4910289
Piston Pin
Cummins®

The 4910289 Piston Pin, manufactured by Cummins, is a component designed for use in heavy-duty truck engines. Cummins, a well-established name in the engine manufacturing industry, produces a range of components that are integral to the functionality and efficiency of heavy-duty engines. The 4910289 Piston Pin is significant in this context as it plays a role in the engine’s piston assembly, contributing to the overall performance and reliability of the engine.

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 primary 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. This conversion is fundamental to the engine’s operation, enabling the transformation of fuel energy into mechanical work ¹.

Role of the 4910289 Piston Pin in Truck Engines

The 4910289 Piston Pin is specifically engineered to operate within the demanding environment of a heavy-duty truck engine. It facilitates the connection between the piston and the connecting rod, ensuring smooth and efficient motion. This pin is subjected to high loads and stresses, making its design and material properties critical for the engine’s durability and performance. Its role in the engine’s operation involves withstanding these forces while maintaining the integrity of the piston assembly.

Key Features of the 4910289 Piston Pin

The 4910289 Piston Pin is characterized by its precise design and material selection. It is manufactured to exact specifications to ensure compatibility and performance within Cummins engines. The pin is made from high-quality materials that offer resistance to wear and fatigue, contributing to its longevity and reliability. Its design may include features such as a specific diameter and length, as well as surface treatments that enhance its performance under high stress conditions.

Benefits of Using the 4910289 Piston Pin

Utilizing the 4910289 Piston Pin in heavy-duty truck engines can lead to several advantages. These include improved engine efficiency due to its precise fit and reduced friction, enhanced durability thanks to its robust material properties, and increased reliability as a result of its design and manufacturing quality. These factors contribute to the overall performance and longevity of the engine ².

Installation and Compatibility

Proper installation of the 4910289 Piston Pin is important for ensuring its effectiveness and the engine’s performance. Installation procedures should follow manufacturer guidelines to avoid damage and ensure optimal function. Compatibility with various Cummins engine models is a key consideration, as the pin is designed to meet the specific requirements of these engines.

Maintenance and Troubleshooting

Routine maintenance of the 4910289 Piston Pin involves inspecting for signs of wear or damage and ensuring that it remains properly lubricated. Common issues with piston pins may include wear, misalignment, or failure due to fatigue. Troubleshooting these issues typically involves a thorough inspection of the pin and related components, followed by necessary repairs or replacements.

Performance and Efficiency

The 4910289 Piston Pin contributes to the overall performance and fuel efficiency of the engine by facilitating smooth and efficient piston movement. Its design and material properties are selected to minimize friction and wear, which can enhance engine efficiency and reduce fuel consumption ³.

Cummins: A Brief 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 strong reputation in the heavy-duty truck industry, Cummins is known for its commitment to innovation, quality, and customer satisfaction. The company’s product range includes engines, filtration systems, emissions solutions, and aftermarket parts, all designed to meet the demanding requirements of heavy-duty applications.

Compatibility of Piston Pin 4910289 with Cummins Engines

The Cummins Piston Pin 4910289 is designed to fit a variety of engines, ensuring reliable performance and durability across different engine models. Here is a detailed look at its compatibility with the listed engines:

K19 Series

• QSK19 CM2350 K105
• QSK19 CM2350 K114
• QSK19 CM2350 K144G

The Piston Pin 4910289 is compatible with the K19 series engines, specifically those with the QSK19 CM2350 designation. These engines are known for their robust construction and efficiency, making the 4910289 piston pin an ideal fit for maintaining smooth operation and reducing wear.

QSK19 Series

• QSK19 CM500
• QSK19 CM850 MCRS

The Piston Pin 4910289 also fits the QSK19 series engines, including the QSK19 CM500 and QSK19 CM850 MCRS. These engines benefit from the precision engineering of the 4910289 piston pin, which helps in maintaining the integrity of the piston assembly under high-stress conditions.

QSK38 Series

• QSK38 CM2150 MCRS
• QSK38 CM850 MCRS

For the QSK38 series, the 4910289 piston pin is compatible with both the QSK38 CM2150 MCRS and QSK38 CM850 MCRS engines. These engines are designed for heavy-duty applications, and the 4910289 piston pin ensures that the pistons operate smoothly and efficiently, contributing to the overall reliability of the engine.

QSK50 Series

• QSK50 CM2150 K107
• QSK50 CM2150 MCRS
• QSK50 CM2350 K108

The Piston Pin 4910289 is also suitable for the QSK50 series engines. This includes the QSK50 CM2150 K107, QSK50 CM2150 MCRS, and QSK50 CM2350 K108 models. These engines are engineered for high performance and durability, and the 4910289 piston pin plays a crucial role in maintaining the precision and longevity of the piston assembly.

Understanding the Role of Part 4910289 Piston Pin in Engine Systems

The part 4910289 Piston Pin is an integral component in the efficient operation of various engine systems. It facilitates the smooth functioning of the connecting rod and piston assembly by allowing the piston to move freely within the cylinder while maintaining alignment with the connecting rod. This motion is essential for converting the linear motion of the piston into rotational motion of the crankshaft, which ultimately drives the vehicle.

In the context of the engine piston kit and engine top-level assembly piston, the piston pin ensures that the piston remains centered and operates efficiently under high stress and temperature conditions. Its proper function is vital for the durability and performance of the piston kit.

When considering the cylinder head and head, the piston pin’s role becomes even more apparent. The pin must withstand the forces generated during combustion, ensuring that the piston moves precisely within the cylinder bore. This precision is necessary to maintain the correct clearances between the piston and the cylinder head, preventing any potential damage from piston-to-valve contact.

In high-performance engines, the importance of the piston pin is magnified. Performance parts often require enhanced durability and reduced friction, making the selection of a high-quality piston pin like part 4910289 essential. It contributes to the overall efficiency and reliability of the engine piston and piston kit.

Additionally, the piston pin interacts with other components such as the camshaft and camshaft and gear. The timing and synchronization of the camshaft with the piston’s movement are critical for optimal engine performance. The piston pin’s reliable operation ensures that the piston follows the camshaft’s dictates accurately, contributing to smooth engine operation.

The cover plate and wiring retainer bracket may not directly interface with the piston pin, but their roles in protecting and organizing engine components indirectly support the pin’s function. A well-maintained cover plate ensures that contaminants do not interfere with the piston pin’s operation, while the wiring retainer bracket helps in keeping electrical components organized, reducing the risk of interference with mechanical parts.

Conclusion

In summary, the 4910289 Piston Pin plays a significant role in the interplay between various engine components, ensuring that the piston’s motion is smooth, precise, and durable. Its function is foundational to the performance and longevity of the engine systems it serves.