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Product Description

Part Number:20781438 .
Fitment : Compatible with 2011-2021 GMC Chevrolet.

Shock absorption buffer block
Limit protection:
When the suspension system is severely compressed, the buffer block is compressed to prevent excessive compression of the spring or shock absorber, which may cause direct collision of metal components (control arm, frame) and avoid mechanical damage.
Absorbing impact: dispersing road impact force through elastic deformation, reducing vibration transmitted to the vehicle body, and improving ride comfort.
Dust prevention and sealing: Some buffer blocks integrate dust cover function to protect the shock absorber piston rod from erosion by mud, water vapor.
Function
Improving driving comfort: Through its elasticity and non-linear characteristics, the buffer block can cushion and filter the impact, making the vibration of the vehicle smoother during driving, reducing the bumps and shaking felt by passengers, and increasing the stability and comfort of the vehicle.
Reduce noise: It can reduce direct friction and collisions between components such as shock absorbers and springs, thereby reducing the noise generated during driving and creating a quieter interior environment
Material
Polyurethane material
Features: Lightweight texture, with a mass approximately half that of a rubber cushion block of the same size. It has good compression deformation performance and can produce significant deformation when subjected to impact, in order to better absorb and disperse energy. It can provide corresponding buffering force according to different impact strengths, and can effectively play a buffering role in various road conditions. The porous structure inside gives it a certain degree of breathability, which helps with heat dissipation and reduces performance degradation caused by temperature rise. It also has good oil resistance, water resistance, and corrosion resistance.
Maintenance suggestions
Check the status of the buffer block every 2 years or 40000 kilometers, and replace it promptly if cracks or collapses are found.
When replacing the buffer block, priority should be given to using polyurethane material to enhance durability.
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