103308
Pipe Plug
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$44.95 $53.49

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 103308 Pipe Plug is a component designed for use in commercial truck systems. Its primary role is to seal openings in fluid systems, ensuring the integrity and efficiency of the system. This part is integral to maintaining the operational standards of heavy-duty trucks by preventing fluid leaks and contamination 1.

Basic Concepts of Pipe Plugs

A pipe plug is a device used to seal the end of a pipe or a fitting in a fluid system. It operates by blocking the passage to prevent the escape of fluids or the ingress of contaminants. In the context of heavy-duty trucks, pipe plugs are vital for maintaining the pressure and purity of fluids within the system, which is essential for the truck’s performance and longevity 2.

Purpose of the Cummins 103308 Pipe Plug

The Cummins 103308 Pipe Plug serves a specific function in truck systems by sealing openings where fluid lines terminate. This part ensures that fluids remain contained within the system, preventing leaks that could lead to system failure or contamination. It plays a role in maintaining the fluid integrity and pressure necessary for the efficient operation of the truck 3.

Key Features

The Cummins 103308 Pipe Plug is constructed from durable materials that can withstand the harsh conditions present in commercial truck environments. Its design includes a threaded end that allows for secure installation into corresponding fittings. Additionally, the plug may feature a gasket or O-ring to enhance the seal, ensuring that fluids do not escape even under high pressure or temperature variations.

Benefits of Using the Cummins 103308 Pipe Plug

Utilizing the Cummins 103308 Pipe Plug offers several advantages. It contributes to improved system reliability by ensuring that fluids are contained within the system. The plug’s durable construction and secure fit help extend the longevity of the fluid system. Moreover, it enhances efficiency in fluid management by preventing leaks and maintaining system pressure.

Installation Process

To install the Cummins 103308 Pipe Plug, first, ensure that the fitting is clean and free of debris. Apply a thread sealant if necessary, then screw the plug into the fitting by hand until snug. Use a wrench to tighten further, being careful not to over-tighten, which could damage the threads or the plug itself. Verify the seal by checking for any signs of leakage after the system has been pressurized.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 103308 Pipe Plug involves inspecting it for signs of wear or damage during routine system checks. If a leak is detected, the plug should be removed and examined for any issues with the seal or threads. Troubleshooting may involve replacing the gasket or O-ring, or in some cases, the plug itself, to restore the seal and prevent further fluid loss.

Common Applications

The Cummins 103308 Pipe Plug is commonly used in various truck systems where fluid containment is necessary. It is versatile and can be found in applications such as fuel systems, hydraulic systems, and coolant systems. Its role in these applications underscores its importance in maintaining the operational efficiency of commercial trucks.

Safety Considerations

When handling and installing the Cummins 103308 Pipe Plug, it is important to observe safety practices to prevent accidents. This includes wearing appropriate personal protective equipment, ensuring that the system is depressurized before installation, and following all manufacturer guidelines for torque specifications to avoid over-tightening, which could lead to damage or failure of the plug.

Compatibility with Cummins Engines

The Cummins part number 103308, a Pipe Plug, is designed to fit seamlessly with a variety of Cummins engines. This part is integral to maintaining the integrity and functionality of the engine’s system. Here are the engines it is compatible with:

  • B6.7 CM2350 B135B: This engine benefits from the Pipe Plug to ensure that the system remains sealed and operational.
  • K19, K38, K50, QSK50 CM2150 K107, QSK50 CM2150 MCRS, QST30 CM552, V28: These engines also utilize the Pipe Plug to maintain system efficiency and prevent leaks.

The Pipe Plug is engineered to fit precisely with these engines, ensuring a secure and reliable connection. Its design allows for easy installation and removal, making it a practical choice for maintenance and repair tasks.

Role of Part 103308 Pipe Plug in Engine Systems

The part 103308 Pipe Plug is integral to the efficient operation of various engine systems, ensuring the integrity and functionality of several key components.

In the air cleaner system, the Pipe Plug secures connections, preventing air leaks that could compromise the cleaner’s efficiency. This ensures that the air entering the engine is properly filtered, contributing to optimal engine performance.

Within the raw water inlet and outlet connections, the Pipe Plug plays a significant role. It seals these connections in the raw water pump and heat exchanger, maintaining the flow of coolant without leaks. This is essential for the effective transfer of heat away from the engine, preventing overheating.

In the heat exchanger and oil cooler water systems, the Pipe Plug ensures that the plumbing connections remain sealed. This is vital for the exchanger’s ability to regulate the temperature of the engine oil, enhancing the overall cooling efficiency of the system.

Additionally, the Pipe Plug is used in the flywheel housing to seal any potential leak points. This ensures that the housing maintains its structural integrity and functions correctly within the engine assembly.

Overall, the part 103308 Pipe Plug is a fundamental component in maintaining the seals and connections across various engine systems, contributing to their reliable and efficient operation.

Conclusion

The Cummins 103308 Pipe Plug is a critical component in the maintenance and operation of commercial truck systems. Its role in sealing fluid systems ensures the integrity and efficiency of the truck’s performance. By understanding its purpose, features, and applications, technicians and operators can better maintain and troubleshoot systems, ensuring longevity and reliability in heavy-duty truck operations.


  1. Watson, B. (2011). Mobile Equipment Hydraulics A Systems and Troubleshooting Approach. Cengage Learning.

  2. Fehan, D. R. (2013). Design of Racing and High-Performance Engines 2004-2013. SAE International.

  3. Wright, G. (2015). Fundamentals of Medium-Heavy Duty Diesel Engines. Jones & Bartlett Learning.

SPECIFICATIONS

Notes
1 NPT.
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
6.3 x 4.0 x 0.2 in
Weight
0.22 lb
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.