The Gates emission control hose for 2009–2013 Chevrolet Silverado 5.3L V8 connects the PCV valve to the intake, preserving the designed crankcase ventilation route. This replacement hose routes blow‑by vapors back into the intake for combustion and emissions control. Install it when replacing worn emission hoses to maintain proper engine ventilation and prevent vacuum or oil leaks in the intake plumbing.

Gates 09-13 Chevrolet Silverado V-8 5.3L PCV Valve To Intake Emission Control Hose