4bt & 6bt Diesel Parts

Free ground shipping on most orders over $100.00

All prices & sales are in USD

 Dieseltuff specializes in the Dodge Cummins 6bt & the 4bt engines. Also Pacbrake exhaust brakes for Commercial trucks and RV's.

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 injectors, nozzles, turbo's, valve springs, HVHP 7 HVLP lift/transfer pumps, exhaust brakes, exhaust, clutches etc.

We work with only the best vender's in the diesel performance business, such as Pacbrake, Cummins, South Bend Clutch, Bosch, Mahle, Farrell Diesel Services, Flo-Pro, Best Source Diesel, H & S, FASS, PDR, Mads Smarty, ADS, BD Power, Mishimoto, and many more.

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

From mild to wild, let DieselTuff help you choose the right part 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. Parts for your Dodge Ram Cummins 6bt or 4bt Cummins and RV pushers etc.... Dieseltuff has it 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 border proviinces. Customers living in a non free shipping locations, should contact DieselTuff for a shipping quote, prior to placing a order(s). USA customers pay no sales tax.

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.

Find some of our common install and maintenence instructions here

Available by email 7 days a week.

 Serving USA & Canada 

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

Thank you for shopping at DieselTuff

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