3657034
Cavity Plug
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$11.95 $14.22

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 3657034 Cavity Plug is a component designed for use in heavy-duty trucks. Its purpose is to seal and protect internal engine components from contaminants, thereby contributing to the overall efficiency and longevity of the vehicle. Understanding the role and significance of this Cummins part is important for maintaining the performance and reliability of heavy-duty trucks.

Basic Concepts of Cavity Plugs

Cavity plugs are small yet vital components used in various machinery to seal openings and prevent the ingress of dirt, moisture, and other contaminants. In the context of a truck’s engine or component system, these plugs help maintain the integrity of the internal environment by blocking access points that could otherwise allow harmful substances to enter. This function is crucial for preserving the performance and lifespan of sensitive engine parts 1.

Purpose of the Cummins 3657034 Cavity Plug

The Cummins 3657034 Cavity Plug serves a specific role in the operation of a truck by sealing openings within the engine or component system. This plug helps protect internal components from contaminants that could cause damage or reduce efficiency. By ensuring a tight seal, it contributes to the overall performance and reliability of the truck’s engine 2.

Key Features

The Cummins 3657034 Cavity Plug is characterized by several key features that enhance its performance and durability. It is made from high-quality materials that resist corrosion and wear, ensuring long-lasting protection. The design specifications of this plug include precise dimensions and a secure fitting mechanism that provides a reliable seal. Additionally, any unique attributes, such as special coatings or enhanced sealing properties, further contribute to its effectiveness in harsh operating conditions 3.

Benefits of Using the Cummins 3657034 Cavity Plug

Using the Cummins 3657034 Cavity Plug offers several advantages. It contributes to improved engine performance by maintaining a clean internal environment, which can lead to more efficient operation. Additionally, by preventing contaminants from entering the engine, this plug can reduce the frequency of maintenance interventions, thereby lowering overall maintenance costs. Furthermore, the protection it provides helps enhance the longevity of internal components, ensuring that the truck operates reliably over an extended period.

Installation Process

Proper installation of the Cummins 3657034 Cavity Plug is important for ensuring its effectiveness. The process involves several steps: first, identifying the correct location for the plug within the engine or component system; second, cleaning the area around the opening to remove any debris; third, inserting the plug into the opening and ensuring it fits securely; and finally, verifying the seal to confirm that no contaminants can enter. Tools such as wrenches or specialized installation equipment may be required, and following best practices, such as torque specifications, is recommended to achieve a proper fit.

Troubleshooting Common Issues

Common problems with cavity plugs, such as leaks or improper sealing, can arise due to various factors, including incorrect installation, wear and tear, or damage to the plug. Troubleshooting these issues involves inspecting the plug for signs of damage or wear, ensuring it is properly seated, and checking for any gaps that may allow contaminants to enter. Solutions may include replacing the plug, re-sealing the area, or addressing any underlying issues that contribute to the problem.

Maintenance Tips

To ensure the optimal performance and longevity of the Cummins 3657034 Cavity Plug, regular maintenance is important. This includes periodic inspection of the plug to check for signs of wear, damage, or improper sealing. Cleaning the area around the plug and ensuring it remains free of debris can also help maintain its effectiveness. Additionally, following manufacturer recommendations for inspection intervals and maintenance procedures can contribute to the continued reliability of the plug and the overall performance of the truck’s engine.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration systems, and related components. With a history of innovation and a strong reputation within the automotive and heavy-duty truck industry, Cummins is known for producing high-quality, reliable products that meet the demanding needs of its customers. The company’s extensive product offerings and commitment to excellence have established it as a trusted name in the industry.

Cavity Plug Fitment for Cummins Engines

The Cavity Plug part number 3657034, manufactured by Cummins, is designed to fit a variety of Cummins engine models. This part is crucial for maintaining the integrity and performance of the engine’s cooling system. Here is a detailed look at the compatibility of this part with various Cummins engines:

ISM CM570 and ISX CM570

The Cavity Plug 3657034 is compatible with both the ISM CM570 and ISX CM570 engines. These engines are known for their robust performance and reliability, often used in heavy-duty applications. The plug ensures that the cooling system remains sealed and efficient, preventing any leaks that could compromise engine performance.

ISX CM870

Similar to the ISM CM570 and ISX CM570, the ISX CM870 engine also benefits from the Cavity Plug 3657034. This engine is designed for high-performance applications, and the plug plays a vital role in maintaining the cooling system’s integrity.

