The Gates PCV emission control hose for 2014-2021 Chevrolet Silverado 4.3L connects the PCV valve to the intake to route crankcase ventilation as part of emissions control. Described as a PCV valve-to-intake hose for those Silverado years, it provides the specified routing and function and is intended as the replacement hose for the listed applications.

Gates 14-21 Chevrolet Silverado V-6 4.3L PCV Valve To Intake Emission Control Hose