4991643
Tur Coolant Supply Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$189.95 $226.04

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 4991643 Tur Coolant Supply Tube is a component manufactured by Cummins, a well-established name in the commercial truck industry. This part is integral to the maintenance and operation of commercial trucks, ensuring the efficient functioning of the engine cooling system. Cummins is renowned for its commitment to quality and innovation, making this coolant supply tube a reliable choice for truck operators and maintenance professionals 2.

Basic Concepts of Tur Coolant Supply Tubes

Coolant supply tubes in heavy-duty trucks are designed to facilitate the circulation of coolant throughout the engine. These tubes play a role in the engine cooling system by ensuring that coolant reaches critical components, helping to maintain optimal operating temperatures. Consistent and adequate coolant flow is vital for preventing engine overheating, which can lead to reduced performance and potential damage 1.

Purpose and Function of the 4991643 Tur Coolant Supply Tube

The 4991643 Tur Coolant Supply Tube is specifically designed to transfer coolant to essential engine components. By providing a direct and efficient pathway for coolant, it helps maintain the engine’s temperature within safe limits. This ensures that the engine operates smoothly and efficiently, even under demanding conditions.

Key Features

The 4991643 Tur Coolant Supply Tube is constructed with high-quality materials to ensure durability and performance. It features robust connections that are designed to withstand the pressures and temperatures encountered in heavy-duty truck engines. The tube’s design includes specific attributes that enhance its ability to deliver coolant effectively, contributing to the overall reliability of the engine cooling system.

Benefits of Using the 4991643 Tur Coolant Supply Tube

Utilizing the 4991643 Tur Coolant Supply Tube offers several advantages. It provides improved coolant flow, which enhances engine protection against overheating. The tube’s reliable construction contributes to increased durability and performance, even in challenging operating environments. This results in greater overall reliability for the truck’s engine cooling system.

Installation Considerations

Proper installation of the 4991643 Tur Coolant Supply Tube is crucial for ensuring its effective performance. It is compatible with various truck models and engine types, but it is important to follow specific installation procedures to guarantee a secure and efficient fit. Attention to detail during installation helps prevent issues such as leaks or improper coolant flow.

Troubleshooting Common Issues

Common issues with the 4991643 Tur Coolant Supply Tube may include leaks, blockages, or connection failures. Identifying these problems early is important for maintaining the efficiency of the engine cooling system. Recommended diagnostic procedures involve inspecting the tube for signs of wear or damage and ensuring that connections are secure. Repair or replacement may be necessary to address these issues effectively.

Maintenance and Care

Routine maintenance of the 4991643 Tur Coolant Supply Tube is important for ensuring its longevity and performance. Regular inspection intervals should be observed to check for any signs of wear or damage. Cleaning procedures may be required to remove any buildup that could impede coolant flow. Following replacement guidelines ensures that the tube continues to function optimally within the engine cooling system.

Cummins: A Brief Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its extensive history, diverse product portfolio, and strong reputation for quality and innovation. The company’s commitment to customer satisfaction is evident in its rigorous standards for product development and manufacturing. Cummins continues to be a trusted name for truck operators and maintenance professionals, providing reliable and high-performance components like the 4991643 Tur Coolant Supply Tube 2.

Tur Coolant Supply Tube (Part 4991643) in Cummins Engines

The Tur Coolant Supply Tube, identified by part number 4991643, 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 Specific Engines

  • QSB6.7 CM2250
    • The Tur Coolant Supply Tube is integral to the QSB6.7 CM2250 engine’s cooling system. It facilitates the transfer of coolant from the engine block to the turbocharger, ensuring that the turbocharger operates within safe temperature limits. This is particularly important in high-performance applications where the turbocharger is subjected to significant thermal stress.

Importance in Engine Performance

The Tur Coolant Supply Tube plays a pivotal role in the overall performance and longevity of the engine. By providing a reliable path for coolant to flow to the turbocharger, it helps in:

  • Maintaining Optimal Turbocharger Temperature: Ensuring that the turbocharger operates within its designed temperature range, which is crucial for its efficiency and durability.
  • Preventing Overheating: By efficiently channeling coolant, this part helps prevent the turbocharger from overheating, which can lead to performance degradation and potential failure.
  • Enhancing Engine Efficiency: Efficient cooling contributes to better engine performance and fuel efficiency by ensuring that all engine components operate at their best.

Compatibility and Installation

The Tur Coolant Supply Tube is engineered to fit seamlessly with the specified Cummins engines, ensuring a secure and leak-proof connection. Proper installation is critical to maintain the integrity of the cooling system and to avoid any potential coolant leaks that could compromise engine performance.

By integrating this component into the engine’s design, Cummins ensures that the cooling system functions effectively, thereby supporting the engine’s overall performance and reliability.

Role of Part 4991643 Tur Coolant Supply Tube in Engine Systems

The 4991643 Tur Coolant Supply Tube is an essential component in the efficient operation of engine systems, particularly in relation to the turbocharger and overall plumbing setup.

Integration with Turbocharger

In turbocharged engine systems, the turbocharger operates under extreme conditions, necessitating effective cooling to maintain performance and longevity. The 4991643 Tur Coolant Supply Tube facilitates the delivery of coolant to the turbocharger, ensuring that it remains within optimal temperature ranges. This tube is typically connected to the turbocharger’s coolant passages, allowing for consistent coolant flow that helps in dissipating heat generated during high-speed operation.

Contribution to Plumbing System

The Tur Coolant Supply Tube is a vital element in the engine’s plumbing system. It is responsible for routing coolant from the engine’s cooling system to the turbocharger and other components that require temperature regulation. This involves precise fitting and sealing to prevent leaks and ensure efficient coolant circulation. The tube connects to various plumbing components, such as hoses, fittings, and potentially heat exchangers, creating a comprehensive coolant network.

Enhanced System Performance

By effectively integrating with the turbocharger and plumbing system, the 4991643 Tur Coolant Supply Tube plays a significant role in enhancing the overall performance and reliability of the engine. Proper coolant supply ensures that the turbocharger operates efficiently, reducing the risk of overheating and potential damage. Additionally, the tube’s role in the plumbing system helps maintain consistent coolant levels and pressure, contributing to the engine’s stable operation under varying conditions.

Conclusion

The 4991643 Tur Coolant Supply Tube is a critical component in the cooling systems of Cummins engines, particularly in turbocharged applications. Its role in maintaining optimal turbocharger temperature, preventing overheating, and enhancing engine efficiency underscores its importance in the overall performance and reliability of the engine. Proper installation, maintenance, and timely troubleshooting are essential to ensure the effective functioning of this part within the engine’s cooling system.


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

  2. Bonnick, A. (2004). A Practical Approach to Motor Vehicle Engineering and Maintenance. Elsevier.

SPECIFICATIONS

Package Dimensions
33.0 x 1.0 x 7.0 in
Weight
0.9 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.