There are many reasons that we've created this category to provide you with factory OEM emissions components, such as EGR (Exhaust Gas Recirculation) Valves, EGR Coolers, DPF's (Diesel Particulate Filters), and so forth. Possibly your factory EGR cooler is cracked or you have a clogged DPF and you're out of warranty, no problem, we've got you covered. Or maybe you just bought a used truck only to find that the previ...