4997632
Coupling Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$49.95 $59.44

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

The 4997632 Coupling Tube, manufactured by Cummins, is a component designed for use in commercial truck operations. Cummins, a well-established name in the industry, produces a range of parts and systems aimed at enhancing the efficiency and reliability of heavy-duty trucks. This part is part of this extensive lineup, contributing to the seamless operation of fluid systems within trucks.

Basic Concepts of Coupling Tubes

Coupling tubes are components used in fluid systems to connect different sections of piping or tubing. They facilitate the transfer of fluids such as coolants, lubricants, or hydraulic fluids between various parts of a mechanical system. In the context of trucks, coupling tubes ensure that fluid systems operate efficiently by maintaining consistent fluid flow and pressure 1.

Purpose of the 4997632 Coupling Tube

This Cummins part plays a specific role in the operation of a truck by connecting sections of the fluid system, allowing for the uninterrupted flow of fluids. This component is integral to maintaining the proper function of the truck’s cooling, lubrication, or hydraulic systems, depending on its application.

Key Features

The 4997632 is constructed from durable materials, ensuring it can withstand the pressures and temperatures encountered in truck fluid systems. Its design includes precise threading and sealing mechanisms to prevent leaks and ensure a secure connection. Additionally, the tube may feature corrosion-resistant coatings or materials to enhance its longevity in harsh operating environments.

Benefits

The advantages of using the 4997632 include improved efficiency in fluid transfer, enhanced durability under demanding conditions, and increased reliability in truck operations. Its robust construction and precise engineering contribute to the overall performance and longevity of the truck’s fluid systems.

Installation Process

Installing this part requires careful attention to ensure a secure and leak-free connection. The process involves cleaning the connection points, applying any necessary sealants, aligning the coupling tube with the corresponding fittings, and tightening it to the manufacturer’s specified torque. Tools such as wrenches and torque wrenches may be required to complete the installation.

Common Issues and Troubleshooting

Common problems associated with the 4997632 may include leaks, improper sealing, or damage to the coupling. Troubleshooting steps involve inspecting the connection for signs of wear or damage, ensuring that the coupling is correctly aligned and tightened, and replacing any damaged components as necessary.

Maintenance Tips

To ensure the longevity and optimal performance of the 4997632, regular maintenance practices should be followed. This includes periodic inspection for signs of wear or corrosion, cleaning the coupling and surrounding areas to prevent buildup, and ensuring that all connections are secure and free from leaks.

Compatibility and Applications

The 4997632 is designed for use in specific types of trucks and fluid systems. Its applications may vary depending on the model and make of the truck, as well as the specific requirements of the fluid system it is intended to serve.

Safety Considerations

When handling, installing, or maintaining the 4997632, it is important to observe safety guidelines and precautions. This includes wearing appropriate personal protective equipment, ensuring that the truck’s engine is off and cooled down before beginning work, and following all manufacturer instructions and safety recommendations.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality, innovation, and reliability in the commercial truck industry. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to enhance the performance and efficiency of heavy-duty trucks 2.

Coupling Tube 4997632 in Cummins Engines

The Coupling Tube 4997632, manufactured by Cummins, is a critical component in the engine systems of the QSB4.5 CM2250 EC and QSB6.7 CM2250 engines. This part is integral to the proper functioning of these engines, ensuring that the power generated by the engine is effectively transmitted to the driven components.

In the QSB4.5 CM2250 EC engine, the Coupling Tube 4997632 connects the engine to the transmission, facilitating the transfer of torque. This connection is essential for maintaining the engine’s performance and efficiency. Similarly, in the QSB6.7 CM2250 engine, the same coupling tube serves the same purpose, ensuring a seamless power transfer from the engine to the transmission.

Both engines rely on the precise fit and durability of the Coupling Tube 4997632 to maintain operational integrity. This part is designed to withstand the high stresses and vibrations inherent in engine operation, ensuring a reliable connection that can endure the demands of heavy-duty applications.

Role of Part 4997632 Coupling Tube in Engine Systems

The part 4997632 Coupling Tube is integral to the efficient operation of various engine systems, particularly in managing the breather and crankcase ventilation.

In the breather system, the Coupling Tube facilitates the release of pressure build-up within the engine’s crankcase. This is essential for maintaining optimal engine performance and preventing damage from excessive pressure. The tube connects to the breather valve, allowing controlled venting of gases and moisture that accumulate during engine operation. This process helps in preserving the integrity of the engine’s internal components by ensuring that contaminants are expelled rather than circulated within the system.

Within the crankcase ventilation system, the Coupling Tube plays a significant role in directing the flow of crankcase gases to the intake manifold. This not only helps in reducing emissions but also enhances engine efficiency by reintroducing these gases into the combustion process. The tube ensures a smooth and uninterrupted flow, which is vital for the proper functioning of the Positive Crankcase Ventilation (PCV) system.

Overall, the 4997632 Coupling Tube is a key component that supports the breather and crankcase systems, contributing to the engine’s longevity and performance.

Conclusion

The 4997632 Coupling Tube is a vital component in the operation of commercial trucks, particularly within Cummins’ engine systems. Its role in facilitating the efficient transfer of fluids and gases within the engine ensures optimal performance and longevity. By understanding its purpose, features, and maintenance requirements, truck operators and mechanics can ensure the reliable operation of their vehicles.


  1. Sheng, Gang. Vehicle Noise, Vibration and Sound Quality. SAE International, 2012.

  2. Sobey, Ed. A Field Guide to Automotive Technology. Chicago Review Press, 2009.

SPECIFICATIONS

Notes
Komatsu Only
Package Dimensions
3.0 x 3.0 x 0.5 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.