2017 Peterbilt 337 PCV & Breather Components
- Baldwin Filters®Crankcase BreatherPeterbilt 337 6.7L 2017, Crankcase Breather by Baldwin Filters®. Baldwin crankcase ventilation filters reduce blow-by, which is generated by combustion gases leaking past piston rings, producing oil droplets that would otherwise...High quality at an affordable priceExpertly made from premium materials$70.19 - $79.38