4000872
Water Inlet Tube
Cummins®

Introduction

The Cummins 4000872 Water Inlet Tube is a component designed for use in the cooling systems of commercial trucks. Its purpose is to facilitate the efficient flow of coolant into the engine, thereby playing a role in maintaining optimal engine temperature. This part is significant within the cooling system as it ensures that the engine operates within safe temperature ranges, which is vital for the longevity and performance of the engine ¹.

Basic Concepts of Water Inlet Tubes

A water inlet tube is a conduit that directs coolant from the radiator into the engine block. Within the engine cooling system, it serves the function of ensuring a steady and regulated flow of coolant to critical engine components. This consistent flow helps in dissipating heat generated during engine operation, thus contributing to maintaining optimal engine temperature and preventing overheating ².

Purpose of the Cummins 4000872 Water Inlet Tube

The Cummins 4000872 Water Inlet Tube is specifically engineered to direct coolant flow to the engine in commercial trucks. By ensuring a precise and uninterrupted flow of coolant, it plays a role in the efficient operation of the truck’s engine. This part is integral to the cooling system’s functionality, as it helps in evenly distributing coolant throughout the engine, which is necessary for effective heat management.

Key Features

The Cummins 4000872 Water Inlet Tube is constructed with durability and performance in mind. It is made from high-quality materials that are resistant to corrosion and wear, ensuring longevity even under demanding conditions. The design of this tube includes features that enhance its performance, such as smooth internal surfaces to facilitate efficient coolant flow and robust connections to withstand high pressure and temperature variations.

Benefits

The use of the Cummins 4000872 Water Inlet Tube offers several advantages. It provides improved coolant flow, which enhances the engine’s cooling efficiency. This part also contributes to engine protection by ensuring that coolant reaches all necessary areas within the engine block. Additionally, by maintaining optimal engine temperature, it can play a role in overall engine efficiency, potentially leading to better fuel economy and reduced emissions.

Installation Process

Installing the Cummins 4000872 Water Inlet Tube requires careful attention to detail. The process involves securing the tube in place with the appropriate tools, ensuring that all connections are tight and aligned correctly. It is important to follow manufacturer guidelines to avoid leaks or improper coolant flow, which could affect engine performance.

Troubleshooting Common Issues

Common issues with water inlet tubes may include leaks or blockages. To address these problems, it is important to inspect the tube and connections regularly. If a leak is detected, the source should be identified and repaired or replaced as necessary. Blockages can often be cleared by flushing the cooling system, though in some cases, replacement of the tube may be required.

Maintenance Tips

Regular maintenance of the Cummins 4000872 Water Inlet Tube is key to ensuring its longevity and optimal performance. This includes periodic inspections for signs of wear or damage, cleaning the tube and connections to prevent buildup, and ensuring that the cooling system is free of contaminants. Adhering to recommended maintenance schedules can help prevent issues and ensure the cooling system operates efficiently.

Compatibility and Application

The Cummins 4000872 Water Inlet Tube is designed for use in specific commercial truck models and engine types. It is important to verify compatibility to ensure proper fit and function within the cooling system. Application notes provided by Cummins can offer guidance on the correct use of this part in various truck configurations.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a broad product range, Cummins is well-regarded in the commercial truck industry for its quality and reliability. The 4000872 Water Inlet Tube is part of Cummins’ commitment to providing durable and efficient components for the transportation sector.

Water Inlet Tube (Part 4000872) Compatibility with Cummins Engines

The Water Inlet Tube, identified by part number 4000872, is a critical component in the cooling system of several Cummins engine models. This part is designed to facilitate the flow of water into the engine, ensuring efficient cooling and optimal performance.

QSK45 CM500 and QSK60 CM500

The Water Inlet Tube part 4000872 is compatible with both the QSK45 CM500 and QSK60 CM500 engines. These engines are part of the Cummins QSK series, known for their robust design and high performance in various industrial applications. The inlet tube is engineered to integrate seamlessly with the cooling systems of these engines, providing a reliable pathway for coolant to enter the engine block. This ensures that the engine operates within its optimal temperature range, enhancing longevity and performance.

QSK60 CM850 MCRS and QSK60G

The Water Inlet Tube part 4000872 also fits the QSK60 CM850 MCRS and QSK60G engines. These engines are part of the Cummins QSK series, which is recognized for its durability and efficiency in demanding environments. The inlet tube is designed to work with the specific cooling system configurations of these engines, ensuring that coolant is efficiently directed into the engine block. This compatibility is crucial for maintaining the engine’s performance and preventing overheating, which can lead to significant damage.

Summary

The Water Inlet Tube part 4000872 is a versatile component that is compatible with a range of Cummins engines, including the QSK45 CM500, QSK60 CM500, QSK60 CM850 MCRS, and QSK60G. Its design ensures efficient coolant flow, which is essential for maintaining the engine’s optimal operating temperature and overall performance.

Role of Part 4000872 Water Inlet Tube in Engine Systems

The 4000872 Water Inlet Tube is an essential component in various engine systems, facilitating the efficient flow of water to critical areas that require cooling or lubrication. Its integration into the engine design ensures optimal performance and longevity of the engine components.

Integration with Aftercooler Water System

In engines equipped with an aftercooler, the 4000872 Water Inlet Tube plays a significant role. It directs water from the plumbing system to the aftercooler, where it helps in cooling the compressed air before it enters the engine cylinders. This process enhances the air density, leading to better combustion efficiency and reduced thermal stress on the engine components.

Contribution to Auxiliary Cooling Systems

For engines with auxiliary cooling systems, the 4000872 Water Inlet Tube is vital. It ensures a steady supply of water to the auxiliary coolers, which are often used to manage the temperature of engine oil, transmission fluid, or other critical lubricants. Consistent cooling helps maintain the viscosity and performance of these fluids, preventing overheating and potential engine damage.

Alternative Applications

In some engine designs, the 4000872 Water Inlet Tube may be used in alternative cooling configurations. For instance, in engines with water-cooled turbochargers, this tube can direct water to the turbocharger housing, effectively dissipating heat and improving the turbocharger’s efficiency and durability.

System-Wide Plumbing

The 4000872 Water Inlet Tube is also a key component in the overall plumbing of the engine’s cooling system. It connects various cooling circuits, ensuring that water circulates efficiently throughout the engine. This integration is essential for maintaining uniform temperatures across different engine parts, which is crucial for balanced performance and reliability.

Conclusion

In summary, the 4000872 Water Inlet Tube is a versatile and integral part of engine systems, contributing to the efficient operation of aftercoolers, auxiliary coolers, and various cooling circuits. Its proper installation and maintenance are essential for the overall health and performance of the engine.