4095009
Piston Pin
Cummins®

The Cummins 4095009 Piston Pin is a component designed for use in heavy-duty truck engines. It plays a role in ensuring efficient engine operation by facilitating the smooth movement of the piston within the engine cylinder. This part is integral to the engine’s performance, contributing to its overall efficiency and durability.

Basic Concepts of Piston Pins

A piston pin, also known as a wrist pin, is a cylindrical component that connects the piston to the connecting rod in an internal combustion engine. Its function is to allow the piston to move up and down within the cylinder while the connecting rod converts this linear motion into rotational motion at the crankshaft. The piston pin’s design and material are important for minimizing friction and wear, which in turn contributes to the engine’s performance and longevity ¹.

Purpose of the 4095009 Piston Pin

The 4095009 Piston Pin is specifically engineered to connect the piston to the connecting rod in Cummins engines. It enables the piston to reciprocate smoothly within the cylinder, which is vital for the engine’s operation. This motion is fundamental to the engine’s ability to generate power, as it allows for the compression and combustion of the air-fuel mixture.

Key Features

The Cummins 4095009 Piston Pin is characterized by its precision engineering and material composition. It is manufactured to tight tolerances to ensure a proper fit and function within the engine. The material used in its construction is chosen for its strength, durability, and resistance to wear, which are important for withstanding the high stresses and temperatures encountered in heavy-duty truck engines.

Benefits

The 4095009 Piston Pin offers several advantages, including improved engine efficiency through reduced friction between moving parts. Its durable construction contributes to enhanced engine reliability and longevity. Additionally, the precision engineering of the piston pin helps to maintain optimal engine performance over time.

Installation and Maintenance

Proper installation of the 4095009 Piston Pin involves adhering to specific torque specifications and alignment procedures to ensure it functions correctly within the engine. Regular maintenance, such as checking for wear and ensuring proper lubrication, is important for the optimal performance and longevity of the piston pin ².

Troubleshooting Common Issues

Common issues associated with piston pins include excessive wear, noise, or failure. These problems can often be diagnosed through careful inspection and analysis of engine performance. Addressing these issues may involve replacing worn components, ensuring proper lubrication, or correcting alignment issues.

Compatibility and Application

The 4095009 Piston Pin is designed for use in specific Cummins engine models and is suitable for various types of heavy-duty trucks. Its application requires attention to specific installation considerations and requirements to ensure compatibility and optimal performance.

Cummins Corporation Overview

Cummins Inc. is a well-established manufacturer in the automotive industry, known for its high-quality engine components. The company has a history of innovation and commitment to producing reliable and efficient engine parts, including the 4095009 Piston Pin.

Cummins Piston Pin 4095009 Compatibility

The Cummins Piston Pin part number 4095009 is designed to fit a variety of engines, ensuring compatibility and reliability across different models. Here is a detailed overview of its compatibility with the listed engines:

Compatible Engines

• 6B5.9
• GTA38 G CMEICS G116C
• K19
• K38
• K50
• KTA19GC
• KTA19GC CM558
• KTA38GC CM558
• QSK19G

Grouping by Series

The engines listed can be grouped based on their series and model variations:

• 6B5.9 Series

  • 6B5.9

• GTA Series

  • GTA38 G CMEICS G116C
  • KTA19GC
  • KTA19GC CM558
  • KTA38GC CM558

• K Series

  • K19
  • K38
  • K50

• QSK Series

  • QSK19G

The Cummins Piston Pin 4095009 is engineered to meet the specific requirements of these engines, ensuring optimal performance and durability. Its design allows it to fit seamlessly into the piston assemblies of these engines, providing a reliable connection between the piston and the connecting rod.

Understanding the Role of Part 4095009 Piston Pin in Engine Systems

Part 4095009, the Piston Pin, is a fundamental component that facilitates the smooth operation of various engine systems. Its primary function is to connect the piston to the connecting rod, allowing for the efficient transfer of force from the combustion process to the crankshaft. This transfer is essential for the engine’s power output and overall performance.

Integration with Engine Components

• Cylinder Block and Short Block Assembly: The Piston Pin is integral to the cylinder block and short block assembly. It ensures that the piston moves precisely within the cylinder, maintaining the engine’s structural integrity and operational efficiency.

• Piston and Connecting Rod: The Piston Pin directly connects the piston to the connecting rod. This connection is vital for converting the linear motion of the piston into rotational motion of the crankshaft, which drives the vehicle.

• Cylinder Head and Cylinder Head Mounting: Although the Piston Pin operates within the cylinder block, its proper function affects the cylinder head’s performance. Efficient piston movement ensures optimal combustion, which is crucial for the cylinder head’s role in managing air and fuel intake and exhaust.

• Camshaft Mounting and Engine Installation Kit: The precise movement of the piston, facilitated by the Piston Pin, is synchronized with the camshaft’s operation. This synchronization is essential for the timing of valve openings and closings, directly impacting engine performance and efficiency.

• Oil Manifold and Oil Control Valve: The Piston Pin’s role in maintaining smooth piston operation also influences the engine’s lubrication system. Proper piston movement ensures that oil is effectively distributed throughout the engine, reducing friction and wear on moving parts.

• Overhaul Kit and Performance Parts: When engines are overhauled or upgraded with performance parts, the Piston Pin’s quality and fit are paramount. It ensures that the new components work harmoniously, enhancing the engine’s power, efficiency, and longevity.

• Liner Kit and Piston Cooling Valve: The Piston Pin works in conjunction with the liner kit to protect the cylinder walls from wear. Additionally, it interacts with the piston cooling valve to manage thermal expansion, ensuring the piston operates within safe temperature ranges.

Supporting Components and Tools

• Tool and Service Kit: Proper installation and maintenance of the Piston Pin require specific tools and service kits. These ensure that the pin is correctly fitted and functions optimally within the engine system.

• Onboard Spares: For engines designed with onboard spares, the Piston Pin’s reliability is essential. It ensures that the engine can continue to operate efficiently even if other components fail.

Conclusion

In summary, the Cummins 4095009 Piston Pin is a key element in the intricate dance of engine components, ensuring that each part operates in unison to deliver optimal performance and reliability. Its precision engineering, durable construction, and compatibility with various Cummins engine models make it a vital component for heavy-duty truck engines.