3921941
Return Line Connector Assembly
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$70.95 $84.43

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

The Return Line Connector Assembly (Part #3921941) by Cummins is a component designed for use in the hydraulic and fuel systems of commercial trucks. Cummins, a well-established manufacturer in the automotive industry, produces this part to ensure efficient fluid management and system integrity in heavy-duty applications 2.

Basic Concepts

Return Line Connector Assemblies are integral to the operation of hydraulic and fuel systems. They facilitate the direction of fluid flow, maintain system pressure, and contribute to the efficient operation of these systems 1. By providing a secure connection point for return lines, these assemblies help manage the circulation of fluids, ensuring that excess fluid is returned to the reservoir and system pressure is maintained within optimal ranges.

Purpose and Function

This Cummins part plays a specific role in the operation of commercial trucks by facilitating the return of excess fluid to the reservoir. This process helps maintain system integrity and contributes to the overall performance of the vehicle. By ensuring that fluid is efficiently circulated and returned, the assembly supports the consistent operation of hydraulic and fuel systems, which are vital for the truck’s functionality.

Key Features

The 3921941 Return Line Connector Assembly is characterized by several notable features that enhance its performance and durability. These include a robust material composition designed to withstand the pressures and temperatures of commercial truck systems, secure connection types that ensure a tight fit, and effective sealing mechanisms that prevent leaks. Additionally, the assembly may incorporate unique design elements that further improve its functionality in demanding environments.

Benefits

The advantages of the 3921941 Return Line Connector Assembly include improved fluid management, which leads to enhanced system efficiency. By ensuring that fluid is properly circulated and returned, the assembly reduces the likelihood of system failures and improves overall vehicle performance. Additionally, the assembly’s design contributes to reduced maintenance requirements and increased reliability, making it a valuable component for commercial truck operators.

Installation and Compatibility

Proper installation of this part is crucial for its effective operation. Guidelines for installation include ensuring compatibility with various truck models and systems, using the necessary tools, following specific procedures, and taking precautions to avoid damage during installation. Adhering to these guidelines ensures the successful integration of the assembly into the truck’s hydraulic or fuel system.

Troubleshooting and Maintenance

Identifying common issues related to the 3921941 Return Line Connector Assembly can help maintain its performance and prolong its lifespan. Techniques for troubleshooting may include leak detection, pressure testing, and cleaning procedures. Regular maintenance, following recommended intervals, is also important for preventing issues and ensuring the assembly continues to operate efficiently.

Safety Considerations

When working with this Cummins part, it is important to observe safety precautions and best practices. This includes being aware of potential hazards, such as high-pressure fluid lines, and using proper handling techniques to avoid injury. Adhering to manufacturer guidelines for safe operation is crucial to ensure the safety of personnel and the integrity of the vehicle’s systems.

Cummins Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its commitment to innovation, quality, and customer satisfaction. With a history of producing reliable and high-performance automotive components, Cummins has established a reputation for excellence. The company’s product offerings include a wide range of engines, powertrains, and components designed to meet the demanding requirements of commercial vehicles 2.

Conclusion

The 3921941 Return Line Connector Assembly by Cummins is a critical component for the efficient operation of hydraulic and fuel systems in commercial trucks. Its robust design, ease of installation, and the benefits it offers in terms of system efficiency and reliability make it a valuable asset for truck operators. Regular maintenance and adherence to safety guidelines are essential for maximizing the performance and lifespan of this part.


  1. Internal Combustion Engine Fundamentals, John Heywood, McGraw-Hill Education, 2019.

  2. Proceedings of the 5th Commercial Vehicle Technology Symposium CVT, Karsten Berns, Klaus Dressler, Patrick Fleischmann, Daniel Grges, Ralf Kalmar, Bernd Sauer, Nicole Stephan, Roman Teutsch, Martin Thul, Springer, 2018.

SPECIFICATIONS

Service Part Topic
93T5-1
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
5.0 x 4.0 x 1.0 in
Weight
0.1 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.