2020 Western Star 4700 PCV & Breather Components
- WIX®PCV Breather ElementWestern Star 4700 12.8L Canada Built / USA Built 2020, PCV Breather Element by WIX®. Wix Breather Filters remove chemical contaminants and particulate matter from the crankcase. They are made of pleated paper and connected to the...Low air flow restrictionIncludes a pleated paper filter$194.02
- Dorman HD Solutions®Engine Oil SeparatorWestern Star 4700 12.8L 2020, Engine Oil Separator by Dorman HD Solutions®. The Exhaust Back Pressure Sensor accurately and reliably reads the vehicles exhaust pressure, enabling the PCM to control the amount of turbo boost. Dorman's...Direct replacement ensures a proper fit every timeMatches OE fit, form and function$329.72