AIR SPRING 4185 NP 21

The air spring 4185 NP 21 (9423203021ALT) is a high-quality pneumatic suspension bellows manufactured by Continental ContiTech, designed for rear right installation and suitable for Mercedes-Benz Atego, Atego 2 and Atego 3 models from 1998 onwards. As a critical component of the air suspension system, this air bag maintains correct ride height, enhances driving comfort and ensures stable vehicle handling under varying load conditions. With an approximate weight of 8.1 kg and a durable rubber-reinforced construction, it is engineered for demanding commercial vehicle applications. Its precise fit ensures reliable air tightness and straightforward installation, supporting long service life of both the air spring and the complete suspension system.