3978702
Filter Bracket
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$194.95 $231.99

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 3978702 Filter Support Bracket is a component designed to enhance the operation of commercial trucks. Its purpose is to provide a secure mounting point for the truck’s filtration system, ensuring that the filter remains properly positioned and supported during operation. This support is significant for maintaining the efficiency and performance of the truck’s engine.

Basic Concepts of Filter Support Brackets

A Filter Support Bracket serves as a structural component within a truck’s filtration system. Its general function is to hold the filter in place, ensuring it is correctly aligned and supported. This contributes to the overall efficiency and performance of the vehicle by maintaining the integrity of the filtration process, which is vital for engine health and longevity 1.

Purpose of the Cummins 3978702 Filter Support Bracket

The Cummins 3978702 Filter Support Bracket plays a specific role in the truck’s operation by supporting and securing the filter within the system. This ensures that the filter operates under optimal conditions, allowing for efficient filtration of contaminants from the engine’s lubricant or fuel, depending on the application. Proper support and alignment of the filter are crucial for maintaining the filtration system’s effectiveness.

Key Features

The Cummins 3978702 Filter Support Bracket is characterized by several key features that enhance its performance and durability. Its design is engineered to provide a stable and secure mounting solution for the filter. The materials used in its construction are chosen for their strength and resistance to the harsh conditions found in commercial truck environments. Additionally, the bracket may feature unique characteristics such as corrosion resistance or ease of installation, which contribute to its overall effectiveness.

Benefits of Using the Cummins 3978702 Filter Support Bracket

Utilizing the Cummins 3978702 Filter Support Bracket offers several advantages. It provides improved filter stability, which is crucial for maintaining the efficiency of the filtration system. Enhanced filtration efficiency contributes to better engine performance and longevity by ensuring that contaminants are effectively removed from the engine’s lubricant or fuel. This, in turn, helps to protect the engine from wear and damage, potentially extending its operational life 2.

Installation Process

Installing the Cummins 3978702 Filter Support Bracket involves several steps to ensure proper fitting and function. The process begins with identifying the correct location for the bracket within the truck’s filtration system. Tools and additional components required for installation may include fasteners and possibly a torque wrench to ensure secure mounting. Following the manufacturer’s instructions for installation is recommended to achieve the best results. Best practices include verifying the alignment of the bracket and filter before final tightening and ensuring that all connections are secure.

Troubleshooting Common Issues

Common problems that may arise with the Cummins 3978702 Filter Support Bracket include misalignment or damage to the bracket or filter. Troubleshooting steps to address these issues effectively may involve inspecting the bracket and filter for proper alignment and condition. If misalignment is detected, adjusting the bracket’s position or re-securing it may be necessary. In cases of damage, replacement of the affected component is recommended to restore the filtration system’s integrity.

Maintenance Tips

Regular maintenance practices are recommended to ensure the longevity and optimal performance of the Cummins 3978702 Filter Support Bracket. Inspection intervals should be established to check for signs of wear, corrosion, or damage. Cleaning procedures may involve removing any accumulated dirt or debris from the bracket and surrounding areas to prevent contamination of the filtration system. Following these maintenance tips can help maintain the bracket’s effectiveness and contribute to the overall health of the truck’s engine.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the commercial truck industry. The company’s product range includes a variety of components and systems designed to enhance the performance, efficiency, and reliability of commercial vehicles. The Cummins 3978702 Filter Support Bracket is part of this extensive product line, reflecting Cummins’ commitment to quality and reliability in the components it produces.

Cummins Filter Support Bracket 3978702 Compatibility

The Cummins Filter Support Bracket part number 3978702 is designed to fit a variety of Cummins engines, ensuring a secure and reliable mounting for the engine’s air filter. This bracket is engineered to maintain the integrity of the air filtration system, which is crucial for engine performance and longevity.

ISB/ISD6.7 CM2150 SN, ISBE CM2150

The 3978702 bracket is compatible with the ISB/ISD6.7 CM2150 SN and ISBE CM2150 engines. These engines are known for their robust design and are often used in heavy-duty applications. The bracket’s design ensures that the air filter is held firmly in place, preventing any movement that could compromise the engine’s air intake.

QSB4.5 CM850 (CM2850), QSB6.7 CM850 (CM2850)

The 3978702 bracket also fits the QSB4.5 CM850 (CM2850) and QSB6.7 CM850 (CM2850) engines. These engines are part of the QSB series, which is designed for versatility and efficiency. The bracket’s compatibility with these engines ensures that the air filter is securely mounted, contributing to the engine’s overall efficiency and performance.

QSB7 CM2880 B117

Lastly, the 3978702 bracket is suitable for the QSB7 CM2880 B117 engine. This engine is known for its power and reliability, making it a popular choice in various applications. The bracket’s design ensures that the air filter is held securely, which is essential for maintaining the engine’s performance and efficiency.

Role of Part 3978702 Filter Support Bracket in Engine Systems

In the orchestration of engine systems, the 3978702 Filter Support Bracket assumes a significant role by providing structural integrity and precise positioning for the fuel filter. This bracket is engineered to securely hold the fuel filter in its designated location within the fuel system, ensuring that the filter remains stable and correctly aligned during engine operation.

The Filter Support Bracket interfaces directly with the fuel filter, anchoring it firmly in place. This is essential for maintaining the efficiency of the fuel filtration process, as any movement or misalignment could lead to compromised filtration, potentially allowing contaminants to pass through to the engine. The bracket’s design considerations include factors such as vibration dampening and resistance to the harsh conditions within the engine compartment.

Moreover, the 3978702 bracket facilitates the proper routing of fuel lines to and from the fuel filter. This is integral to the overall plumbing of the fuel system, as it ensures that fuel flows smoothly and without restriction from the fuel tank to the engine. The bracket’s placement also aids in the accessibility of the fuel filter for maintenance and replacement, which is a key aspect of fuel system upkeep.

Conclusion

In summary, the 3978702 Filter Support Bracket is a component that, while often overlooked, plays a pivotal role in the reliable operation of the fuel system. Its function extends beyond mere support, contributing to the seamless integration and performance of the fuel filter within the complex network of engine components.


  1. Eret, Angelina. Dynamic and Fatigue Assessment of Heavy-Duty Engine Valves. Springer Nature, 2024.

  2. Sander, Frank. Diesel Mechanics, First Edition. Global Media, 2007.

SPECIFICATIONS

Package Dimensions
8.5 x 1.5 x 1.5 in
Weight
1.38 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.