4947373
Orifice Fitting
Cummins®

The 4947373 Orifice Fitting, manufactured by Cummins, is a critical component in the fluid systems of commercial trucks. Cummins, a prominent name in the commercial truck industry, is known for its high-quality parts and systems. This fitting ensures efficient operation and reliability in commercial truck systems.

Basic Concepts of Orifice Fittings

Orifice fittings are essential components in fluid systems, designed to regulate the flow of liquids or gases by creating a restriction in the flow path. This regulation helps control pressure and flow rate within the system, ensuring that fluid dynamics are maintained within desired parameters. In automotive and industrial applications, orifice fittings are commonly used in fuel systems, hydraulic systems, and cooling systems to enhance the efficiency and reliability of machinery ¹.

Purpose of the 4947373 Orifice Fitting

The 4947373 Orifice Fitting is designed to regulate the flow of fluid in the fuel or hydraulic systems of commercial trucks. This regulation ensures that the system operates within optimal pressure and flow rate ranges, contributing to the efficient operation of the truck’s engine and other hydraulic components ².

Key Features

This Cummins part boasts several key features that enhance its performance and durability. It is constructed from high-quality materials, ensuring resistance to corrosion and wear. The design specifications are tailored to meet the demanding requirements of commercial truck applications, providing a reliable and efficient solution for fluid system regulation. Additionally, the fitting may include precise machining for accurate flow control and robust construction for long-term durability ³.

Benefits

Incorporating the 4947373 Orifice Fitting into commercial truck systems offers several benefits. It contributes to improved system efficiency by ensuring that fluid flow is regulated to optimal levels, leading to enhanced fuel efficiency and operational reliability. The durability and reliability of the fitting can result in cost savings for fleet operators by reducing the need for frequent replacements and maintenance.

Installation Considerations

When installing the 4947373 Orifice Fitting, it is important to follow guidelines and best practices to ensure proper setup. This may include using specific tools for installation and adhering to recommended procedures to avoid damage to the fitting or the system. Proper installation is crucial for the fitting to function as intended, contributing to the overall efficiency and reliability of the truck’s fluid systems.

Troubleshooting and Maintenance

Common issues that may arise with the 4947373 Orifice Fitting include blockages or leaks, which can affect the system’s performance. Diagnostic steps for identifying problems may involve checking for signs of wear or damage and ensuring that the fitting is securely installed. Maintenance tips to prolong the component’s lifespan include regular inspection for signs of wear, ensuring that the fitting is clean and free from debris, and replacing it if significant wear or damage is detected.

Performance Impact

The 4947373 Orifice Fitting affects the overall performance of the truck by ensuring that the fluid systems operate within optimal parameters. This can lead to improvements in fuel efficiency, system pressure regulation, and operational reliability. The fitting’s role in maintaining the correct flow and pressure within the system is vital for the efficient and reliable operation of the truck.

Cummins: Manufacturer Overview

Cummins is a leading manufacturer in the commercial truck industry, known for its high-quality engines, components, and systems. With a rich history and a strong reputation for innovation and reliability, Cummins offers a wide range of products designed to meet the demanding requirements of commercial truck applications. The 4947373 Orifice Fitting is just one example of the company’s commitment to providing reliable and efficient solutions for the industry.

Compatibility with Cummins Engines

The Orifice Fitting part number 4947373, manufactured by Cummins, is designed to fit a variety of Cummins engines. This fitting is crucial for maintaining the proper fuel flow and pressure within the engine’s fuel system. Below is a detailed description of its compatibility with specific Cummins engine models:

B6.7 CM2670 B153B

The Orifice Fitting 4947373 is compatible with the B6.7 CM2670 B153B engine. This engine is known for its robust performance and reliability, often used in heavy-duty applications.

ISB/ISD4.5 CM2150 B119

This fitting is also suitable for the ISB/ISD4.5 CM2150 B119 engine. This engine variant is recognized for its efficiency and durability, making it a popular choice for various industrial applications.

ISB/ISD6.7 CM2150 SN and ISBE CM2150

The Orifice Fitting 4947373 fits both the ISB/ISD6.7 CM2150 SN and ISBE CM2150 engines. These engines are part of the Cummins lineup that offers high power output and reliability, often used in demanding environments.

ISBE4 CM850

This fitting is compatible with the ISBE4 CM850 engine. This engine is designed for applications requiring high performance and efficiency, often found in specialized machinery.

ISD4.5 CM2220 D108

The Orifice Fitting 4947373 is also suitable for the ISD4.5 CM2220 D108 engine. This engine variant is engineered for specific applications that demand a balance of power and efficiency.

ISL9 CM2150 SN and ISL9.5 CM2880 L138

Lastly, the fitting fits the ISL9 CM2150 SN and ISL9.5 CM2880 L138 engines. These engines are known for their versatility and are used in a range of applications, from construction to agricultural machinery.

By ensuring the correct fitment of the Orifice Fitting 4947373, engine performance and longevity can be maintained, providing reliable operation across these various engine models.

Role of Part 4947373 Orifice Fitting in Engine Systems

The Part 4947373 Orifice Fitting is integral to the efficient operation of various engine systems, particularly in managing the flow dynamics of fluids such as engine coolant and vent systems.

Engine Coolant System

In the engine coolant system, the Orifice Fitting is positioned to regulate the flow of coolant. It ensures that the coolant is distributed evenly throughout the engine, maintaining optimal temperatures. This regulation is essential for preventing overheating and ensuring that all engine components receive adequate cooling. The fitting’s precise calibration allows for consistent coolant pressure, which is vital for the longevity and performance of the engine.

Vent System

Within the vent system, the Orifice Fitting plays a role in managing the release of gases and vapors. By controlling the flow rate, it helps maintain a stable pressure within the system, preventing any buildup that could lead to inefficiencies or potential damage. This is particularly important in systems where precise pressure management is required to ensure the safe and efficient operation of the engine.

The integration of the Orifice Fitting in these systems underscores its importance in maintaining the balance and efficiency of fluid dynamics within the engine, contributing to overall engine performance and reliability.

Conclusion

The 4947373 Orifice Fitting is a vital component in the fluid systems of commercial trucks, ensuring efficient operation and reliability. Its role in regulating fluid flow, maintaining optimal pressure and flow rate ranges, and contributing to the overall performance and reliability of the vehicle is significant. Proper installation, maintenance, and understanding of its compatibility with various Cummins engines are essential for maximizing the benefits of this fitting.