Aftermarket Diesel Emissions & Engine Parts

We stock a wide range of quality aftertreatment and high-performance diesel parts for your vehicle - including: DFPs, DOCs, SCRs, complete assemblies, One-Boxes, DPF gaskets & clamps, weld bungs, sensors of all kinds, and more. We also feature pro-level Diesel Particulate Filter Cleaning machines by Filtertherm, and are expanding into diesel truck parts as we find great deals to pass on to you.

DPF Parts Direct.com offers fast shipping; items typically ship out on the same day* or next business day for in-stock orders placed by noon PST. *More details here.

Our return policy is 30 days (from date of purchase)*. To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. *More details here. Some items are non-returnable as listed on their product page.

Do they have multiple warehouses packed to the ceiling with 1000s of quality aftertreatment parts ready to ship - the same frikin’ day in most cases? Probably not. We also have U.S.-based parts experts ready to help you with the right part selection and/or ordering questions. Ordering online or by phone at DPF Parts Direct is safe, secure, and easy.

We have replacement parts from established aftermarket diesel parts brands such as Redline Emissions Products, DPFXFit/GESi, Skyline, W&L Inc., etc. We also have new OEM parts for many truck manufacturers (Cummins, CAT, Detroit, International, Peterbilt, Freightliner, etc.)

If you’re looking for wholesale, volume discounts, just reach out to us via phone (+1 844.394.4590 ) or chat online. Contact us here.