3966317
Fuel Supply Tube
Cummins®

Introduction

The Cummins 3966317 Fuel Supply Tube is a critical component in the fuel systems of heavy-duty trucks. It is designed to facilitate the transfer of fuel from the tank to the engine, ensuring a consistent and reliable fuel supply. This component is essential for maintaining the performance and efficiency of the vehicle’s engine.

Purpose and Function

The primary role of the Cummins 3966317 Fuel Supply Tube is to transport fuel from the tank to the engine. It ensures that fuel is delivered at a consistent flow rate and pressure, which is necessary for the engine to operate efficiently. The tube is designed to withstand the pressures and temperatures associated with fuel transport in heavy-duty applications ¹.

Key Features

This Cummins part is constructed from high-quality materials that offer durability and resistance to the corrosive effects of fuel. Its design includes features that enhance its performance, such as reinforced sections to prevent kinking and ensure a smooth flow of fuel. The tube is also engineered to be compatible with various fuel types, providing versatility in different operating conditions ².

Benefits

Utilizing the Cummins 3966317 Fuel Supply Tube offers several advantages. It contributes to improved fuel efficiency by ensuring a consistent fuel flow, which can lead to better overall engine performance. The tube’s robust construction promotes reliability and longevity, reducing the need for frequent replacements. Additionally, its efficient design helps in maintaining the integrity of the fuel system, which is crucial for the sustained operation of heavy-duty trucks ³.

Installation and Compatibility

Proper installation of the Cummins 3966317 Fuel Supply Tube is crucial for its effective function. It requires adherence to specific procedures to ensure a secure fit and proper connection within the fuel system. While detailed compatibility and specifications will be provided separately, it is important to follow manufacturer guidelines to ensure the tube is correctly installed and functions as intended within the vehicle’s fuel system.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3966317 Fuel Supply Tube is recommended to ensure its longevity and efficiency. This includes checking for signs of wear or damage and ensuring all connections are secure. Common issues may include fuel leaks or inconsistent fuel flow, which can often be addressed by inspecting and tightening connections or replacing worn sections of the tube.

Safety Considerations

When handling and installing the Cummins 3966317 Fuel Supply Tube, it is important to observe safety protocols to prevent fuel leaks and ensure safe operation. This includes working in a well-ventilated area, using appropriate personal protective equipment, and following all manufacturer instructions to avoid accidents or damage to the fuel system.

Environmental Impact

The efficient design of the Cummins 3966317 Fuel Supply Tube contributes to reduced fuel consumption and lower emissions. By ensuring a consistent and reliable fuel supply, it helps in optimizing engine performance, which can lead to more efficient fuel use and decreased environmental impact. This aligns with environmental standards and regulations aimed at reducing the carbon footprint of commercial vehicles.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes diesel and natural gas engines, as well as related technologies. With a history of innovation and a strong reputation in the commercial truck industry, Cummins is committed to providing reliable and efficient engine components. The company’s expertise in diesel technology is reflected in the quality and performance of its products, including the Cummins 3966317 Fuel Supply Tube.

Compatibility of Cummins Fuel Supply Tube 3966317

The Cummins Fuel Supply Tube part number 3966317 is designed to fit a variety of Cummins engine models. This part is integral to the fuel delivery system, ensuring that fuel is efficiently and accurately supplied to the engine components. Below is a detailed breakdown of the engine models that this fuel supply tube is compatible with:

ISC Series Engines

• ISC CM2150
• ISC CM850
• ISC8.3 CM2250

The ISC series engines are known for their robust performance and reliability, often used in heavy-duty applications. The fuel supply tube 3966317 is engineered to integrate seamlessly with these engines, ensuring optimal fuel flow and engine efficiency.

ISL Series Engines

• ISL CM2150
• ISL9 CM2150 SN
• ISL9 CM2250
• ISL9.5 CM2880 L138

The ISL series engines are designed for high-performance applications, often found in both on-highway and off-highway vehicles. The fuel supply tube 3966317 is compatible with these engines, providing a reliable connection for fuel delivery.

QSC and QSL Series Engines

• QSC8.3 CM850 (CM2850)
• QSC9 CM2250 / QSL9 CM2250
• QSL8.9 CM2150 L141
• QSL9 CM2250
• QSL9 CM2350 L102
• QSL9 CM850 (CM2850)

The QSC and QSL series engines are typically used in a variety of applications, from industrial to construction equipment. The fuel supply tube 3966317 is designed to fit these engines, ensuring that the fuel supply system operates smoothly and efficiently.

By ensuring compatibility with these diverse engine models, the Cummins Fuel Supply Tube 3966317 provides a reliable and efficient solution for maintaining the performance and longevity of Cummins engines.

Role of Part 3966317 Fuel Supply Tube in Engine Systems

The Fuel Supply Tube (part 3966317) is a critical component in the fuel delivery system of various engine setups. It facilitates the transfer of fuel from the fuel tank to the Fuel Transfer Pump. This tube ensures a consistent and reliable supply of fuel, which is necessary for the efficient operation of the engine.

In the context of the Fuel Transfer Pump, the Fuel Supply Tube connects directly to the pump’s inlet. This connection allows the pump to draw fuel from the tank and deliver it under pressure to the engine’s fuel injection system. The tube’s design and material are selected to withstand the pressures and temperatures within the fuel system, ensuring durable and safe operation.

Additionally, the Fuel Supply Tube often incorporates filtration elements within its design to trap any contaminants that may be present in the fuel. This helps in maintaining the cleanliness of the fuel as it reaches the transfer pump and subsequently the engine, thereby protecting sensitive components from damage.

The integration of the Fuel Supply Tube within the engine system highlights its importance in maintaining the overall performance and reliability of the engine. Proper installation and regular inspection of this component are recommended to prevent fuel supply issues that could lead to engine malfunctions.

Conclusion

The Cummins 3966317 Fuel Supply Tube is a vital component in the fuel delivery system of heavy-duty trucks. Its role in ensuring a consistent and reliable fuel supply is crucial for maintaining engine performance and efficiency. With its robust construction, compatibility with various engine models, and contribution to environmental sustainability, this part is an essential element in the operation of Cummins engines.