3930789
Street Pipe Tee
Cummins®

The Cummins 3930789 Street Pipe Tee is a component designed for use in heavy-duty truck systems. Manufactured by Cummins Inc., a well-established name in the automotive and heavy-duty truck industry, this part is integral to the efficient operation of truck systems ⁴.

Basic Concepts and Functionality

A Street Pipe Tee is a fitting used in fluid systems to connect three pipes at a T-junction. It allows for the distribution or merging of fluids within a system. In the context of a truck’s system, the Street Pipe Tee facilitates the routing of fluids to different parts of the engine or other components, ensuring that each section receives the necessary fluid for operation ¹.

Purpose and Role in Truck Operation

The Cummins 3930789 Street Pipe Tee plays a specific role in the truck’s system by managing the distribution of fluids. It ensures that fluids are directed to the appropriate areas within the engine, contributing to the overall efficiency and performance of the truck. Proper fluid management is vital for maintaining system efficiency and preventing potential issues that could arise from improper fluid distribution ².

Key Features

The Cummins 3930789 Street Pipe Tee is characterized by several key features that enhance its performance. It is made from durable materials that can withstand the high pressures and temperatures typical in heavy-duty truck systems. The design of the tee includes precise fittings that ensure a secure connection, minimizing the risk of leaks. Additionally, it may feature unique attributes such as corrosion-resistant coatings or reinforced sections to further enhance its durability and performance ³.

Benefits

The use of the Cummins 3930789 Street Pipe Tee offers several advantages. It contributes to improved system reliability by ensuring that fluids are distributed efficiently throughout the truck’s system. This can lead to enhanced performance, as each component receives the necessary fluid for optimal operation. Furthermore, the durability and efficiency of this part can result in potential cost savings for fleet operators by reducing the need for frequent replacements or repairs ⁴.

Installation Considerations

Proper installation of the Cummins 3930789 Street Pipe Tee is crucial for its effective operation. It is recommended to follow manufacturer guidelines for installation, which may include specific torque settings for tightening fittings and the use of compatible sealants to prevent leaks. Special tools may be required to ensure a secure and proper fit, highlighting the importance of adhering to installation best practices ¹.

Troubleshooting and Maintenance

Common issues with the Cummins 3930789 Street Pipe Tee may include leaks or blockages, which can affect the efficiency of fluid distribution. Diagnostic steps for identifying problems may involve checking for signs of fluid leakage around the fittings or assessing the flow of fluid through the system. Recommended maintenance practices include regular inspections for wear or damage and ensuring that all connections are secure. These practices help to ensure the longevity and optimal performance of the part ².

Compatibility and Usage

The Cummins 3930789 Street Pipe Tee is designed for use in specific types of trucks and systems. It is important to verify compatibility with the truck model and system in which it will be installed to ensure proper function and integration ³.

Manufacturer Overview - Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions. With a history spanning over a century, Cummins has established a reputation for quality and innovation in the automotive and heavy-duty truck industry. Their product range includes engines, filtration systems, and other components designed to enhance the performance and efficiency of vehicles. Cummins’ commitment to quality and customer satisfaction has made them a trusted name in the industry ⁴.

Compatibility of Cummins Part 3930789 with Various Engine Models

The Cummins part 3930789, a Street Pipe Tee, is designed to fit seamlessly with a range of Cummins engine models. This part is engineered to ensure compatibility and optimal performance across different engine types, enhancing the overall functionality of the exhaust system ¹.

Grouping by Engine Series

4B3.9 and 6B5.9 Series

The 4B3.9 and 6B5.9 engines, both part of the B-series family, are designed for various applications, including agricultural and industrial use. The Street Pipe Tee part 3930789 is specifically engineered to fit these engines, ensuring a secure and efficient connection within the exhaust system. This compatibility is crucial for maintaining the performance and reliability of these engines ².

6C8.3 and L9.3 L105 Series

The 6C8.3 engine, known for its robust performance in heavy-duty applications, is also compatible with the Cummins Street Pipe Tee part 3930789. This part ensures that the exhaust system can handle the high demands placed on the engine, providing a reliable connection that can withstand the rigors of continuous operation.

Similarly, the L9.3 L105 engines, which are part of the L-series family, benefit from the use of part 3930789. This part is designed to fit these engines, ensuring that the exhaust system can efficiently manage the exhaust flow, contributing to the overall performance and longevity of the engine ³.

C GAS PLUS CM556

The C GAS PLUS CM556 engine, known for its versatility and efficiency, is also compatible with the Cummins Street Pipe Tee part 3930789. This part ensures that the exhaust system can effectively manage the exhaust gases, providing a reliable and efficient connection that enhances the engine’s performance.

By ensuring compatibility with these various engine models, the Cummins Street Pipe Tee part 3930789 plays a crucial role in maintaining the performance and reliability of the exhaust system, contributing to the overall efficiency and longevity of the engine ⁴.

Role of Part 3930789 Street Pipe Tee in Engine Systems

The Part 3930789 Street Pipe Tee is an essential component in various engine systems, facilitating the efficient distribution and management of fluids and gases. Its integration into the engine’s plumbing network allows for optimized performance and reliability ¹.

Fuel System Integration

In the fuel system, the Street Pipe Tee plays a significant role in the Fuel Pump Solenoid Assembly. It ensures that fuel is correctly distributed from the fuel pump to the engine’s fuel injectors. This component aids in maintaining consistent fuel pressure, which is vital for the engine’s combustion process. Additionally, it connects to the Fuel Pump Lubrication Supply, ensuring that the fuel pump receives adequate lubrication, prolonging its operational life and efficiency ².

Air and Fuel Control

The Street Pipe Tee is also integral to the Air Fuel Control system. It helps in the precise mixing of air and fuel, which is essential for optimal combustion. By allowing for the correct distribution of air and fuel, this component ensures that the engine operates efficiently, with minimal emissions and maximum power output ³.

Turbocharger and Ventilation

In turbocharged engines, the Street Pipe Tee is used in the Turbocharger Plumbing. It assists in managing the flow of exhaust gases that drive the turbocharger, enhancing the engine’s power output. Additionally, it connects to the Vent system, allowing for the release of excess pressure and gases, which is essential for maintaining safe operating conditions within the engine compartment ⁴.

Engine Coolant System

The Street Pipe Tee is also employed in the Engine Coolant system. It helps in the distribution of coolant throughout the engine, ensuring that all critical components are maintained at optimal temperatures. This is particularly important in preventing overheating and extending the lifespan of the engine ¹.

Campaign Kit and Latchout Oil Press

Finally, the Street Pipe Tee is a component in the Campaign Kit, which is used for various engine modifications and upgrades. It also connects to the Latchout Oil Press system, ensuring that the engine’s lubrication system operates smoothly, reducing wear and tear on moving parts ².

In summary, the Part 3930789 Street Pipe Tee is a versatile and essential component in multiple engine systems, contributing to the overall efficiency, performance, and reliability of the engine ³.

Conclusion

The Cummins 3930789 Street Pipe Tee is a critical component in heavy-duty truck systems, ensuring efficient fluid distribution and management. Its compatibility with various Cummins engine models, coupled with its durable construction and precise design, makes it an essential part for maintaining engine performance and reliability. Proper installation, regular maintenance, and understanding its role in different engine systems are key to maximizing the benefits of this part ⁴.