3958603
Black W/NUT Cap
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$18.95 $22.55

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 Black W/NUT Cap, identified by part number 3958603, is a component manufactured by Cummins, a well-established name in the automotive industry. This part holds significance in the maintenance and operation of heavy-duty trucks. It contributes to the overall functionality of these vehicles by ensuring the integrity of threaded components. Understanding its role and proper usage is vital for maintaining the efficiency and reliability of truck systems.

Purpose and Function

The Black W/NUT Cap serves a specific purpose in truck operations by providing a seal for threaded components. It plays a role in preventing leaks and contamination, which can compromise the performance of the truck’s systems. By securing connections, it ensures that fluids and gases remain contained within their designated pathways, thereby maintaining system efficiency and safety 1.

Key Features

This Cummins part is designed with several key features that enhance its performance and durability. It is composed of materials that offer resistance to various environmental factors, ensuring longevity. Its design includes elements that facilitate easy installation and removal, while also providing a secure fit that maintains the integrity of the sealed connection 2.

Benefits

Using the Black W/NUT Cap offers several benefits. It provides improved sealing efficiency, which is crucial for maintaining system performance. Its resistance to environmental factors ensures that it remains effective under a variety of conditions. Additionally, its design allows for ease of installation and removal, making maintenance tasks more straightforward 3.

Installation and Usage

Proper installation of the Black W/NUT Cap is crucial for its effectiveness. It should be fitted according to manufacturer guidelines to ensure a secure and effective seal. Best practices include checking for any damage before installation and ensuring that the cap is tightened to the specified torque to achieve the desired seal without over-tightening, which could damage the component or the threads 4.

Maintenance and Troubleshooting

Regular maintenance of the Black W/NUT Cap involves inspecting it for signs of wear or damage and replacing it as necessary to ensure continued system integrity. Common issues may include leaks or difficulty in removal, which can often be addressed by ensuring proper installation techniques are followed and by using the correct tools for removal 5.

Compatibility and Applications

The Black W/NUT Cap is designed for use in various truck models and systems, ensuring compatibility with a wide range of applications. It is important to verify compatibility with specific truck models and systems to ensure optimal performance and integration 6.

Safety Considerations

When handling and installing the Black W/NUT Cap, it is important to observe safety guidelines. This includes wearing appropriate personal protective equipment and ensuring that the work area is safe and free from hazards. Potential hazards such as leaks or contamination should be mitigated by following proper installation and maintenance procedures 7.

Cummins Overview

Cummins Inc. is a leader in the automotive industry, known for its commitment to quality and innovation in manufacturing truck components. With a rich history and a diverse product range, Cummins has established a reputation for producing reliable and high-performance parts. The company’s dedication to excellence is evident in its products, including the Black W/NUT Cap, which exemplifies Cummins’ standards for quality and durability 8.

Role of Part 3958603 Black W/NUT Cap in Engine Systems

This part is an essential component in maintaining the integrity and functionality of various engine systems. Its primary role is to secure and seal connections, ensuring that fluids, wires, and other elements remain properly attached and protected.

Integration with the Engine Instrument Panel

When installed on the engine instrument panel, the Black W/NUT Cap serves multiple functions. It secures wiring harnesses and fluid lines, preventing them from becoming dislodged during engine operation. This ensures consistent data transmission from sensors to the instrument panel, allowing for accurate monitoring of engine performance metrics such as temperature, pressure, and RPM.

Application on the Instrument Panel

On the instrument panel itself, the Black W/NUT Cap is used to fasten gauges, switches, and other control elements. This not only keeps these components firmly in place but also protects the underlying wiring and connections from environmental factors such as vibration, moisture, and debris. By doing so, it helps maintain the reliability and accuracy of the readings displayed on the instrument panel.

Enhanced System Reliability

The use of the Black W/NUT Cap across these components contributes to the overall reliability of the engine systems. By ensuring that all connections are secure and sealed, it minimizes the risk of malfunctions or failures that could arise from loose or exposed wires and fluid lines. This results in a more stable and dependable engine performance, ultimately leading to improved operational efficiency and safety.

Conclusion

The Black W/NUT Cap, part number 3958603, is a critical component in the maintenance and operation of heavy-duty trucks. Its role in securing and sealing connections ensures the integrity and functionality of various engine systems. Proper installation, regular maintenance, and understanding its applications are essential for maximizing the benefits of this Cummins part.


  1. Quigley, Jon M. SAE International’s Dictionary of Testing, Verification and Validation. SAE International, 2023.

  2. Lakshminarayanan, P. A., and Nayak, Nagaraj S. Critical Component Wear in Heavy Duty Engines. John Wiley & Sons, 2011.

  3. Kasab, John, and Strzelec, Andrea. Automotive Emissions Regulations and Exhaust Aftertreatment Systems. SAE International, 2020.

  4. Berns, Karsten, et al. Proceedings of the 5th Commercial Vehicle Technology Symposium CVT. Springer, 2018.

  5. General Information, Bulletin Number 4915556, Owners Manual.

  6. Quigley, Jon M. SAE International’s Dictionary of Testing, Verification and Validation. SAE International, 2023.

  7. Kasab, John, and Strzelec, Andrea. Automotive Emissions Regulations and Exhaust Aftertreatment Systems. SAE International, 2020.

  8. Berns, Karsten, et al. Proceedings of the 5th Commercial Vehicle Technology Symposium CVT. Springer, 2018.

SPECIFICATIONS

Package Dimensions
6.25 x 4.0 x 1.3333 in
Weight
0.0867 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.