The Hammer Down Diesel Store



Why Choose Us for your Diesel Parts

DieselTuff specializes in the Dodge Cummins, 4BT, 6BT, stock & performance parts, plus Commercial truck and RV exhaust brakes.

With over 26 years of diesel experience, we bring you only the very best in parts and tech help for the products we sell. From a vast knowledge base in nozzles, injectors, turbo’s, exhaust brakes, etc.

We work with only the best vender’s in the business, such as Pacbrake, Cummins, PDR, Bosch, Farrell Diesel Services and many more.

DieselTuff has ran or tested most of the parts we sell for your diesel truck or car. Specializing in Cummins Diesel Performance.

From mild to wild, let DieselTuff help you choose the right diesel performance parts for your application. Whether you are wanting better fuel mileage, more towing power or all out diesel performance, we are here to help you out. Diesel performance products for your Dodge Ram Cummins 6bt or an 4bt, VW TDI, Commercial truck and RV pushers etc…. Dieseltuff has the parts for you.

Best prices when MAP isn’t enforced. Free ground shipping on most products over $100.00 to the lower 48 states and the Canadian provinces.  Customers living in other locations, should contact DieselTuff for shipping quote, prior to placing an order(s). 

We offer only web based sales through our online store and tech help by e-mail. Sorry, we don’t use the phone for any business !!!

This allows us to bring you the best pricing and the ability to be available 7 days a week.

If you need any help, please email us for help. Find some of our common install and maintenance instructions, under the “Instructions” in header.

Serving USA & Canada. 
Please note, we only ship to verified billing addresses only !

Thank you for shopping at
Mark Wilson