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original 266-4387 Diesel Engine Fuel Injector for C3500 3508 3512 3516 Construction Machinery Parts Replacement for OEM 2664387 20R-1277 original new injector
Detail Information
Place of Origin:
USA
Certification:
IOS+86 18136531233
Contact:
0086 18136531233
REMAN Num:
266-4387
Part Number:
20R-1277
Part Number 2:
2664387
Product Name:
Original Injector
Warranty:
12 Months
Packing:
Original Package
Stock:
In Stock
Size:
Original Size
MOQ:
1 PC
Place Of Origin:
USA
Delivery Time:
3-5 Work Days
Appliion:
Fuel Injection System
CAR:
DIESEL CAR
ENGINE:
ENGINE
Supply Ability:
10000
Highlight:

original Diesel Engine Fuel Injector for C3500

,

Fuel Injector for 3508 3512 3516 Construction Machinery

,

OEM 2664387 Diesel Engine Fuel Injector

Product Description

original 266-4387 Diesel Engine Fuel Injector for C3500 3508 3512 3516 Construction Machinery Parts Replacement for OEM 2664387 20R-1277 original new injector

Fuel Type

Diesel

Condition

New / OEM Replacement

Applicable Engine

3508B, 3508C, 3512B, 3512C, 3516B, 3516C, 3524B (3500 Series)

Injector Type

Diesel Fuel Injection Nozzle Assembly

Quality Standard

OEM Standard

Packaging

Standard Industrial Packaging

Fuel System

Diesel Injection System

OE Number

266-4387

Brand

.

Cross Number / Universal Number

266-4387, 2664387, 386-1772, 3861772, 392-0220, 3920220, 20R-1281, 20R1281, 250-1311, 2501311, 373-4087, 376-0509, 392-0212, CA2664387, CA3861772, CA3920220, CA20R1281

Vehicle / Equipment Application

Generator Sets, Prime Power Systems, Standby Power Systems, Marine Propulsion Engines, Commercial Marine Vessels, Mining Trucks, Haul Trucks, Oilfield Equipment, Drilling Platforms, Industrial Compressors, Construction Machinery, Power Plant Engines

Application Type

Mining, Marine, Power Generation, Oil & Gas, Industrial Equipment

Engineered for demanding heavy-duty operations, the 266-4387 diesel fuel injector delivers OEM-grade performance for 3500 Series engines used across mining, marine, and power generation industries. This injector assembly is manufactured from high strength alloy steel to withstand extreme in-cylinder pressures, high combustion temperatures, and continuous-duty load cycles typical of prime power and standby generator applications. Precision fuel metering and an optimized spray pattern ensure efficient atomization, stable fuel delivery, and reduced fuel consumption across the full operating range.

This unit serves as a direct OEM replacement and is fully cross-referenced with 386-1772, 392-0220, 20R-1281, 250-1311, 373-4087, 376-0509, and 392-0212. It is compatible with 3508B, 3508C, 3512B, 3512C, 3516B, 3516C, and 3524B engines powering marine propulsion systems, offshore drilling platforms, haul trucks, oilfield equipment, industrial compressors, and continuous-duty power plants. Corrosion resistance and extended service life make it suitable for harsh operating environments including saltwater exposure and high-dust mining conditions.

For optimal performance, use clean diesel fuel, replace filters regularly, and monitor fuel system pressure. Installation requires cleaning the mounting bore, fitting new seals, torquing to specification, bleeding the fuel system, and performing a leak test. Periodic inspection helps prevent nozzle wear, injector blockage, and atomization issues that can cause black smoke, power loss, or hard starting in critical industrial applications.

original 266-4387 Diesel Engine Fuel Injector for  C3500 3508 3512 3516 Construction Machinery Parts Replacement for OEM 2664387 20R-1277 original new injector

original 266-4387 Diesel Engine Fuel Injector for  C3500 3508 3512 3516 Construction Machinery Parts Replacement for OEM 2664387 20R-1277 original new injector

 

 

 

 

 

 

original 266-4387 Diesel Engine Fuel Injector for  C3500 3508 3512 3516 Construction Machinery Parts Replacement for OEM 2664387 20R-1277 original new injector detail 1

original 266-4387 Diesel Engine Fuel Injector for  C3500 3508 3512 3516 Construction Machinery Parts Replacement for OEM 2664387 20R-1277 original new injector detail 2

original 266-4387 Diesel Engine Fuel Injector for  C3500 3508 3512 3516 Construction Machinery Parts Replacement for OEM 2664387 20R-1277 original new injector detail 3

original 266-4387 Diesel Engine Fuel Injector for  C3500 3508 3512 3516 Construction Machinery Parts Replacement for OEM 2664387 20R-1277 original new injector detail 4

original 266-4387 Diesel Engine Fuel Injector for  C3500 3508 3512 3516 Construction Machinery Parts Replacement for OEM 2664387 20R-1277 original new injector detail 5

original 266-4387 Diesel Engine Fuel Injector for  C3500 3508 3512 3516 Construction Machinery Parts Replacement for OEM 2664387 20R-1277 original new injector detail 6

original 266-4387 Diesel Engine Fuel Injector for  C3500 3508 3512 3516 Construction Machinery Parts Replacement for OEM 2664387 20R-1277 original new injector detail 7

original 266-4387 Diesel Engine Fuel Injector for  C3500 3508 3512 3516 Construction Machinery Parts Replacement for OEM 2664387 20R-1277 original new injector detail 8

original 266-4387 Diesel Engine Fuel Injector for  C3500 3508 3512 3516 Construction Machinery Parts Replacement for OEM 2664387 20R-1277 original new injector detail 9

original 266-4387 Diesel Engine Fuel Injector for  C3500 3508 3512 3516 Construction Machinery Parts Replacement for OEM 2664387 20R-1277 original new injector detail 10

original 266-4387 Diesel Engine Fuel Injector for  C3500 3508 3512 3516 Construction Machinery Parts Replacement for OEM 2664387 20R-1277 original new injector detail 11

original 266-4387 Diesel Engine Fuel Injector for  C3500 3508 3512 3516 Construction Machinery Parts Replacement for OEM 2664387 20R-1277 original new injector detail 12

Contact Detail:

ADD:Huangpu hinery City, No.585-A, No.138, Southeast Road, Huangpu District, Guangzhou City,

Guangdong Province Tel:+86 020 88557755

Cellphone:+86 18136531233 WhatsApp:+86 18136531233

Email:2209396088@qq.com