Diesel Injector 3879434 387-9434 3879432 387-9432 387-9433 3879433 for Caterpillar C9 Engines Fuel Injector
Product Details
Caterpillar C9 diesel injector
,Caterpillar fuel injector 3879434
,C9 engine fuel injector with warranty
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 |
Question 1:
How can Ifind and purchase parts that are not in the store link?
Answer: Just provide the part number to our customer service, and we can check the parts and
prices for you!
Question 2:
If Idon't have the part number, how canI find the parts to buy?
Answer: You can provide the model of your mechanical nameplate, or pictures and dimensions
of the original parts, and we can check the parts and prices for you!
Question 3:
Through what logistics is the goods delivered to my address?
Answer: The goods can be delivered to you based on the logistics channels in your area, including
sea freight, air freight or express delivery (DHL, Fedex, TNT, UPS, EMS).
Why Choose Us:
1. Let’s talk—we have NO barrier in language
2. We are very glad that customer give us some suggestion for price and products.
3. If any question, please contact with us freely by E-mail or Telephone.
4. Reasonable stock and timely delivery;
Detailed Product Picture:
mpany Information:
-
ORIGINAL NEW DIESEL CAT CUMMINS PERKINS INJECTOR ,MADE IN USA. we are CAT ,CUMMINS ,Pkerins Dealer ,all is original new
QSK19 QSK38 G5 QSK38 CM2150 Diesel Fuel Injector 2867147 2867146 2882077 Detailed Product Datasheet: Parts Number 2882077 Part Name 2867147 2867146 Payment L/C , T/T Packing Original / Netural Why Choose Us: 1. Quality is culture - professional trading experience help you solve any problem . 2. Time ... -
Original diesel CUMMINS CAT BOSCH injector, manufactured in the United States. It's a distributor of CUMMINS
Diesel XPI Fuel Injector 1933613 2031836 2086663 575177 1933246 0981302 2031835 2086663 2030519 For SCANIA R Series Detailed Product Datasheet: Parts Number 2086663 Part Name 0981302 2031835 2086663 2030519 Payment L/C , T/T Packing Original / Netural Why Choose Us: 1. Our feedback: You always can ... -
ORIGINAL NEW DIESEL CAT CUMMINS PERKINS INJECTOR ,MADE IN USA. we are CAT ,CUMMINS ,Pkerins Dealer ,all is original new
4088428 QSK23 Diesel Engine Common Rail Fuel Injector 4001813 4087893 4326780 4088416 4326781 Detailed Product Datasheet: Parts Number 4001813 Part Name 4087893 4326780 4088416 4326781 Payment L/C , T/T Packing Original / Netural Why Choose Us: 1. Our feedback: You always can get our feedback within ... -
Original new diesel BOSCH KOMATSU CAT injector, manufactured in Germany. We are a distributor of BOSCH KOMATSU CAT
V-O-L-V injector 3964404 Diesel pump Injector DELPHI BEBE4B01004 A0 for D12 3045 US SPEC Detailed Product Datasheet: Part Number: 3964404 OE NO: BEBE4B01004 Origin: original new/Remanufactured/made in China new Payment Term: T/T. Western Union, Remark: We advise inspection of the fuel supply system ...
