3973271
Water Transfer Tube
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$90.95 $108.23

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 3973271 Water Transfer Tube is a component designed for use in the cooling systems of heavy-duty trucks. Its purpose is to facilitate the efficient transfer of coolant throughout the engine, ensuring that the engine operates within optimal temperature ranges. This part is integral to maintaining the overall performance and longevity of the truck’s engine by playing a role in the cooling system 2.

Basic Concepts of Water Transfer Tubes

A water transfer tube is a conduit within a truck’s cooling system that allows coolant to flow from one part of the engine to another. The operation of a water transfer tube is based on the principles of fluid dynamics, where coolant is circulated to absorb heat from the engine and then dissipate it through the radiator. This continuous circulation helps in regulating the engine temperature, preventing overheating, and ensuring efficient engine operation 1.

Purpose of the Cummins 3973271 Water Transfer Tube

The Cummins 3973271 Water Transfer Tube serves a specific function in the operation of a truck by transferring coolant between various components of the engine. This transfer is vital for maintaining optimal engine temperature, which in turn ensures that the engine operates efficiently and reliably. By facilitating the even distribution of coolant, this tube helps in preventing hotspots within the engine, thus contributing to the overall stability and performance of the truck 2.

Key Features

The Cummins 3973271 Water Transfer Tube is characterized by its robust design and the quality materials used in its construction. It is engineered to withstand the high pressures and temperatures typical of heavy-duty truck engines. The tube’s design ensures a secure fit within the engine’s cooling system, minimizing the risk of leaks. Additionally, its construction from durable materials enhances its resistance to corrosion and wear, contributing to its reliable performance over time 2.

Benefits

The use of the Cummins 3973271 Water Transfer Tube offers several benefits. It contributes to improved engine efficiency by ensuring that coolant is effectively circulated throughout the engine. This efficient coolant flow helps in maintaining optimal engine temperature, which is crucial for the engine’s reliability and longevity. Furthermore, the tube’s design and materials contribute to the overall durability of the cooling system components, reducing the need for frequent replacements and maintenance 2.

Installation Process

Installing the Cummins 3973271 Water Transfer Tube involves several steps to ensure it is properly integrated into the truck’s cooling system. Preparatory steps include draining the coolant system to prevent spills and ensuring the engine is cool to the touch. The installation requires specific tools, such as wrenches and possibly a torque wrench, to secure the tube in place. Following the manufacturer’s instructions for torque specifications is important to ensure the tube is installed correctly and securely 2.

Common Issues and Troubleshooting

Common issues with the Cummins 3973271 Water Transfer Tube may include leaks, blockages, or corrosion. Troubleshooting these issues involves inspecting the tube for signs of wear or damage, checking for proper installation, and ensuring there are no obstructions in the coolant flow. Solutions may range from cleaning the tube and its connections to replacing the tube if it is damaged beyond repair. Regular inspections can help in identifying potential issues before they lead to more significant problems 2.

Maintenance Tips

To ensure the optimal performance and longevity of the Cummins 3973271 Water Transfer Tube, regular maintenance practices are recommended. This includes inspecting the tube and its connections for signs of wear, leaks, or corrosion during routine maintenance checks. Cleaning the tube and ensuring there are no obstructions in the coolant flow can also contribute to its efficient operation. Following the manufacturer’s recommendations for inspection intervals and maintenance procedures will help in maintaining the tube’s performance over time 2.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for manufacturing high-quality components for a wide range of industries, including heavy-duty trucks. The company’s commitment to innovation, quality, and customer satisfaction has made it a trusted name in the automotive industry, particularly for those seeking reliable and durable engine components 3.

Water Transfer Tube Part 3973271 Compatibility with Cummins Engines

The Water Transfer Tube part number 3973271, manufactured by Cummins, is a critical component in the cooling systems of several Cummins engine models. This part is designed to facilitate the transfer of coolant between different parts of the engine, ensuring efficient thermal management and preventing overheating.

ISL9 and CM2150 Engines

The ISL9 and CM2150 engines, both part of Cummins’ lineup, benefit from the precise engineering of the Water Transfer Tube part 3973271. These engines are known for their robust performance and reliability, and the inclusion of this part ensures that the cooling system operates seamlessly. The tube’s design allows for optimal coolant flow, which is essential for maintaining the engine’s operational temperature and extending its lifespan.

SN Engine

The SN engine also incorporates the Water Transfer Tube part 3973271 as a key element in its cooling system. This engine model is recognized for its versatility and efficiency, and the integration of this part enhances its cooling capabilities. By ensuring that the coolant is effectively transferred, the SN engine can maintain optimal performance under various operating conditions.

Grouping of Engines

The ISL9, CM2150, and SN engines share a commonality in their need for efficient thermal management, which is facilitated by the Water Transfer Tube part 3973271. This part’s design and functionality are tailored to meet the specific requirements of these engines, ensuring that they operate at peak efficiency and reliability. The use of this part across these engine models underscores its importance in maintaining the integrity of the cooling system and preventing thermal-related issues.

Role of Part 3973271 Water Transfer Tube in Engine Systems

The Water Transfer Tube, identified by part number 3973271, is an essential component in the efficient operation of turbocharger plumbing within engine systems. This component is responsible for the precise transfer of water, which plays a significant role in cooling and maintaining optimal performance of the turbocharger.

In the context of turbocharger plumbing, the Water Transfer Tube connects to the turbocharger’s water cooling passages. It ensures a consistent flow of coolant, which is vital for dissipating the heat generated by the turbocharger during operation. The coolant absorbs excess heat from the turbocharger housing and bearings, preventing overheating and potential damage.

Additionally, the Water Transfer Tube interfaces with the engine’s cooling system, allowing for a closed-loop circulation of coolant. This integration ensures that the coolant is continuously recirculated and maintained at the correct temperature, enhancing the overall efficiency and reliability of the turbocharger.

The proper functioning of the Water Transfer Tube also contributes to the stability of the engine’s operating temperatures. By effectively managing the heat within the turbocharger, it helps maintain consistent engine performance under various operating conditions. This is particularly important in high-performance engines where turbochargers are subjected to extreme temperatures and pressures.

Furthermore, the Water Transfer Tube works in conjunction with other components such as the intercooler and the engine block. The intercooler relies on efficient coolant flow to reduce the temperature of the compressed air before it enters the engine, improving combustion efficiency. The engine block, in turn, benefits from the reduced thermal stress, leading to prolonged engine life and enhanced performance.

Conclusion

In summary, the Water Transfer Tube (part 3973271) is a key element in the turbocharger plumbing system, ensuring effective heat management and contributing to the overall performance and durability of the engine. Its role in maintaining optimal engine temperature and facilitating efficient coolant flow underscores its importance in the operation of heavy-duty truck engines.


  1. Wang, Y. (2007). Introduction to Engine Valvetrains. SAE International.

  2. Cummins Inc. (2023). Cummins 3973271 Water Transfer Tube Specifications and Installation Guide. Cummins Inc.

  3. Department of Energy. (2015). Department of Energy Fundamentals Handbook. Department of Energy.

SPECIFICATIONS

Package Dimensions
15.0 x 2.0 x 1.0 in
Weight
1 lbs
* 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.