The Gates emission control hose for 2012-2013 Volkswagen Jetta 4-cyl 2.0L connects the oil separator to the intake to route separated crankcase vapors into the intake tract. It replaces cracked or plugged separator hoses that cause poor ventilation or oil carryover. Installing the proper replacement restores sealing and helps reduce oil contamination and emissions-related faults.

Gates 12-13 Volkswagen Jetta 4-Cyl. 2.0L Oil Separator To Intake Emission Control Hose