3694651
Fuel Filter
Cummins®

AVAILABLE

Cummins®

5 are currently available

Ships within 2-4 business days

$349.95 $416.44

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

Introduction

The Cummins 3694651 Fuel Filter is engineered to maintain the integrity of the fuel system in commercial trucks. This part removes impurities and contaminants from the fuel before it reaches the engine, supporting efficient and reliable engine operation. The significance of this filter lies in its ability to enhance engine performance and longevity by ensuring that only clean fuel is delivered to the combustion chambers 1.

Basic Concepts of Fuel Filters

A fuel filter is a device that removes impurities and contaminants from the fuel as it travels from the tank to the engine. Within a truck’s fuel system, the filter plays a role in safeguarding the engine from damage caused by particulate matter and water. Clean fuel is important for optimal engine performance, as contaminants can lead to inefficient combustion, increased wear on engine components, and potential system failures 2.

Role of the Cummins 3694651 Fuel Filter in Truck Operation

This Cummins part is integral to the proper functioning of a truck’s engine. It performs fuel purification by capturing particles and water that could otherwise cause damage or reduce efficiency. By maintaining clean fuel, the filter contributes to consistent engine operation and protects sensitive components within the fuel system from wear and corrosion.

Key Features

The Cummins 3694651 Fuel Filter is characterized by its robust design and the materials used in its construction, which are chosen for their durability and efficiency. The filter offers high filtration efficiency, effectively removing a wide range of contaminants from the fuel. Unique attributes of this filter may include advanced filtration media and a design that maximizes the filter’s service life while minimizing the risk of bypass or leakage.

Benefits of Using the Cummins 3694651 Fuel Filter

Utilizing this Cummins part can lead to improved engine performance due to the delivery of clean fuel. This can result in increased fuel efficiency as the engine operates more smoothly and with greater precision. Additionally, the reduction of contaminants in the fuel contributes to extended engine life, as the risk of wear and damage to engine components is diminished.

Installation and Compatibility

Proper installation of the Cummins 3694651 Fuel Filter is important to ensure a secure fit and optimal performance. Installation procedures may require specific tools and should be conducted in accordance with manufacturer guidelines to avoid issues such as leaks or improper seating. Compatibility with the truck’s fuel system is also a consideration, ensuring that the filter fits correctly and functions as intended.

Maintenance and Service Intervals

Regular maintenance of the Cummins 3694651 Fuel Filter is important to sustain its effectiveness. Recommended service intervals should be followed to replace the filter before it becomes clogged or less effective. Inspection procedures can help identify when the filter may need replacement, such as when there is a noticeable decline in engine performance or fuel efficiency.

Troubleshooting Common Issues

Common problems associated with fuel filters include reduced engine performance and difficulty starting. These issues can often be traced back to a clogged or failing filter. Diagnosing and resolving these problems may involve inspecting the filter for signs of contamination or damage, and replacing it if necessary to restore proper fuel flow and engine function.

Cummins Corporation Overview

Cummins Inc. is a leader in the automotive industry, known for its commitment to innovation and the development of a wide range of products, including the 3694651 Fuel Filter. With a history of providing reliable and high-quality components, Cummins plays a significant role in enhancing the performance and durability of commercial vehicles through its advanced engineering and manufacturing processes.

Cummins Fuel Filter 3694651 Compatibility with Various Engines

The Cummins Fuel Filter part number 3694651 is designed to be compatible with a range of engines, ensuring optimal fuel filtration and engine performance. This filter is engineered to meet the stringent requirements of modern diesel engines, providing reliable filtration to protect engine components from contaminants.

ISG11 CM2880 G108 and ISG12 CM2880 G107

The Cummins Fuel Filter 3694651 is specifically designed to fit seamlessly with the ISG11 CM2880 G108 and ISG12 CM2880 G107 engines. These engines are known for their robust performance and efficiency, and the fuel filter ensures that the fuel supplied to these engines is clean and free from impurities. This compatibility is crucial for maintaining the longevity and reliability of these engines.

X11 CM2670 X126B, X12 CM2670 X121B, and X13 CM2670 X122B

Similarly, the Cummins Fuel Filter 3694651 is also compatible with the X11 CM2670 X126B, X12 CM2670 X121B, and X13 CM2670 X122B engines. These engines, part of the CM2670 series, benefit from the advanced filtration technology of this fuel filter. By ensuring that the fuel is clean and free from contaminants, the filter helps in maintaining the efficiency and performance of these engines.

The compatibility of the Cummins Fuel Filter 3694651 with these engines underscores its versatility and effectiveness in providing reliable filtration across different engine models. This ensures that users can confidently rely on this fuel filter to protect their engines and maintain optimal performance.

Role of Part 3694651 Fuel Filter in Engine Systems

The part 3694651 Fuel Filter is an essential component in the fuel delivery system of an engine. Its primary function is to remove impurities and contaminants from the fuel before it reaches the engine’s combustion chamber. This ensures that the fuel delivered is clean and free from particles that could potentially damage sensitive engine components.

Interaction with Fuel Pump

The fuel filter is typically positioned between the fuel tank and the fuel pump. As the fuel pump draws fuel from the tank, the filter captures debris and sediment, preventing these particles from entering the fuel lines and reaching the fuel injectors or carburetor.

Relationship with Fuel Injectors

In modern engines equipped with fuel injectors, the filtered fuel passes through the fuel filter before being atomized into the combustion chamber. Clean fuel ensures that the injectors operate efficiently, providing precise fuel delivery and maintaining optimal engine performance.

Impact on Carburetor Systems

For engines utilizing a carburetor, the fuel filter plays a similarly important role. It ensures that the fuel-air mixture entering the carburetor is free from contaminants, which helps in maintaining the carburetor’s jets and passages clean, thereby ensuring smooth engine operation.

Contribution to Fuel Pressure Regulator

The fuel filter also supports the function of the fuel pressure regulator by ensuring that the fuel it regulates is clean. This helps in maintaining consistent fuel pressure, which is vital for the engine’s efficient operation.

Effect on Fuel Rail and Injectors

In fuel-injected systems, the filtered fuel travels through the fuel rail to the injectors. The fuel filter’s role in removing contaminants helps protect the injectors from clogging, ensuring they deliver fuel accurately and consistently.

Role in Maintaining Engine Health

Overall, the part 3694651 Fuel Filter contributes to the longevity and reliability of the engine by ensuring that only clean fuel is used in the combustion process. This reduces the risk of engine wear, improves fuel efficiency, and helps in maintaining consistent engine performance over time.

Conclusion

The Cummins 3694651 Fuel Filter is a critical component in the maintenance of a truck’s fuel system. By ensuring the delivery of clean fuel to the engine, this part supports efficient engine operation, enhances performance, and contributes to the longevity of the engine. Regular maintenance and proper installation are important to maximize the benefits of this filter.


  1. Atkins, Richard D. An Introduction to Engine Testing and Development. SAE International, 2009.

  2. Han, Zhiyu. Simulation and Optimization of Internal Combustion Engines. SAE International, 2022.

SPECIFICATIONS

Package Dimensions
21.26 x 11.42 x 9.06 in
Weight
11.46 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.