Diesel Injector 3879434 387-9434 3879432 387-9432 387-9433 3879433 for Caterpillar C9 Engines Fuel Injector
| Product Namber: | CAT INJECTOR | OE NO: | 387-9434 |
| OE NO1: | 387-9432 | Engine: | CAT 3512B Engine |
| Car Model: | CAT | Warranty: | 12 Months |
| Quality: | Brand New Genuine | SIZE: | Origional Standard |
| Type: | Diesel Auto Parts | Application: | Fuel Injection System |
| Material: | High Speed Steel | PAYMENT TEF: | Full Advance Payment |
| packing: | Original And Neutral Packing | MOQ: | 1РСS |
| High Light: | Caterpillar C9 diesel injector,387-9434 fuel injector replacement,C9 engine fuel injector |
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CATERPILLAR C9 FUEL INJECTOR 387-9434 – INDUSTRIAL GRADE PRODUCT DESCRIPTION
Product Overview
The Caterpillar Fuel Injector 387-9434 is a high-precision diesel fuel injection component specifically engineered for the Caterpillar C9 engine platform. Designed for demanding industrial, construction, mining, forestry, marine, and power generation applications, this injector delivers accurate fuel metering, optimized spray atomization, and reliable combustion performance under extreme operating conditions.
Part Number 387-9434 belongs to Caterpillar's heavy-duty fuel system family and is commonly referenced across global OEM, Remanufactured, Aftermarket, Diesel Fuel Injection Service, and Equipment Maintenance databases.
The injector is manufactured to meet stringent fuel delivery tolerances and supports engine performance requirements including:
- Maximum combustion efficiency
- Reduced fuel consumption
- Improved horsepower output
- Reduced exhaust emissions
- Lower particulate generation
- Enhanced cold-start performance
- Extended service intervals
- High durability under continuous operation
This injector is widely used in Caterpillar C9-powered equipment operating in:
- Construction
- Mining
- Forestry
- Agriculture
- Marine
- Industrial Power Generation
- Oil & Gas
- Municipal Equipment
- Material Handling
- Earthmoving Operations
PRODUCT SPECIFICATION DATABASE
| Item | Description |
| Product Name | Fuel Injector Assembly |
| Manufacturer | Caterpillar |
| Brand | CAT |
| Engine Series | C9 |
| Engine Type | Turbocharged Diesel |
| Injector Type | Electronic Unit Injector |
| Fuel System | HEUI Fuel Injection System |
| OE Number | 387-9434 |
| OEM Number | 3879434 |
| Reman Number | 10R-7221 |
| Reman Number | 20R-8063 |
| Replacement Number | 20R-1938 |
| Cross Number | 328-2573 |
| Cross Number | 293-4071 |
| Cross Number | 267-9734 |
| Application | Industrial Diesel Engine |
| Condition | New / Reman / Aftermarket Available |
| Quality Standard | OEM Equivalent |
| Fuel Type | Diesel |
| Origin | OEM / Aftermarket Supply |
| C9 | ||||||||
| 10R-2828 | 10R-4764 | 10R-47641 | 10R-4844 | 10R-7221 | 10R-7222 | 10R-7223 | 10R-9002 | 10R-9003 |
| 11R-1582 | 20R-1259 | 20R-1917 | 20R-8060 | 20R-8061 | 20R-8062 | 20R-8063 | 20R-8064 | 20R-8065 |
| 20R-8068 | 20R-8069 | 20R-8427 | 20R-8846 | 20R-8968 | 20R-9433 | 225-0117 | 235-5261 | 236-0957 |
| 238-8092 | 240-8063 | 242-0857 | 245-3516 | 254-4330 | 254-4339 | 254-4340 | 258-8745 | 265-8106 |
