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 PowerPacks
StepUP® Overhaul
Four ways to refurbish your engine StepUp
DPF Cleaning
Reconditioned DPFs tested to meet OE standards DPF Cleaning
Aftertreatment Support
Learn how to properly care for your 1-Box Aftertreatment 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


DDCSN serves as both a public customer website and secure service portal to access DETROIT branded product service and parts information, tools, training, and more. Here you can access a wide range of product literature such as operator mauals, warranty booklets, and even service bulletins. You can also find parts catalogs, sales and marketing programs, webinars, and much more.


DTNA Connect Portal

DTNA Connect is the starting point for working with all brands and franchises that fall under the Daimler Trucks 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