Perkins 2645A751 Common Rail Fuel Injector

Premium Diesel Fuel Injector for Perkins & Caterpillar Engines

The 2645A751 is a common rail diesel fuel injector designed for compatible Perkins 1100 Series industrial diesel engines, including selected 1106C and 1106D configurations such as the 1106D-E66TA. It is also associated with selected Caterpillar C6.6 engine applications.

The injector is a critical component of the common rail fuel system, delivering precisely metered diesel fuel into the combustion chamber. Proper injector performance helps support efficient fuel atomization, combustion, engine response, and overall diesel engine performance.

Product Overview

The Perkins 2645A751 fuel injector is engineered for electronically controlled common rail diesel fuel systems. It is designed to operate under the high-pressure conditions required by modern industrial diesel engines while delivering fuel accurately to the engine cylinders.

A properly functioning injector helps maintain consistent fuel delivery and atomization, which is essential for efficient combustion and reliable engine operation.

Key Features

• Part Number: 2645A751

• Product Type: Common Rail Diesel Fuel Injector

• Fuel Type: Diesel

• Application: Perkins 1100 Series engines

• Designed for selected Perkins 1106C and 1106D applications

• Compatible with selected 1106D-E66TA configurations

• Used in selected Caterpillar C6.6 applications

• Designed for high-pressure common rail fuel systems

• Supports precise fuel delivery and atomization

• Suitable for demanding industrial and heavy-equipment applications

Precise Fuel Delivery

The injector plays a central role in the engine's combustion process by delivering fuel into the combustion chamber at precisely controlled intervals.

The 2645A751 is designed to provide accurate fuel metering and effective atomization, helping the engine achieve consistent combustion across its operating range. Proper fuel delivery can contribute to smooth engine operation, dependable power output, and efficient diesel combustion.

Designed for Heavy-Duty Applications

Perkins 1100 Series engines are widely used in industrial and off-highway equipment. The 2645A751 injector is designed for compatible engine configurations operating in demanding environments such as construction, agriculture, power generation, and industrial applications.

Its common rail design allows the fuel system to operate at high pressure while maintaining precise control over fuel injection.

Compatible Engine Applications

The 2645A751 is associated with selected applications including:

• Perkins 1106C

• Perkins 1106C-E66TA

• Perkins 1106D

• Perkins 1106D-E66TA

• Caterpillar C6.6

• Other compatible Perkins 1100 Series configurations

Important: Engine compatibility can vary according to engine specification, build configuration, and serial number. Always verify the original injector number and engine serial/build information before ordering.

Cross-Reference Numbers

The 2645A751 may cross-reference with selected numbers including:

Note: Cross-reference numbers are provided for identification and compatibility checking. They should not be treated as a guarantee of interchangeability for every engine configuration.

Benefits of 2645A751 Injector

• Supports precise diesel fuel delivery

• Designed for high-pressure common rail systems

• Helps maintain consistent fuel atomization

• Supports efficient combustion

• Helps maintain stable engine performance

• Suitable for demanding industrial diesel applications

• Designed for compatible Perkins and Caterpillar engines

• Replacement solution for selected original injector applications

Installation & Maintenance

Fuel injectors operate within a high-pressure diesel fuel system and should be installed by a qualified technician using the engine manufacturer's recommended procedures.

Before installation:

1. Verify the 2645A751 part number.

2. Confirm the engine model and serial number.

3. Compare the replacement injector with the original component.

4. Follow the manufacturer's installation and torque specifications.

5. Keep the fuel system and injector components clean during installation.

6. Check the fuel system for leaks after installation.

When replacing multiple injectors, the condition of the remaining injectors should also be evaluated. Depending on the engine manufacturer's service recommendations and injector condition, replacing injectors as a matched set may help maintain consistent cylinder fuel delivery.

Product Specifications

Why Choose 2645A751?

The Perkins 2645A751 common rail fuel injector is a precision fuel-system component designed for compatible Perkins and Caterpillar industrial diesel engines. By providing controlled fuel delivery and effective atomization, it helps support reliable combustion and consistent engine performance.

For the correct replacement, always match the injector part number, engine model, and engine serial/build information before purchase. This is especially important for Perkins 1100 Series engines, where injector specifications can vary between engine configurations.