Genuine OEM Citroen Air Filter Elastic Dowel, part number 9817266180. This small but essential component plays a crucial role in the air intake system by securely fastening and aligning various parts of the air filter housing. Its elastic properties allow for proper sealing and vibration dampening, preventing unfiltered air from entering the engine and reducing noise. This dowel is designed for a precise fit within the air filter assembly. Choosing a genuine OEM elastic dowel ensures the correct material elasticity and dimensions, which are vital for maintaining the integrity of the air filter housing seal and protecting the engine from contaminants.