| 266-4446 | 267-3360 | 267-3361 | 267-9710 | 267-9717 | 267-9722 | 267-9734 | 293-4067 | 293-4071 |
| 293-4072 | 293-4073 | 293-4074 | 320-2940 | 328-2573 | 328-2574 | 328-2576 | 328-2577 | 328-2578 |
| 328-2580 | 387-9431 | 387-9432 | 387-9433 | 387-9434 | 387-9435 | 387-9436 | 387-9437 | 387-9438 |
| 387-9439 | 387-9484 | 459-8473 | 53L-8062 | 553-2592 | 557-7633 | 557-7634 | 557-7637 | 573-4231 |
| 573-4235 | 577-7633 | |||||||
ccaterpillar Fuel Injector Series - Engine - Equipment Appliccccation Table
| Fuel Injector / Engine Series | Common Injection Technology | Corresponding Engine Platform | Common ccccat Models / Equipment Platforms |
| 3116 Series | Mechanical Injection / Early Electronic Platform | 3116, 3116T, 3116TA, 3116DIT | M318, M320 Wheel Excavators; 135H Motor Grader; D6M Dozer |
| 3126 / 3126B Series | HEUI | 3126, 3126B | 120H Motor Grader; 950G Series II Wheel Loader; 950G Platform |
| 3126E Series | HEUI | 3126E | Commonly used in medium-duty construction and industrial platforms similar to the 3126 appliccccation range |
| C6.4 Series | ACERT Injection Platform | C6.4 ACERT | 320D / 320D L; 323D L / LN; 320D LRR; 320D FM |
| C6.6 Series | ACERT Injection Platform | C6.6 ACERT | 320D / 320D L (C6.6 versions); 320E LN; 323E LN |
| C7 Series | HEUI | C7, C7 ACERT | 120K Motor Grader; 950H Wheel Loader |
| C7.1 Series | Common Rail / Later Electronic Injection | C7.1, C7.1 ACERT | 320D2 / D2 L, 326D2, 330D2 Excavators; 950K, 950, 962, 930M Wheel Loaders; Generator Sets |
| C9 Series | HEUI-B | C9, C9 ACERT | 330D / 330D L / 330D MH; construction and industrial platforms |
| C10 Series | Electronic Unit Injection Family | C10 | 140H, 143H, 160H, 163H, 14H, 16H Motor Graders; 814F Wheel Dozer; 815F Compactor; 816F Landfill Compactor; 966G II, 972G II Wheel Loaders; D7R II Dozer; 725 / 730 Articulated Trucks; R1600G, R1700G LHD; W345B II Wheel Excavator; 345B / 365B Excavators |
| C12 Series | Electronic Unit Injection | C12, C12 Marine | Widely used across 140H, 143H, 160H, 163H, 14H, 16H; 966G II, 972G II; D7R II; 725 / 730; W345B II; 345B / 365B; also widely used in marine appliccccations |
| C13 Series | MEUI | C13, C13 ACERT | 345D L Excavator; 730C EJ Articulated Dump Truck; Generator Sets; Industrial Power Platforms |
| C15 Series | MEUI | C15, C15 ACERT | 770 Off-Highway Truck; 374D L / 374F L Excavators; 365C Demolition Excavator; R3000H LHD; Industrial Power and Generator Sets |
| 3406E Series | EUI | 3406E | AD30 Underground Mining Truck; 16H Motor Grader; 824G Series II Wheel Dozer; 826G Series II Landfill Compactor |
| C18 Series | EUI / Later Electronic Injection Platform | C18, C18 ACERT | Generator Sets; Marine Appliccccations; Large Industrial and Mining Platforms |
FAQ
What are our main products?
Our main products include fuel injectors, fuel pumps, common rail pipes, connecting rods, sensors, etc. We also support customized products.
What is your delivery time?
Below 10 pcs, 3-7 working days. Below 50 pcs, 3-10 working days. Over 50 pcs, It will depend on the specific situation of the delivery time.
How long is your warranty?
Our warranty is for 3-6 months.
Why Choose Us:
1. Let’s talk—we have NO barrier in language
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