Doc’s Diesel CCV Filters

Why Are CCV Filters So Important?

Your CCV (crankcase ventilation) filter plays a critical role in keeping harmful oil mist and vapors out of your intake system. Without it, oil buildup can coat your intercooler, restrict airflow, and cause costly engine damage. Doc’s Diesel CCV filters are designed to capture contaminants before they cause trouble, helping your truck run stronger for longer. Whether you’re running a RAM Cummins, Duramax, Powerstroke, or EcoDiesel, Doc’s CCV filters are designed to keep your engine going strong.

Our CCV Filters Meet or Exceed OEM Standards

Every Doc’s Diesel CCV filter is engineered with the same (or better) standards as factory parts. That means dependable performance, no shortcuts, and the protection your engine deserves, whether you’re driving, towing, or hauling heavy.

Protect Performance and Fuel Economy

A clean CCV filter isn’t just about preventing damage, it also helps your truck run more efficiently. By keeping oil mist out of the intake, you’ll see smoother operation, less strain on the engine, and better long-term fuel economy.

Backed by Doc’s Diesel Fitment Guarantee

Shop by engine type and get the exact CCV filter that fits your vehicle. No guesswork. No hassle. Every CCV filter comes backed with Doc’s fitment guarantee, so you know you’re getting the right part for your truck. From Duramax to Cummins to Powerstroke, we carry CCV filters for the most trusted diesel platforms. Each filter is built tough to keep your engine clean and your truck running the way it should.

Get Rewarded With Doc’s Diesel Diehard Loyalty Club

Keep oil mist out of your intake and protect your engine with Doc’s Diesel CCV filters. With OEM-level quality, guaranteed fitment, and free shipping on orders $99+, it’s the easiest way to keep your truck on the road and out of the shop. While you’re at it, sign up for Diesel Diehard Loyalty Club, and start earning rewards toward new gear, filters, oil kits, whatever you need.