The Gates emission control hose for 2001–2005 Volkswagen Passat 1.8L connects the secondary air pump to the pipe as a replacement emission control hose, restoring the intended routing for emissions hardware. Specified for that four‑cylinder 1.8L Passat application, the hose helps return proper secondary air pump plumbing and supports the vehicle's emission control path as routed from the factory.

Gates 01-05 Volkswagen Passat 4-Cyl. 1.8L Secondary Air Pump To Pipe Emission Control Hose