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original 321-3600 Diesel Fuel Injector Nozzle 3213600 10R-7938 326-4700 320-0690 for C4.4 C6.6 1106D-E66TA Engine D6K D6N 953D R1300G 323D E320D Loader Tractor original new injector
Detail Information
Place of Origin:
USA
Certification:
IOS+86 18136531233
Contact:
0086 18136531233
REMAN Num:
321-3600
Part Number:
10R-7938
Part Number 2:
326-4700
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 Fuel Injector Nozzle for C4.4 engine

,

321-3600 Fuel Injector with warranty

,

D6K Loader Tractor fuel injector

Product Description

original 321-3600 Diesel Fuel Injector Nozzle 3213600 10R-7938 326-4700 320-0690 for C4.4 C6.6 1106D-E66TA Engine D6K D6N 953D R1300G 323D E320D Loader Tractor original new injector

Fuel Type

Diesel

Condition

New / OEM Replacement

Applicable Engine

C6, C6.4, C6.6 Diesel Engines

Injector Type

Common Rail Fuel Injector Assembly

Quality Standard

OEM Standard Calibration - Flow Rate and Spray Pattern Tested

Packaging

Neutral Industrial Packaging

Fuel System

High Pressure Common Rail System

OE Number

321-3600

Brand

.

Cross Number / Universal Number

321-3600, 10R-7938, 2645A753, 320-3800

Vehicle / Equipment Application

312D, 320D, 323D Excavators; 924H Loader; D6K Dozer; AP600D Paver; C6-Powered Generator Sets; Forestry Equipment

Application Type

Construction, Mining, Agriculture, Power Generation, Marine Auxiliary

Engineered for demanding industrial diesel platforms, this common rail fuel injector assembly (OE 321-3600, cross-referenced to 10R-7938, 2645A753, and 320-3800) delivers precision fuel metering for C6, C6.4, and C6.6 diesel engines. Each unit is manufactured to OEM specifications and calibrated on professional test benches to verify flow rate and spray pattern consistency, ensuring reliable combustion performance across a wide range of operating loads and duty cycles typical of heavy-duty industrial applications.

Built with hardened alloy steel bodies, precision-ground internal components, and corrosion-resistant protective coatings, the injector is designed for long service life in harsh operating environments. High pressure injection technology and enhanced fuel atomization produce fine spray particles that support cleaner, more efficient combustion, helping equipment meet Tier III and regional emission requirements. Typical applications include 312D, 320D, and 323D excavators, 924H wheel loaders, D6K dozers, AP600D pavers, forestry machines, mining trucks, auxiliary power systems, agricultural irrigation and harvesting units, standby diesel generator sets, and marine harbor equipment.

For optimal service life, clean the injector bore thoroughly, replace sealing washers and O-rings, verify fuel rail pressure, check return fuel flow, calibrate as required, and perform a leakage test after installation. Diagnostic procedures include fault code checks, return flow testing, injector balance tests, spray pattern inspection, nozzle wear evaluation, and ECU signal confirmation. Maintain clean diesel fuel and replace fuel filters regularly to prevent contamination.

original 321-3600 Diesel Fuel Injector Nozzle 3213600 10R-7938 326-4700 320-0690 for C4.4 C6.6 1106D-E66TA Engine D6K D6N 953D R1300G 323D E320D Loader Tractor original new injector

original 321-3600 Diesel Fuel Injector Nozzle 3213600 10R-7938 326-4700 320-0690 for C4.4 C6.6 1106D-E66TA Engine D6K D6N 953D R1300G 323D E320D Loader Tractor original new injector

original 321-3600 Diesel Fuel Injector Nozzle 3213600 10R-7938 326-4700 320-0690 for C4.4 C6.6 1106D-E66TA Engine D6K D6N 953D R1300G 323D E320D Loader Tractor original new injector detail 1

original 321-3600 Diesel Fuel Injector Nozzle 3213600 10R-7938 326-4700 320-0690 for C4.4 C6.6 1106D-E66TA Engine D6K D6N 953D R1300G 323D E320D Loader Tractor original new injector detail 2

original 321-3600 Diesel Fuel Injector Nozzle 3213600 10R-7938 326-4700 320-0690 for C4.4 C6.6 1106D-E66TA Engine D6K D6N 953D R1300G 323D E320D Loader Tractor original new injector detail 3

original 321-3600 Diesel Fuel Injector Nozzle 3213600 10R-7938 326-4700 320-0690 for C4.4 C6.6 1106D-E66TA Engine D6K D6N 953D R1300G 323D E320D Loader Tractor original new injector detail 4

original 321-3600 Diesel Fuel Injector Nozzle 3213600 10R-7938 326-4700 320-0690 for C4.4 C6.6 1106D-E66TA Engine D6K D6N 953D R1300G 323D E320D Loader Tractor original new injector detail 5

original 321-3600 Diesel Fuel Injector Nozzle 3213600 10R-7938 326-4700 320-0690 for C4.4 C6.6 1106D-E66TA Engine D6K D6N 953D R1300G 323D E320D Loader Tractor original new injector detail 6

original 321-3600 Diesel Fuel Injector Nozzle 3213600 10R-7938 326-4700 320-0690 for C4.4 C6.6 1106D-E66TA Engine D6K D6N 953D R1300G 323D E320D Loader Tractor original new injector detail 7

original 321-3600 Diesel Fuel Injector Nozzle 3213600 10R-7938 326-4700 320-0690 for C4.4 C6.6 1106D-E66TA Engine D6K D6N 953D R1300G 323D E320D Loader Tractor original new injector detail 8

original 321-3600 Diesel Fuel Injector Nozzle 3213600 10R-7938 326-4700 320-0690 for C4.4 C6.6 1106D-E66TA Engine D6K D6N 953D R1300G 323D E320D Loader Tractor original new injector detail 9

original 321-3600 Diesel Fuel Injector Nozzle 3213600 10R-7938 326-4700 320-0690 for C4.4 C6.6 1106D-E66TA Engine D6K D6N 953D R1300G 323D E320D Loader Tractor original new injector detail 10

original 321-3600 Diesel Fuel Injector Nozzle 3213600 10R-7938 326-4700 320-0690 for C4.4 C6.6 1106D-E66TA Engine D6K D6N 953D R1300G 323D E320D Loader Tractor original new injector detail 11

original 321-3600 Diesel Fuel Injector Nozzle 3213600 10R-7938 326-4700 320-0690 for C4.4 C6.6 1106D-E66TA Engine D6K D6N 953D R1300G 323D E320D Loader Tractor 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