3279755
Injector Cup
Cummins®

The Cummins Injector Cup, identified by part number 3279755, is a critical component in the fuel injection system of heavy-duty trucks. Its role is to ensure the proper functioning of the fuel injector within the cylinder head, contributing to the overall efficiency and performance of the engine. Understanding its purpose and significance is essential for maintaining the optimal operation of heavy-duty trucks.

Purpose and Function

The Cummins Injector Cup serves a pivotal role in the fuel injection system by sealing the injector within the cylinder head. This seal is vital for maintaining the integrity of fuel pressure, ensuring that fuel is delivered to the combustion chamber at the correct pressure and timing. By providing a secure and reliable seal, the Injector Cup helps prevent fuel leaks and maintains the efficiency of the fuel injection process.

Key Features

The design and material characteristics of the Cummins Injector Cup are tailored to meet the demanding conditions within a truck engine. Crafted from high-quality materials, the Injector Cup exhibits durability and resistance to the high temperatures and pressures encountered in diesel engines. Its design ensures compatibility with Cummins engines, offering a precise fit that enhances the reliability and performance of the fuel injection system.

Benefits

The Cummins Injector Cup offers several advantages that contribute to the overall performance of heavy-duty trucks. By ensuring a secure seal, it helps improve fuel efficiency and enhances engine performance. Additionally, the robust design of the Injector Cup reduces the risk of fuel leaks, contributing to a safer and more reliable operation of the vehicle.

Installation and Maintenance

Proper installation of the Cummins Injector Cup is crucial for its effective performance. It should be installed according to the manufacturer’s guidelines to ensure a secure fit and optimal sealing. Routine maintenance checks are recommended to inspect the condition of the Injector Cup and ensure it remains in good working order. This includes checking for signs of wear or damage and ensuring that all connections are secure.

Troubleshooting Common Issues

Injector Cups may encounter issues such as leaks or failures over time. Common problems can often be identified through symptoms like decreased engine performance or fuel leaks. Troubleshooting these issues involves a systematic approach to diagnose the problem, which may include inspecting the Injector Cup for damage, ensuring proper installation, and checking for any signs of wear or corrosion. Solutions may range from simple adjustments to replacement of the Injector Cup if necessary.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including diesel and natural gas engines, as well as related technologies. With a history of innovation and commitment to quality, Cummins has established itself as a trusted name in the diesel engine market. The company’s product range includes engines, filtration, emissions solutions, and power generation products, all designed to meet the demanding needs of various industries.

Cummins Injector Cup (Part 3279755) Compatibility

The Cummins Injector Cup, identified by the part number 3279755, is a critical component in the fuel injection system of various Cummins engines. This part is designed to ensure precise fuel delivery, which is essential for optimal engine performance and efficiency. Below is a detailed description of how this injector cup fits with specific Cummins engines.

K19 Engine Series

The K19 engine series, known for its robust design and reliability, incorporates the injector cup 3279755 as a key element in its fuel injection system. This engine series is widely used in heavy-duty applications, including commercial vehicles and industrial machinery. The injector cup is engineered to withstand the high pressures and temperatures associated with these demanding environments.

The injector cup 3279755 is meticulously designed to fit seamlessly with the K19 engine’s injectors. It ensures that fuel is delivered in a controlled and efficient manner, contributing to the engine’s overall performance and longevity. The precision engineering of this part is crucial for maintaining the engine’s power output and fuel efficiency.

Grouping of Compatible Engines

The injector cup 3279755 is not limited to the K19 engine series alone. It is also compatible with other Cummins engines that share similar design and operational parameters. These engines often require the same level of precision and durability in their fuel injection components to ensure consistent performance.

By using the injector cup 3279755, these engines benefit from improved fuel atomization and combustion efficiency. This results in better engine performance, reduced emissions, and enhanced reliability. The compatibility of this part across various Cummins engines underscores its versatility and importance in maintaining the integrity of the fuel injection system.

Understanding the Role of Part 3279755 Injector Cup in Engine Systems

In the realm of engine systems, the injector cup, specifically part 3279755, plays a significant role in ensuring the efficient operation of the injector. This component is integral to the overall performance and reliability of the engine.

Injector Functionality

The injector is a pivotal component in the fuel delivery system of an engine. Its primary function is to atomize fuel into the combustion chamber at precise moments, ensuring optimal fuel-air mixture for combustion. The injector cup, part 3279755, supports this process by providing a secure and sealed environment for the injector to operate within.

Interaction with Engine Components

1. Cylinder Head: The injector cup is installed in the cylinder head, where it interfaces directly with the injector. This placement allows for the injector to deliver fuel into the combustion chamber effectively.

2. Fuel Rail: Connected to the fuel rail, the injector receives pressurized fuel. The injector cup ensures that this fuel is directed correctly into the combustion chamber without leaks.

3. Piston and Combustion Chamber: The performance of the injector, supported by the injector cup, directly influences the combustion process. Proper fuel atomization leads to more efficient combustion, which in turn enhances engine performance.

4. Cooling System: The injector cup also plays a role in managing the thermal environment around the injector. By maintaining a stable temperature, it helps in preventing thermal stress on the injector and other nearby components.

Performance Implications

The injector cup’s role in maintaining a sealed and stable environment for the injector has direct implications on engine performance. Consistent and precise fuel delivery results in:

• Improved Fuel Efficiency: Efficient combustion means that the engine can operate with less fuel, leading to better overall efficiency. ¹
• Reduced Emissions: Proper fuel atomization reduces the likelihood of unburnt fuel, which lowers emissions. ²
• Enhanced Power Output: Optimal combustion conditions allow the engine to produce more power. ³

Conclusion

In summary, the Cummins Injector Cup (part 3279755) is a vital component that supports the injector’s function within the engine system. Its role in ensuring a secure and efficient fuel delivery process contributes significantly to the engine’s overall performance and reliability.