4918679
Fuel System Leak Tester
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$124.95 $148.69

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 4918679 Fuel System Leak Tester is a specialized tool designed to maintain the integrity of truck fuel systems. Its purpose is to detect leaks within the fuel system, ensuring that the system operates efficiently and safely. This tester is significant in the maintenance routine of trucks, particularly those equipped with Cummins engines, as it helps in preserving engine performance and preventing potential safety hazards associated with fuel leaks 1.

Purpose and Functionality

The Cummins 4918679 Fuel System Leak Tester plays a role in the operation of a truck by identifying leaks in the fuel system. It works by pressurizing the fuel system and monitoring for any drops in pressure, which would indicate a leak. Early detection of leaks is important for maintaining engine performance and safety, as it prevents fuel loss, reduces the risk of fire, and ensures that the engine operates with the correct fuel pressure 2.

Key Features

The primary features of the Cummins 4918679 Fuel System Leak Tester include its robust design, which is tailored to withstand the demanding conditions of truck maintenance environments. It comprises several components, such as pressure gauges and connection fittings, designed for ease of use and accuracy in leak detection. Unique attributes of this tester include its ability to provide precise readings and its compatibility with a wide range of fuel system configurations 3.

Benefits of Using the Cummins 4918679 Fuel System Leak Tester

Incorporating the Cummins 4918679 Fuel System Leak Tester into regular maintenance routines offers several advantages. It contributes to improved engine efficiency by ensuring that the fuel system operates without leaks, which can cause engine performance issues. Additionally, it reduces the risk of fuel contamination and enhances safety through the early detection of leaks, preventing potential hazards associated with fuel spills 4.

Troubleshooting and Maintenance Suggestions

Common issues with the Cummins 4918679 Fuel System Leak Tester may include inaccurate readings or difficulty in detecting small leaks. Recommended maintenance practices to ensure optimal performance include calibrating the tester regularly, cleaning components to remove any fuel residue, and addressing false positives or negatives by verifying test results with additional checks. Proper maintenance of the tester ensures its reliability and accuracy in detecting fuel system leaks.

Integration with Cummins Engines

The Cummins 4918679 Fuel System Leak Tester is designed to work seamlessly with Cummins engines. It incorporates specific compatibility features and design considerations that ensure it can effectively test the fuel systems of Cummins-powered trucks. This integration facilitates efficient and accurate leak detection, contributing to the overall maintenance and performance of Cummins engines.

Safety Considerations

When using the Cummins 4918679 Fuel System Leak Tester, it is important to observe safety protocols and precautions. These include proper handling of fuel system components to avoid spills and injuries, and careful interpretation of test results to accurately identify leaks. Adhering to safety guidelines ensures the safe and effective use of the tester in maintaining truck fuel systems.

Environmental Impact

The use of the Cummins 4918679 Fuel System Leak Tester contributes to environmental benefits by reducing fuel spills and contamination. By detecting and addressing leaks in the fuel system, it helps minimize the release of fuel into the environment, thereby contributing to overall engine efficiency and reducing the environmental footprint of truck operations.

Cummins Company Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation in engine technology and components, Cummins is committed to delivering high-quality products that meet the needs of its customers. The development of the 4918679 Fuel System Leak Tester reflects Cummins’ dedication to enhancing engine performance, safety, and environmental responsibility through innovative solutions.

Role of Part 4918679 Fuel System Leak Tester in Engine Systems

The 4918679 Fuel System Leak Tester is an indispensable tool for ensuring the integrity of fuel systems across various engine setups. When integrated with a Tool Certification Kit, it enhances the precision and reliability of fuel system diagnostics.

Integration with Tool Certification Kit

The Tool Certification Kit serves as a comprehensive package that validates the accuracy and functionality of diagnostic tools. When the 4918679 Fuel System Leak Tester is part of this kit, it undergoes rigorous certification processes to ensure it meets industry standards. This integration allows mechanics and engineers to trust the tester’s readings, providing confidence in the diagnosis of fuel system issues.

Application in Fuel System Diagnostics

In practical applications, the 4918679 Fuel System Leak Tester is employed to identify leaks within the fuel delivery system. This includes components such as fuel injectors, fuel rails, and fuel lines. By connecting the tester to these components, professionals can detect even the smallest leaks that might otherwise go unnoticed.

Enhancing Maintenance Procedures

Incorporating the 4918679 Fuel System Leak Tester into regular maintenance routines allows for proactive identification of potential issues. This can prevent more significant problems down the line, such as engine misfires or reduced fuel efficiency. The tester’s ability to provide real-time data aids in making informed decisions about necessary repairs or adjustments.

Supporting Comprehensive Engine Diagnostics

Beyond leak detection, the 4918679 Fuel System Leak Tester contributes to a broader diagnostic approach. When used in conjunction with other tools from the certification kit, it offers a holistic view of the engine’s fuel system performance. This comprehensive analysis is vital for maintaining optimal engine health and ensuring consistent performance.

Conclusion

The Cummins 4918679 Fuel System Leak Tester is a critical component in the maintenance and safety of truck fuel systems. Its ability to detect leaks early, integrate with Cummins engines, and contribute to environmental benefits makes it an essential tool for professionals in the field. Regular use and maintenance of this tester ensure the reliability and efficiency of truck fuel systems, ultimately supporting the performance and safety of Cummins-powered vehicles.


  1. Harrison, Matthew. Controlling Noise and Vibration in Road Vehicles. SAE International, 2004.

  2. Reif, Konrad (Ed.). Brakes Brake Control and Driver Assistance Systems Function Regulation and Components. Springer, 2014.

  3. Lejda, Kazimierz, and Pawel Wos. Internal Combustion Engines. InTech, 2012.

  4. Department of Energy. Department of Energy Fundamentals Handbook. Department of Energy, 2015.

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SPECIFICATIONS

Service Part Topic
07T0-87
Package Dimensions
7.5 x 7.5 x 0.5 in
Weight
0.45 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.