4970937
Water Inlet Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$194.95 $231.99

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 4970937 Water Inlet Tube is a component designed by Cummins, a leading manufacturer in the automotive and heavy-duty truck industry. This part is integral to the cooling system of heavy-duty trucks, ensuring that the engine operates within optimal temperature ranges. Cummins, known for its robust and reliable products, manufactures this water inlet tube to meet the demanding requirements of heavy-duty applications 1.

Basic Concepts of Water Inlet Tubes

A Water Inlet Tube is a component within the engine cooling system that facilitates the flow of coolant into the engine. Its primary function is to direct coolant from the radiator to the engine block, where it absorbs heat generated during combustion. By maintaining a consistent coolant flow, the water inlet tube helps in regulating engine temperature, which is vital for the engine’s efficiency and longevity 2.

Purpose of the 4970937 Water Inlet Tube

The 4970937 Water Inlet Tube plays a specific role in the operation of a truck by ensuring that coolant is efficiently directed to the engine. This part is designed to connect the radiator to the engine block, allowing for a smooth and uninterrupted flow of coolant. Proper coolant circulation is necessary to prevent overheating, which can lead to engine damage 3.

Key Features

The 4970937 Water Inlet Tube is constructed with high-quality materials to ensure durability and performance. Its design includes precise fittings and connections that facilitate a secure attachment to both the radiator and the engine block. Additionally, the tube is engineered to withstand the high pressures and temperatures typical in heavy-duty truck engines, ensuring reliable performance under demanding conditions 4.

Benefits

Using the 4970937 Water Inlet Tube offers several advantages. It enhances coolant flow, which contributes to better engine temperature regulation. This, in turn, provides enhanced engine protection against overheating and potential damage. The tube’s robust construction and design also increase the reliability of the cooling system, ensuring consistent performance over time.

Installation Process

Installing the 4970937 Water Inlet Tube requires careful attention to detail to ensure a secure and effective fit. The process involves disconnecting the old tube, cleaning the connection points, and attaching the new tube using the appropriate tools. It is important to follow manufacturer guidelines to avoid leaks and ensure proper coolant flow. Best practices include checking for proper alignment and securing all connections tightly.

Common Issues and Troubleshooting

Common issues with the 4970937 Water Inlet Tube may include leaks or blockages. These problems can often be traced to improper installation, wear and tear, or debris within the cooling system. Troubleshooting steps involve inspecting the tube and connections for signs of damage or misalignment, cleaning the system to remove any debris, and ensuring all connections are secure. Regular maintenance can help prevent these issues.

Maintenance Tips

To ensure the longevity and optimal performance of the 4970937 Water Inlet Tube, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning the tube and connections to prevent blockages, and ensuring that all fittings remain secure. Adhering to these maintenance practices can help maintain the efficiency of the cooling system and extend the life of the tube.

Compatibility and Application

The 4970937 Water Inlet Tube is designed for use in specific types of heavy-duty trucks and engines. It is important to verify compatibility with the vehicle’s make and model to ensure proper fit and function. This part is engineered to meet the rigorous demands of heavy-duty applications, providing reliable performance in a variety of operating conditions.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emission solutions. With a history of innovation and quality, Cummins has established a strong reputation in the automotive and heavy-duty truck industry. The company’s product range is designed to meet the needs of various applications, ensuring reliable performance and efficiency.

Water Inlet Tube (Part 4970937) Compatibility with Cummins Engines

The Water Inlet Tube, identified by part number 4970937 and manufactured by Cummins, is a critical component in the cooling system of several Cummins engine models. This part is designed to facilitate the flow of coolant into the engine, ensuring optimal thermal management and performance.

QSK19 Engines

The QSK19 engine series, known for its robust design and high power output, incorporates the Water Inlet Tube as part of its intricate cooling system. This part is integral to the engine’s ability to maintain operational temperatures, particularly in demanding applications.

CM850 Engines

Similarly, the CM850 engine series benefits from the Water Inlet Tube, which is engineered to meet the specific cooling requirements of this model. The CM850 engines are often used in heavy-duty applications, and the Water Inlet Tube plays a crucial role in ensuring the engine operates efficiently under various conditions.

MCRS Engines

The MCRS engine series, designed for marine applications, also utilizes the Water Inlet Tube. This part is essential for the marine environment, where the engine must operate effectively in varying temperatures and conditions. The Water Inlet Tube ensures that the coolant flows smoothly, maintaining the engine’s performance and longevity.

Grouping of Engines

The Water Inlet Tube (part 4970937) is compatible with the QSK19, CM850, and MCRS engine series. These engines, while differing in their specific applications and configurations, share a common requirement for efficient coolant flow. The Water Inlet Tube is designed to fit seamlessly into the cooling systems of these engines, ensuring that they can perform reliably in their respective environments.

Role of Part 4970937 Water Inlet Tube in Engine Systems

The part 4970937 Water Inlet Tube is an essential component in various engine systems, facilitating the efficient operation of both plumbing and turbocharger systems.

Plumbing Systems

In plumbing systems, the Water Inlet Tube is responsible for directing water flow to critical areas within the engine. It ensures that water reaches the cooling passages of the engine block and cylinder head, maintaining optimal temperatures and preventing overheating. The tube’s precise placement and secure connection to the water pump and radiator are vital for consistent water circulation, which is necessary for dissipating heat generated during engine operation.

Turbocharger Systems

In turbocharger systems, the Water Inlet Tube plays a significant role in the water-cooled turbocharger setup. It supplies cooling water to the turbocharger, which is essential for managing the extreme temperatures generated during the compression of air. The tube connects to the water-cooled housing of the turbocharger, allowing water to flow through channels that surround the turbine and compressor. This cooling process enhances the turbocharger’s efficiency and durability, ensuring it operates within safe temperature ranges and maintains performance over extended periods.

By integrating the Water Inlet Tube into these systems, engineers and mechanics can ensure that both the engine and turbocharger components remain cool and function optimally, contributing to the overall reliability and performance of the engine.

Conclusion

The 4970937 Water Inlet Tube is a vital component in the cooling systems of heavy-duty trucks and engines, ensuring optimal engine temperature regulation and performance. Its robust construction, precise design, and compatibility with various Cummins engine models make it a reliable choice for demanding applications. Regular maintenance and proper installation are key to maximizing the benefits and longevity of this Cummins part.


  1. Lakshminarayanan, P. A., & Kumar, A. (2020). Design and Development of Heavy Duty Diesel Engines: A Handbook. Springer Nature.

  2. Department of Energy. (2015). Department of Energy Fundamentals Handbook.

  3. Asef, P., Padmanaban, S., & Lapthorn, A. (2022). Modern Automotive Electrical Systems. Wiley.

  4. Eret, A. (2024). Dynamic and Fatigue Assessment of Heavy-Duty Engine Valves. Springer Nature.

SPECIFICATIONS

Package Dimensions
11.0 x 0.7 x 0.7 in
Weight
0.65 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.