New & Remanufactured Detroit® Genuine Parts—for a Precise Fit

At Detroit®, our business depends on our customers, which is why we strive to deliver the best parts around. To extend the life of your Detroit® powertrain components, we offer the following parts and service programs:


Repair or replace fuel injectors to boost fuel efficiency

StepUP® Overhaul

Four ways to refurbish your engine

StepUP Program
DPF Cleaning

Reconditioned DPFs tested to meet OE standards

DPF Cleaning
Aftertreatment Support

Learn how to properly care for your 1-Box

Aftertreament Support

Connect today

Learn more by visiting your nearest Freighliner or Western Star dealership.

Find the Nearest Dealer

Detroit Connect Portal

The Detroit™ Connect portal is easy-to-use, one-stop-shop for all vehicle performance data gathered, transmitted and analyzed by Detroit Connect.  The portal gives you access to insights delivered by  Detroit Connect Virtual Technician℠. The Detroit Connect portal will also give you access to new features, such as Remote Updates, and Analytics, available late 2017.

Detroit connect portal login


All DDCSN content has been migrated to our DTNAConnect web portal. All information previously on the DDCSN is now on DTNAConnect. We have created a quick reference guide to help you locate the migrated content on DTNAConnect. Existing DDCSN login credentials will also work with DTNAConnect. Please work with your security administrators for login or content issues. If you do encounter any technical issues, please contact the Software Support Center at 855-639-8680 or


DTNA Connect Portal

DTNA Connect is the starting point for working with all brands and franchises that fall under the Daimler Truck North America umbrella: Detroit, Thomas Built Buses, SelecTrucks, Sterling, Freightliner, and Western Star. Here, you can access the full spectrum of online applications, resources and tools you need. Whether you use DTNA online resources to complete repairs, purchase parts, submit warranty claims, spec new vehicles or track the status of your truck orders, DTNAConnect streamlines the tasks and activities that are part of your daily work routine.

DTNA Connect Portal Login