Welcome to
Williams diesel service

Williams Diesel Service keeps an extensive inventory of parts

From internal parts for fuel injection components to light-duty diesel engine parts, we’ve got you covered. We are a dealer for such manufacturers as: Bosch, Delphi, Denso, Stanadyne, Alliant Power, Yanmar, Dipaco and more! If we don’t stock the part you’re looking for, we can source it by utilizing our network of dozens of distributors across the country.


Interested in an upgraded EGR cooler for your 6.0L Powerstroke? We keep them in stock! Looking for a Bosch VP44 fuel injection pump for your 1998-2002 Dodge/Cummins pickup? We have them on the shelf and ready for exchange. We stock Bosch common rail injectors and high pressure pumps for all popular models. If you happen to have an application that we don’t stock, our Bosch authorized common rail fuel shop can quickly rebuild your injectors or pump.


Williams Diesel Service is proud to stock Stanadyne Diesel Fuel Additives. Poor quality diesel fuel can cause performance issues, premature wear, gumming of components, and plugged filters.

  • Stanadyne diesel fuel additives are the only ones in the world that are:Made by a fuel injection systems manufacturer
  • Tested and approved by major diesel engine and vehicle manufacturers
  • Proven to perform best in independent tests

Whether you need a bottle or a case, look no further than Williams Diesel Service!


We sell turbochargers too! We stock turbos for many popular light duty diesel trucks. Having trouble finding that replacement turbo for your vehicle or piece of equipment? Using our large network of turbo warehouses and remanufactures, we can locate the turbo you need! We have sources for turbos from such manufactures as:

  • Garrett
  • Holset
  • Borg Warner
  • and many more!

How can we help you?

We’ve Got Equipment and Experience You Won’t Find Anywhere Else.