1988 Western Star 4900 PCV & Breather Components
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- WIX®PCV Breather ElementWestern Star 4900 10.5L USA Built 1988, 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 breather tube. These...Low air flow restrictionIncludes a pleated paper filter$158.75