
Tax calculated at checkout · USD · Free 60-day returns
Match the number printed on your old part or in the vehicle service manual — not the part name.
Buy replacement 0444021047 AdBlue DEF Dosing Valve Injector for Mercedes Sprinter 2500 3500 OM642 OM651 (OE 0444021047). Verified fit for Mercedes-Benz Sprinter 2500, 3500, Metris, E-Class W212, ML W166, GL X166 OM642 3.0L V6 & OM651 2.1L Diesel. 12-month warranty, 60-day returns, fast global dispatch. SKU: AST-DEF-0444021047-SPRINTER.
0444021047 AdBlue DEF Dosing Valve Injector for Mercedes Sprinter 2500 3500 OM642 OM651. High-reliability aftermarket replacement component from AutoSensor Tech. Tested and calibrated to meet or exceed OEM specifications for SCR emissions reduction.
Direct plug-and-play fitment for: Mercedes-Benz Sprinter 2500, 3500, Metris, E-Class W212, ML W166, GL X166 OM642 3.0L V6 & OM651 2.1L Diesel.
Interchangeable with OEM part numbers: 0444021047, 0444021048, A0004900200, 0004900200, A0004900000, A0004900100.
| Primary OE Part Number | 0444021047 |
| System Platform | Mercedes BlueTEC / Denoxtronic |
| Operating Voltage | 12V Commercial / Van |
| 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) |
| Direct plug | and-play fitment for |
|---|---|
| ConditionBrand New OE | Quality Replacement |
| Month WarrantyHassle | free replacement guarantee |
| SKU | AST-DEF-0444021047-SPRINTER |
|---|---|
| Part number | 0444021047 |
| Brand | Mercedes-Benz |
| Category | DEF Doser Injector |
| Brand / platform | Part number(s) |
|---|---|
| Mercedes | 0444021047 · AST-DEF-0444021047-SPRINTER |
| Benz | 0444021047 · AST-DEF-0444021047-SPRINTER |
| Mercedes-Benz | 0444021047 · AST-DEF-0444021047-SPRINTER |
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.
| 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 |
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