Welcome to DK Diesel Injection Service!

Breaking News!

Ordering a Performance Enhancing Modules for Tractor, Combine or Truck just got even easier with the premiere of the DK Diesel E-Shop!
Our E-Shop is simple to use, provides you with the reference materials you need to choose the right product, and the confidence in purchasing your module from the areas leader in Diesel Technologies! DK Diesel is currently offering free shipping for all orders placed through our E-Shop!

DK Diesel of Fort Dodge has moved to their new location! Soon we will begin offering drive-in service, check back often for more details and updates!

DK Diesel of Fort Dodge is currently taking applications for a Drive-In Service Technican and 4 Full-Time Service Technicans

Watertown Store

DK Diesel is a factory authorized Fuel Injection shop specializing in all brands of Fuel Injection Pumps, Injectors and Turbochargers. DK Diesel offers the highest level of service on Diesel engines and we are an active member in the Association of Diesel Specialists! We pride ourselves on having one of the nation's best warranties on all fuel injection components we sell and service. Our team of dedicated employees is committed to providing quality workmanship and customer satisfaction to all of DK Diesel's customers across the nation.

Association of Diesel Specialists
DK Diesel has one of the largest exchange programs in the Midwest. With DK Diesel's vast inventory of over 1000 exchange pumps and 3000 injectors, we are able to provide exchange units for most equipment no matter how old or new, eliminating costly down time for our customers.

We invite you to contact DK Diesel and let us help you solve your fuel system problems.