3689151
Tur Coolant Supply Tube
Cummins®

The Tur Coolant Supply Tube (3689151), manufactured by Cummins, is a component designed for heavy-duty truck cooling systems. Cummins, a well-established name in the automotive industry, produces a range of parts and systems aimed at enhancing the performance and reliability of heavy-duty vehicles. This part is integral to maintaining optimal operating temperatures in these vehicles, particularly for the turbocharger, which is sensitive to temperature variations ¹.

Function and Operation

The Tur Coolant Supply Tube operates within the truck’s cooling system by transferring coolant to the turbocharger. This process helps regulate the turbocharger’s temperature, ensuring it functions within specified parameters. The tube connects to the engine’s coolant system and delivers coolant directly to the turbocharger, where it absorbs excess heat. This heat exchange is vital for the turbocharger’s efficiency and longevity, as it prevents overheating, which can lead to performance degradation or failure ².

Key Features

This Cummins part is constructed from durable materials, typically a combination of rubber and metal, to withstand the high temperatures and pressures within the cooling system. It features secure connection points, often using hose clamps or quick-connect fittings, to ensure a leak-free seal. The design includes reinforced sections to handle the dynamic forces exerted during operation, enhancing both performance and durability ³.

Benefits

The Tur Coolant Supply Tube offers several advantages. It contributes to improved cooling efficiency by ensuring a consistent supply of coolant to the turbocharger. This consistent cooling helps maintain optimal turbocharger performance, leading to better overall engine efficiency. Additionally, by regulating the turbocharger’s temperature, the tube plays a role in enhancing the engine’s reliability, reducing the risk of overheating-related failures ⁴.

Installation and Compatibility

Proper installation of the Tur Coolant Supply Tube involves ensuring all connections are secure and leak-free. It is important to follow manufacturer guidelines to avoid common installation pitfalls. The tube is designed to be compatible with specific truck models and engine types, ensuring it fits within the existing cooling system architecture without modifications ⁵.

Maintenance and Troubleshooting

Routine maintenance of the Tur Coolant Supply Tube includes regular inspections for signs of wear, leaks, or damage. It is advisable to check the connections periodically to ensure they remain tight and free from corrosion. Common issues may include coolant leaks or reduced flow, which can often be traced back to loose connections or degraded hose material. Addressing these issues promptly can prevent more significant problems down the line ⁶.

Safety Considerations

When working with the Tur Coolant Supply Tube, it is important to observe safety guidelines. This includes allowing the engine to cool before beginning any work to avoid burns from hot components. Additionally, ensuring the cooling system is properly pressurized and free from leaks is crucial to prevent coolant loss and maintain system integrity ⁷.

Environmental Impact

Efficient cooling systems contribute to reduced emissions and improved fuel efficiency. The Tur Coolant Supply Tube, by ensuring optimal turbocharger performance, plays a role in these environmental benefits. A well-regulated turbocharger operates more efficiently, which can lead to lower fuel consumption and reduced emissions, aligning with broader environmental goals ⁸.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the heavy-duty truck industry. The company’s product range includes engines, filtration systems, and aftermarket parts, all designed to enhance vehicle performance and reliability ⁹.

Cummins Engine Part 3689151: Tur Coolant Supply Tube

The Tur Coolant Supply Tube, identified by part number 3689151, is a critical component in the cooling system of certain Cummins engines. This part is designed to ensure efficient coolant flow, which is essential for maintaining optimal engine temperatures and preventing overheating.

Application in Cummins Engines

QSX15 CM2250 and QSX15 CM2350 X105

The Tur Coolant Supply Tube is integral to the cooling systems of the QSX15 CM2250 and QSX15 CM2350 X105 engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications such as commercial trucks and industrial machinery. The part’s role in these engines is to transport coolant from the coolant pump to the turbocharger, ensuring that the turbocharger remains adequately cooled during operation.

Compatibility and Installation

When installing the Tur Coolant Supply Tube in these engines, it is crucial to ensure that the part is correctly aligned and securely fastened. Proper installation is vital for maintaining the integrity of the cooling system and preventing leaks, which could lead to engine damage. Technicians should follow the manufacturer’s guidelines for installation, including the use of appropriate sealants and fasteners.

Maintenance Considerations

Regular maintenance of the Tur Coolant Supply Tube is essential to prevent issues such as blockages or leaks. Inspecting the tube for signs of wear, corrosion, or damage during routine service intervals can help identify potential problems before they escalate. If any damage is detected, the tube should be replaced promptly to maintain the engine’s cooling efficiency.

Performance Impact

The Tur Coolant Supply Tube plays a significant role in the overall performance and longevity of the engine. By ensuring that the turbocharger is adequately cooled, the tube helps to maintain engine efficiency and reduce the risk of overheating. This is particularly important in high-performance or high-load conditions where the risk of overheating is greater.

Compatibility with Other Cummins Engines

While the Tur Coolant Supply Tube is specifically designed for the QSX15 CM2250 and QSX15 CM2350 X105 engines, it is important to note that similar components may be used in other Cummins engine models. Technicians and mechanics should verify compatibility before using this part in engines other than those specified.

Role of Part 3689151 Tur Coolant Supply Tube in Engine Systems

The Part 3689151 Tur Coolant Supply Tube is an essential component in the efficient operation of both the plumbing and turbocharger systems within an engine.

In the plumbing system, this tube facilitates the circulation of coolant, ensuring that the engine maintains optimal operating temperatures. It connects to various coolant passages and heat exchangers, allowing for the effective transfer of heat away from critical engine components. This helps in preventing overheating and ensures that the engine operates within its designed thermal parameters.

Within the turbocharger system, the Tur Coolant Supply Tube plays a significant role in managing the temperature of the turbocharger. By supplying coolant to the turbocharger, it helps in reducing the heat generated during the compression of air. This not only enhances the efficiency of the turbocharger but also prolongs its lifespan by preventing thermal stress. The tube ensures that the coolant reaches the turbocharger housing and other heat-sensitive areas, maintaining a stable operating environment.

Overall, the integration of the Tur Coolant Supply Tube in these systems underscores its importance in maintaining engine performance and reliability.

Conclusion

The Tur Coolant Supply Tube (3689151) is a vital component in the cooling systems of Cummins engines, particularly the QSX15 CM2250 and QSX15 CM2350 X105 models. Its role in ensuring efficient coolant flow and maintaining optimal turbocharger temperatures is crucial for engine performance and longevity. Proper installation, regular maintenance, and adherence to safety guidelines are essential for maximizing the benefits of this part. Additionally, the environmental impact of efficient cooling systems, facilitated by components like the Tur Coolant Supply Tube, contributes to reduced emissions and improved fuel efficiency.