Nation's Best Turbocharger ResourceThe Diesel USA Group represents the largest distribution entity for genuine turbochargers in North America. As master distributors for many major OEM brands, we maintain a vast inventory to service most any commercial or consumer diesel.
New and RemanThe ATG incorporates service replacements from the world’s five major OEM manufacturers.
Trusted BrandsFeaturing the most trusted brands in the industry.
Free CatalogJust click here to learn more and download your copy today!
Make the Right Choice!As one of the nation’s largest DPF and DOC distributors, we provide all levels of the aftermarket distribution channel with complete lines of Diesel Particulate Filters (DPF), Diesel Oxidation Catalysts (DOC) and Serviceable Diesel Particulate Filters, where applicable.
New DPFs & DOCsAll DPFs and DOCs provided by DieselUSA are 100% brand new, not recycled, or remanufactured.
Trusted BrandsFeaturing the most trusted brands in the industry..
Free CatalogWant an easy to use PDF version of our DPF Choice catalog? Just click here to learn more and get your copy today!
Grizzly New and Reman Diesel ProductsLooking for quality products that are reliable and durable? Grizzly is your best source for quality replacement products that don't break the bank or break down.
TurbochargersGrizzly turbochargers are remanufactured in an ISO-9001 certified facility to provide the utmost standard of excellence.
EGR Coolers & ValvesSave on replacement costs and Upgrade to heavy duty Grizzly EGR coolers and valves today!
and more...Grizzly is your leading supplier of thermal and exhaust gas, fuel injection, turbocharger products and more.
Our specialized knowledge, leadership, and experience all began over six decades ago and still guides our group of companies today.
When you need critical diesel engine components, you need the best products from the best source. Using OEM parts is a wise choice, but you don't have to pay more to get them from a Vehicle OEM dealer. The name brand products that make your diesel's engine perform best can usually be obtained for less from the "Component OEM Distributor," and that's Who We Are!