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| Part Type | Electronic Unit Injector (EUI) |
| Fuel System | Mechanically Actuated Electronically Controlled |
| Solenoid Voltage | 24V |
| Injection Pressure | 1800 bar |
| Weight | 3.45 kg |
| Body Material | Hardened Steel |
| Component Material | High Speed Steel |
Manufacturer No.
3920221392-022120R086310R723425013683760511
OEM Part No.
3920221392-0221
Engine Part No.
Caterpillar 3508Caterpillar 3512Caterpillar 3516Caterpillar 3524Caterpillar 3512CCaterpillar 3516CCaterpillar 3508BCaterpillar 3512B
Fitment Vehicles
Caterpillar 789D Mining TruckCaterpillar 3512C Generator SetCaterpillar 3516C Generator SetCaterpillar 3512B ExcavatorCaterpillar 3516B ExcavatorCaterpillar Marine Power Module
Fuel System - Industrial Encyclopedia
Genuine Caterpillar 3920221 EUI fuel injector for 3500 series diesel engines including 3512C and 3516C, designed for high-pressure fuel delivery in mining trucks, generator sets, and marine applications.