4968641
Water Transfer Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$479.95 $571.14

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 Water Transfer Tube, part number 4968641, is a critical component designed to facilitate the efficient operation of heavy-duty trucks. Its role in the cooling system is significant, ensuring that the engine maintains optimal operating temperatures under various conditions.

Basic Concepts of Water Transfer Tubes

A water transfer tube is a conduit within the cooling system that allows for the movement of coolant between different components. Its function is to ensure that coolant is circulated effectively, absorbing heat from the engine and dissipating it through the radiator 1.

Purpose of the Cummins Water Transfer Tube

This Cummins part plays a role in the operation of a truck by facilitating the circulation of coolant. It connects critical components within the cooling system, allowing for the transfer of coolant that absorbs heat from the engine and carries it to the radiator for dissipation.

Key Features

The Water Transfer Tube is constructed with durable materials to withstand the high temperatures and pressures within the cooling system. It features precise connection points to ensure a secure fit and efficient coolant flow. Unique attributes may include reinforced sections to prevent leaks and enhance longevity.

Benefits of Using the Cummins Water Transfer Tube

Utilizing this part provides several advantages. It enhances coolant flow, contributing to more effective heat management. Its durable construction ensures reliability in heavy-duty applications, reducing the likelihood of failures and the need for frequent replacements.

Installation Process

Installing the Water Transfer Tube involves several steps. Begin by ensuring the engine is cool and the cooling system is drained. Disconnect the old tube, taking note of its orientation and connections. Install the new tube, ensuring all connections are secure and aligned correctly. Refill the cooling system with the appropriate coolant mixture.

Common Issues and Troubleshooting

Typical problems with the Water Transfer Tube may include leaks or blockages. To address leaks, inspect all connection points for tightness and integrity. For blockages, flush the cooling system to remove any debris that may be obstructing coolant flow.

Maintenance Tips

To ensure the longevity and efficient operation of the Water Transfer Tube, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, ensuring all connections remain tight, and flushing the cooling system as per the manufacturer’s recommendations to prevent buildup that could impede coolant flow.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a broad product range and a strong reputation in the automotive industry, Cummins is known for its commitment to quality and innovation in engine technology 2.

Cummins Water Transfer Tube 4968641 in Engine Applications

The Cummins Water Transfer Tube 4968641 is a crucial component in the cooling systems of several Cummins engine models. This part is integral to maintaining optimal engine temperature by facilitating the transfer of coolant between different parts of the engine’s cooling system.

QSK50 Engines

In the QSK50 series, the Water Transfer Tube is designed to ensure efficient coolant flow, which is essential for high-performance applications. This engine series is known for its robust construction and reliability, making it suitable for heavy-duty tasks. The tube’s role in the QSK50 is to connect various coolant passages, ensuring that the engine remains within its operational temperature range, even under strenuous conditions.

CM2150 Engines

The CM2150 engines also benefit from the Water Transfer Tube. This engine model is widely used in various industries due to its balance of power and efficiency. The tube’s placement in the CM2150 is critical for maintaining the engine’s thermal stability. It ensures that the coolant is evenly distributed, which helps in preventing hotspots and ensures consistent engine performance.

MCRS Engines

The MCRS engines, known for their versatility and adaptability, incorporate the Water Transfer Tube to enhance their cooling efficiency. This engine series is often used in marine applications, where effective cooling is paramount to prevent engine overheating. The tube’s design in the MCRS ensures that the coolant circulates effectively, which is vital for maintaining the engine’s performance in varying marine environments.

By integrating the Water Transfer Tube, Cummins ensures that these engines operate at peak efficiency, providing reliable performance across a range of demanding applications.

Role of Part 4968641 Water Transfer Tube in Engine Systems

The part 4968641 Water Transfer Tube is an essential component in the efficient operation of engine systems, particularly in the context of the manifold and water management within the engine.

Integration with the Manifold

The Water Transfer Tube is strategically positioned to interact with the manifold, a component responsible for distributing the air-fuel mixture to the engine’s cylinders. The tube facilitates the transfer of water, which is often used for cooling purposes within the manifold. This cooling is vital for maintaining optimal operating temperatures, ensuring that the manifold performs efficiently without the risk of overheating, which could lead to performance degradation or damage.

Water Management

In the broader context of water management within the engine, the Water Transfer Tube plays a significant role. It ensures that water is effectively circulated to areas where cooling is necessary, such as around the cylinder heads or other heat-sensitive components. This circulation helps in dissipating heat, thereby maintaining the engine’s thermal equilibrium. The tube’s design allows for precise water flow, which is crucial for the consistent performance of the engine under various operating conditions.

Enhancing Engine Performance

By effectively managing the water flow, the Water Transfer Tube contributes to the overall performance and longevity of the engine. It aids in preventing hotspots within the engine, which can arise from uneven cooling. This balanced cooling ensures that all components of the engine, including the manifold, operate within their designed temperature ranges, leading to more reliable and efficient engine performance.

Conclusion

The Cummins Water Transfer Tube, part number 4968641, is a vital component in the cooling systems of heavy-duty engines. Its role in facilitating efficient coolant circulation ensures that engines maintain optimal operating temperatures, contributing to their reliability and performance. Regular maintenance and proper installation are key to maximizing the benefits of this part.


  1. Dempsey, P. (2008). Troubleshooting and Repairing Diesel Engines. McGraw-Hill.

  2. Boyce, M. P. (2002). Gas Turbine Engineering Handbook, Second Edition. Gulf Professional Publishing.

SPECIFICATIONS

Package Dimensions
20.0 x 10.0 x 7.0 in
Weight
0.4 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.