3689086
Tur Coolant Supply Tube
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$244.95 $291.49

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

Introduction

The Tur Coolant Supply Tube, identified by part number 3689086, is a component manufactured by Cummins, a well-established name in the automotive industry. This tube plays a significant role in the coolant systems of heavy-duty truck engines. Coolant systems are integral to maintaining engine efficiency and longevity by regulating temperature and preventing overheating. The Tur Coolant Supply Tube specifically contributes to this system by facilitating the circulation of coolant to critical engine components 1.

Basic Concepts of Coolant Systems in Heavy-Duty Trucks

Coolant systems in heavy-duty trucks operate on fundamental principles that involve the circulation of coolant through the engine to regulate temperature and prevent overheating. These systems typically include a coolant reservoir, water pump, thermostat, radiator, and various hoses and tubes that facilitate the movement of coolant. The coolant absorbs heat from the engine and transfers it to the radiator, where it is dissipated into the atmosphere. This continuous cycle ensures that the engine operates within optimal temperature ranges, enhancing performance and longevity 2.

Function and Operation of the Tur Coolant Supply Tube

The Tur Coolant Supply Tube is designed to direct coolant flow to the turbocharger, a component that plays a role in increasing engine efficiency by compressing the air entering the engine. The tube ensures that the turbocharger receives a consistent supply of coolant, which helps in dissipating heat efficiently. This consistent coolant flow is vital for maintaining the turbocharger’s performance and preventing overheating, which could lead to reduced efficiency or component failure 3.

Key Features of the 3689086 Tur Coolant Supply Tube

The 3689086 Tur Coolant Supply Tube is constructed with materials that offer durability and resistance to corrosion, ensuring long-term reliability in demanding environments. Its design is tailored to fit Cummins engines, ensuring compatibility and optimal performance. The tube’s construction includes features that enhance its ability to withstand high pressures and temperatures, contributing to its overall effectiveness in the coolant system.

Benefits of Using the 3689086 Tur Coolant Supply Tube

Incorporating the 3689086 Tur Coolant Supply Tube into heavy-duty truck engines offers several advantages. It contributes to improved turbocharger efficiency by ensuring consistent coolant flow, which aids in heat dissipation. This consistent cooling helps in maintaining optimal turbocharger performance and prolonging its lifespan. Additionally, the tube enhances the overall reliability of the engine’s coolant system, contributing to the engine’s longevity and efficiency.

Troubleshooting and Maintenance Suggestions

To ensure the Tur Coolant Supply Tube operates effectively, it is important to perform routine maintenance checks. Common issues such as leaks, blockages, or corrosion can be identified through visual inspections and pressure tests. Cleaning the tube and its connections regularly can prevent buildup that might impede coolant flow. In cases where the tube shows signs of wear or damage, following manufacturer guidelines for replacement is recommended to maintain system integrity.

Cummins: A Brief Overview

Cummins Inc. is a leader in the automotive industry, known for its commitment to innovation, quality, and customer satisfaction. With a diverse product portfolio that includes engines, filtration systems, and aftermarket parts, Cummins has established a reputation for manufacturing reliable and high-performance components. The company’s dedication to advancing technology and meeting the needs of its customers is evident in its wide range of products, including the Tur Coolant Supply Tube.

Role of Part 3689086 Tur Coolant Supply Tube in Engine Systems

The 3689086 Tur Coolant Supply Tube is an essential component in the efficient operation of both 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 points within the engine block and radiator, allowing for a consistent flow of coolant that absorbs heat from the engine components and dissipates it through the radiator. This process is vital for preventing overheating and maintaining the longevity of engine parts.

In the turbocharger system, the 3689086 Tur Coolant Supply Tube plays a similarly important role. Turbochargers operate at extremely high temperatures due to the compression of air and the subsequent increase in air temperature. The coolant supply tube delivers coolant to the turbocharger, specifically targeting the turbine and compressor housings. This helps in managing the heat generated, thereby enhancing the turbocharger’s efficiency and durability.

By integrating seamlessly with both the plumbing and turbocharger systems, the 3689086 Tur Coolant Supply Tube ensures that the engine operates within safe temperature ranges, contributing to overall performance and reliability.

Conclusion

The Tur Coolant Supply Tube, part number 3689086, is a critical component in the cooling systems of several engine models, including the QSX15, CM2350, and X105 engines. Its design and functionality are essential for ensuring that these engines operate at optimal temperatures, thereby enhancing their performance and lifespan. Regular maintenance and adherence to manufacturer guidelines for replacement are recommended to maintain the integrity of the cooling system.


  1. TK Garrett, K Newton, W Steeds, The Motor Vehicle, Reed Educational and Professional Publishing Ltd, 2001.

  2. Matthew Huang, Vehicle Crash Dynamics, CRC Press, 2002.

  3. R. Matthew Brach, SAE International’s Dictionary of Vehicle Accident Reconstruction and Automotive Safety, SAE Books, 2023.

SPECIFICATIONS

Package Dimensions
31.0 x 2.25 x 1.125 in
Weight
0.7 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.