Collection: Auto - PCV Valve

Optimize engine efficiency and prevent oil leaks with our selection of Auto PCV Valve components. At DIY Customs, we provide high-precision replacement PCV valves, specialized breather caps, durable grommets, and heavy-duty ventilation hoses designed for a perfect fit in cars, trucks, and performance builds. Whether you are replacing a clogged valve to cure rough idling and high oil consumption, restoring the emissions system on a classic restoration, or outfitting a high-performance engine with an improved crankcase ventilation setup, our professional-grade hardware offers the pressure regulation and flow control you need at unbeatable prices. From specialized check valves to direct-fit PCV kits for popular domestic and import platforms, we carry the essential gear for every engine maintenance project. Don't see the specific flow rating, fitting size (90-degree/Straight), or specialized grommet for your valve cover? Hit the live chat or call 412-882-8346—we can special order and drop-ship exactly what you are looking for directly to your doorstep!