Shop the genuine Volvo 21574984 DEF Dosing Valve. Ensures precise urea injection for SCR systems in Volvo FH, FM, FMX, and Penta engines. Replaces 0444022011.
| Part Number | 21574984 |
| Alternate Part Numbers | 0444022011, 0281002911 |
| Product Name | DEF / Urea Dosing Valve |
| Brand | Volvo |
| System | Aftertreatment / SCR System |
| Function | Regulates and injects Diesel Exhaust Fluid (DEF) into the exhaust stream to reduce NOx emissions. |
| Common Applications | Volvo FH4, FM, FMX Trucks; Volvo Penta TAD11, TAD13 series engines (e.g., TAD1170VE, TAD1341GE, TAD1371VE) |