4991284
Plain Hose
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$41.95 $49.92

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 4991284 Plain Hose is a component manufactured by Cummins, a well-established name in the commercial truck industry. This hose is designed for use in commercial trucks, where it plays a role in various fluid systems. Understanding its function and application is key to maintaining the efficiency and reliability of truck operations.

Basic Concepts of Plain Hoses

Plain hoses are a type of flexible tubing used in fluid systems to transport liquids or gases from one point to another. They are characterized by their simple, unadorned design, which lacks reinforcements such as wire spirals or textile braids. Unlike reinforced hoses, plain hoses rely solely on the properties of their material for strength and flexibility. They are commonly used in applications where the pressure and temperature conditions are moderate and where a smooth interior is required to prevent turbulence or clogging 1.

Purpose of the 4991284 Plain Hose in Truck Operations

In the context of commercial trucks, the 4991284 Plain Hose is integral to several systems. It is typically employed in the transportation of non-pressurized fluids, such as coolant or lubricants, within the engine compartment. The hose connects various components, allowing for the circulation of these fluids, which is vital for the cooling and lubrication of engine parts. Its role in these systems contributes to the overall performance and longevity of the truck’s engine 2.

Key Features of the 4991284 Plain Hose

The 4991284 Plain Hose is engineered with specific features that enhance its suitability for truck applications. It is constructed from materials that offer a balance of flexibility and durability, allowing it to withstand the dynamic environment of a commercial truck. The hose’s smooth interior facilitates efficient fluid flow, while its exterior is designed to resist wear and environmental factors. These characteristics ensure that the hose can perform reliably under the demanding conditions encountered in truck operations.

Benefits of Using the 4991284 Plain Hose

The advantages of the 4991284 Plain Hose include its reliability in transporting fluids within a truck’s system. Its design allows for straightforward installation, reducing downtime during maintenance procedures. Additionally, the hose is compatible with a variety of truck systems, making it a versatile component for fleet managers and technicians. The ease of integration and the hose’s performance contribute to the overall efficiency of truck maintenance and operation.

Installation and Integration

When installing the 4991284 Plain Hose, it is important to follow manufacturer guidelines to ensure proper integration within the truck’s system. This includes verifying that the hose is the correct length and diameter for the specific application and that it is securely connected to the appropriate fittings. Careful attention to these details during installation helps prevent leaks and ensures the hose functions as intended within the truck’s fluid systems.

Maintenance and Care

Regular maintenance of the 4991284 Plain Hose is necessary to ensure its longevity and optimal performance. This includes periodic inspections for signs of wear, such as cracks or softening of the material, which can indicate the need for replacement. Cleaning the hose as part of routine maintenance can also help prevent the buildup of contaminants that may affect its performance. Adhering to recommended inspection intervals and cleaning procedures will help maintain the integrity of the hose and the efficiency of the truck’s fluid systems.

Troubleshooting Common Issues

Common issues with the 4991284 Plain Hose may include leaks or blockages. If a leak is detected, it is important to identify the source and determine whether the hose needs to be repaired or replaced. Blockages can often be resolved by flushing the hose with a compatible cleaning solution. Regular inspections can help catch these issues early, allowing for timely intervention and minimizing the risk of more serious problems.

Replacement and Upgrades

When considering the replacement of the 4991284 Plain Hose, it is important to ensure compatibility with the truck’s existing system. Replacement hoses should meet the original specifications to maintain system integrity. In some cases, upgrades may be available that offer improved performance or durability. These upgrades can be a valuable investment for fleets looking to enhance the reliability of their trucks.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions solutions. With a strong presence in the commercial truck industry, Cummins is known for its commitment to quality and innovation. The company’s extensive product range and reputation for reliability make it a preferred choice for commercial truck operators and maintenance professionals.

Cummins Engine Compatibility with Part 4991284

The Cummins part 4991284, a Plain Hose, is designed to fit seamlessly within the engine systems of the 4B3.9 and 6B5.9 engines. This hose is integral to the engine’s operation, ensuring proper fluid flow and maintaining the integrity of the engine’s cooling and fuel systems.

4B3.9 Engine

In the 4B3.9 engine, the Plain Hose 4991284 is meticulously engineered to connect various components, facilitating the transfer of fluids essential for engine performance. Its placement is critical, ensuring that the engine operates efficiently and reliably.

6B5.9 Engine

Similarly, within the 6B5.9 engine, the Plain Hose 4991284 plays a pivotal role in maintaining the engine’s functionality. This hose is strategically positioned to handle the demands of the engine’s operational requirements, ensuring that fluid pathways remain unobstructed and efficient.

Grouping of Engines

Both the 4B3.9 and 6B5.9 engines benefit from the use of the Plain Hose 4991284, as it is designed to fit these specific engine models. The compatibility of this part with both engines underscores its versatility and importance in maintaining engine performance and reliability.

Role of Part 4991284 Plain Hose in Engine Systems

Part 4991284 Plain Hose is integral to the efficient operation of various engine components. It facilitates the seamless connection between the turbocharger and the manifold, ensuring optimal air transfer. This hose is designed to withstand the high pressures and temperatures associated with the turbocharger arrangement, making it a reliable component in the exhaust system.

The plain hose plays a significant role in maintaining the integrity of the air transfer process. By providing a durable and flexible connection, it allows for the efficient movement of air from the turbocharger to the manifold. This is essential for the proper functioning of the engine, as it ensures that the air-fuel mixture is delivered to the combustion chamber in the correct proportions.

In the context of the turbocharger arrangement, the plain hose contributes to the overall performance of the engine. It helps in managing the exhaust gases, which are redirected to spin the turbine in the turbocharger. This, in turn, compresses the intake air, leading to improved engine efficiency and power output.

Furthermore, the plain hose is a key component in the exhaust system. It not only connects the turbocharger to the manifold but also helps in reducing the noise and vibration associated with the exhaust gases. This makes it an essential part of the engine’s overall design, contributing to both performance and durability.

Conclusion

The 4991284 Plain Hose is a critical component in the maintenance and operation of commercial trucks. Its role in transporting fluids, facilitating efficient engine operation, and contributing to the overall reliability of truck systems cannot be overstated. Proper installation, regular maintenance, and timely replacement or upgrades are essential to ensure the continued performance and longevity of this Cummins part.


  1. Sclar, D. (2008). Auto Repair for Dummies: 2nd Edition. For Dummies.

  2. Aird, F. (2001). Bosch Fuel Injection Systems. HP Books.

SPECIFICATIONS

Package Dimensions
12.5 x 6.0 x 6.0 in
Weight
0.088 lbs
* 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.