3081950
Male Union
Cummins®

The Cummins 3081950 Male Union is a critical component in commercial truck systems, designed to enhance the efficiency and reliability of fluid transfer mechanisms. Understanding its purpose and significance is essential for maintaining and optimizing truck performance.

Basic Concepts of Male Unions

A male union is a fitting used in fluid systems to connect pipes or hoses. It features a male threaded end that screws into a corresponding female fitting, allowing for easy assembly and disassembly. This design is ideal for systems requiring regular maintenance or modifications, commonly used in fuel, hydraulic, and coolant systems to ensure secure and leak-free connections ¹.

Purpose of the Cummins 3081950 Male Union

This Cummins part plays a role in the fluid transfer system of a truck by providing a secure connection point between different components. It facilitates the smooth transfer of fluids, which is vital for the operation of various truck systems. Its design ensures that connections remain tight under pressure, preventing leaks and maintaining system integrity ².

Key Features

The Cummins 3081950 Male Union is constructed from high-quality materials, ensuring durability and resistance to corrosion. Its design includes precise threading and a robust body, contributing to reliable performance. It may also feature enhanced sealing mechanisms or compatibility with specific fluid types, further improving its functionality in demanding environments ³.

Benefits

The advantages of using the Cummins 3081950 Male Union include its durability, ensuring long-term reliability in harsh operating conditions. Its design allows for ease of installation, reducing downtime during maintenance procedures. Furthermore, the union’s secure fit and leak-resistant properties contribute to the overall efficiency and safety of the truck’s fluid systems.

Installation Process

To install the Cummins 3081950 Male Union, ensure that the mating female fitting is clean and free of debris. Apply a compatible thread sealant to the male threads to enhance the seal. Carefully screw the male union into the female fitting, using a wrench to tighten it securely. It is important to follow the manufacturer’s torque specifications to avoid over-tightening, which could damage the fitting.

Common Applications

The Cummins 3081950 Male Union is typically used in commercial trucks for applications such as fuel line connections, hydraulic system linkages, and coolant system joints. Its versatility makes it suitable for a wide range of systems where secure and reliable fluid transfer is required.

Troubleshooting and Maintenance

Regular inspection of the Cummins 3081950 Male Union is recommended to identify any signs of wear or damage. Look for leaks, corrosion, or loose connections, and address these issues promptly to prevent system failures. Routine maintenance, such as cleaning the fitting and reapplying thread sealant, can help extend the lifespan of the union and ensure continued reliable performance.

Compatibility with Engine Models

The Cummins Male Union part number 3081950 is designed to fit a variety of engine models, providing a crucial connection point for fluid lines and ensuring the integrity of the engine’s hydraulic and cooling systems. Below is a detailed overview of the engine models that are compatible with this part:

ISM Series Engines

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN

K Series Engines

• K19
• K38
• K50

QSK Series Engines

• QSK19 CM2350 K105
• QSK19 CM2350 K114
• QSK19 CM2350 K144G
• QSK19 CM500
• QSK19 CM850 MCRS
• QSK19G
• QSK45 CM500

QSB Series Engines

• QSB5.9 CM850
• QSB6.7 M CM2250

QSC Series Engines

• QSC8.3 CM850 (CM2850)

KTA Series Engines

• KTA19GC
• KTA19GC CM558

M Series Engines

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

N14 Series Engines

• N14 CELECT PLUS

NH/NT Series Engines

• NH/NT 855

This part is integral in ensuring the proper functioning of the engine by providing a secure and reliable connection for various fluid lines. It is essential to verify compatibility with the specific engine model to ensure the correct fit and function of the Male Union.

Role of Part 3081950 Male Union in Engine Systems

The part 3081950 Male Union is a critical component in various engine systems, facilitating the secure and efficient connection of different parts. Its role can be observed in the following systems:

Aftercooler Core

In the aftercooler core system, the Male Union ensures a reliable connection between the core and the associated piping, allowing for effective cooling of the compressed air before it enters the engine.

Camshaft and Gear

Within the camshaft and gear assembly, the Male Union plays a part in connecting the oil supply lines, ensuring that the camshaft and gear receive adequate lubrication for smooth operation.

