3628604
Pipe Plug
Cummins®

The Cummins 3628604 Pipe Plug is a critical component used in commercial trucks. This article provides an overview of its function, key features, benefits, and maintenance suggestions.

Basic Concepts of Pipe Plugs

A pipe plug is a device used to seal the end of a pipe, preventing fluids or gases from escaping and maintaining system integrity. Pipe plugs are commonly used in various industries, including automotive and heavy-duty trucking ¹.

Function of the 3628604 Pipe Plug

The 3628604 Pipe Plug by Cummins is designed to seal openings in fluid systems within commercial trucks. It ensures that fluids remain contained within the system, preventing leaks and maintaining operational efficiency ².

Key Features

• Made from durable materials to withstand high pressure and temperature.
• Designed for easy installation and removal.
• Compatible with specific Cummins engine models.
• Helps in maintaining system integrity and efficiency.

Benefits

• Enhances system reliability by preventing fluid leaks.
• Contributes to the overall efficiency of the truck’s fluid systems.
• Reduces the risk of contamination from external elements entering the system.
• Simplifies maintenance procedures by providing a secure seal.

Troubleshooting and Maintenance

Regular inspection of the pipe plug is recommended to ensure it remains securely in place and shows no signs of wear or damage. If a leak is detected, the pipe plug should be examined for proper seating and integrity. Replacement may be necessary if any damage is found ³.

Compatibility with Cummins Engines

The Cummins Pipe Plug part number 3628604 is designed to fit a variety of Cummins engines, ensuring a secure and leak-proof connection in the exhaust system. Below is a detailed overview of the engines with which this part is compatible:

Cummins ISB Series

• ISB (Chrysler)
• ISB3.9 CM2220 B107
• ISB5.9 CM2880 B127
• ISB5.9 CM2880 B140
• ISB5.9 CM2880 B149

Cummins ISBE and ISC Series

• ISBE4 CM850
• ISC CM850

Cummins ISG Series

• ISG11 CM2880 G108
• ISG12 CM2880 G107
• ISG12 G CMOH6.0 G111

Cummins ISL Series

• ISL9 CM2150 SN

Cummins ISX Series

• ISX12 G CM2180 EJ

Cummins K Series

• K19
• K38
• K50

Cummins QSB and QSC Series

• QSB6.7 CM2250
• QSC8.3 CM850 (CM2850)

Cummins Other Series

• 15N CM2380 M104B
• 4B3.9
• 6B5.9
• 6C8.3
• B5.6 CM2670 B152B
• B6.7 CM2670 B153B
• GTA38 G CMEICS G116C
• KTA38GC CM558

Role of the 3628604 Pipe Plug in Various Engine Systems

The 3628604 Pipe Plug is instrumental in maintaining the integrity and efficiency of several engine systems. Its application spans across a variety of components, ensuring that each system operates within optimal parameters.

Air Compressor and Compressor Air Inlet Arrangement

In the air compressor and compressor air inlet arrangement, the 3628604 Pipe Plug is used to seal off unused ports or passages. This ensures that the compressed air system maintains its pressure and efficiency, preventing any unwanted air leaks that could compromise performance.

Aftercooler Tube and Radiator Assembly

Within the assembly aftercooler tube and assembly radiator, the Pipe Plug plays a role in directing the flow of coolant or air. By sealing specific points, it helps in maintaining the correct flow paths, which is essential for effective cooling and aftercooling processes.

Corrosion Resistor Assembly and Crankcase Breather Arrangement

In the corrosion resistor assembly and crankcase breather arrangement, the Pipe Plug is utilized to prevent the ingress of contaminants. This is particularly important in the crankcase breather arrangement, where it helps maintain the purity of the crankcase ventilation system, thus protecting the engine’s internal components from contamination.

Cylinder Block Kit and Cylinder Short Block

For the cylinder block kit and cylinder short block, the Pipe Plug is often used to seal off coolant or oil passages that are not in use. This ensures that the fluids are directed correctly through the engine, enhancing the engine’s cooling and lubrication efficiency.

Engine Control Module and Lubricating Oil Filter Head

In the engine control module and lube oil filter head, the Pipe Plug is employed to seal off electrical connections or fluid passages that are not required for a specific engine configuration. This helps in customizing the engine setup according to specific requirements, ensuring optimal performance and reliability.

Front Oil Pan Assembly and Oil Pan Cover

The front oil pan assembly and oil pan cover utilize the Pipe Plug to seal off oil passages or vents. This is vital for maintaining the correct oil level and pressure within the engine, which is crucial for the lubrication of moving parts and the overall health of the engine.

Turbocharger Coolant Plumbing and Water Transfer Tubes

In turbocharger coolant plumbing and water transfer tubes, the Pipe Plug is used to manage the flow of coolant. By sealing off certain passages, it ensures that the coolant is directed efficiently through the turbocharger and other engine components, aiding in temperature regulation and performance enhancement.

Water Bypass Tube and Water Outlet Mounting

Finally, in the water bypass tube and water outlet mounting, the Pipe Plug helps in controlling the flow of water within the engine’s cooling system. This is essential for maintaining the engine’s operating temperature within safe limits, preventing overheating and ensuring consistent performance.

Conclusion

The Cummins 3628604 Pipe Plug is a vital component in maintaining the integrity and efficiency of various engine systems in commercial trucks. Its durable construction, ease of installation, and compatibility with a wide range of Cummins engines make it an essential part for ensuring optimal performance and reliability. Regular maintenance and inspection of this part are crucial to prevent leaks and ensure the continued efficiency of the truck’s fluid systems.