3630034
Threaded Plug
Cummins®

The Cummins 3630034 Threaded Plug is a component designed for use in commercial trucks. Its primary role is to seal openings in various truck components, ensuring that fluids and gases remain contained within their designated systems. This part is integral to maintaining the integrity and efficiency of truck operations by preventing leaks and contamination.

Purpose and Function

The Cummins 3630034 Threaded Plug serves to seal openings in different truck components, such as engine blocks, transmission housings, and hydraulic systems. By providing a secure seal, it helps maintain system pressure and prevent the escape of fluids or gases, which is vital for the proper functioning of these systems. The plug’s threaded design allows for easy installation and removal, facilitating maintenance and repair processes.

Key Features

The Cummins 3630034 Threaded Plug is constructed from durable materials, typically metal, which ensures it can withstand high pressures and temperatures commonly encountered in truck systems. Its thread type is designed to create a tight seal, reducing the risk of leaks. The plug’s design specifications, including its size and shape, are tailored to fit specific openings, enhancing its performance and longevity.

Benefits

Using the Cummins 3630034 Threaded Plug offers several advantages. It provides improved sealing efficiency, which is crucial for maintaining system integrity. The plug’s resistance to corrosion ensures it can endure harsh operating conditions without degradation. Additionally, its design allows for ease of installation, minimizing downtime during maintenance procedures.

Installation Process

To install the Cummins 3630034 Threaded Plug, begin by ensuring the opening is clean and free of debris. Use a compatible thread lubricant to facilitate threading. Carefully screw the plug into the opening until it is snug, taking care not to overtighten, which could damage the threads. Verify the seal by checking for any signs of leakage after installation.

Common Applications

The Cummins 3630034 Threaded Plug is commonly used in various commercial truck systems. It is often found in engine blocks to seal oil passages, in transmission housings to prevent fluid leaks, and in hydraulic systems to maintain pressure. Its versatility makes it a valuable component across different truck models and applications.

Maintenance and Inspection

Regular maintenance and inspection of the Cummins 3630034 Threaded Plug are recommended to ensure it remains in optimal condition. Inspect the plug for signs of wear, corrosion, or damage during routine maintenance checks. If any issues are detected, the plug should be replaced to prevent potential system failures.

Troubleshooting

Common problems associated with the Cummins 3630034 Threaded Plug include leaks and difficulty in removal. If a leak is detected, inspect the plug and the surrounding area for damage or misalignment. If the plug is difficult to remove, apply a penetrating oil and allow it to sit for a period before attempting removal again. In some cases, replacing the plug may be necessary to resolve these issues.

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 strong reputation in the commercial truck industry for producing reliable and high-performance components. The company’s extensive product range includes engines, powertrain components, and aftermarket parts, all designed to meet the demanding requirements of commercial trucking applications.

Threaded Plug 3630034 Compatibility with Cummins Engines

The Cummins Threaded Plug part number 3630034 is designed to fit a variety of Cummins engines, providing a secure and reliable sealing solution. This part is integral to maintaining the integrity of the engine’s fuel and oil systems. Here is a detailed overview of its compatibility across different engine models:

6B5.9

The 6B5.9 engine benefits from the 3630034 threaded plug in its fuel and oil systems, ensuring that all connections are sealed properly to prevent leaks.

ISM CM876

In the ISM CM876, the threaded plug is used in various applications, including fuel lines and oil passages, contributing to the engine’s overall efficiency and longevity.

K19, K38, K50

These engines, part of the K-series, utilize the 3630034 threaded plug in their fuel and oil systems. The plug’s design ensures a tight seal, which is crucial for maintaining the engine’s performance.

N14 MECHANICAL

The N14 MECHANICAL engine incorporates the 3630034 threaded plug in several critical areas, including fuel and oil lines, to ensure that the engine operates smoothly and efficiently.

NH/NT 855

For the NH/NT 855 engines, the 3630034 threaded plug is used in both fuel and oil systems, providing a reliable seal that helps prevent leaks and maintain system integrity.

QSC8.3 CM850 (CM2850)

The QSC8.3 CM850 (CM2850) engine uses the 3630034 threaded plug in its fuel and oil systems, ensuring that all connections are secure and leak-free.

