5260171
Water Inlet Connection
Cummins®

Introduction

The Water Inlet Connection 5260171 is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck parts industry. This part is designed to facilitate the flow of coolant into the engine, playing a role in the engine cooling system. Understanding its function and the manufacturer’s reputation is key to appreciating its importance in maintaining engine efficiency and longevity.

Basic Concepts of Water Inlet Connection

Water inlet connections are integral to engine cooling systems. Their primary function is to allow coolant to enter the engine block, where it absorbs heat generated during combustion. The coolant then circulates through the engine, transferring heat away from critical components and back to the radiator, where it is cooled before re-entering the engine. This continuous cycle is vital for maintaining optimal engine operating temperatures and preventing overheating ¹.

Purpose of the 5260171 Water Inlet Connection

The 5260171 Water Inlet Connection is specifically designed to ensure a secure and efficient transfer of coolant into the engine. By providing a direct pathway for coolant flow, it helps maintain consistent engine temperatures, which is crucial for engine performance and durability. Its design and construction are tailored to withstand the pressures and temperatures encountered in heavy-duty truck engines, ensuring reliable operation under demanding conditions ².

Key Features

The 5260171 Water Inlet Connection boasts several features that enhance its performance and durability. It is constructed from high-quality materials that are resistant to corrosion and wear, ensuring longevity even in harsh operating environments. Its design includes precise fittings and seals to prevent leaks and ensure a secure connection to the engine block. Additionally, the connection is engineered to accommodate the specific flow rates and pressures of Cummins engines, optimizing coolant distribution ³.

Benefits

Incorporating the 5260171 Water Inlet Connection into a truck’s engine cooling system offers several advantages. It facilitates improved coolant flow, which enhances engine cooling efficiency and helps maintain optimal operating temperatures. This can contribute to increased engine longevity by reducing the risk of overheating and associated damage. Furthermore, the connection’s robust construction and precise engineering ensure reliable performance, minimizing the need for frequent maintenance or replacement.

Installation Process

Installing the 5260171 Water Inlet Connection requires careful attention to detail to ensure a secure and leak-free fit. The process involves cleaning the connection point on the engine block, applying a compatible sealant if necessary, and then attaching the inlet connection using the appropriate tools. It is important to follow the manufacturer’s guidelines for torque specifications to avoid over-tightening, which could damage the connection, or under-tightening, which could lead to leaks.

Common Issues and Troubleshooting

Water inlet connections can encounter issues such as leaks or blockages, which can compromise engine cooling efficiency. Common causes include wear and tear, corrosion, or improper installation. Troubleshooting these issues typically involves inspecting the connection for signs of damage or wear, cleaning or replacing seals as necessary, and ensuring that the connection is securely fitted. Regular maintenance and inspections can help identify and address potential issues before they lead to more significant problems.

Maintenance Tips

To prolong the lifespan of the 5260171 Water Inlet Connection, routine maintenance is recommended. This includes regular inspections for signs of wear, corrosion, or leaks, and cleaning the connection as needed to remove any buildup that could impede coolant flow. Additionally, following the manufacturer’s guidelines for replacement intervals can help ensure that the connection remains in optimal condition, contributing to the overall efficiency and reliability of the engine cooling system.

Cummins Overview

Cummins is a renowned manufacturer in the automotive and heavy-duty truck parts industry, known for its commitment to quality and innovation. With a rich history of producing reliable and high-performance components, Cummins has established a strong reputation for excellence. Their products, including the 5260171 Water Inlet Connection, are designed with precision engineering and durable materials to meet the demanding requirements of heavy-duty applications, ensuring reliable performance and longevity.

Compatibility with Cummins Engines

The Water Inlet Connection part 5260171, manufactured by Cummins, is designed to fit seamlessly with several of their engine models. This part is integral to the engine’s cooling system, ensuring efficient water flow and maintaining optimal operating temperatures.

QSB4.5 Series Engines

• QSB4.5 CM2250 EC
• QSB4.5 CM850 (CM2850)

The part 5260171 is compatible with the QSB4.5 series engines, including both the CM2250 EC and CM850 (CM2850) variants. This compatibility ensures that the water inlet connection is tailored to the specific design and cooling requirements of these engines, facilitating effective thermal management.

QSB6.7 Series Engine

• QSB6.7 CM850 (CM2850)

The part 5260171 also fits the QSB6.7 CM850 (CM2850) engine. This engine, while slightly larger than the QSB4.5 series, shares similar design principles in its cooling system, making the water inlet connection a perfect fit.

QSB7 Series Engine

• QSB7 CM2880 B117

The QSB7 CM2880 B117 engine is another model that is compatible with the part 5260171. This engine, being part of the QSB7 series, has a robust cooling system that benefits from the precise fit and function of this water inlet connection.

By ensuring that the part 5260171 is compatible with these various engine models, Cummins maintains a high standard of interchangeability and reliability, allowing for easier maintenance and repair across their engine lineup.

Role of Part 5260171 Water Inlet Connection in Engine Systems

The part 5260171 Water Inlet Connection is integral to the efficient operation of various engine systems by facilitating the controlled entry of water into the system. This component is designed to interface with the water pump, ensuring a secure and leak-free connection that allows water to be drawn into the engine cooling system.

In the context of the engine’s cooling system, the water inlet connection works in tandem with the thermostat and radiator. It allows coolant to flow from the water pump into the engine block, where it absorbs heat generated by combustion. The heated coolant then travels through the water outlet and into the radiator, where it is cooled before returning to the engine. This continuous circulation is essential for maintaining optimal engine temperature and preventing overheating.

Additionally, the water inlet connection plays a role in the operation of the heater core. Coolant from the engine is routed through the heater core to provide warm air to the vehicle’s interior. The water inlet connection ensures that the coolant supply to the heater core is consistent and unimpeded, contributing to the vehicle’s comfort systems.

Conclusion

In summary, the part 5260171 Water Inlet Connection is a key component that ensures the proper functioning of the engine’s cooling system, thermostat regulation, radiator efficiency, and heater core operation. Its reliable performance is essential for the overall health and efficiency of the engine.