| Injector Type | electronic controlled common rail |
| Engine Model | Caterpillar C9 / C7 Diesel Engines |
| Fuel System | High Pressure Common Rail |
| Compatible Model | 330D/336D/340D series excavators and a variety of construction machinery |
Manufacturer No.
387-94333879433
OEM Part No.
387-9433
Engine Part No.
C9C7
Interchange No.
10R-722210R7222293-4072553-2592254-4339387-9432387-9431387-9436266-4446382-2574
Fitment Vehicles
330D336D340D330D L336D L336D2340D2 L325C328C330C973C627G637G140M160M814F II816F IIE330DE336D
Fuel System - Industrial Encyclopedia
Caterpillar OEM standard fuel injector, part number 387-9433/3879433, designed for the C9 series electronic common rail diesel engine. Suitable for Caterpillar 330D, 336D, 340D excavators and 140M, 160M graders. This injector assembly uses precise common rail technology to ensure fuel atomization and combustion efficiency, enhancing engine power and emission standards. Replaceable with interchangeable part numbers such as 10R-7222, 293-4072, 553-2592. Genuine parts, strictly tested, providing stable and reliable performance.