The Gates emission control hose for 2004–2006 Chevrolet Colorado with the 3.5L five‑cylinder links the valve cover to the intake tube, routing crankcase vapors back into the intake. As a factory‑style replacement, it restores the original ventilation path when the stock hose becomes cracked or loose, helping to maintain emissions routing and prevent vacuum-related drivability issues.

Gates 04-06 Chevrolet Colorado 5-Cyl. 3.5L Valve Cover To Intake Tube Emission Control Hose