4090345
Plain Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$309.95 $368.84

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 4090345 Plain Hose is a component designed for use in commercial trucks. It serves a specific function within the truck’s fluid systems, contributing to the overall efficiency and reliability of the vehicle. Understanding its purpose and significance is key to maintaining the optimal performance of commercial trucks.

Basic Concepts of Plain Hoses

Plain hoses are flexible tubes used to transport fluids within various systems. They are characterized by their simplicity, lacking reinforcements such as wire spirals or textile braids found in other hose types. This design allows for flexibility and ease of installation, making them suitable for a wide range of applications. In fluid systems, plain hoses play a role by providing a pathway for fluid movement, accommodating the dynamic movements and vibrations inherent in vehicle operations 1.

Purpose of the Cummins 4090345 Plain Hose

This Cummins part is integral to the fluid systems of commercial trucks. It is designed to transport specific fluids, ensuring they reach their intended destinations within the truck’s systems. This hose is part of the truck’s fluid transport network, contributing to the efficient operation of the vehicle by facilitating the movement of fluids under various conditions.

Key Features

This part is constructed from materials chosen for their durability and resistance to the fluids it transports. Its design includes features that enhance its performance, such as a smooth inner surface to minimize fluid flow resistance and external reinforcements to maintain shape and integrity under pressure. These characteristics contribute to the hose’s ability to withstand the demands of commercial truck operations.

Benefits

The Cummins 4090345 Plain Hose offers several advantages. Its design allows for efficient fluid transfer, reducing the likelihood of leaks and ensuring consistent system performance. The hose’s durability under high pressure and resistance to wear and environmental factors make it a reliable component in the truck’s fluid systems. These benefits contribute to the overall efficiency and longevity of the vehicle.

Installation Considerations

When installing this part, it is important to follow guidelines and best practices to ensure compatibility with other system components and to maintain the integrity of the fluid systems. Proper installation involves checking for correct fitment, securing connections to prevent leaks, and ensuring the hose is routed away from sharp edges or high-heat areas to avoid damage.

Troubleshooting Common Issues

Common issues with plain hoses can include leaks, kinks, or degradation over time. Identifying the cause of these problems is the first step in troubleshooting. Potential causes may include improper installation, exposure to harsh environmental conditions, or natural wear and tear. Recommended steps to address these issues include inspecting the hose for signs of damage, ensuring all connections are secure, and replacing the hose if necessary to maintain system performance.

Maintenance Tips

Regular maintenance of this Cummins part is key to ensuring its longevity and performance. This includes routine inspections for signs of wear, such as cracks or softening of the material, and checking connections for leaks. Replacing the hose when signs of significant wear are present helps prevent system failures and ensures the efficient operation of the truck’s fluid systems.

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 and innovation in the commercial truck industry. Its product range includes a variety of components designed to enhance the performance, efficiency, and reliability of commercial vehicles.

Cummins Part 4090345: Plain Hose Compatibility with G855 and N14 G Engines

The Cummins part 4090345, a Plain Hose, is designed to integrate seamlessly with specific engine models, ensuring optimal performance and reliability. This hose is a critical component in the engine’s cooling and fluid transfer systems, facilitating the movement of essential fluids such as coolant and oil.

G855 Engine

In the G855 engine, the Plain Hose part 4090345 plays a pivotal role in maintaining the engine’s operational integrity. It connects various fluid pathways, ensuring that the engine remains within its optimal temperature range and that all moving parts are adequately lubricated. The hose’s design and material are tailored to withstand the high pressures and temperatures typical of the G855 engine’s operating environment.

N14 G Engine

Similarly, in the N14 G engine, the Plain Hose part 4090345 is integral to the engine’s fluid management system. This hose is engineered to handle the demanding conditions of the N14 G engine, providing a reliable conduit for fluids that are crucial for the engine’s performance and longevity. Its placement and connections are meticulously designed to ensure that the engine operates efficiently and without leaks.

Common Features

Both engines benefit from the Plain Hose part 4090345 in several ways:

  • Durability: The hose is made from high-quality materials that resist wear and tear, ensuring a long service life.
  • Precision Fit: The hose is designed to fit perfectly within the engine’s architecture, minimizing the risk of leaks and ensuring efficient fluid transfer.
  • Ease of Installation: The hose is engineered for straightforward installation, reducing downtime and maintenance costs.

By integrating the Plain Hose part 4090345 into their systems, the G855 and N14 G engines benefit from enhanced reliability and performance, making this component a vital part of their overall design.

Role of Part 4090345 Plain Hose in Engine Systems

The 4090345 Plain Hose is an essential component in various engine systems, facilitating the smooth operation of several key components.

In the cleaner system, the 4090345 Plain Hose is responsible for transporting emissions from the engine to the catalytic converter, ensuring that harmful gases are effectively neutralized before being released into the atmosphere. This helps maintain the efficiency of the emissions control system and ensures compliance with environmental regulations.

Within the air system, the hose plays a significant role in directing air flow from the air filter to the intake manifold. This ensures that the engine receives a consistent supply of clean air, which is vital for optimal combustion and overall engine performance. Proper air flow also helps in maintaining the correct air-fuel ratio, which is essential for efficient engine operation.

In the module system, the 4090345 Plain Hose is often used to connect various sensors and control units. This ensures that data is accurately transmitted between components, allowing the engine control unit (ECU) to make precise adjustments to engine parameters. Reliable data transmission is key to the ECU’s ability to optimize fuel delivery, ignition timing, and other critical functions.

For the fuel control system, the hose is utilized to transport fuel vapors from the fuel tank to the charcoal canister. This process helps in reducing fuel emissions and ensures that the fuel system operates within safe pressure limits. Effective management of fuel vapors is important for both performance and environmental considerations.

Overall, the 4090345 Plain Hose is a versatile component that contributes to the efficient and reliable operation of multiple engine systems.

Conclusion

The Cummins 4090345 Plain Hose is a critical component in the fluid systems of commercial trucks, designed to ensure efficient and reliable operation of the vehicle. Its role in transporting fluids, compatibility with specific engine models, and contribution to various engine systems highlight its importance in maintaining the performance and longevity of commercial trucks. Regular maintenance and proper installation are essential to maximize the benefits of this part.


  1. Reif, K. (2014). Diesel Engine Management Systems and Components. Springer.

SPECIFICATIONS

Notes
CNGE X-REF# 3396120.
Package Dimensions
6.0 x 4.0 x 4.0 in
Weight
0.84 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.