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| System Type | HEUI (Hydraulic Electronic Unit Injector) |
| Fuel Type | Diesel |
| Actuation Method | High-Pressure Engine Oil / Electronic Solenoid |
| Nozzle Part Number | 326-4700 |
| Solenoid Voltage | 12V / 24V Compatible |
| Injection Pressure | Up to 160 MPa (23,200 PSI) |
| Condition | New Aftermarket / Remanufactured |
| Warranty | 6-12 Months (Varies by Supplier) |
Manufacturer No.
387-9432387943220R-806510R-7223249-0712254-4340293-4073328-2576267-9711CA3879432
OEM Part No.
387-94323879432
Engine Part No.
Caterpillar C9Caterpillar C7
Interchange No.
10R-722320R-8065249-0712387-9433387-9434CA3879432
Fitment Vehicles
Caterpillar 330DCaterpillar 330D LCaterpillar 336DCaterpillar 336D LCaterpillar 336D LNCaterpillar 340D2 LCaterpillar 325CCaterpillar 328CCaterpillar 330CCaterpillar 973DCaterpillar 586CCaterpillar XQP300 GeneratorCaterpillar D6RCaterpillar D7R
Fuel System - Industrial Encyclopedia
OEM replacement HEUI fuel injector 387-9432 for Caterpillar C9 diesel engines, fits 330D 336D 340D2 excavators and 973D track loaders. Cross references 10R-7223 20R-8065.