387-9426 Fuel Injector 387-9427 387-9428 Diesel Injector for C7 C9 Excavator
| Product Namber: | CAT INJECTOR | OE NO: | 557-7633 |
| OE NO1: | 387-9428 | 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 |
Product Overview
The Caterpillar Fuel Injector 557-7633 is a precision-engineered heavy-duty diesel fuel injector specifically developed for the Caterpillar C9 engine platform. This injector is a critical component of the engine fuel delivery system and is designed to provide accurate fuel metering, superior atomization, optimized combustion efficiency, reduced emissions, and maximum engine power output.
The 557-7633 injector is widely used in Caterpillar construction equipment, mining machinery, industrial power units, generator sets, marine auxiliary engines, and off-highway diesel applications worldwide.
Manufactured according to OEM-level engineering standards, the injector incorporates high-strength alloy steel components, precision-ground needle valves, advanced nozzle technology, and electronic control compatibility to ensure stable performance in demanding operating environments.
PRODUCT QUICK FACTS TABLE
| Item | Specification |
| Product Name | Fuel Injector |
| Part Number | 557-7633 |
| OEM Number | 5577633 |
| Reman Number | 20R-8968 |
| Reman Number | 20R-8064 |
| Replacement Number | 10R-7221 |
| Fuel System Type | HEUI Fuel Injection System |
| Engine Platform | Caterpillar C9 |
| Application | Excavator Loader Generator Industrial Engine |
| Condition | New / OEM / Reman Available |
| Quality Level | OEM Standard |
| Material | High Alloy Steel |
| Test Standard | 100% Flow Tested |
| Packaging | Industrial Export Packaging |
| Warranty | Available |
| Brand Compatibility | Caterpillar CAT |
| 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
2. Request for more item information---there are nearly 2000 products for your option!
3. All of our products are produce by our professional workman and we have our high-work-effect foreign trade team, you can totally believe our service.
4.after sen ding, we will track the products for you once every two days, until you get the products.
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