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The Gates oil separator-to-PCV emission control hose for 2011–2016 Chevrolet Silverado 6.6L V8 diesel connects the oil separator to the PCV system to support crankcase ventilation and emissions routing. It maintains sealed flow between components to help prevent vacuum leaks and contamination of intake plumbing. Replace a failing hose to restore proper oil-separation and PCV routing on affected diesel engines.
Gates 11-16 Chevrolet Silverado V-8 6.6L Diesel Oil Separator To PCV V Emission Control Hose