Centinel Valve Kit

The Centinel Valve Kit relies on the Male Union to connect various components, maintaining the integrity of the valve system and ensuring proper functioning of the engine’s fuel or air delivery.

Connection Oil Transfer

In the connection oil transfer system, the Male Union is used to join different sections of the oil transfer lines, facilitating the movement of oil throughout the engine and its components.

Engine Instrument Panel

The Male Union is utilized in the engine instrument panel system to connect sensors and gauges to the engine’s fluid lines, allowing for accurate monitoring of engine performance and health.

Engine Mounting

In the engine mounting system, the Male Union connects various fluid lines to the engine, ensuring that the engine receives the necessary fluids for operation while securely mounted to the vehicle’s frame.

Engine Oil Cooler

The Male Union is employed in the engine oil cooler system to connect the cooler to the engine’s oil lines, allowing for effective cooling of the engine oil and maintaining optimal engine temperature.

Exhaust Manifold

In the exhaust manifold system, the Male Union connects various components, ensuring a secure and efficient flow of exhaust gases from the engine to the exhaust system.

Front Gear Cover

Within the front gear cover system, the Male Union is used to connect oil supply lines, providing necessary lubrication to the gears and other moving parts within the cover.

Fuel Manifold

The Male Union is utilized in the fuel manifold system to connect various fuel lines, ensuring a consistent and reliable supply of fuel to the engine’s injectors.

Fuel Supply Plumbing

In the fuel supply plumbing system, the Male Union connects different sections of the fuel lines, facilitating the movement of fuel from the tank to the engine.

Gear Cover

Within the gear cover system, the Male Union is employed to connect oil supply lines, ensuring proper lubrication of the gears and other components housed within the cover.

Injector

The Male Union is used in the injector system to connect the injector to the fuel supply lines, allowing for precise and efficient fuel delivery to the engine’s combustion chambers.

Injector Plumbing

In the injector plumbing system, the Male Union connects various components, ensuring a secure and efficient flow of fuel to the engine’s injectors.

ISM Valve & Mounting

The Male Union is utilized in the ISM Valve & Mounting system to connect various fluid lines, allowing for effective operation of the ISM Valve and its associated components.

Lubricating Filter Mounting Head

In the lubricating filter mounting head system, the Male Union connects the filter to the engine’s oil lines, ensuring that the engine receives clean and properly filtered oil for lubrication.

Lubricating Oil Filter

The Male Union is employed in the lubricating oil filter system to connect the filter to the engine’s oil lines, allowing for effective filtration of the engine oil.

Lubricating Oil Filter Mounting

Within the lubricating oil filter mounting system, the Male Union connects the filter mounting to the engine’s oil lines, ensuring a secure and efficient filtration process.

Mounting Turbocharger Oil Supply

In the mounting turbocharger oil supply system, the Male Union connects the turbocharger to the engine’s oil lines, providing necessary lubrication for the turbocharger’s moving parts.

Oil Manifold

The Male Union is used in the oil manifold system to connect various oil lines, facilitating the distribution of oil to different engine components.

Oil Supply Turbocharger

In the oil supply turbocharger system, the Male Union connects the turbocharger to the engine’s oil lines, ensuring proper lubrication of the turbocharger’s moving parts.

Performance Parts

The Male Union is utilized in various performance parts systems to connect different components, allowing for enhanced engine performance and efficiency.

Turbocharger Drain Tube

In the turbocharger drain tube system, the Male Union connects the drain tube to the turbocharger, facilitating the removal of condensate and other fluids from the turbocharger.

Water Painted Pump

The Male Union is employed in the water painted pump system to connect various components, ensuring effective operation of the pump and its associated parts.

Water Top Level Assembly Pump

Within the water top level assembly pump system, the Male Union connects different sections of the pump, allowing for efficient circulation of water throughout the engine’s cooling system.

Conclusion

The Cummins 3081950 Male Union is a vital component in commercial truck systems, ensuring secure and reliable fluid connections across various engine systems. Its durable construction, ease of installation, and compatibility with a wide range of engine models make it an essential part for maintaining the efficiency and reliability of truck operations.