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| Component Type | Unit Injector Nozzle |
| Fuel Type | Diesel |
| Actuation Method | Mechanical Hydraulic |
| Material | Hardened Alloy Steel |
| Compatible Engine Series | Caterpillar 3046, 3064, 3066 |
Manufacturer No.
127-38381273838216-5748
OEM Part No.
127-3838216-5748
Engine Part No.
Caterpillar 3046Caterpillar 3064Caterpillar 3066
Interchange No.
216-54784D32
Fitment Vehicles
Caterpillar 307Caterpillar E307Caterpillar E307V2Caterpillar D3GCaterpillar D5G
Fuel System - Industrial Encyclopedia
Genuine Caterpillar 127-3838 unit injector nozzle for 3046, 3064, and 3066 diesel engines. Designed for precise fuel metering and atomization in Cat 307 mini excavators.