Detroit® Reman: Performance, Remanufactured

Remanufactured Detroit® Genuine Parts and Detroit® Reman Engines

With beginnings in the early 1960s, the remanufacturing experience and expertise acquired over half a century has made Detroit® Reman an industry leader. Remanufactured Detroit® Genuine Parts provide a cost-effective alternative to new parts, with the same performance, durability and reliability you trust from Detroit®.

Detroit® Reman offers a continually expanding product portfolio, which includes engines, transmissions, turbochargers, axles and cylinder-heads, as well as electronics, aftertreatment systems and fuel-system products. 

Not simply a rebuild, the remanufacturing process begins by using only high-quality cores and genuine Detroit® replacement components, incorporating the latest design upgrades and restoring products to OEM specifications.

Detroit® Reman: The Process

1. Disassembly & Inspection

The used, failed, or returned material to be reclaimed ("cores" as we call them) are carefully disassembled using proven techniques to prevent damage and maximize core recovery. Cores are the supply line for remanufacturing. For a manufacturer to have a successful remanufactured parts program, it must have a steady supply of cores returned. 

2. Parts Recovery

Salvageable parts with minimal to no wear or damage that meet quality standards are cleaned and requalified for reuse in final assembly. Parts that have worn or been damaged are reconditioned to meet rigid specifications using the best recovery method for the job. Our recovery processes have been validated by engineers using extensive metallurgical analyses, long-term durability testing, and field testing.

3. Assembly

The next step in the manufacturing process replicates the original assembly process. The recovered parts are placed on an assembly line along with the required new components.

4. Quality Testing

Precision measuring equipment is utilized for final verification of critical dimensions to assure parts have been recovered to original tolerances. Once assembled the unit is fully tested using the same quality tests as new parts. 

Remanufactured Detroit® Genuine Parts Product Offerings

Demand Superior Remanufactured Parts and Products. Demand Reman.

Detroit® Reman offers an expansive product portfolio including:

  • Engine Components: Rocker Arms, Cylinder Heads, Connecting Rods, Oil Pumps, Water Pumps, Fuel Pumps, Air Compressors, Governors, Blowers, EGR Valve (Exhaust Gas Recirculation) 
  • Axle Carriers: Model 2 Carriers, Model 4 Single Carriers, Model 4 Tandem Carriers 
  • Transmissions: Automated Transmissions, AGS 520/AGS 660, DT12, Manual Transmissions, MBT 520, MBT 660 
  • Exhaust Aftertreatment: Diesel Particulate Filter (DPF), DEF Pump, DEF Metering Unit 
  • Turbochargers: VG and Non-VG Turbochargers 
  • Fuel Systems: Electronic Fuel Systems, Injectors: EUI, N3, Unit Pumps: EUP, Mechanical Unit Injector, HC Doser 
  • Electronics: Electronic Control Modules, Instrument Clusters, Mechatronic Devices, Harnesses, Electronic Actuators, VPODs, SAM Chassis Module (Signal-Detection and Acquisition)
  • Heavy and Medium Duty Engines: Complete, ¾ and Long Block


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

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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.

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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.

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