3655943
Seal Retainer
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$224.95 $267.69

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

The Cummins 3655943 Seal Retainer is a component designed to enhance the reliability and efficiency of heavy-duty truck systems. Its role is significant in maintaining the integrity of seals within the engine or transmission, contributing to the overall performance and longevity of the vehicle.

Basic Concepts of Seal Retainers

A seal retainer is a mechanical component that supports and secures seals in place. Its general function is to ensure that seals remain correctly positioned and operational, which is vital for preventing leaks and maintaining the efficiency of various system components. Seal retainers contribute to the overall integrity and performance of mechanical systems by providing stability and support to seals, which are crucial for containing fluids and preventing contamination 1.

Purpose of the 3655943 Seal Retainer

The 3655943 Seal Retainer plays a specific role in the operation of heavy-duty trucks by securing seals within the engine or transmission system. This ensures that seals function correctly, maintaining fluid containment and preventing leaks. By doing so, it helps to preserve the efficiency and reliability of the truck’s critical systems.

Key Features

The Cummins 3655943 Seal Retainer is characterized by several key features that enhance its performance. It is typically made from durable materials that can withstand the harsh conditions of heavy-duty applications. The design includes precise engineering to ensure a secure fit and optimal function. Additionally, it may feature unique characteristics such as anti-rotation mechanisms to prevent seal misalignment.

Benefits of Using the 3655943 Seal Retainer

Utilizing the 3655943 Seal Retainer offers several advantages. It provides improved seal performance by ensuring seals remain in the correct position, which enhances the efficiency of the engine or transmission system. The retainer contributes to the longevity of seals by protecting them from wear and damage, thereby increasing the overall reliability of the truck.

Installation Process

Proper installation of the 3655943 Seal Retainer involves several steps to ensure correct fitting and function. Begin by preparing the area where the retainer will be installed, ensuring it is clean and free of debris. Use the appropriate tools to position the retainer securely around the seal. Verify that the retainer is correctly aligned and seated to prevent any issues with seal performance.

Maintenance Tips

To ensure optimal performance of the 3655943 Seal Retainer, regular maintenance is recommended. This includes periodic inspections to check for signs of wear or damage. Look for any indications of misalignment or deterioration, and address these issues promptly to prevent potential leaks or system failures. Following manufacturer guidelines for inspection intervals will help maintain the integrity of the seal retainer and associated seals.

Troubleshooting Common Issues

Common problems associated with seal retainers can include misalignment, wear, or damage. If issues arise, begin by inspecting the retainer and seal for any visible signs of damage. Ensure that the retainer is correctly positioned and that the seal is intact. If necessary, replace the retainer or seal to restore proper function. Regular maintenance and timely inspections can help identify and address these issues before they lead to more significant problems.

Cummins Corporation Overview

Cummins Inc. is a well-established company with a strong reputation in the automotive and heavy-duty truck industry. Founded in 1919, Cummins has a long history of innovation and quality, offering a wide range of products including engines, filtration systems, and aftermarket parts. The company is known for its commitment to reliability and performance, making it a trusted name in the industry 2.

Cummins Seal Retainer Part 3655943 Compatibility

The Cummins Seal Retainer part number 3655943 is designed to fit seamlessly with several engine models, ensuring optimal performance and reliability. This part is crucial for maintaining the integrity of the engine’s sealing system, which is vital for preventing leaks and ensuring efficient operation.

NH/NT 855 Engines

The Seal Retainer part 3655943 is compatible with the NH/NT 855 engines. This compatibility ensures that the seal retainer fits precisely within the engine’s design, providing a secure and effective seal that is essential for the engine’s longevity and performance.

QSNT14 CM876 N102 Engines

Similarly, the Seal Retainer part 3655943 is also compatible with the QSNT14 CM876 N102 engines. This compatibility is crucial for maintaining the engine’s sealing integrity, ensuring that the part fits perfectly within the engine’s design parameters. This ensures that the engine operates efficiently and reliably, with minimal risk of leaks or other sealing-related issues.

Grouping of Engines

The Seal Retainer part 3655943 is engineered to fit within the broader family of Cummins engines, including the NH/NT 855 and QSNT14 CM876 N102 models. This grouping is based on the shared design and engineering principles that ensure the part’s compatibility and effectiveness across these engine models. By fitting seamlessly within these engines, the seal retainer plays a critical role in maintaining the engine’s sealing system, ensuring optimal performance and reliability.

Role of Part 3655943 Seal Retainer in Engine Systems

In the context of engine systems, the Seal Retainer (part 3655943) is instrumental in maintaining the integrity and efficiency of various components. Specifically, it is designed to work in conjunction with the Flywheel Housing and the Flywheel.

Integration with Flywheel Housing

The Flywheel Housing is a critical component that encases the flywheel, providing structural support and protection. The Seal Retainer plays a significant role here by ensuring that seals within the housing remain in optimal condition. It helps to prevent seal displacement, which could lead to oil leaks or contamination. This, in turn, maintains the lubrication system’s efficiency, ensuring smooth operation of the flywheel and other moving parts within the housing.

Function in Flywheel Assembly

In the Flywheel Assembly, the Seal Retainer is positioned to support the seals that interface with the flywheel. As the flywheel rotates, it creates centrifugal forces that can push seals outward. The Seal Retainer counteracts these forces, keeping the seals properly seated and functional. This is essential for maintaining the flywheel’s balance and the overall stability of the engine system.

Overall System Benefits

By integrating the Seal Retainer into these components, the engine system benefits from enhanced reliability and performance. The consistent sealing provided by the retainer helps to preserve the integrity of the lubrication system, reduce wear on moving parts, and ensure that the engine operates within specified tolerances. This leads to improved engine longevity and reduced maintenance requirements.

Conclusion

The Cummins 3655943 Seal Retainer is a vital component in the maintenance and efficiency of heavy-duty truck engines. Its precise engineering, durable materials, and compatibility with various engine models make it an essential part for ensuring the reliability and performance of these systems. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part, contributing to the overall longevity and efficiency of the vehicle.


  1. 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

  2. Gasoline Engine Management Systems and Components, Konrad Reif Ed, Springer Vieweg, 2015

SPECIFICATIONS

Package Dimensions
26.0 x 25.0 x 14.0 in
Weight
2.08 lbs
* 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.