3003268
Water Inlet Tube
Cummins®

The Water Inlet Tube (Part #3003268) manufactured by Cummins is a component designed to facilitate the efficient operation of the cooling system in heavy-duty trucks. This part plays a role in the engine cooling system by ensuring the proper flow of coolant, which is vital for maintaining optimal engine temperature and performance ¹.

Basic Concepts of Water Inlet Tubes

A Water Inlet Tube is a component within the engine cooling system that directs coolant from the radiator into the engine block. Its function is to provide a pathway for coolant to circulate through the engine, absorbing heat and transferring it away from critical components. This process helps in maintaining the engine’s temperature within a specified range, which is crucial for efficient operation and longevity ².

Purpose of the 3003268 Water Inlet Tube

The 3003268 Water Inlet Tube is specifically designed to direct coolant flow into the engine block of a truck. By ensuring a consistent and efficient flow of coolant, it contributes to the uniform distribution of coolant throughout the engine, which aids in temperature regulation. This part is integral to the cooling system’s ability to protect the engine from overheating, especially under demanding conditions.

Key Features

The 3003268 Water Inlet Tube is characterized by its robust material composition, which typically includes durable plastics or metals that can withstand high temperatures and pressures. Its design incorporates precise fittings and connections to ensure a secure and leak-free installation. Additionally, the tube may feature unique elements such as reinforced sections or specialized coatings to enhance its performance and durability in various operating environments.

Benefits

Utilizing the 3003268 Water Inlet Tube offers several advantages. It contributes to improved engine efficiency by ensuring that coolant is effectively circulated throughout the engine. This part also enhances the longevity of the engine by helping to maintain optimal operating temperatures, reducing the risk of overheating. Furthermore, its reliable performance under various conditions ensures that the cooling system operates efficiently, contributing to the overall reliability of the truck.

Installation Process

Installing the 3003268 Water Inlet Tube requires careful attention to detail to ensure a secure and efficient fit. Preparatory steps include cleaning the installation area and ensuring that all connections are free from debris. The installation process involves positioning the tube correctly within the engine compartment, securing it with the appropriate fasteners, and verifying that all connections are tight and leak-free. Using the correct tools and following best practices will help ensure a successful installation.

Maintenance Tips

Regular maintenance of the 3003268 Water Inlet Tube is important for ensuring its longevity and optimal performance. This includes periodic inspections for signs of wear, leaks, or damage. Cleaning the tube and its connections as part of routine maintenance can help prevent buildup that might impede coolant flow. Following manufacturer recommendations for inspection intervals and maintenance procedures will help maintain the efficiency of the cooling system.

Troubleshooting Common Issues

Common problems associated with Water Inlet Tubes include leaks and blockages. Identifying these issues early can prevent more serious engine problems. Troubleshooting steps may involve inspecting the tube and its connections for signs of damage or wear, checking for leaks, and ensuring that the coolant flow is unobstructed. Addressing these issues promptly can help maintain the efficiency and reliability of the cooling system.

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 quality, Cummins serves customers in approximately 190 countries and territories through a network of more than 600 company-owned and independent distributor facilities and approximately 7,400 dealer locations. The company’s product range includes engines for on-highway, off-highway, and stationary applications, as well as filtration and aftermarket parts. Cummins is renowned for its commitment to quality, performance, and customer satisfaction in the automotive and heavy-duty truck industry.

Cummins Engine Part 3003268: Water Inlet Tube Compatibility

The Cummins part number 3003268, identified as a Water Inlet Tube, is a critical component in the cooling system of various Cummins engines. This part is designed to ensure efficient water flow into the engine, maintaining optimal operating temperatures and preventing overheating. Here is a detailed look at how this part fits with specific Cummins engines:

K19 Engines

The Water Inlet Tube (part 3003268) is compatible with the K19 engine series. This part is integral to the engine’s cooling system, facilitating the flow of coolant from the radiator to the engine block. The design ensures that the coolant is evenly distributed, which is crucial for maintaining the engine’s performance and longevity.

QSK19 Engines

In the QSK19 engine series, the Water Inlet Tube (part 3003268) plays a similar role. It is engineered to fit seamlessly within the engine’s architecture, ensuring that the coolant is directed efficiently. This part is essential for the proper functioning of the engine’s cooling system, helping to dissipate heat effectively and maintain stable engine temperatures.

CM500 Engines

The CM500 engine series also utilizes the Water Inlet Tube (part 3003268). This part is designed to integrate with the engine’s cooling system, ensuring that the coolant flows smoothly from the radiator to the engine. Its precise fit and design are critical for the engine’s cooling efficiency, contributing to the overall reliability and performance of the CM500 engine.

Grouping of Engines

The Water Inlet Tube (part 3003268) is a versatile component that fits well within the K19, QSK19, and CM500 engine series. Its design and engineering ensure compatibility and efficiency across these engines, making it a reliable choice for maintaining the cooling system’s integrity. This part’s ability to fit seamlessly into these engines underscores its importance in ensuring optimal engine performance and longevity.

Role of Part 3003268 Water Inlet Tube in Engine Systems

The Water Inlet Tube, identified by part number 3003268, is an essential component in the efficient operation of various engine systems. Its primary function is to facilitate the flow of coolant into the engine block, ensuring that the engine maintains optimal operating temperatures.

Integration with Coolant Heater Starting Aid

When integrated with the Coolant Heater Starting Aid, the Water Inlet Tube plays a significant role in enhancing engine start-up performance in cold conditions. The Coolant Heater Starting Aid preheats the coolant before it enters the engine, reducing the thermal stress on engine components during start-up. The Water Inlet Tube ensures a smooth and consistent flow of this preheated coolant into the engine block, promoting quicker warm-up times and more efficient engine operation.

Connection to Heater Inlet Tube

The Water Inlet Tube is also connected to the Heater Inlet Tube, which supplies warm coolant to the vehicle’s heating system. This connection ensures that the coolant circulates effectively between the engine and the heater core, providing consistent cabin heating and enhancing overall passenger comfort.

Plumbing System Integration

In the broader context of the engine’s plumbing system, the Water Inlet Tube is a key component that ensures the coolant pathway remains unobstructed and efficient. It connects to various hoses and fittings, creating a seamless network that allows coolant to flow from the radiator, through the engine block, and back to the radiator for continuous cooling.

Enhanced Engine Performance

By ensuring a reliable and consistent flow of coolant, the Water Inlet Tube contributes to the overall stability and performance of the engine. It helps in maintaining uniform temperatures across different engine components, which is vital for preventing overheating and ensuring longevity of the engine parts.

Conclusion

In summary, the Water Inlet Tube (part 3003268) is a fundamental component that supports the efficient operation of the coolant system, enhancing both engine performance and passenger comfort. Its robust design, compatibility with various Cummins engines, and integration with other cooling system components make it a critical part of maintaining optimal engine temperatures and overall system efficiency.