5270438
Oil Gauge Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$29.95 $35.64

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 Cummins 5270438 Water Transfer Tube is a component designed for use in heavy-duty trucks. Its purpose is to facilitate the efficient transfer of coolant between the engine and the radiator, ensuring that the engine operates within optimal temperature ranges. This component is significant in maintaining the overall performance and longevity of the truck’s engine by contributing to effective thermal management 1.

Purpose and Function

The Water Transfer Tube plays a role in the truck’s cooling system by enabling the movement of coolant from the engine to the radiator and back. This circulation helps dissipate heat generated by the engine, preventing overheating and ensuring stable operating temperatures. The tube is positioned to connect critical points in the cooling system, allowing for a continuous flow of coolant that absorbs heat from the engine and releases it through the radiator 2.

Key Features

The design and construction of the 5270438 Water Transfer Tube incorporate several features that enhance its performance and durability. The tube is typically made from high-quality materials resistant to corrosion and high temperatures, ensuring longevity in demanding environments. It features secure connection points, such as barb fittings or threaded ends, to maintain a leak-free seal. Additionally, the tube may include reinforced sections to withstand pressure fluctuations within the cooling system 3.

Benefits

The Cummins 5270438 Water Transfer Tube offers several advantages. It provides improved coolant flow, which enhances the efficiency of the cooling system. This results in better engine protection against overheating, especially under heavy loads or in extreme temperatures. The tube’s durable construction contributes to increased reliability, reducing the likelihood of coolant leaks or failures that could lead to engine damage.

Installation and Compatibility

Proper installation of the Water Transfer Tube is important for ensuring its effectiveness. Installation procedures may vary depending on the specific truck model and engine type, but generally involve securing the tube to the designated connection points within the cooling system. It is important to follow manufacturer guidelines to ensure a proper fit and seal. Compatibility information for specific truck models and engine types should be consulted to ensure the correct application of the tube.

Maintenance and Troubleshooting

Regular maintenance practices are recommended to ensure the optimal performance of the Water Transfer Tube. This includes periodic inspections for signs of wear, corrosion, or leaks. Cleaning the tube and its connections can prevent buildup that may impede coolant flow. Common issues such as leaks or reduced coolant flow can often be addressed by tightening connections or replacing worn components. Diagnostic steps should be taken to identify the source of any problems, allowing for targeted solutions.

Performance in Various Conditions

The 5270438 Water Transfer Tube is designed to perform effectively under a range of operating conditions. In extreme temperatures, it helps maintain coolant flow to prevent engine overheating. Under heavy loads, the tube ensures that the cooling system can handle increased heat generation. Its performance is also consistent across varying terrains, contributing to reliable engine operation in diverse environments.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions technologies. With a history spanning over a century, Cummins has established a reputation for innovation, quality, and reliability in the automotive and heavy-duty truck industry. The company’s product range includes components and systems designed to enhance the performance, efficiency, and durability of vehicles and equipment.

Compatibility with Cummins Engines

The Water Transfer Tube part number 5270438, manufactured by Cummins, is a critical component in the cooling systems of various Cummins engines. This part is designed to facilitate the transfer of coolant between different parts of the engine, ensuring efficient heat dissipation and maintaining optimal operating temperatures.

Compatibility with Specific Engines

  • 6B5.9 and 6C8.3 Engines The Water Transfer Tube part 5270438 is compatible with both the 6B5.9 and 6C8.3 engines. These engines are part of Cummins’ lineup of medium-duty diesel engines, known for their reliability and performance in various applications, including commercial vehicles and industrial equipment. The part ensures that coolant is effectively circulated, preventing overheating and maintaining engine efficiency.

  • ISB5.9 CM2880 B127 Engine The ISB5.9 CM2880 B127 engine, another robust member of Cummins’ engine family, also utilizes the Water Transfer Tube part 5270438. This engine is designed for heavy-duty applications, providing substantial power and durability. The part’s role in this engine is to maintain the coolant flow, which is crucial for the engine’s longevity and performance under demanding conditions.

Grouping of Engines

The engines mentioned—6B5.9, 6C8.3, and ISB5.9 CM2880 B127—are part of Cummins’ diverse engine portfolio, each tailored for specific applications. The Water Transfer Tube part 5270438 is integral to the cooling systems of these engines, ensuring that they operate efficiently and reliably. This part’s compatibility across these engines highlights its versatility and importance in maintaining the integrity of the cooling system.

Conclusion

The Cummins 5270438 Water Transfer Tube is a vital component in the cooling systems of heavy-duty trucks, ensuring efficient coolant flow and thermal management. Its robust design, compatibility with various Cummins engines, and the benefits it offers in terms of engine protection and reliability make it an essential part for maintaining optimal engine performance. Regular maintenance and proper installation are key to maximizing the effectiveness of this Cummins part.


  1. Randall, Martynn. Haynes Manual on Diesel Engines. Haynes Publishing, 2015.

  2. Stone, Richard. Introduction to Internal Combustion Engines, Fourth Edition. Macmillan, 2012.

  3. Bennett, Sean. Modern Diesel Technology: Light Duty Diesels. Cengage Learning, 2012.

* 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.