and stable stress dispersion effect in all directions.
All finished S101049-3302 front shock cushions pass strict multi-process factory quality inspection and performance testing, including density uniformity testing, compression rebound fatigue testing, high and low temperature aging cycle testing, impact buffer performance testing and dimensional tolerance calibration. Each product strictly follows original factory mold integrated vulcanization molding process, with no internal bubbles, uneven density or dimensional deviation. The standardized production process ensures that every genuine cushion has stable buffer performance, long service life and consistent assembly accuracy, fully meeting the long-duration and high-reliability operation requirements of Changan CS35 front suspension system.
3. Structural Composition & Working Principle
The S101049-3302 Front Shock Cushion adopts a mature integrated cylindrical buffer structure with precision inner hole positioning, which is the standard matching structure for Changan CS35 front suspension shock absorber assembly. The overall structure is compact and highly targeted, mainly composed of high-density elastic buffer main body, precise inner mounting hole and anti-tear reinforced outer wall. The overall height, inner diameter and outer contour are strictly calibrated according to the front shock absorber rod diameter and suspension limit stroke of Changan CS35, realizing zero-gap accurate assembly and stable positioning without offset or loosening during operation.
Its core working principle is based on elastic compression energy absorption and limit stroke protection. Under normal daily driving conditions with flat roads and small vibration, the cushion remains in a free state and does not participate in conventional damping, ensuring the original suspension damping texture and flexible road feedback of the vehicle. When the suspension is compressed to the limit stroke due to road impact or heavy load, the shock cushion is squeezed and deformed to generate strong elastic buffer force. It converts instantaneous rigid impact kinetic energy into elastic potential energy for gradual release, effectively slowing down the compression speed of the shock absorber, limiting the maximum compression stroke of the suspension, and completely avoiding hard collision between internal metal parts of the front suspension.
The optimized thickened wall structure and gradient density design of the cushion realize progressive buffer performance. In the early stage of compression, it provides soft buffering to reduce impact harshness; in the later stage of limit compression, the density increases rapidly to form rigid support, effectively protecting the shock absorber, spring seat and chassis bracket from damage. The precise inner hole positioning design ensures that the cushion moves synchronously along the shock absorber rod during compression and rebound, avoiding eccentric wear, skew and dislocation, maintaining stable buffer effect and structural integrity throughout the service life.
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