K50

The K50 engine is another model that can utilize the Cavity Plug 3657034. This engine is known for its versatility and is often used in a variety of applications, from construction to agricultural machinery. The plug ensures that the cooling system operates efficiently, contributing to the engine’s overall reliability.

QSK19 CM500, QSK45 CM500, and QSK60 CM500

The Cavity Plug 3657034 is also compatible with the QSK19 CM500, QSK45 CM500, and QSK60 CM500 engines. These engines are part of Cummins’ QSK series, which is designed for high-performance and durability. The plug is essential for maintaining the cooling system’s efficiency and preventing leaks.

QSM11 CM570

The QSM11 CM570 engine is another model that can use the Cavity Plug 3657034. This engine is known for its reliability and is often used in demanding applications. The plug ensures that the cooling system remains sealed and efficient, contributing to the engine’s longevity.

QST30 CM552

Lastly, the QST30 CM552 engine is also compatible with the Cavity Plug 3657034. This engine is designed for high-performance applications and requires a reliable cooling system to maintain its efficiency. The plug plays a crucial role in ensuring that the cooling system operates without leaks.

By ensuring that the Cavity Plug 3657034 is properly fitted, engine owners can maintain the efficiency and reliability of their Cummins engines, preventing potential issues that could arise from a compromised cooling system.

Understanding the Role of Part 3657034 Cavity Plug in Engine Systems

The part 3657034 Cavity Plug is an essential component in various engine systems, ensuring the integrity and efficiency of several interconnected parts. Here’s how it integrates with the provided components:

Electrical Accessories and Wiring

In systems involving electrical accessories and wiring, the 3657034 Cavity Plug helps maintain the structural integrity of wiring harnesses and electrical connections. It prevents moisture and debris from entering the cavity, which could otherwise cause short circuits or corrosion.

12V Engine-Only Systems

For engines operating solely on 12V systems, the cavity plug is vital in protecting sensitive electronic components from environmental factors. This ensures consistent performance and longevity of the electrical system.

Brace and Harnesses

When dealing with brace and harnesses, the 3657034 Cavity Plug plays a role in securing these components in place. It helps in maintaining the alignment and protection of harnesses, reducing the risk of wear and tear.

Brake and Engine Systems

In brake and engine systems, the cavity plug contributes to the overall safety and reliability. By sealing off unused cavities, it prevents contaminants from interfering with brake fluid lines or engine control modules.

Electronic Control Module Wiring Harness

For the electronic control module wiring harness, the 3657034 Cavity Plug ensures that the connections remain secure and free from external elements. This is particularly important in maintaining the precision required for engine control functions.

Engine Control Wiring and Harness

In engine control wiring and harness setups, the cavity plug aids in the organization and protection of wires. This is essential for the efficient transmission of signals between the engine control module and various sensors.

Sense Upfit and Plumbing

In sense upfit and plumbing applications, the 3657034 Cavity Plug helps in sealing off areas that are not in use, thereby preventing leaks and ensuring that the system operates under optimal conditions.

Electronic Engine Monitor and System

For electronic engine monitors and systems, the cavity plug ensures that the monitoring equipment remains unaffected by environmental conditions. This is key to accurate data collection and system diagnostics.

Wiring Accessories and Top-Level Assembly Harness

In the context of wiring accessories and top-level assembly harnesses, the 3657034 Cavity Plug provides an additional layer of protection. It ensures that the complex wiring setups are shielded from potential damage, contributing to the overall reliability of the engine system.

Conclusion

The Cummins 3657034 Cavity Plug is a vital component in maintaining the efficiency and reliability of heavy-duty truck engines. By sealing openings and protecting internal components from contaminants, this part contributes to the overall performance and longevity of the vehicle. Proper installation, regular maintenance, and understanding its role within various engine systems are key to maximizing the benefits of this Cummins part.


  1. Halderman, James D. Automotive Principles: Diagnosis and Service. Prentice Hall, 2012.

  2. Norman, Andrew. Diesel Technology Fundamentals Service Repair Eighth Edition. The Goodheart-Willcox Company Inc, 2016.

  3. Miedema, S. A., and Z. Lu. The Dynamic Behavior of a Diesel Engine. Published by Drir S. A. Miedema, 2010.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
0.375 x 0.125 x 0.125 in
Weight
0.01 lb
* 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.