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| Injector Type | HEUI (Hydraulically Actuated Electronic Unit Injector) |
| Fuel System | High-Pressure Diesel HEUI |
| Actuation Method | Hydraulic / Electronic Solenoid |
| Control Method | Electronically Controlled |
| Connector Type | Top-Mounted Electrical Solenoid |
| Mounting Style | Central Flange |
| Seal | Multiple O-Rings |
| Body Material | Heat-Treated Alloy Steel |
| Net Weight | 2.00 kg |
| Package Dimensions | 38 x 15 x 15 cm |
Manufacturer No.
387-94343879434
OEM Part No.
387-94343879434CA3879434
Engine Part No.
Caterpillar C9Caterpillar C7
Interchange No.
387-943210R-722310R-722120R-1938328-257310R-7222
Fitment Vehicles
Caterpillar 330DCaterpillar 336DCaterpillar 336DLCaterpillar D6RCaterpillar D6TCaterpillar D7RCaterpillar 160MCaterpillar 2290Caterpillar 511
Fuel System - Industrial Encyclopedia
Genuine Caterpillar HEUI fuel injector part number 387-9434 for Caterpillar C9 diesel engines, used in 336D excavators and D6R track tractors.