4968935
Water Transfer Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$439.95 $523.54

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 Cummins 4968935 Water Transfer Tube is a component designed for use in commercial trucks. Its purpose is to facilitate the efficient transfer of coolant within the truck’s cooling system. This part is significant in maintaining optimal engine temperature, which is vital for the reliable operation of commercial trucks under various driving conditions 1.

Basic Concepts of Water Transfer Tubes

A Water Transfer Tube is a component within a truck’s cooling system that directs the flow of coolant from one part of the engine to another. It plays a role in the engine cooling system by ensuring that coolant circulates effectively, absorbing heat from the engine and dissipating it through the radiator. This process helps maintain engine temperature within a specified range, which is crucial for engine efficiency and longevity 2.

Purpose of the Cummins 4968935 Water Transfer Tube

The Cummins 4968935 Water Transfer Tube is specifically designed to enhance the cooling system’s efficiency in commercial trucks. It facilitates the movement of coolant between the engine block and the cylinder head, ensuring that all critical components are adequately cooled. This part contributes to engine performance by helping to prevent overheating, which can lead to engine damage and reduced efficiency 3.

Key Features

The Cummins 4968935 Water Transfer Tube is characterized by its robust design and the use of high-quality materials. It is engineered to withstand the high pressures and temperatures typical of commercial truck engines. The tube’s design includes precise fittings and connections that ensure a secure and leak-free installation. Additionally, the materials used in its construction are selected for their durability and resistance to corrosion, enhancing the tube’s performance and longevity.

Benefits

Using the Cummins 4968935 Water Transfer Tube offers several advantages. It contributes to improved engine cooling efficiency, which can lead to better overall engine performance. The tube’s durable construction reduces the likelihood of leaks or failures, potentially lowering maintenance costs. Furthermore, its efficient design can help in maintaining optimal engine temperature, which is beneficial for fuel efficiency and engine longevity.

Installation Process

Installing the Cummins 4968935 Water Transfer Tube requires careful attention to ensure proper fitting and function. The process involves disconnecting the old tube, cleaning the mating surfaces, and securely attaching the new tube using the appropriate tools and equipment. It is important to follow the manufacturer’s guidelines to ensure that the tube is correctly installed and that all connections are secure to prevent leaks.

Troubleshooting Common Issues

Common issues with Water Transfer Tubes include leaks and blockages. Leaks can often be identified by coolant loss or visible signs of coolant around the tube’s connections. Blockages may result in reduced coolant flow, indicated by overheating or inconsistent engine temperature. Troubleshooting these issues involves inspecting the tube and connections for signs of wear or damage, and ensuring that all fittings are secure and free from obstructions.

Maintenance Tips

Regular maintenance of the Cummins 4968935 Water Transfer Tube is important for ensuring its longevity and optimal performance. This includes periodic inspections for signs of wear, corrosion, or leaks. Cleaning the tube and its connections as part of routine engine maintenance can help prevent buildup that might obstruct coolant flow. Following the manufacturer’s recommended maintenance schedule will help in identifying and addressing potential issues before they lead to more significant problems.

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 has established a strong reputation in the commercial truck industry. The company’s commitment to quality and innovation is evident in its wide range of engine and component offerings, designed to meet the demanding requirements of commercial applications.

Water Transfer Tube (Part 4968935) Compatibility with Cummins Engines

The Water Transfer Tube, identified by part number 4968935 and manufactured by Cummins, is a critical component in various Cummins engine models. This part is integral to the engine’s cooling system, facilitating the transfer of coolant between different sections of the engine.

KTA19GC CM558 Engines

The KTA19GC CM558 engine series, known for its robust performance and reliability, incorporates the Water Transfer Tube as part of its intricate cooling system. This tube ensures efficient heat dissipation, which is crucial for maintaining optimal engine temperatures and preventing overheating. The design and placement of the Water Transfer Tube in these engines are meticulously engineered to support the engine’s operational demands, ensuring longevity and consistent performance.

Grouping of Engines

The Water Transfer Tube is compatible with a range of Cummins engines, including but not limited to, the KTA19GC CM558 series. This part’s design allows it to fit seamlessly into the cooling systems of these engines, providing a reliable method for coolant circulation. The compatibility extends to other similar engine models within the Cummins portfolio, where the cooling system architecture and requirements align with those of the KTA19GC CM558 engines.

This compatibility ensures that the Water Transfer Tube can be effectively utilized across various engine models, enhancing the overall efficiency and reliability of the engine’s cooling system.

Part 4968935 Water Transfer Tube Component Usage

The part 4968935 Water Transfer Tube is an essential component in the auxiliary cooling system of various engine setups. This tube facilitates the efficient transfer of coolant between the primary engine cooling system and the auxiliary cooling system.

In the auxiliary cooling system, the Water Transfer Tube connects to the engine’s thermostat housing, ensuring a consistent flow of coolant. It then routes the coolant to the auxiliary heat exchanger, where it dissipates excess heat before returning to the engine. This process helps maintain optimal engine temperature, especially under high-load conditions or in environments where additional cooling is necessary.

The tube also interfaces with the water pump, ensuring that coolant circulation is uninterrupted. Its design allows for seamless integration with the engine’s existing cooling pathways, enhancing the overall efficiency of the cooling system.

Additionally, the Water Transfer Tube works in conjunction with temperature sensors and control valves within the auxiliary cooling system. These components monitor coolant temperature and adjust the flow as needed to prevent overheating. The tube’s durable construction ensures it can withstand the pressures and temperatures inherent in engine cooling systems, providing reliable performance over time.

Conclusion

The Cummins 4968935 Water Transfer Tube is a vital component in the cooling systems of commercial trucks, particularly those equipped with Cummins engines. Its robust design, high-quality materials, and efficient coolant transfer capabilities contribute to maintaining optimal engine temperatures, enhancing engine performance, and ensuring longevity. Regular maintenance and proper installation are key to maximizing the benefits of this part, making it an essential component for the reliable operation of commercial trucks.


  1. Maclaurin, Bruce. High Speed Off-Road Vehicles. Wiley, 2018.

  2. Watson, Ben. Mobile Equipment Hydraulics A Systems and Troubleshooting Approach. Cengage Learning, 2011.

  3. Viskup, Richard. Diesel and Gasoline Engines. IntechOpen, 2020.

SPECIFICATIONS

Package Dimensions
31.0 x 1.5 x 1.5 in
Weight
2.5 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.