5260167
Water Inlet Connection
Cummins®

The Water Inlet Connection (Part #5260167) by Cummins is a component designed for use in commercial trucks. It serves a significant role in the operation of these vehicles by facilitating the flow of coolant into the engine. This part is integral to the engine cooling system, ensuring that the engine operates within optimal temperature ranges, thereby contributing to the overall efficiency and longevity of the truck ¹.

Basic Concepts of Water Inlet Connection

Water inlet connections in commercial trucks are designed to allow coolant to enter the engine block. These connections are a vital part of the engine cooling system, which is responsible for maintaining the engine’s temperature within a specified range. The coolant absorbs heat from the engine and transfers it away, preventing overheating and potential damage. The functionality of these connections relies on their ability to provide a secure and leak-free passage for the coolant ².

Purpose of the Water Inlet Connection

This Cummins part is specifically engineered to play a role in the engine cooling system by allowing coolant to flow into the engine block. Its function is to ensure a consistent and reliable flow of coolant, which is crucial for maintaining optimal engine temperature. This part helps in dissipating heat generated by the engine, thus supporting the engine’s performance and durability ³.

Key Features

The Water Inlet Connection is characterized by several design elements and materials that enhance its performance and durability. It is constructed from high-quality materials that are resistant to corrosion and wear, ensuring longevity in demanding environments. The design includes precise fittings and seals that provide a secure connection, minimizing the risk of leaks. Additionally, the part is engineered to withstand high pressures and temperatures, making it suitable for use in commercial truck engines.

Benefits

Using the Water Inlet Connection offers several advantages. It contributes to improved engine cooling efficiency, which can lead to better overall engine performance. The reliable design and materials used in its construction enhance its durability, reducing the likelihood of failures. Over time, this can result in potential cost savings by minimizing the need for frequent replacements or repairs.

Installation and Compatibility

Proper installation of the Water Inlet Connection is important to ensure its effective operation. It is designed to be compatible with specific truck models and engine types, ensuring a seamless integration into the engine cooling system. During installation, it is important to follow manufacturer guidelines to ensure a secure and leak-free connection.

Maintenance and Troubleshooting

Routine maintenance practices can help ensure the longevity and performance of the Water Inlet Connection. Regular inspections for signs of wear or damage, and ensuring that connections are secure, can prevent issues from arising. In the event of common problems such as leaks or reduced coolant flow, troubleshooting steps may include checking for proper installation, inspecting seals and fittings, and ensuring that the part is free from obstructions.

Cummins Overview

Cummins Inc. is a well-established manufacturer with a strong reputation in the industry for producing high-quality commercial truck components. The company has a history of innovation and commitment to quality, which is reflected in its product offerings. Cummins is known for its dedication to advancing technology and improving the performance and reliability of its components, including the Water Inlet Connection.

Cummins Engine Part 5260167: Water Inlet Connection

The Cummins part number 5260167, known as the Water Inlet Connection, is a critical component in the cooling system of various Cummins engines. This part is designed to facilitate the flow of coolant into the engine, ensuring optimal thermal management and performance. Here is a detailed look at how this part integrates with different Cummins engine models:

B6.7 CM2670 B153B

The Water Inlet Connection in the B6.7 CM2670 B153B engine is engineered to handle the specific cooling requirements of this model. It ensures that coolant is efficiently directed into the engine block, maintaining the ideal operating temperature.

ISB/ISD Engines

• ISB/ISD 4.5 CM2150 B119
• ISB/ISD 6.7 CM2150 SN

For both the ISB/ISD 4.5 CM2150 B119 and ISB/ISD 6.7 CM2150 SN engines, the Water Inlet Connection part 5260167 is crucial in maintaining the cooling system’s integrity. It ensures that the coolant flows smoothly into the engine, preventing overheating and ensuring consistent performance.

ISB 5.9 CM2880 B110

In the ISB 5.9 CM2880 B110 engine, the Water Inlet Connection part 5260167 is designed to fit seamlessly into the engine’s architecture. This ensures that the coolant is effectively circulated, contributing to the engine’s overall efficiency and longevity.

ISBE Engines

• ISBE CM2150
• ISBE4 CM850

For the ISBE CM2150 and ISBE4 CM850 engines, the Water Inlet Connection part 5260167 is tailored to meet the specific cooling needs of these models. It ensures that the coolant is properly directed into the engine, maintaining optimal operating temperatures.

QSB Engines

• QSB 4.5 CM2250 EC
• QSB 4.5 CM850 (CM2850)
• QSB 6.7 CM850 (CM2850)
• QSB 7 CM2880 B117

The Water Inlet Connection part 5260167 is also integral to the QSB series engines. For the QSB 4.5 CM2250 EC, QSB 4.5 CM850 (CM2850), QSB 6.7 CM850 (CM2850), and QSB 7 CM2880 B117 models, this part ensures that the coolant is efficiently directed into the engine. This is vital for maintaining the engine’s performance and preventing overheating, regardless of the operating conditions.

Role of Part 5260167 Water Inlet Connection in Engine Systems

The Water Inlet Connection is integral to the efficient operation of various engine systems. It serves as the primary interface for the introduction of coolant into the engine block, ensuring that the cooling system functions as intended.

Integration with Cooling System Components

1. Radiator Connection: The Water Inlet Connection interfaces directly with the lower radiator hose, allowing coolant to flow from the radiator into the engine. This connection is essential for maintaining a continuous coolant circulation, which is vital for dissipating heat generated by the engine.

2. Thermostat Housing: Positioned adjacent to the thermostat, the Water Inlet Connection facilitates the regulated flow of coolant based on engine temperature. This ensures that the engine reaches optimal operating temperature quickly and maintains it, enhancing overall engine efficiency and performance.

3. Water Pump: The connection is also linked to the water pump, which drives the circulation of coolant throughout the engine. Proper sealing and connection at this point are necessary to prevent leaks and ensure consistent coolant flow.

Interaction with Engine Block

1. Cylinder Head: Coolant enters the engine block through the Water Inlet Connection and flows into the cylinder head. This helps in dissipating heat from the combustion chambers, valves, and other critical components within the cylinder head.

2. Engine Block Passages: Once inside the engine block, the coolant travels through a network of passages designed to absorb heat from various engine components. The Water Inlet Connection ensures that coolant is delivered efficiently to these passages.

Role in Maintaining Engine Temperature

The Water Inlet Connection plays a significant role in the thermal management of the engine. By ensuring a steady supply of coolant, it helps in:

• Preventing Overheating: Consistent coolant flow prevents the engine from overheating, which can lead to severe damage.
• Enhancing Performance: Optimal engine temperature leads to better fuel efficiency and overall performance.
• Prolonging Engine Life: Effective cooling reduces thermal stress on engine components, contributing to longer engine life.

Conclusion

In summary, the Water Inlet Connection (Part #5260167) is a key component in the engine’s cooling system, facilitating the efficient transfer of coolant to critical engine areas and playing a significant role in maintaining engine temperature and performance. Its integration with various Cummins engine models underscores its importance in ensuring optimal engine operation and longevity.