QSK19 CM2350 K105, QSK19 CM850 MCRS, QSK50 CM2150 MCRS, QSK50 CM2350 K108, QST30 CM2350 T101

These engines, part of the QSK series, also rely on the 3630034 threaded plug for their fuel and oil systems. The plug’s design ensures that all connections are sealed properly, which is essential for the engine’s performance and longevity.

Role of Part 3630034 Threaded Plug in Engine Systems

The threaded plug, identified as part 3630034, serves a significant function in various engine systems by ensuring the integrity and efficiency of these components.

In the aftercooler core, the threaded plug is used to seal passages and prevent coolant or air leaks, maintaining the efficiency of the cooling process.

Within the block and cylinder, threaded plugs are essential for sealing off unused passages or holes, ensuring that the internal pressures are maintained and preventing any fluid or gas leaks that could compromise engine performance.

The breather system utilizes threaded plugs to regulate the flow of air in and out of the crankcase, which is vital for maintaining proper pressure and preventing the buildup of contaminants.

In the crankcase, threaded plugs are employed to seal off areas where maintenance or inspection ports were previously located, ensuring that the crankcase remains sealed and pressurized correctly.

The camshaft housing may also incorporate threaded plugs to seal off oil passages or mounting points that are not in use, preserving the lubrication system’s integrity.

For the connecting rod and piston assembly, threaded plugs can be used to seal off oil galleries or passages, ensuring that oil is directed precisely where needed for lubrication without leakage.

In a cylinder block kit, threaded plugs are often included to seal off any unnecessary holes or passages, ensuring that the block is prepared for a specific engine configuration.

The cylinder head may use threaded plugs to seal off coolant or oil passages that are not required for a particular engine setup, maintaining the head’s structural integrity and sealing properties.

In ebm-injector systems, threaded plugs can be used to seal off fuel lines or passages that are not in use, ensuring that the fuel system remains clean and free from contaminants.

The exchanger and heat systems might incorporate threaded plugs to seal off sections of the heat exchanger that are not active, ensuring efficient heat transfer and system performance.

The fuel control module may use threaded plugs to seal off fuel lines or ports that are not utilized, maintaining the module’s integrity and preventing fuel leaks.

In injector systems, threaded plugs are used to seal off fuel passages or mounting points that are not in use, ensuring that the injector system operates efficiently and without leaks.

For diagnostic retrofit kits, threaded plugs can be used to seal off old sensor ports or passages, ensuring that the new diagnostic system functions correctly without interference from old components.

In the oil connection and oil filler connection systems, threaded plugs are used to seal off areas where oil lines or fillers are not required, maintaining the oil system’s integrity.

The oil l b manifold and oil manifold connection plumb systems use threaded plugs to seal off passages or connections that are not in use, ensuring that oil flow is directed correctly throughout the engine.

In oil manifold connector systems, threaded plugs are used to seal off unused ports or passages, ensuring that the manifold operates efficiently and without leaks.

Throughout various parts and performance enhancement kits, threaded plugs are utilized to seal off unnecessary passages or mounting points, ensuring that the modifications do not compromise the engine’s integrity.

In plumbing systems associated with injectors and turbochargers, threaded plugs are used to seal off lines or passages that are not in use, ensuring that the plumbing system remains clean and efficient.

The protective cover systems may incorporate threaded plugs to seal off areas where covers or panels were previously located, ensuring that the engine remains protected from contaminants.

In pump systems, particularly those involving lubricating oil, threaded plugs are used to seal off passages or ports that are not required, maintaining the pump’s efficiency and preventing oil leaks.

The system for engine cooling may use threaded plugs to seal off coolant passages that are not in use, ensuring that the cooling system operates efficiently and without leaks.

Lastly, in the context of viscosity sensors, threaded plugs can be used to seal off sensor ports or passages that are not active, ensuring that the sensor system functions correctly and without interference.

Conclusion

The Cummins 3630034 Threaded Plug is a critical component in maintaining the integrity and efficiency of commercial truck systems. Its durable construction, ease of installation, and compatibility with various Cummins engines make it a valuable asset in the commercial trucking industry. Regular maintenance and inspection of this part are essential to ensure optimal performance and prevent potential system failures.