3336641
Threaded Plug
Cummins®

The 3336641 Threaded Plug, manufactured by Cummins, is a component designed for use in commercial trucks. It serves a specific function within the vehicle’s systems, contributing to the overall efficiency and reliability of the truck. Threaded plugs are significant in the automotive industry as they are used to seal openings in various systems, preventing leaks and ensuring the integrity of the system they are part of.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical components used to seal threaded openings in automotive systems. They function by being screwed into place, creating a tight seal that prevents fluids or gases from escaping. These plugs find applications in a variety of systems, including fuel, oil, and coolant systems. The materials used in manufacturing threaded plugs typically include brass, steel, and aluminum, each offering different properties such as corrosion resistance, strength, and thermal conductivity ¹.

Purpose of the 3336641 Threaded Plug

This Cummins part plays a role in the operation of a truck by sealing specific openings within the vehicle’s systems. It interacts with various components, ensuring that fluids remain contained within their designated pathways. This contributes to the truck’s overall functionality and efficiency by maintaining system pressures and preventing leaks.

Key Features

The 3336641 is characterized by its design and construction materials, which are chosen for their durability and sealing capabilities. It features precise threading specifications to ensure a secure fit within the openings it is designed to seal. Unique attributes of this plug may include enhanced corrosion resistance and ease of installation, which contribute to its performance and longevity.

Benefits

Using this part offers several benefits, including improved sealing capabilities, resistance to corrosion, ease of installation, and long-term reliability. These benefits contribute to the maintenance and operational efficiency of commercial trucks by reducing the likelihood of leaks and the need for frequent replacements.

Installation Process

Proper installation of the 3336641 involves following a step-by-step process to ensure it is securely fitted. This includes using the correct torque specifications and appropriate tools to achieve a tight seal without over-tightening, which could damage the plug or the threads it is sealing.

Troubleshooting and Maintenance

Common issues with threaded plugs include leaks due to improper installation or wear over time. Identifying these issues involves checking for signs of fluid escape around the plug. Maintenance tips for ensuring the longevity of the 3336641 include regular inspections for wear and corrosion, and replacing the plug if it shows signs of damage or if a leak is detected.

Cummins: Manufacturer Overview

Cummins Inc. is a well-established manufacturer in the automotive industry, known for its wide range of products and commitment to quality and innovation. The company has a history of producing reliable and high-performance components, including the 3336641. Cummins’ reputation is built on its dedication to advancing technology and meeting the needs of its customers in the commercial vehicle sector ².

Compatibility with Cummins Engines

This part is designed to fit seamlessly with a variety of Cummins engines. It is essential for sealing and securing various components within the engine, ensuring optimal performance and reliability.

QSV81G and QSV91G Engines

The 3336641 is compatible with the QSV81G and QSV91G engines. These engines are known for their robust design and efficiency, making them suitable for heavy-duty applications. The plug’s precise fit ensures that it can withstand the high pressures and temperatures typical of these engines.

QSW/QSV82 Engines

For the QSW/QSV82 engines, the 3336641 is engineered to provide a secure seal. This engine model is often used in various industrial applications, and the plug’s compatibility ensures that it can handle the demands of these environments.

QSW27, QSW36, and QSW73 Engines

The 3336641 is also suitable for the QSW27, QSW36, and QSW73 engines. These engines are designed for versatility and durability, making them ideal for a range of applications. The plug’s design ensures that it can effectively seal and secure the necessary components, contributing to the engine’s overall performance and longevity.

Each of these engines benefits from the precise engineering of the 3336641, ensuring that it can meet the specific needs of the engine’s design and operational requirements.

Role of the 3336641 in Engine Systems

The 3336641 is integral to several engine systems, ensuring the efficient operation and maintenance of various components. Here’s how it fits within the provided engine systems:

Camshaft and Accessory Drive Systems

In the camshaft and camshaft assy v16 ccw systems, the threaded plug is used to seal openings where lubrication or coolant passages terminate. This ensures that no fluid leaks occur, maintaining the integrity of the lubrication system which is vital for reducing friction and wear on the camshaft and its associated components.

Front Gear Train Accessory Drive

Within the front gear train accessory drive, the threaded plug secures and seals off passages that may not be in use, preventing contaminants from entering the system and ensuring that the gear train operates smoothly without interference from foreign particles.

Engine Enclosure and Side Covers

For the enclosure side a cover and enclosure side b cover, the threaded plug is employed to seal any unused ports or passages. This helps in maintaining the structural integrity of the engine enclosure, protecting internal components from external elements.

Engine Coolant and Plumbing Systems

In the engine coolant assembly plumbing and engine coolant plumbing systems, the threaded plug is essential for sealing off sections of the coolant passages that are not in use. This ensures that the coolant flow is directed correctly, optimizing cooling efficiency and preventing leaks that could lead to engine overheating.

Heat Exchanger and Lubricating Systems

The heat exchanger assembly and lubricating oil pressure assembly benefit from the threaded plug by sealing off any unnecessary openings. This maintains the pressure within the system, ensuring efficient heat exchange and lubrication distribution throughout the engine.

Oil and Fuel Systems

In the oil assembly pan, oil filter housing, and full flow oil filter, the threaded plug is used to seal off ports that are not required for the current configuration. This prevents oil leaks and maintains the cleanliness of the oil, which is crucial for engine longevity.

Similarly, in the fuel assembly plumbing and fuel pump assembly cover, the threaded plug ensures that fuel lines are sealed properly, preventing fuel leaks and maintaining the integrity of the fuel system.

Additional Systems

The threaded plug also plays a role in the plate cooler mounting and pan, oil systems by providing a secure seal for any unused passages, ensuring that these systems operate without leaks or contamination.

Overall, the 3336641 is a versatile component that enhances the reliability and efficiency of various engine systems by providing essential sealing functions.

Conclusion

The 3336641 Threaded Plug is a critical component in the maintenance and operation of commercial trucks, particularly those equipped with Cummins engines. Its role in sealing various systems within the engine ensures the integrity and efficiency of these systems, contributing to the overall performance and reliability of the vehicle. Proper installation, regular maintenance, and understanding its compatibility with specific engine models are key to maximizing the benefits of this part.