3968968
Mounting Spacer
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$54.95 $65.39

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

Introduction

The Cummins 3968968 Mounting Spacer is a component designed for use in commercial truck operations. It serves a specific function within the truck’s mechanical assembly, contributing to the overall efficiency and reliability of the vehicle. This spacer is integral to maintaining the proper spacing and alignment between various components, ensuring smooth operation and longevity of the truck’s mechanical systems.

Basic Concepts of Mounting Spacers

Mounting spacers are mechanical components used to create and maintain precise distances between parts in an assembly. They play a role in ensuring that components are correctly aligned and securely fastened. By providing the necessary gap, spacers help in distributing loads evenly, reducing stress on individual parts, and minimizing the risk of misalignment. This contributes to the stability and optimal performance of the mechanical system 1.

Purpose of the Cummins 3968968 Mounting Spacer

The Cummins 3968968 Mounting Spacer is specifically designed to maintain proper spacing and alignment between components in a truck’s engine or transmission system. Its role is to ensure that parts are positioned correctly relative to each other, which is vital for the efficient operation of the truck. Proper spacing helps in reducing wear and tear, enhancing the durability of the components, and ensuring that the truck operates smoothly 2.

Key Features

The Cummins 3968968 Mounting Spacer is characterized by several key features that enhance its performance and durability. It is typically made from high-quality materials that offer resistance to wear and corrosion. The spacer is designed with precise dimensions to ensure accurate spacing. Additionally, its design may include features such as chamfered edges or specific surface treatments to improve installation and functionality.

Benefits of Using the Cummins 3968968 Mounting Spacer

Utilizing the Cummins 3968968 Mounting Spacer offers several advantages. It contributes to improved component alignment, which is crucial for the efficient operation of the truck. By maintaining proper spacing, the spacer helps in reducing vibration, which can lead to enhanced comfort for the driver and passengers. Furthermore, the spacer’s durable construction contributes to the prolonged life of the equipment, potentially leading to cost savings over time 3.

Installation Considerations

Proper installation of the Cummins 3968968 Mounting Spacer is crucial for ensuring optimal performance. Before installation, it is important to ensure that the mating surfaces are clean and free from debris. The use of appropriate tools and following the manufacturer’s guidelines can help in achieving a secure and accurate fit. Careful attention to detail during installation will contribute to the spacer’s effectiveness in maintaining component alignment and spacing.

Troubleshooting Common Issues

Common issues that may arise with mounting spacers include misalignment or wear. If components appear misaligned, it may be necessary to re-evaluate the installation process to ensure that the spacer is correctly positioned. Wear on the spacer can be addressed by inspecting the component for signs of damage and considering replacement if necessary. Regular maintenance and inspections can help in identifying and resolving these issues promptly.

Maintenance Tips

Regular maintenance of the Cummins 3968968 Mounting Spacer is important for ensuring its continued effectiveness. Inspections should be conducted at regular intervals to check for signs of wear or damage. Cleaning the spacer and its surrounding components can help in preventing the buildup of debris that may affect performance. If the spacer shows significant wear or damage, it should be replaced to maintain the proper functioning of the truck’s mechanical system.

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 strong reputation in the commercial truck industry for producing reliable and high-performance components. The company’s product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial truck operations.

Application in Cummins Engines

QSB5.9 CM850 and QSK60 CM500

The Mounting Spacer part 3968968 is integral to the QSB5.9 CM850 and QSK60 CM500 engines. These engines are part of Cummins’ lineup of industrial and marine diesel engines, known for their robust performance and reliability. The spacer plays a crucial role in maintaining the structural integrity of the engine by providing the necessary spacing between mounting points. This ensures that components such as the engine block, transmission, and other ancillary parts are correctly positioned, which is vital for the engine’s operational efficiency and longevity.

Importance of the Mounting Spacer

The proper installation of the Mounting Spacer part 3968968 is essential for several reasons:

  • Alignment: It ensures that engine components are aligned correctly, reducing the risk of mechanical failure due to misalignment.
  • Load Distribution: The spacer helps in evenly distributing the load across the engine’s mounting points, which is crucial for maintaining the engine’s structural integrity.
  • Vibration Dampening: By providing the correct spacing, it helps in reducing vibrations, contributing to smoother engine operation and reducing wear on engine components.
  • Ease of Assembly: The spacer simplifies the assembly process by providing a standardized method for mounting components, which is particularly important in industrial and marine applications where time and efficiency are critical.

Compatibility and Usage

The Mounting Spacer part 3968968 is designed to be compatible with the QSB5.9 CM850 and QSK60 CM500 engines, ensuring that it fits seamlessly into the engine’s design. This compatibility is crucial for maintaining the engine’s performance and reliability. Technicians and engineers should ensure that the spacer is correctly installed according to the manufacturer’s specifications to avoid any potential issues during operation.

Maintenance and Replacement

Regular inspection of the Mounting Spacer part 3968968 is recommended to ensure it remains in good condition. Any signs of wear or damage should be addressed promptly to prevent potential issues that could affect the engine’s performance. Replacement should be carried out using genuine Cummins parts to maintain the engine’s warranty and ensure compatibility with other engine components.

Role of Part 3968968 Mounting Spacer in Engine Systems

The 3968968 Mounting Spacer is an essential component in various engine systems, facilitating the proper alignment and spacing between different parts. Its role can be observed in the following applications:

Front Engine Assembly

In the front engine assembly, the 3968968 Mounting Spacer ensures that the engine components are correctly aligned. This alignment is vital for the efficient operation of the engine, as it allows for proper clearance and reduces the risk of component interference. The spacer is positioned between the engine block and the front guard, providing the necessary distance to accommodate the plumbing and other front-end components.

Plumbing and Intercooler Water System

When integrating the intercooler water system, the 3968968 Mounting Spacer plays a significant role. It maintains the correct spacing between the intercooler and the engine, ensuring that the plumbing fits without any obstructions. This proper spacing is essential for the efficient flow of coolant, which is critical for maintaining optimal engine temperature.

Raw Water Pump Integration

In systems that include a raw water pump, the 3968968 Mounting Spacer is used to ensure that the pump is correctly positioned in relation to the engine. This spacing is important for the pump’s performance, as it allows for the proper flow of raw water through the engine’s cooling system. The spacer helps in maintaining the alignment of the pump with the engine’s water passages, ensuring efficient cooling and preventing potential overheating issues.

Overall Engine System

Across the entire engine system, the 3968968 Mounting Spacer contributes to the structural integrity and functional efficiency of the engine components. By providing the necessary spacing and alignment, it supports the smooth operation of the engine, enhancing its reliability and performance.

Conclusion

The Cummins 3968968 Mounting Spacer is a vital component in the assembly and operation of Cummins diesel engines. Its role in maintaining proper alignment and spacing between engine components is crucial for the efficient and reliable operation of the engine. Regular maintenance and proper installation are essential to ensure the spacer’s effectiveness and the engine’s longevity.


  1. The Motor Vehicle, TK Garrett, K Newton, W Steeds, Reed Educational and Professional Publishing Ltd, 2001.

  2. Introduction to Engine Valvetrains, Yushu Wang, SAE International, 2007.

  3. Haynes Manual on Diesel Engines, Martynn Randall, Haynes Publishing, 2015.

SPECIFICATIONS

Package Dimensions
1.0 x 0.75 x 0.75 in
Weight
0.05 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.