3067247
Expansion Plug
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$33.95 $40.40

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 3067247 Expansion Plug is a component designed for use in heavy-duty truck applications. Its purpose is to provide a secure seal in various engine and cooling system components, ensuring the integrity and efficiency of the system. The significance of this part lies in its ability to maintain system pressure and prevent leaks, which is vital for the reliable operation of heavy-duty trucks 1.

Basic Concepts of Expansion Plugs

An expansion plug is a type of fastener that expands when inserted into a hole, creating a tight seal. This is achieved through the use of tapered sections or spring-loaded mechanisms that expand upon insertion. In automotive and industrial settings, expansion plugs are used to seal openings in engines, cooling systems, and other components where a secure, leak-proof seal is required 2.

Purpose of the Cummins 3067247 Expansion Plug

The Cummins 3067247 Expansion Plug plays a role in the operation of a truck by providing a reliable seal in the engine or cooling system. This seal helps maintain system pressure and prevents the escape of fluids or gases, which is important for the efficient and safe operation of the truck. By ensuring that the system remains sealed, the expansion plug contributes to the overall performance and longevity of the truck’s engine 3.

Key Features

The Cummins 3067247 Expansion Plug is characterized by several key features that enhance its performance. These include a durable material composition, typically made from high-strength steel or other robust materials, ensuring resistance to corrosion and wear. The design elements of the plug, such as its tapered or spring-loaded mechanism, allow for a secure fit that can withstand high pressures and temperatures. Additionally, the plug may feature unique characteristics such as a self-locking mechanism or anti-rotation features to further ensure a reliable seal.

Benefits

The advantages provided by the Cummins 3067247 Expansion Plug include improved system integrity, enhanced durability, and potential cost savings for fleet operators. By providing a secure seal, the plug helps maintain the integrity of the engine or cooling system, reducing the risk of leaks and system failures. Its durable construction ensures a long service life, minimizing the need for frequent replacements. For fleet operators, this can translate into cost savings through reduced maintenance and repair expenses.

Installation Process

The proper installation of the Cummins 3067247 Expansion Plug involves several steps to ensure a correct fit. First, the hole where the plug will be inserted should be cleaned and inspected for any debris or damage. Using the appropriate tools, the plug is then inserted into the hole. Depending on the design, this may involve tapping the plug in place or using a specialized tool to expand the plug within the hole. It is important to follow the manufacturer’s instructions to ensure the plug is installed correctly and achieves a secure seal.

Troubleshooting Common Issues

Common problems associated with expansion plugs can include leaks, difficulty in removal, or damage to the plug or surrounding components. Potential causes may be improper installation, wear and tear, or exposure to extreme conditions. Recommended solutions or maintenance practices to address these issues include regular inspection of the plug and surrounding areas for signs of wear or damage, ensuring proper installation techniques are used, and replacing the plug if it shows signs of failure or if leaks are detected.

Maintenance Tips

To ensure the longevity and optimal performance of the Cummins 3067247 Expansion Plug, regular maintenance is recommended. This includes periodic inspection of the plug and the areas around it for any signs of wear, corrosion, or leaks. If any issues are detected, they should be addressed promptly to prevent further damage. Additionally, following the manufacturer’s guidelines for installation and use can help ensure the plug remains in good condition and continues to provide a reliable seal.

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 reputation for quality, reliability, and innovation in the automotive and engine manufacturing industry. The company’s product range includes engines for on-highway and off-highway applications, as well as filtration and emission solutions, demonstrating its commitment to providing comprehensive power solutions for a variety of industries.

Cummins Expansion Plug 3067247 Compatibility

The Cummins Expansion Plug part number 3067247 is designed to fit seamlessly within a variety of engine models. This part is essential for maintaining the structural integrity and operational efficiency of the engines it is used in.

K19 Engines

The K19 engines, known for their robust design and reliability, incorporate the 3067247 expansion plug to ensure optimal performance. This plug is engineered to fit precisely within the engine’s specifications, providing a secure seal that prevents leaks and maintains pressure integrity.

QSK19 Engines

In the QSK19 engines, the 3067247 expansion plug plays a vital role in the engine’s cooling and lubrication systems. Its precise fit ensures that the engine operates smoothly and efficiently, contributing to the overall longevity and performance of the QSK19 series.

CM500 Engines

The CM500 engines also benefit from the use of the 3067247 expansion plug. This part is designed to integrate perfectly with the CM500’s architecture, ensuring that the engine can handle the stresses of high-performance operations without compromising on reliability.

Grouped Engines

The K19 and QSK19 engines, both part of Cummins’ lineup, share similar design philosophies and engineering principles. The 3067247 expansion plug is crafted to fit these engines with precision, ensuring that they can operate at peak efficiency. Similarly, the CM500 engine, while distinct in its design, also relies on this plug to maintain its operational standards.

Each of these engines benefits from the 3067247 expansion plug’s ability to provide a tight, reliable seal, which is crucial for maintaining the engine’s performance and longevity.

Role of Part 3067247 Expansion Plug in Engine Systems

The 3067247 Expansion Plug is an essential component in the operation of various engine systems. Its primary function is to seal off unused passages within the engine block, ensuring that fluids and gases remain within their designated pathways. This is particularly important in engines where modifications or updates have been made, and certain passages are no longer in use.

Integration with Base Parts and Engine Block

When installed in the engine block, the 3067247 Expansion Plug effectively seals off coolant or oil passages that are no longer required. This prevents the mixing of fluids, which could lead to contamination and reduced engine efficiency. The plug is designed to fit snugly into the block, providing a secure seal that withstands the pressures and temperatures within the engine.

Interaction with Cylinder and Other Components

The proper sealing of passages by the 3067247 Expansion Plug also plays a role in maintaining the integrity of the cylinder environment. By ensuring that coolant or oil does not enter areas where it is not supposed to be, the plug helps in preserving the optimal conditions for combustion and lubrication. This, in turn, supports the longevity and performance of the cylinder and other moving parts within the engine.

Contribution to Overall Engine Performance

In addition to its sealing function, the 3067247 Expansion Plug contributes to the overall performance and reliability of the engine. By preventing fluid leaks and maintaining proper pressure within the system, it ensures that all components, including the idler pulley and other parts, operate under the correct conditions. This results in smoother engine operation, reduced wear on parts, and enhanced efficiency.

Importance in Maintenance and Upgrades

During engine maintenance or upgrades, the 3067247 Expansion Plug may need to be replaced or repositioned to accommodate new configurations. Its role in sealing off passages makes it a key component in ensuring that the engine continues to function correctly after modifications. Proper installation and maintenance of the expansion plug are therefore vital for the continued performance and reliability of the engine system.

Conclusion

The Cummins 3067247 Expansion Plug is a critical component in the maintenance and operation of heavy-duty truck engines. Its role in providing a secure seal within engine and cooling systems ensures the integrity and efficiency of these systems. The plug’s durable construction, precise fit, and reliable sealing capabilities contribute to the overall performance and longevity of the engine. Regular maintenance and proper installation are essential to maximize the benefits of this part, ensuring the continued reliability and efficiency of the engine system.


  1. Giancarlo Genta and Lorenzo Morello, The Automotive Chassis Volume 1 Components Design Mechanical Engineering Series 2nd Edition, Springer, 2019.

  2. MJ Nunney, Light and Heavy Vehicle Technology, Fourth Edition, Butterworth-Heinemann, 2007.

  3. Michael Hilgers, Fuel Consumption and Consumption Optimization, Second Edition, Springer Nature, 2023.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
2.0 x 2.0 x 0.13 in
Weight
0.08 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.