021 131 119 A : Secondary air pump adapter for Volkswagen Passat B4

This secondary air pump adapter is a replacement part intended for the Volkswagen Passat B4. As part of restoring or maintaining a classic vehicle, proper operation of the secondary air injection circuit is essential to ensure mechanical compliance of the engine. This adapter makes it possible to restore a reliable connection between the system components, thus guaranteeing the integrity of the assembly. A new part essential for enthusiasts keen on maintaining their Volkswagen Passat B4 in a condition consistent with the original.