3934255
Mounting Spacer
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$34.95 $41.59

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 3934255 Mounting Spacer is a component manufactured by Cummins, a well-established name in the commercial truck industry. This Cummins part is specifically designed for use in commercial trucks, where it plays a role in ensuring the proper functioning and longevity of various truck components 1.

Basic Concepts of Mounting Spacers

Mounting spacers are mechanical components used to create and maintain specific distances between parts within a system. They are commonly employed in various applications to ensure that components are correctly aligned and spaced. In the context of heavy-duty trucks, mounting spacers help in maintaining the integrity of the mechanical systems by providing necessary clearances and alignments that prevent undue stress and wear on the components 2.

Purpose of the 3934255 Mounting Spacer

The 3934255 Mounting Spacer is designed to play a specific role in the operation of a truck. It functions by maintaining the proper alignment and spacing between components, which is vital for the efficient operation of the truck’s mechanical systems. By ensuring that parts are correctly positioned, this mounting spacer helps in reducing the likelihood of misalignment-related issues, thereby contributing to the overall reliability and performance of the truck 3.

Key Features

The 3934255 Mounting Spacer boasts several key features that enhance its performance and durability. It is constructed from high-quality materials that offer resistance to wear and corrosion, ensuring longevity in demanding truck environments. The spacer’s dimensions are precisely engineered to fit specific applications, and its design includes features that facilitate easy installation and removal. Additionally, the spacer is designed to withstand high loads and vibrations, which are common in commercial truck operations 4.

Benefits of Using the 3934255 Mounting Spacer

Utilizing the 3934255 Mounting Spacer offers several advantages. It contributes to improved component alignment, which is crucial for the efficient operation of the truck’s mechanical systems. By maintaining proper spacing, the spacer helps in reducing wear and tear on connected components, leading to extended service life. Furthermore, the enhanced alignment and spacing provided by the spacer can lead to improved overall system efficiency, potentially resulting in better fuel economy and reduced maintenance costs.

Installation Process

Installing the 3934255 Mounting Spacer requires careful attention to ensure proper fit and function. The process involves cleaning the mounting surfaces to ensure a secure fit, positioning the spacer between the components it is designed to separate, and then securing it in place using the appropriate fasteners. It is important to follow the manufacturer’s guidelines for torque specifications to avoid over-tightening, which could damage the spacer or the components it is installed between.

Troubleshooting Common Issues

Common issues with mounting spacers can include improper fit, damage from corrosion, or failure due to excessive load or vibration. To address these problems, it is important to inspect the spacer regularly for signs of wear or damage. If an issue is identified, the spacer should be replaced with a new one that meets the original specifications to ensure continued proper function of the truck’s mechanical systems.

Maintenance Tips

Regular maintenance of the 3934255 Mounting Spacer is key to ensuring its longevity and optimal performance. This includes periodic inspection for signs of wear, corrosion, or damage. Cleaning the spacer and its surrounding areas can help prevent the buildup of dirt and debris, which could lead to premature wear. Following the manufacturer’s recommendations for inspection intervals and maintenance procedures will help in maintaining the spacer’s condition and ensuring the reliable operation of the truck.

Cummins: A Brief 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 strong reputation in the commercial truck industry for producing high-quality, reliable components. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial truck applications. Cummins’ commitment to innovation, quality, and customer satisfaction has made it a trusted name in the industry.

Cummins Mounting Spacer 3934255 Compatibility

The Cummins Mounting Spacer part number 3934255 is designed to fit seamlessly with various Cummins engines, ensuring proper alignment and stability. This mounting spacer is a critical component in the engine assembly, providing the necessary support and spacing between different parts.

Engine Compatibility

  • 4B3.9 Series

    • The 3934255 mounting spacer is specifically engineered to fit within the 4B3.9 engine series. This engine series is known for its robust performance and reliability, making it a popular choice in various industrial applications.
  • Other Cummins Engines

    • While the primary focus is on the 4B3.9 series, the 3934255 mounting spacer is also compatible with other Cummins engines. Its versatile design allows it to be used across multiple engine models, ensuring a secure fit and optimal performance.

Installation and Usage

  • Precision Fit

    • The mounting spacer is manufactured to precise specifications, ensuring a perfect fit with the engine components. This precision is crucial for maintaining the integrity of the engine assembly and preventing any misalignment issues.
  • Durability

    • Constructed from high-quality materials, the 3934255 mounting spacer is built to withstand the rigors of heavy-duty use. Its durability ensures a long service life, reducing the need for frequent replacements and maintenance.
  • Ease of Installation

    • The design of the 3934255 mounting spacer allows for straightforward installation. Technicians can easily integrate it into the engine assembly, minimizing downtime and ensuring that the engine operates at peak efficiency.

Role of Part 3934255 Mounting Spacer in Engine Systems

The Part 3934255 Mounting Spacer is an integral component in the assembly and operation of various engine systems, particularly in relation to the Valve and Fuel Shutoff mechanisms.

Valve Mechanism

In the valve mechanism, the Mounting Spacer ensures proper alignment and spacing between the valve and its housing. This alignment is essential for the valve to operate smoothly, allowing it to open and close with precision. The spacer helps in maintaining the correct distance, which is vital for the valve’s sealing efficiency and overall performance. Without the proper spacing, the valve could experience increased wear, reduced efficiency, or even failure.

Fuel Shutoff System

In the Fuel Shutoff system, the Mounting Spacer plays a significant role in ensuring the shutoff mechanism functions correctly. It provides the necessary gap between the shutoff valve and its mounting bracket, allowing for unimpeded movement. This is important for the shutoff valve to engage and disengage properly, ensuring that fuel flow is accurately controlled. The spacer helps in reducing friction and wear on the shutoff components, contributing to the longevity and reliability of the fuel shutoff system.

Overall, the Part 3934255 Mounting Spacer is a key element in maintaining the integrity and performance of both the valve and fuel shutoff systems within engine assemblies.

Conclusion

The 3934255 Mounting Spacer is a critical component in the maintenance and operation of commercial truck engines. Its role in ensuring proper alignment and spacing between components contributes to the overall reliability and efficiency of the truck’s mechanical systems. By understanding the key features, benefits, and proper installation and maintenance procedures of this part, truck operators and technicians can ensure the longevity and optimal performance of their vehicles.


  1. Parikyan, T. (Ed.). (2022). Advances in Engine and Powertrain Research and Technology. Springer Nature.

  2. Lejda, K., & Wos, P. (2012). Internal Combustion Engines. InTech.

  3. Reif, K. (2014). Fundamentals of Automotive and Engine Technology: Standard Drives, Hybrid Drives, Brakes, Safety Systems. Springer Vieweg.

  4. Kluczyk, B. (2008). How to Rebuild Any Automotive Engine. CarTech.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
0.375 x 0.375 x 0.25 in
Weight
0.01 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.