4936752
Water Inlet Connection
Cummins®

Introduction

The Water Inlet Connection 4936752 is a component designed by Cummins for use in the cooling systems of heavy-duty trucks. Its primary role is to facilitate the flow of coolant into the engine, ensuring that the engine operates within optimal temperature ranges. This part is integral to the overall efficiency and longevity of the engine cooling system.

Basic Concepts of Water Inlet Connection

Water inlet connections in cooling systems are designed to allow coolant to enter the engine block. The coolant absorbs heat from the engine components as it circulates, which helps to regulate the engine’s temperature. The design of these connections ensures a steady and efficient flow of coolant, which is vital for maintaining engine performance and preventing overheating ¹.

Purpose and Function

The Water Inlet Connection 4936752 plays a role in the engine cooling system by providing a secure and efficient pathway for coolant to enter the engine. It helps maintain optimal engine temperature by ensuring that coolant is distributed evenly throughout the engine block. This consistent coolant flow is essential for dissipating heat generated during engine operation, thereby protecting engine components from thermal stress ².

Key Features

The Water Inlet Connection 4936752 is constructed using high-quality materials that enhance its durability and performance. Its design includes precise fittings and seals to ensure a leak-free connection. Additionally, the component is engineered to withstand the high pressures and temperatures typical in heavy-duty truck engines, contributing to its reliability in demanding conditions ³.

Benefits

Using the Water Inlet Connection 4936752 offers several advantages. It improves coolant flow, which enhances the engine’s cooling efficiency. This results in better engine protection against overheating and reduces the risk of engine damage. Furthermore, the component’s robust construction increases the reliability of the cooling system, even under strenuous operating conditions ⁴.

Installation and Compatibility

Proper installation of the Water Inlet Connection 4936752 is crucial for ensuring its effectiveness. It should be installed according to the manufacturer’s guidelines to guarantee a secure fit and optimal performance. Compatibility with various truck models and engine configurations should be verified to ensure that the component functions correctly within the specific cooling system it is intended for.

Maintenance and Troubleshooting

Routine maintenance of the Water Inlet Connection 4936752 involves checking for signs of wear, corrosion, or leaks. Regular inspections can help identify potential issues before they lead to more significant problems. Troubleshooting common issues such as leaks or blockages may involve tightening connections, cleaning the component, or replacing damaged parts to restore proper function.

Cummins Overview

Cummins Inc. is a well-established manufacturer with a strong reputation in the automotive industry. The company is known for its commitment to producing high-quality components that meet the rigorous demands of heavy-duty applications. Cummins’ expertise in engine technology and cooling systems ensures that their products, like the Water Inlet Connection 4936752, are designed with precision and reliability in mind.

Compatibility with Cummins Engines

The Water Inlet Connection part number 4936752, manufactured by Cummins, is designed to fit several of their engine models. This part is integral in ensuring the proper flow of coolant into the engine, which is crucial for maintaining optimal operating temperatures and preventing overheating.

Compatible Engines

• ISC CM850
• ISL9 CM2150 SN
• L9 CM2670 L128B
• QSL8.9 CM2150 L141
• QSL9 CM850 (CM2850)

Grouped Compatibility

The part 4936752 is compatible with the following groups of engines:

• ISC and QSL Series Engines:

  • ISC CM850
  • QSL9 CM850 (CM2850)

• ISL and QSL Series Engines:

  • ISL9 CM2150 SN
  • QSL8.9 CM2150 L141

• L9 Series Engine:

  • L9 CM2670 L128B

Each of these engines, while differing in specifications and applications, shares a commonality in the design of their water inlet systems, allowing the part 4936752 to be universally applicable across these models. This compatibility ensures ease of maintenance and repair, providing a reliable solution for the specified engine types.

Role of Part 4936752 Water Inlet Connection in Engine Systems

The water inlet connection, specifically part 4936752, 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. This component ensures a consistent and regulated flow of coolant, which is essential for maintaining optimal engine temperature.

In the context of the cooling system, the water inlet connection interfaces with the thermostat housing, allowing coolant to flow into the engine block. This flow is vital for dissipating heat generated by combustion processes. The connection also facilitates the circulation of coolant through the cylinder heads and other critical components, ensuring uniform temperature distribution.

Additionally, the water inlet connection plays a role in the integration with the heater core. By allowing coolant to flow into the heater core, it enables the regulation of cabin temperature in vehicles, contributing to passenger comfort.

Furthermore, this component is often connected to the water pump, which drives the circulation of coolant throughout the engine system. The reliable operation of the water inlet connection ensures that the water pump can effectively maintain coolant flow, preventing overheating and potential engine damage.

Conclusion

In summary, the Water Inlet Connection 4936752 is a fundamental component that interfaces with various engine systems, including the thermostat housing, cylinder heads, heater core, and water pump, to ensure efficient coolant circulation and temperature regulation. Its robust construction and precise design make it a reliable and essential part of the engine cooling system in heavy-duty trucks.