Bosch Fuel Injector 3939826 for Cummins QSB5-9
| Product Name | Diesel injector assembly (including nozzle and injector body) |
| Manufacturer | Cummins / Bosch |
| Original Part Number | 3939826 / 0432191355 |
| Applicable Engine Series | 4B3.9, B4.5, B5.9, B6.7, ISB, QSB |
| Injector Type | Mechanical Injector (non-electronic high-pressure common rail) |
| Nozzle Model | Bosch P-type porous nozzle |
| Applicable Fuel | Diesel |
| Installation Thread | M14×1.5 |
| Working Pressure Range | 1800 - 2200 bar (Pump End Pressure) |
| Fuel Inlet Thread | F00ZR20002 (Sold Separately) |
| Matching Seal Guard | O-ring 3029820 (to be replaced during installation) |
| Warranty | 12 months (Original Equipment/Cummins ReCon Products) |
Manufacturer No.
04321913550 432 191 355
OEM Part No.
39398263939826RX3939826PX3939826NX
Engine Part No.
4B3.9B4.5B5.9B6.76B5.9ISB6.7ISD4.5QSB5.9QSB6.7ISF2.8ISF3.86BTA5.94BT6BT
Interchange No.
39396953939695RX3939695PX3939695NX9826
Fitment Vehicles
Caterpillar 320D Series Excavator (equipped with Cummins engine)Hyundai R290LC-7 ExcavatorLoaders, bulldozers, generator sets, agricultural machinery of various brands
Fuel System - Industrial Encyclopedia
High-quality Bosch fuel injector 3939826, compatible with Cummins QSB5-9 engines. OE numbers: 0432191355, 0 432 191 355. Also fits 3939826RX, 3939826PX, 3939826NX. Reliable fuel system component for optimal engine performance.