The Hammer Down Diesel Store

Diesel Parts for Trucks, Cars, RV’s & Agri

*Free Ground shipping when spending over $100

*some exceptions apply

​​​​Why Choose Us for your diesel performance parts

 4BT CUMMINS - ​Dodge Cummins -vw tdi  Nozzles - Pacbrake for Pick Up's, RV’s & commercial

​​Dieseltuff has knowledge with the Dodge Cummins, 4BT, 6BT, Ford Power Stroke, GMC Duramax, VW TDI, Commercial trucks and RV's.

With over 23 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 injectors, nozzles, turbo's, dpf deletes, exhaust brakes, exhaust systems, clutches etc.

We work with only the best vender's in the business, such as Pacbrake, Edge Products, Flo-Pro, Super Chips, H & S Performance, Cummins,   South Bend Clutch, FASS, PDR, Mads Smarty, Bosch, Mahle, Diesel Power, ADS, BD Power, Snow Performance, Mishimoto, 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 Industrial 4bt, Ford Power Stroke, GMC Duramax, VW TDI, Jeep, Tractor or a Combine and RV pushers etc.... Dieseltuff has it for you.

Best prices when MAP isn't enforced. Free ground shipping on product over $100.00 to the lower 48 states and the Canadian proviinces of BC, AB, SK, MB & ON. Customers living in a non free shipping locations, should contact DieselTuff for shipping quote, prior to placing a 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 availible 7 days a week, 15hrs a day !!!

If you need any help, we will reply back for your parts choice or tech help in minutes in most cases. This allows us the time to offer our parts at the lowest price, period. Find some of our common install and maintenence instructions here

Contact us by email only, 7 days a week, from 7am til 10 pm Pacific Time.

 Serving USA & Canada. 
 All prices & sales are in USD

Please note, we only ship to verified billing addresses only !!!!!!!

Thank you for shopping at DieselTuff
Mark Wilson