3689147
Tur Coolant Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$239.95 $285.54

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Turbo Coolant Supply Tube (Part #3689147) by Cummins is a component designed to facilitate the efficient operation of heavy-duty truck engines. This part is integral to the engine cooling system, ensuring that the turbocharger remains within optimal operating temperatures. Manufactured by Cummins, a leader in the automotive industry, this component exemplifies the company’s commitment to innovation and quality in engine component manufacturing.

Basic Concepts and Functionality

The Turbo Coolant Supply Tube operates on the fundamental principle of heat exchange within the engine cooling system. It delivers coolant to the turbocharger, which plays a role in maintaining the turbocharger’s temperature by dissipating excess heat generated during operation. This process involves the circulation of coolant through the tube, which interacts with the turbocharger housing to absorb heat. The coolant then returns to the engine’s cooling system, where it is cooled before recirculating. This continuous cycle helps maintain the turbocharger’s efficiency and longevity 1.

Purpose and Role in Truck Operation

In the context of heavy-duty truck engines, the Turbo Coolant Supply Tube serves a specific purpose by ensuring the turbocharger operates within its designed temperature range. This is achieved by providing a direct coolant supply to the turbocharger, which helps in dissipating heat more effectively than air cooling alone. By maintaining optimal turbocharger temperatures, the tube contributes to overall engine performance and efficiency, allowing the engine to operate more smoothly and reliably under various conditions 2.

Key Features

The Turbo Coolant Supply Tube is characterized by several key features that enhance its functionality. It is constructed from durable materials that can withstand the high temperatures and pressures within the engine compartment. The design of the tube includes precise fittings and connections that ensure a secure and leak-free installation. Additionally, the tube’s path is engineered to minimize restrictions in coolant flow, ensuring efficient heat exchange.

Benefits

The advantages offered by the Turbo Coolant Supply Tube include improved engine cooling, which directly contributes to the turbocharger’s durability and performance. By effectively managing turbocharger temperatures, the tube helps prevent overheating, which can lead to component failure. Furthermore, the enhanced durability of the turbocharger can result in potential cost savings for fleet operators, as it may reduce the frequency of repairs and replacements 3.

Troubleshooting and Maintenance

Common issues that may arise with the Turbo Coolant Supply Tube include leaks, blockages, or damage to the tube itself. Diagnostic procedures for these issues involve inspecting the tube for visible signs of damage, checking for coolant leaks, and ensuring that the connections are secure. Recommended maintenance practices include regular inspections of the tube and its connections, flushing the cooling system to remove any contaminants, and replacing the tube if signs of wear or damage are detected. These practices help ensure the optimal performance and longevity of the Turbo Coolant Supply Tube.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the automotive industry. The company’s product offerings include a wide range of engines and components designed for heavy-duty applications, demonstrating Cummins’ commitment to meeting the demanding requirements of its customers. Cummins’ dedication to innovation is evident in its continuous development of new technologies and solutions that enhance engine performance, efficiency, and durability.

Turbo Coolant Supply Tube (Part 3689147) Compatibility with Cummins Engines

The Turbo Coolant Supply Tube, identified by part number 3689147, is a critical component in the cooling system of certain Cummins engines. This part is designed to ensure efficient coolant flow to the turbocharger, which is essential for maintaining optimal operating temperatures and preventing overheating.

QSX15 Engine

The QSX15 engine, known for its robust performance and reliability, integrates the Turbo Coolant Supply Tube seamlessly into its cooling system. This part ensures that the turbocharger receives the necessary coolant to operate efficiently, contributing to the overall longevity and performance of the engine.

CM2350 and X105 Engines

The CM2350 and X105 engines, both part of Cummins’ lineup, also benefit from the Turbo Coolant Supply Tube. These engines, designed for heavy-duty applications, require precise cooling mechanisms to handle the high demands placed on them. The Turbo Coolant Supply Tube plays a crucial role in this regard, ensuring that the turbocharger operates within safe temperature limits.

By integrating this part into their cooling systems, these engines maintain optimal performance and reliability, making them suitable for a variety of demanding applications.

Role of Part 3689147 Turbo Coolant Supply Tube in Engine Systems

The 3689147 Turbo Coolant Supply Tube is an essential component in the efficient operation of turbocharged engine systems. This tube facilitates the circulation of coolant to the turbocharger, ensuring that the turbocharger remains within optimal operating temperatures.

Integration with Turbocharger

In turbocharged engines, the turbocharger operates under extreme conditions, generating significant heat. The 3689147 Turbo Coolant Supply Tube delivers coolant directly to the turbocharger, allowing for effective heat management. This helps in maintaining the turbocharger’s efficiency and longevity by preventing overheating, which can lead to performance degradation or failure.

Interaction with Plumbing

The Turbo Coolant Supply Tube is a key element in the engine’s coolant plumbing system. It connects to the engine’s coolant passages and the turbocharger, creating a closed-loop system for coolant circulation. This setup ensures that the coolant is consistently supplied to the turbocharger, enhancing the overall thermal management of the engine. Proper installation and maintenance of this tube are vital for the integrity of the coolant system, preventing leaks and ensuring consistent coolant flow.

Overall System Functionality

By integrating seamlessly with the turbocharger and the engine’s plumbing, the 3689147 Turbo Coolant Supply Tube plays a significant role in the engine’s cooling system. It helps in stabilizing the turbocharger’s temperature, which is essential for maintaining engine performance and reliability. The effective management of coolant flow through this tube contributes to the turbocharger’s ability to deliver increased air volume to the engine, thereby enhancing overall engine efficiency and power output.

Conclusion

The Turbo Coolant Supply Tube (Part #3689147) by Cummins is a vital component in the cooling systems of heavy-duty truck engines. Its role in maintaining optimal turbocharger temperatures ensures enhanced engine performance, efficiency, and reliability. Through its durable construction, precise design, and effective heat management capabilities, this part contributes significantly to the longevity and operational excellence of Cummins engines. Regular maintenance and proper installation are key to maximizing the benefits of this essential component.


  1. Watson, B. (2011). Mobile Equipment Hydraulics A Systems and Troubleshooting Approach. Cengage Learning.

  2. Hilgers, M. (2023). Chassis and Axles. Springer Vieweg.

  3. Fehan, D. R. (2013). Design of Racing and High-Performance Engines 2004-2013. SAE International.

SPECIFICATIONS

Package Dimensions
22.0 x 6.25 x 6.25 in
Weight
0.65 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.