Helps prevent air leakage and maintain stable internal temperature，Reduces outside interference and brings quieter driving surroundings. For G W460 W461 W463 Rear Door-Edge Weatherstrip Rubber Gasket 4637400278 Weather resistant rubber compound features anti-aging, cold and heat resistance, staying crack-proof and shape stable for long time use. When the door opens or closes, it effectively disperses the impact force between metal parts, minimizing noise. Tightly covers gaps to stop impurities from entering the car，Buffers slight vibration and collision between adjacent automotive components., Manufacturer: HRQCTIM