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Caterpillar original Fuel Injector C6.6 Engine Series 2645A746 Cross Reference 10R-7971, 320-0690 Replacement for OEM Parts Excavator Construction Machinery 320E 420E 320-0677 original new injector
Detail Information
Place of Origin:
USA
Certification:
Contact: 86+ 19959162250
Product Name:
CATerpillar Injector
OE NO:
2645A746
OE NO1:
10R-7971
OE NO2:
320-0690
Warranty:
12 Months
Contact:
86+ 19959162250
Quality:
Brand New Genuine
Car Model:
CATERPILLA ENGINE
ApplicATio:
Fuel Injection System
Material:
High Speed Steel
Type:
Diesel
SIZE:
Origional Standard
Supply Ability:
1000pcs/months
Highlight:

Caterpillar C6.6 fuel injector

,

2645A746 OEM excavator injector

,

320E 420E diesel injector replacement

Product Description

Caterpillar original Fuel Injector C6.6 Engine Series 2645A746 Cross Reference 10R-7971, 320-0690 Replacement for OEM Parts Excavator Construction Machinery 320E 420E 320-0677 original new injector

Fuel Type

Diesel

Condition

New

Applicable Engine

Caterpillar CAT C6 / C6.4 / C6.6

Injector Type

Common Rail Fuel Injector

Quality Standard

OEM Quality

Packaging

Standard Export Packaging

Fuel System

Common Rail Fuel Injection System

OE Number

2645A746

Brand

CAT (Caterpillar)

Cross Number / Universal Number

326-1643, 3261643

Vehicle / Equipment Application

Excavator, Wheel Loader, Bulldozer, Generator Set, Industrial Power Unit

Application Type

Construction, Mining, Agriculture, Marine, Power Generation

Consistent fuel atomization is critical to the performance and efficiency of any diesel engine, and the Caterpillar 2645A746 fuel injector is engineered to deliver it. Designed for the CAT C6 engine platform, this OEM-quality common rail injector directly replaces cross reference numbers 326-1643 and 3261643, ensuring a precise fit and reliable operation within the factory fuel injection system. As a core component of the combustion process, it meters and sprays diesel fuel at high pressure, supporting stable power output, responsive engine behavior, and controlled fuel consumption across demanding duty cycles.

This injector is compatible with Caterpillar C6, C6.4, and C6.6 diesel engines, including ACERT variants, making it a versatile replacement solution across a wide range of equipment. Typical applications include hydraulic excavators, wheel loaders, bulldozers, generator sets, and industrial power units operating in construction, mining, agriculture, and marine environments. For fleet operators, dealers, and maintenance providers, the clear cross-reference to 326-1643 simplifies parts identification, reduces sourcing errors, and helps shorten equipment downtime during scheduled service or unexpected repairs.

Manufactured to OEM quality standards, the 2645A746 injector assembly delivers the durability required for heavy-duty, high-hour operation, providing dependable sealing, consistent injection performance, and long service life under harsh working conditions. It is an ideal, cost-effective sourcing option for distributors, repair shops, and equipment owners seeking OEM-quality replacement coverage for the CAT C6 engine family.

Caterpillar original Fuel Injector C6.6 Engine Series 2645A746 Cross Reference 10R-7971, 320-0690 Replacement for OEM Parts Excavator Construction Machinery 320E 420E 320-0677 original new injector

Caterpillar original Fuel Injector C6.6 Engine Series 2645A746 Cross Reference 10R-7971, 320-0690 Replacement for OEM Parts Excavator Construction Machinery 320E 420E 320-0677 original new injector

Caterpillar original Fuel Injector C6.6 Engine Series 2645A746 Cross Reference 10R-7971, 320-0690 Replacement for OEM Parts Excavator Construction Machinery 320E 420E 320-0677 original new injector detail 1

Caterpillar original Fuel Injector C6.6 Engine Series 2645A746 Cross Reference 10R-7971, 320-0690 Replacement for OEM Parts Excavator Construction Machinery 320E 420E 320-0677 original new injector detail 2

Caterpillar original Fuel Injector C6.6 Engine Series 2645A746 Cross Reference 10R-7971, 320-0690 Replacement for OEM Parts Excavator Construction Machinery 320E 420E 320-0677 original new injector detail 3

Caterpillar original Fuel Injector C6.6 Engine Series 2645A746 Cross Reference 10R-7971, 320-0690 Replacement for OEM Parts Excavator Construction Machinery 320E 420E 320-0677 original new injector detail 4

Caterpillar original Fuel Injector C6.6 Engine Series 2645A746 Cross Reference 10R-7971, 320-0690 Replacement for OEM Parts Excavator Construction Machinery 320E 420E 320-0677 original new injector detail 5

Caterpillar original Fuel Injector C6.6 Engine Series 2645A746 Cross Reference 10R-7971, 320-0690 Replacement for OEM Parts Excavator Construction Machinery 320E 420E 320-0677 original new injector detail 6

Caterpillar original Fuel Injector C6.6 Engine Series 2645A746 Cross Reference 10R-7971, 320-0690 Replacement for OEM Parts Excavator Construction Machinery 320E 420E 320-0677 original new injector detail 7

Caterpillar original Fuel Injector C6.6 Engine Series 2645A746 Cross Reference 10R-7971, 320-0690 Replacement for OEM Parts Excavator Construction Machinery 320E 420E 320-0677 original new injector detail 8

Caterpillar original Fuel Injector C6.6 Engine Series 2645A746 Cross Reference 10R-7971, 320-0690 Replacement for OEM Parts Excavator Construction Machinery 320E 420E 320-0677 original new injector detail 9

Caterpillar original Fuel Injector C6.6 Engine Series 2645A746 Cross Reference 10R-7971, 320-0690 Replacement for OEM Parts Excavator Construction Machinery 320E 420E 320-0677 original new injector detail 10

Caterpillar original Fuel Injector C6.6 Engine Series 2645A746 Cross Reference 10R-7971, 320-0690 Replacement for OEM Parts Excavator Construction Machinery 320E 420E 320-0677 original new injector detail 11

Caterpillar original Fuel Injector C6.6 Engine Series 2645A746 Cross Reference 10R-7971, 320-0690 Replacement for OEM Parts Excavator Construction Machinery 320E 420E 320-0677 original new injector detail 12

Contact Detail:

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

Guangdong Province Tel:+86 020 88557755

Cellphone:+86 19959162250 WhatsApp:+86 19959162250

Email:2209396088@qq.com