3910590
Mounting Spacer
Cummins®

Introduction

The Cummins 3910590 Mounting Spacer is a component designed for use in heavy-duty truck applications. Its primary role is to ensure proper alignment and spacing between various components within the truck’s assembly. This part is integral to maintaining the structural integrity and operational efficiency of the truck’s systems ¹.

Purpose and Function

The mounting spacer serves a vital function in truck assemblies by providing the necessary distance and alignment between components. It ensures that parts are correctly positioned relative to each other, which is crucial for the smooth operation of the truck. By maintaining proper spacing, the mounting spacer helps to prevent undue stress on components, reducing the likelihood of mechanical failure and enhancing the overall performance of the truck ².

Key Features

The Cummins 3910590 Mounting Spacer is constructed from high-quality materials, ensuring durability and reliability in demanding environments. Its design includes precise dimensions that are tailored to fit specific applications, guaranteeing a snug and secure fit. The spacer is engineered to withstand the rigors of heavy-duty use, providing long-lasting performance ³.

Benefits

Utilizing the Cummins 3910590 Mounting Spacer offers several advantages. It enhances component alignment, which is crucial for the efficient operation of the truck. By ensuring that parts are correctly spaced, the spacer helps to minimize vibration, which can lead to wear and tear on other components. Additionally, it contributes to improved system efficiency by maintaining the integrity of the assembly, thereby supporting the truck’s overall performance ⁴.

Installation Process

Installing the Cummins 3910590 Mounting Spacer requires careful attention to detail. Begin by ensuring that the area where the spacer will be installed is clean and free of debris. Use the appropriate tools to position the spacer between the components it is designed to separate. Secure it in place according to the manufacturer’s instructions, ensuring that it is firmly positioned without over-tightening, which could damage the spacer or the components it is installed between.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 3910590 Mounting Spacer is important to ensure its continued effectiveness. Inspect the spacer periodically for signs of wear or damage. If any issues are detected, such as cracks or significant wear, the spacer should be replaced to prevent potential failures. Additionally, ensure that the spacer remains properly aligned and secured during routine maintenance checks.

Compatibility and Applications

The Cummins 3910590 Mounting Spacer is designed to be compatible with a range of truck models and engine configurations. Its applications extend across various truck systems, where precise component alignment is required. This versatility makes it a valuable component in the maintenance and upgrade of heavy-duty trucks.

Manufacturer Overview

Cummins Inc. is a renowned manufacturer with a strong reputation in the automotive and heavy-duty truck industries. The company is known for its commitment to quality and innovation in the production of automotive components. Cummins’ extensive history and dedication to excellence ensure that their products, including the 3910590 Mounting Spacer, meet the high standards required for heavy-duty applications.

Cummins Mounting Spacer 3910590 Compatibility

The Cummins Mounting Spacer, part number 3910590, is designed to ensure proper alignment and stability in various Cummins engine configurations. This mounting spacer is engineered to fit seamlessly within the engine architecture of several Cummins models, providing essential support and maintaining the integrity of the engine’s mounting system.

4B3.9 and 6B5.9 Engines

For the 4B3.9 and 6B5.9 engines, the mounting spacer 3910590 plays a pivotal role in the engine’s mounting system. These engines, known for their robust performance and reliability, require precise mounting to function optimally. The spacer ensures that the engine is securely fastened to the vehicle’s chassis, reducing vibrations and enhancing overall engine longevity.

ISBE CM800 and ISX CM871 Engines

In the ISBE CM800 and ISX CM871 engines, the mounting spacer 3910590 is equally crucial. These engines are part of Cummins’ advanced CM800 and CM871 series, which are designed for heavy-duty applications. The spacer’s role here is to maintain the structural integrity of the engine, ensuring that it remains stable under heavy loads and various operating conditions. This is particularly important in applications where the engine is subjected to significant stress and strain.

The mounting spacer 3910590 is meticulously designed to fit these engines, providing a reliable and durable solution for engine mounting. Its precision engineering ensures that it meets the stringent requirements of Cummins’ high-performance engines, contributing to their overall efficiency and reliability.

Role of Part 3910590 Mounting Spacer in Engine Systems

The Part 3910590 Mounting Spacer is integral in ensuring precise alignment and spacing between various components within engine systems. Its application is particularly noted in the assembly and maintenance of the following components:

• Breather and Crankcase Systems: The Mounting Spacer assists in maintaining the correct distance between the breather and the crankcase, which is essential for efficient ventilation and pressure regulation within the crankcase. This spacing ensures that the crankcase breather operates effectively, allowing for the release of gases without compromising the system’s integrity.

• Fuel Supply and Filtration: In fuel systems, the Mounting Spacer is used to accurately position the fuel supply tube and fuel filter. This precise alignment is vital for maintaining a consistent fuel flow and ensuring that the fuel filter can effectively remove contaminants without restriction.

• Plumbing and Fuel Transfer: When integrating plumbing components for fuel transfer, the Mounting Spacer plays a role in securing the components at the optimal distance. This ensures that fuel lines are not under undue stress, which could lead to leaks or failures in the fuel transfer process.

• Gauge and Oil Level Monitoring: For systems that include gauges for monitoring oil levels, the Mounting Spacer ensures that the gauge is positioned correctly in relation to the oil level sensor. This accurate placement is necessary for reliable readings and effective monitoring of the engine’s lubrication system.

• Tube Brace Support: In applications where tube braces are used to reinforce fuel lines or other plumbing, the Mounting Spacer helps in maintaining the structural integrity of these supports. It ensures that the braces are held firmly in place, providing the necessary support without interfering with the operation of adjacent components.

Overall, the Part 3910590 Mounting Spacer is a key component in the meticulous assembly and maintenance of engine systems, facilitating the proper function and longevity of various interconnected parts.

Conclusion

The Cummins 3910590 Mounting Spacer is a critical component in heavy-duty truck applications, ensuring proper alignment and spacing between various components. Its high-quality construction, precise dimensions, and compatibility with a range of engine configurations make it an essential part for maintaining the structural integrity and operational efficiency of truck systems. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.