3905375
Fuel Supply Tube
Cummins®

Introduction

The Cummins 3905375 Fuel Supply Tube is a critical component in the fuel systems of commercial trucks, designed to facilitate the transfer of fuel from the tank to the engine. This ensures a consistent and reliable fuel supply, which is essential for the engine’s efficiency and performance ¹.

Basic Concepts of Fuel Supply Tubes

A fuel supply tube serves as a conduit for fuel from the storage tank to the engine. It is vital for maintaining a consistent fuel supply, which is necessary for the engine’s operation. Interruptions or inconsistencies in fuel supply can lead to engine misfires, reduced power, and potential engine damage over time ².

Role of the 3905375 Fuel Supply Tube in Truck Operation

The 3905375 Fuel Supply Tube is engineered to ensure a steady flow of fuel from the tank to the engine in commercial trucks. It connects the fuel tank to the engine’s fuel injection system, maintaining the required fuel pressure and flow rate for optimal engine performance ³.

Key Features

This Cummins part is constructed from materials resistant to fuel corrosion, ensuring durability. Its design includes precise dimensions to fit within the truck’s fuel system without leakage or restriction. Reinforced sections withstand fuel system pressure, and flexible materials accommodate movement and vibrations ⁴.

Benefits

Using the 3905375 Fuel Supply Tube can lead to improved fuel efficiency and enhanced engine performance due to a consistent fuel supply. Its reliability in various operating conditions contributes to the overall dependability of the truck’s fuel system ⁵.

Troubleshooting and Maintenance

Common issues with the Fuel Supply Tube include leaks, blockages, or wear and tear. Troubleshooting involves inspecting for damage, checking connections, and ensuring no obstructions. Maintenance practices include regular inspection, cleaning, and replacement if wear or damage is detected .

About Cummins

Cummins Inc. is a global leader in designing, manufacturing, and distributing engines, filtration, and power generation products. The company is known for its innovation and commitment to producing high-quality components for commercial and industrial applications .

Cummins Fuel Supply Tube Part 3905375 Compatibility

The Cummins Fuel Supply Tube part number 3905375 is designed for compatibility with various engine models, ensuring efficient and accurate fuel supply to engine components.

Engine Compatibility

• 4B3.9 and 6B5.9 Engines: The 3905375 is engineered for these engines, ensuring consistent fuel flow vital for engine efficiency and performance.
• B4.5 Engines: This engine model utilizes the 3905375 for effective fuel delivery, ensuring smooth engine operation.

Role of Part 3905375 Fuel Supply Tube in Engine Systems

The 3905375 Fuel Supply Tube is integral to the fuel delivery system, facilitating the transfer of fuel from the tank to the engine.

Integration with Fuel System Components

1. Fuel Tank to Fuel Filter: Connects the fuel tank to the fuel filter, maintaining fuel integrity.
2. Fuel Filtration: Ensures clean fuel for combustion by delivering fuel efficiently to the filter.
3. Plumbing and Routing: Part of the engine’s plumbing system, routed to avoid interference and damage.
4. Fuel Delivery Consistency: Essential for engine performance, ensuring a steady fuel flow.
5. System Pressure Maintenance: Works with the fuel pump to maintain correct fuel pressure.

Conclusion

The 3905375 Fuel Supply Tube is a key element in the fuel delivery system, ensuring efficient and reliable fuel transport from the tank to the engine, supporting overall engine performance and reliability.