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


4bt & 6bt Cummins Performance Parts at a low price

DieselTuff is proud to be the northern dealer of Farrell Diesel Service injection pumps and services.

 Seth Farrell has built a reputation as one of the top injection pump builders in north america. Farrell Diesel Services pumps use genuine Bosch parts and are smooth, while being able to flow big fuel. Injection Pumps from 12mm, 13mm, 14mm to 16mm Cast housing p7100's. Soon to have 13mm, 14mm & 16mm billet housings. Stock & Custom 4bt and 6bt Cummins VE and P7100 builds too. 

  **All Farrell Diesel Service pumps are completely rebuilt with new gaskets & seals, inspected, calibrated to customer specs, and comes with flow sheet** 

Free shipping on most parts.

***We only ship ground & to billing address***

All prices & sales are in USD


Email us at​ sales@dieseltuff.com and we will respond quickly. Available 7 days a week


With over 25 years of diesel experience, we believe in treating our customers fairly because we want your business now, and far into the future.

The Hammer Down Diesel Store

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

*Free Ground shipping when spending over $100

*some exceptions apply

We supply a variety of 4bt & 6bt diesel performance parts ranging from 4bt p7100 inj pumps to Injectors, Turbo’s, Pacbrake Exhaust Brakes, Clutches etc.

Specializing in 4bt & 6bt Cummins Diesel Performance

With competitive prices in diesel performance products, we’ll give you the best value for your time and money.

All prices/sales are in $USD