3026195
Threaded Plug
Cummins®

Introduction

The Cummins Threaded Plug 3026195 is a specialized component designed for use in heavy-duty truck systems. Its primary function is to seal and protect various components within the truck’s engine and transmission systems. By ensuring a secure fit and reliable seal, this Cummins part helps maintain the integrity of the system, preventing leaks and contamination that could lead to performance issues or damage ¹.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical components used to seal openings in various systems. They consist of a cylindrical body with external threads that screw into a corresponding threaded hole. The primary function of a threaded plug is to provide a secure, leak-proof seal. In automotive and heavy-duty truck applications, threaded plugs are commonly used to seal openings in engine blocks, transmission cases, and fluid reservoirs. They play a role in maintaining system pressure, preventing fluid leaks, and protecting internal components from contaminants ².

Purpose of Cummins Threaded Plug 3026195

The Cummins Threaded Plug 3026195 is specifically designed to seal and protect components within a truck’s engine and transmission systems. It is used to close off ports and passages that are not in use, ensuring that fluids and gases remain contained within the system. This plug helps maintain the efficiency and reliability of the truck by preventing leaks and contamination, which can lead to decreased performance and potential damage to critical components.

Key Features

The Cummins Threaded Plug 3026195 boasts several key features that enhance its functionality. It is constructed from high-quality materials, ensuring durability and resistance to corrosion. The plug features a precise thread type that provides a secure fit, minimizing the risk of leaks. Its design specifications are tailored to meet the demanding requirements of heavy-duty truck applications, ensuring reliable performance under various operating conditions.

Benefits

Using the Cummins Threaded Plug 3026195 offers several advantages. Its durable construction ensures long-lasting performance, reducing the need for frequent replacements. The reliable seal it provides helps maintain system integrity, preventing leaks and contamination. Additionally, the plug is designed for ease of installation, allowing for quick and efficient replacement when needed.

Common Applications

The Cummins Threaded Plug 3026195 is commonly used in various areas within a truck, including engine blocks, transmission systems, and fluid reservoirs. It is a component for sealing openings that are not in use, ensuring that the system remains pressurized and free from contaminants. Its versatility makes it suitable for a wide range of applications within heavy-duty truck systems.

Installation Process

Proper installation of the Cummins Threaded Plug 3026195 is crucial for ensuring a secure seal and reliable performance. The installation process involves the following steps:

1. Ensure the threaded hole is clean and free from debris.
2. Apply a suitable thread sealant to the threads of the plug.
3. Carefully screw the plug into the threaded hole, using a wrench to tighten it to the manufacturer’s specified torque.
4. Verify that the plug is securely installed and that there are no leaks.

Troubleshooting and Maintenance

To ensure the longevity and performance of the Cummins Threaded Plug 3026195, regular maintenance and troubleshooting are necessary. Common issues may include leaks or difficulty in installation. To address these issues:

• Inspect the plug and surrounding area for signs of wear or damage.
• Ensure the threads are clean and free from corrosion.
• Replace the plug if it shows signs of damage or if leaks persist. Regular maintenance helps prevent issues and ensures the plug 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 producing high-quality components for heavy-duty trucks and other applications. The company’s commitment to innovation and excellence has made it a trusted name in the automotive industry ³.

Compatibility with Cummins Engines

The Threaded Plug part number 3026195, manufactured by Cummins, is designed to fit a variety of Cummins engines. This plug is integral for sealing and securing various components within the engine system. Below is a detailed breakdown of its compatibility across different engine models:

ISM Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN

The ISM series engines, including the ISM CM570, ISM CM570/870, ISM CM876, and ISM11 CM876 SN, utilize the Threaded Plug 3026195 for various sealing and securing applications. This plug is essential in maintaining the integrity of the engine’s internal systems, ensuring that no leaks occur and that components remain firmly in place.

L10 Series Engines

• L10 CELECT
• L10 GAS
• L10 MECHANICAL

The L10 series engines, such as the L10 CELECT, L10 GAS, and L10 MECHANICAL, also incorporate the Threaded Plug 3026195. This plug is critical in these engines for sealing purposes, ensuring that the engine operates efficiently and reliably by preventing any unwanted fluid or air leaks.

M11 Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

The M11 series engines, including the M11 CELECT, M11 CELECT PLUS, and M11 MECHANICAL, are designed to use the Threaded Plug 3026195. This plug plays a role in maintaining the engine’s performance by ensuring that all sealed components are properly secured and that there are no leaks.

QSM11 Series Engines

• QSM11 CM570
• QSM11 CM876

The QSM11 series engines, such as the QSM11 CM570 and QSM11 CM876, also require the Threaded Plug 3026195. This plug is essential for the proper sealing and securing of various engine components, ensuring that the engine operates smoothly and efficiently.

By understanding the compatibility of the Threaded Plug 3026195 across these various Cummins engine models, technicians and engineers can ensure that the correct parts are used for maintenance and repairs, thereby maintaining the engine’s performance and longevity.

Role of Part 3026195 Threaded Plug in Engine Systems

The Part 3026195 Threaded Plug is an integral component in various engine systems, ensuring the efficient operation and longevity of the engine. Its applications span across multiple subsystems, each playing a distinct role in the overall functionality of the engine.

Coolant Heater Starting Aid

In the coolant heater starting aid system, the Part 3026195 Threaded Plug is utilized to seal and secure connections within the plumbing. This ensures that the coolant is effectively heated to facilitate easier engine starts in cold conditions. The plug’s precise fit and sealing properties prevent coolant leaks, maintaining system integrity and efficiency.

Corrosion Resistor Top Level Assembly Head

Within the corrosion resistor top level assembly head, the Threaded Plug serves to protect sensitive components from environmental factors. By sealing off areas prone to moisture ingress, it helps in preventing corrosion, thereby extending the lifespan of the assembly and ensuring consistent performance.

Engine Heater Housing and Top Level Assembly Housing

In both the engine heater housing and the top level assembly housing, the Part 3026195 is employed to create a secure seal around the thermostat and other critical components. This sealing is essential for maintaining the correct temperature within the engine heater system, ensuring optimal operation and preventing thermal inefficiencies.

Oil Cooler Plumbing

Across various oil cooler plumbing applications, including oil cooler water and oil cooler wtr systems, the Threaded Plug is used to seal connections and prevent oil leaks. This is vital for maintaining the correct oil pressure and temperature, which are critical for the lubrication and cooling of engine components.

General Plumbing Applications

In general plumbing applications throughout the engine system, the Part 3026195 Threaded Plug is a reliable solution for sealing connections. Whether it’s in the coolant system, oil system, or other fluid pathways, its role in preventing leaks and ensuring system integrity cannot be overstated.

Resistor and Corrosion Protection

The plug also plays a part in protecting resistors and other components from corrosion. By sealing off areas where moisture could accumulate, it helps in maintaining the electrical and mechanical integrity of these components, ensuring they function correctly over time.

Conclusion

In summary, the Part 3026195 Threaded Plug is a versatile and essential component in various engine systems, contributing to the efficiency, reliability, and longevity of the engine. Its role in sealing and protecting critical components ensures that the engine operates smoothly and efficiently, even under demanding conditions.