DEF Injector for Detroit Diesel DD13 & DD15 — Direct-Fit SCR Replacement
Direct replacement for Detroit DD13 and DD15 engines (2017+ airless SCR systems). Deutsch DTM connector, ±2% flow calibration, 500,000+ cycle service life. Ships with individual test data.
Product Overview
This DEF injector is designed for the airless SCR dosing system on Detroit Diesel DD13 and DD15 engines manufactured from 2017 onward. Detroit transitioned from air-assisted dosing modules to airless injectors with the GHG 2017 emissions update, and this injector matches the updated specification exactly.
Key Benefits
- Direct replacement for Detroit OEM part numbers A0001405678, A0001406678
- Airless design — matches 2017+ Detroit SCR architecture
- ±2% flow calibration with individual test data
- Deutsch DTM connector — matches factory harness
- 24-month / 200,000 km warranty
Technical Specifications
| Parameter | Specification |
|---|---|
| Application | Detroit DD13, DD15 (2017+), DD16 |
| OEM Cross-Reference | A0001405678 (DD13/DD15), A0001406678 (DD16) |
| DEFinjector Part Number | DFI-DD-003 (DD13/DD15), DFI-DD-004 (DD16) |
| Flow Rate (nominal) | 20 L/h (DD13/DD15), 22 L/h (DD16) |
| Flow Accuracy | ±2% |
| Supply Voltage | 12V DC |
| Connector Type | Deutsch DTM 2-pin |
| Operating Temperature | -40°C to +175°C |
| Enclosure Rating | IP67 |
| Warranty | 24 months / 200,000 km |
Compatibility
| Engine | Model Years | Vehicle Applications |
|---|---|---|
| Detroit DD13 | 2017+ | Freightliner Cascadia, Western Star 5700XE |
| Detroit DD15 | 2017+ | Freightliner Cascadia, Western Star 4900 |
| Detroit DD16 | 2017+ | Western Star 6900, heavy-haul configurations |
Note: For Detroit DD13/DD15 engines manufactured 2010-2016 with the air-assisted 1-Box system, contact us for the correct dosing module cross-reference.
Related Resources
Detroit Diesel DEF Injector Compatibility Chart
Cross-references to Detroit part numbers A0001405678 and A0001406678 — see our Detroit Diesel DEF injector compatibility guide for pre-2017 alternatives.
DEF Injectors vs. Dosing Modules: Technology Comparison
This is an airless injector for 2017+ Detroit engines. Pre-2017 DD15 uses an air-assisted module — understand the difference in our airless vs. air-assisted comparison.
Fleet Case Study: 40% SCR Downtime Reduction
Our case study features a mixed fleet including Detroit DD15 trucks — read how they reduced SCR downtime by 40% with aftermarket DEF injectors.
Pre-Shipment Quality Inspection Process
Deutsch DTM connectors and IP67 sealing verified during DEF injector quality inspection — individual test data included with every unit.
Request a DD15 DEF Injector Quotation
Order direct-fit replacements for your Detroit-powered fleet: request a DD15 DEF injector quote with sea freight LCL/FCL options.