A0001402239 DEF Dosing Module Injector for Detroit Diesel DD13 DD15 DD16 Freightliner
Tax calculated at checkout · USD · Free 60-day returns
- AST-DEF-A0001402239-DETROIT
Match the number printed on your old part or in the vehicle service manual — not the part name.
What this part is
Buy replacement A0001402239 DEF Dosing Module Injector for Detroit Diesel DD13 DD15 DD16 Freightliner (OE A0001402239). Verified fit for Freightliner Cascadia, Western Star 49X 57X, Detroit Diesel DD13, DD15, DD16 Heavy Duty Engines (EPA10, GH14, GH17). 12-month warranty, 60-day returns, fast global dispatch. SKU: AST-DEF-A0001402239-DETROIT.
A0001402239 DEF Dosing Module Injector for Detroit Diesel DD13 DD15 DD16 Freightliner. High-reliability aftermarket replacement component from AutoSensor Tech. Tested and calibrated to meet or exceed OEM specifications for SCR emissions reduction.
Fitment & Compatibility Guarantee
Direct plug-and-play fitment for: Freightliner Cascadia, Western Star 49X 57X, Detroit Diesel DD13, DD15, DD16 Heavy Duty Engines (EPA10, GH14, GH17).
Interchangeable with OEM part numbers: A0001402239, EA0001402039, A0001402039, A0001404439, A0001407439, 0444023056.
Technical Specifications
| Primary OE Part Number | A0001402239 |
| System Platform | Detroit One-Box / Two-Box SCR Dosing |
| Operating Voltage | 12V Heavy Truck |
| Media Fluid | Diesel Exhaust Fluid (DEF) / AdBlue (ISO 22241) |
| Condition | Brand New OE-Quality Replacement |
| Warranty | 12 Months Replacement Warranty |
| Shipping | Fast Worldwide Dispatch (Air Express Available) |
Technical specifications
| Direct plug | and-play fitment for |
|---|---|
| System PlatformDetroit One | Box / Two-Box SCR Dosing |
| ConditionBrand New OE | Quality Replacement |
| Month WarrantyHassle | free replacement guarantee |
Identification
| SKU | AST-DEF-A0001402239-DETROIT |
|---|---|
| Part number | A0001402239 |
| Brand | Freightliner |
| Category | Cummins |
Verified fitment
| Brand / platform | Part number(s) |
|---|---|
| Freightliner | A0001402239 · AST-DEF-A0001402239-DETROIT |
12-month parts warranty
Every part ships with a 12-month warranty from the date of delivery. If the part fails under normal use within that window, we replace it or refund the purchase price — your choice.
What we cover
- Manufacturing defects — no questions asked.
- Early failure within the warranty period.
- Replacement shipping both ways, on us.
What we do not cover
- Damage from incorrect installation.
- Parts modified, disassembled, or used in racing.
- Cosmetic wear or normal ageing.
Shipping rates
| Destination | Carrier | Delivery | Cost |
|---|---|---|---|
| United States (cont.) | UPS / USPS | 2–4 biz days | Free $99+ · $6.90 |
| European Union | DHL / DPD | 3–6 biz days | Free $99+ · €8.90 |
| UK / Switzerland | DHL | 3–5 biz days | Free $99+ · £8.00 |
| Rest of world | DHL Express | 5–10 biz days | Calculated at checkout |
Returns
60-day no-fuss returns. Order a return label from your account, drop the part at any carrier drop-off, and we refund within 5 business days of receiving it. Wrong-fit returns are always free.
Returns policy
