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Caterpillar original Diesel Fuel Injector 387-9439, Cross Reference 236-0957, 293-4071, 10R4843 for C7 C9 Injector Engine, Common Rail Fuel Injector Sprayer Replacement original new injector
| Brand Name: | CATERPILLA |
| Model Number: | 387-9439 |
| MOQ: | 1 |
| Price: | $299-$456 |
| Packaging Details: | Original Packing |
| Payment Terms: | T/T, Western Union |
Caterpillar 387-9439 diesel fuel injector
,C7 C9 common rail injector
,10R4843 injector replacement
Caterpillar original Diesel Fuel Injector 387-9439, Cross Reference 236-0957, 293-4071, 10R4843 for C7 C9 Injector Engine, Common Rail Fuel Injector Sprayer Replacement original new injector
Fuel Type | Diesel |
Condition | New aftermarket / Remanufactured / Rebuilt / Exchange / OEM equivalent / Original type (depending on inventory) |
Applicable Engine | Caterpillar C9, C9 ACERT diesel engines (8.8L inline six-cylinder) |
Injector Type | Diesel Fuel Injector Group (Injector Gp) / HEUI injector assembly |
Quality Standard | OEM equivalent / Original type |
Packaging | Available upon request |
Fuel System | Electronically controlled diesel injection system (HEUI) |
OE Number | 387-9439 (also written 3879439) |
Brand | CAT / Caterpillar |
Cross Number / Universal Number | 20R-8061 (20R8061, Cat Reman reference); related C9 injector family references: 387-9432, 10R-7223, 328-2576, 293-4073, 254-4340, 20R-8065 |
Vehicle / Equipment Application | CAT C9-powered excavators, loaders, bulldozers, track-type tractors, motor graders, wheel dozers, soil and landfill compactors, generator sets, marine auxiliary engines, industrial power units; commonly searched models incl. 330D, 330D L, 336D, 336D L, D6R, D7R, 973D, 140M, 160M, 814F Series 2, 815F Series 2, 816F Series 2 |
Application Type | Heavy-duty diesel engine fuel injection systems for construction, industrial, mining, generator, and marine equipment |
The Caterpillar C9 Series Fuel Injector 387-9439, also searched as 3879439, is a diesel fuel injector group engineered for CAT C9 and C9 ACERT diesel engine applications. Listed by Caterpillar as an Injector Gp with 20R-8061 as the related Cat Reman reference, it serves heavy-duty fuel systems where accurate fuel metering, atomization, timing control, combustion stability, and power output are critical.
Built for the 8.8-liter inline six-cylinder C9 engine family, the injector delivers diesel fuel into the combustion chamber with controlled timing, metered quantity, and atomized spray through an electronically controlled injection system. Cat fuel injectors are developed for Cat diesel engines, including modern low-sulfur and low-lubricity fuel environments, helping maintain stable combustion, consistent performance, and reliable engine operation under demanding construction, mining, and industrial workloads.
This replacement injector suits C9-powered excavators, loaders, bulldozers, motor graders, compactors, generator sets, marine auxiliary engines, and industrial power units, including frequently searched models such as CAT 330D, 336D, D6R, D7R, and 973D. One engine normally uses six injectors, while single units support individual cylinder repair. Supply options include new aftermarket, remanufactured, rebuilt, exchange, OEM equivalent, or original type depending on inventory. Before ordering, verify the engine serial number, machine model, and original injector number.
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Contact Detail:
ADD:Huangpu Machinery City, No.585-A, No.138, Southeast Road, Huangpu District, Guangzhou City,
Guangdong Province Tel:+86 020 88557755
Cellphone:+86 19959162250 WhatsApp:+86 19959162250
Email:2209396088@qq.com
