4938320
Plain Adapter Tee
Cummins®

Introduction

The Cummins 4938320 Plain Adapter Tee is a vital component in commercial truck systems, designed to facilitate the connection and distribution of fluids within the truck’s fluid management system. Understanding its function is key to maintaining and optimizing truck performance.

Basic Concepts of Plain Adapter Tee

A Plain Adapter Tee is a fitting that connects three different lines at a single point, allowing for the branching of fluid pathways. This ensures efficient routing of fluids such as coolant, oil, or hydraulic fluid to multiple destinations from a single source, maintaining the proper operation of the engine and other systems ¹.

Purpose of the 4938320 Plain Adapter Tee

This Cummins part plays a role in the fluid management system by providing a junction point for fluid lines. It ensures seamless integration of different fluid pathways, maintaining the efficiency and reliability of the truck’s engine and other fluid-dependent systems ².

Key Features

The 4938320 Plain Adapter Tee is constructed from durable materials to withstand the pressures and temperatures in commercial truck applications. Its design includes precise threading and fitting dimensions for a secure and leak-free connection. It may also feature reinforced connection points or corrosion-resistant coatings to enhance performance ³.

Benefits

Using this part offers several advantages, including improved system efficiency, enhanced longevity of the fluid system, and ease of installation. Its durable construction reduces the need for frequent replacements, and its design allows for quick and secure connections during maintenance or upgrades.

Installation Process

Installing the 4938320 Plain Adapter Tee requires careful attention to ensure a proper fit and secure connection. The process involves preparing the fluid lines, aligning the adapter tee, and tightening the connections to the manufacturer’s specified torque. Appropriate tools and additional components like gaskets or sealants may be necessary for a leak-free installation.

Common Applications

This part is commonly used in various commercial truck applications, including engine cooling systems, hydraulic systems, and lubrication systems. Its versatility makes it suitable for a wide range of truck models and systems, contributing to the efficient operation of these vehicles.

Troubleshooting and Maintenance

Regular maintenance and inspection are recommended to ensure the longevity and proper function of the 4938320 Plain Adapter Tee. Common issues may include leaks at connection points or corrosion. Maintenance practices should include checking for secure connections, inspecting for wear or damage, and cleaning the component as necessary. Inspection intervals vary depending on the application and operating conditions but should be conducted regularly as part of routine maintenance.

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 quality, reliability, and innovation in the commercial truck industry. The company’s product range includes engines, powertrains, and related components, all designed to meet the demanding requirements of commercial applications.

Cummins Engine Compatibility with Plain Adapter Tee Part 4938320

This part is designed to fit seamlessly with a variety of Cummins engine models, ensuring proper connection and functionality of the engine’s components, particularly in systems where a tee connection is necessary.

4B3.9 and 6B5.9 Engines

This part is compatible with the 4B3.9 and 6B5.9 engines, known for their robust performance and reliability in heavy-duty applications. It ensures secure and efficient connections within these engines.

B5.9 GAS PLUS CM556 Engine

For the B5.9 GAS PLUS CM556 engine, this part is essential for maintaining the integrity of the engine’s connections in high-performance gas applications.

ISB3.9 CM2220 B107 and QSB3.9 CM2880 B138 Engines

This part is also suitable for the ISB3.9 CM2220 B107 and QSB3.9 CM2880 B138 engines, part of Cummins’ lineup of high-performance diesel engines used in various industrial and commercial applications.

QSB5.9 CM2880 B139 Engine

The QSB5.9 CM2880 B139 engine benefits from this part, ensuring robust and reliable connections in heavy-duty applications.

QSF2.8 CM2880 F104, QSF2.8 CM2880 F105, and QSF2.8 CM2880 F108 Engines

This part is compatible with the QSF2.8 CM2880 F104, QSF2.8 CM2880 F105, and QSF2.8 CM2880 F108 engines, ensuring secure and efficient connections within these high-performance diesel engines.

Role of Part 4938320 Plain Adapter Tee in Engine Systems

The 4938320 Plain Adapter Tee is an essential component in various engine systems, facilitating the efficient operation and maintenance of several key elements.

• Drive System: Connects different sections of the drive mechanism, ensuring smooth transmission of power from the engine to the wheels.
• Rear Gear Train Accessory: Manages the flow of lubricating oil, ensuring adequate lubrication for gear train components.
• Lubricating Oil Drain Tube System: Provides a secure connection point for the drain tube, facilitating efficient oil drainage during maintenance.
• Plumbing Systems: Connects various pipes and hoses, ensuring a leak-free and efficient flow of fluids throughout the engine compartment.
• Cabin Heater: Connects the heater core to the engine’s coolant system, ensuring efficient circulation of warm coolant to the cabin.
• Vent Systems: Connects different vent components, ensuring proper airflow throughout the engine compartment.
• Engine Coolant System: Connects various coolant passages, ensuring even distribution of coolant throughout the engine to maintain consistent temperature and prevent overheating.

Conclusion

The Cummins 4938320 Plain Adapter Tee is a critical component in the fluid management systems of commercial trucks. Its durable construction, precise design, and compatibility with various Cummins engine models make it essential for maintaining the efficiency and reliability of these vehicles. Regular maintenance and proper installation are key to ensuring its longevity and optimal performance.