3336634
Threaded Plug
Cummins®

Introduction

The Cummins 3336634 Threaded Plug is a component designed for use in commercial trucks. It serves a specific function within the truck’s systems, contributing to the overall maintenance and operational efficiency of the vehicle. Understanding its purpose and significance is key to ensuring the truck operates smoothly and reliably.

Basic Concepts of Threaded Plugs

Threaded plugs are mechanical components used to seal openings in various systems. They are screwed into place to prevent fluid or gas leakage and to maintain system integrity ¹. In automotive and industrial applications, threaded plugs are vital for ensuring that systems remain closed and pressurized as needed, which is essential for the efficient operation of engines and other machinery.

Purpose of the 3336634 Threaded Plug

The 3336634 Threaded Plug plays a role in sealing specific points within a truck’s engine or other systems. Its function is to provide a secure closure for openings where fluids or gases need to be contained. This helps in maintaining the pressure and integrity of the system it is a part of, ensuring that the truck operates efficiently.

Key Features

The 3336634 Threaded Plug is characterized by several features that enhance its performance and durability. It is made from materials that resist corrosion and wear, ensuring longevity ². The plug features a specific thread type that allows for a secure fit, preventing leaks. Its design is tailored to withstand the pressures and temperatures typical in truck engine environments.

Benefits

Using the 3336634 Threaded Plug offers several advantages. It contributes to improved system integrity by providing a reliable seal. This can lead to enhanced performance of the truck’s components, as systems operate more efficiently when sealed properly ³. Additionally, the durability of the plug means it can withstand the rigors of commercial truck use, leading to longer-lasting components.

Installation Process

Installing the 3336634 Threaded Plug requires careful attention to ensure a secure fit. The process involves cleaning the area where the plug will be installed, threading the plug into place, and tightening it to the manufacturer’s specifications. Using the appropriate tools and following best practices ensures that the plug is installed correctly, providing the intended seal and protection.

Common Issues and Troubleshooting

Threaded plugs, including the 3336634, may encounter issues such as leaks or corrosion over time. Regular inspections can help identify these problems early. Troubleshooting may involve cleaning the plug and its seating area, checking for proper torque, or replacing the plug if it is damaged or worn.

Maintenance Tips

To ensure the ongoing performance of the 3336634 Threaded Plug, regular maintenance is recommended. This includes periodic inspections for signs of wear or damage, cleaning the plug and its seating area to prevent corrosion, and ensuring that it is properly torqued during installations or checks. Adhering to these practices helps maintain the integrity of the system the plug is part of.

About Cummins

Cummins Inc. is a leader in the design, manufacture, and distribution of diesel and natural gas engines, as well as related technologies. With a history of innovation and quality, Cummins products are known for their reliability and performance in the commercial truck industry. The 3336634 Threaded Plug, as a Cummins product, benefits from the company’s commitment to quality and excellence in automotive components.

Compatibility with Cummins Engines

The Cummins Threaded Plug part number 3336634 is designed to fit seamlessly into a variety of Cummins engines. This plug is essential for sealing and securing various components within the engine, ensuring optimal performance and reliability.

QST30 CM2350 T101 Engines

The Threaded Plug 3336634 is compatible with the QST30 CM2350 T101 engines. These engines are known for their robust design and efficiency, making them suitable for a range of applications. The plug’s precise fit ensures that it can effectively seal and secure the necessary components, contributing to the overall performance of the engine.

QSV81G and QSV91G Engines

The Threaded Plug 3336634 is also suitable for the QSV81G and QSV91G engines. These engines are part of the Cummins QSV series, which is renowned for its durability and power. The plug’s design allows it to fit snugly into the designated areas of these engines, ensuring that there are no leaks and that the engine operates at peak efficiency.

QSW/QSV82, QSW27, QSW36, and QSW73 Engines

The Threaded Plug 3336634 is compatible with the QSW/QSV82, QSW27, QSW36, and QSW73 engines. These engines are part of the Cummins QSW series, which is designed for heavy-duty applications. The plug’s compatibility with these engines ensures that it can handle the demanding conditions these engines often face, providing a reliable seal and contributing to the engine’s longevity.

QSZ90 Engine

Lastly, the Threaded Plug 3336634 is also suitable for the QSZ90 engine. This engine is part of the Cummins QSZ series, which is known for its versatility and performance. The plug’s design ensures that it can fit perfectly into the QSZ90 engine, providing a secure seal and enhancing the engine’s overall performance.

Role of Part 3336634 Threaded Plug in Engine Systems

The threaded plug, identified as part 3336634, serves a variety of functions across different engine systems, ensuring the integrity and efficiency of these components.

• Arrangement of Engine Components: The threaded plug is often used to seal off unused ports or passages, preventing fluid or gas leakage that could compromise system performance.
• Oil Fill Assembly: It ensures that the oil reservoir remains sealed, maintaining the correct oil level and pressure necessary for engine lubrication.
• Charge Air Cooler Assembly: The threaded plug helps in sealing passages that are not in use, ensuring that the cooling process is efficient and that there are no leaks in the system.
• Circuit Assembly Gas and Connection Components: The plug is utilized to seal off areas where gas flow is not required, maintaining the integrity of the gas pathways.
• Exhaust Outlet and Exhaust Assembly: It prevents unwanted gases from escaping, ensuring that the exhaust system operates efficiently and meets emission standards.
• Coolant Heater Start Assembly Aid and Engine Coolant Assembly Plumbing: The threaded plug is essential for sealing coolant passages, preventing leaks that could lead to engine overheating.
• Exhaust Manifold and Filter Components: It ensures that exhaust gases are directed properly and that filtration processes are not compromised.
• Full Flow Oil and Lubricating Oil Assembly Filter: It ensures that oil pathways remain sealed, maintaining the correct flow and pressure for optimal lubrication.
• Flywheel Housing Assembly and Fuel Assembly Filter: The plug is used to seal off areas not in use, ensuring that these components function correctly without interference from external elements.
• Fuel Sub-Assembly Plumbing and Housing Components: It maintains the integrity of fuel lines, preventing leaks that could affect engine performance.
• Oil Cooler Subassembly: It ensures that the cooling process is efficient by sealing off any unnecessary passages.
• Injector Pump Side a v16 Cover and Lubricating Oil Module Assembly: The plug is used to seal components, ensuring that lubrication systems operate correctly.
• Pump and Fuel Transfer Systems: It ensures that fuel pathways remain sealed, maintaining the correct flow and pressure for engine operation.
• Pump Drive Assembly Housing and Thermostat Equipped Housing Components: The threaded plug is utilized to seal off areas, ensuring that these systems function efficiently.
• Turbocharger Assembly Arrangement: It helps in sealing passages that are not in use, ensuring that the turbocharger operates efficiently.
• Vent and Engine Coolant Systems: The threaded plug is used to seal off areas, ensuring that these systems maintain their intended function without leaks or inefficiencies.

Conclusion

The Cummins 3336634 Threaded Plug is a critical component in maintaining the efficiency and reliability of commercial truck engines. Its role in sealing various engine systems ensures that these systems operate under optimal conditions, contributing to the overall performance and longevity of the vehicle. Regular maintenance and proper installation are essential to maximize the benefits of this Cummins part.