Quality. Integrity. Complete Customer Focus. Now all of the qualities that have made Diesel Specialists, LLC a leader in the heavy-duty engine industry are now available online to you at Diesel Parts Direct, our online global warehouse. Whether you need parts or engines for Cummins, Detroit Diesel or Perkins, we have the inventory to get you running and the quality to keep it that way. Feel free to contact any of our knowledgeable sales staff or just point and click. Either we hope that you will see that Diesel Parts Direct is just one more extension of our organization that you can count on for reliable service, on time every time.