4995845
Engine Piston
Cummins®

Introduction

The Cummins 4995845 Engine Piston is a component designed for use in commercial trucks, playing a role in the efficient operation of these vehicles. Its purpose is to convert the energy released from the combustion of fuel into mechanical force, which is then used to power the truck. Understanding the function and importance of this piston provides insight into the overall performance and reliability of the truck’s engine.

Basic Concepts of Engine Pistons

An engine piston is a cylindrical component that moves up and down within the engine’s cylinders. Its primary functions include sealing the combustion chamber, transferring force from the expanding gases produced by combustion to the crankshaft via the connecting rod, and contributing to the engine’s cooling process by dissipating heat. The piston’s movement is fundamental to the operation of an internal combustion engine, as it facilitates the intake, compression, power, and exhaust strokes of the engine cycle ¹.

Role of the 4995845 Engine Piston in Truck Operation

The 4995845 Engine Piston is specifically engineered to meet the demanding requirements of commercial truck engines. It interacts with other engine components such as the cylinder walls, piston rings, and connecting rod to ensure efficient and reliable engine operation. By providing a precise fit within the cylinder and effective sealing, this piston helps maintain compression, which is vital for the engine’s power output and fuel efficiency. Its design also allows for optimal heat management, contributing to the engine’s overall performance and durability.

Key Features of the 4995845 Engine Piston

The 4995845 Engine Piston boasts several key features that enhance its performance and durability. Its design incorporates advanced materials and manufacturing techniques to withstand the high pressures and temperatures within the engine. The piston’s surface may be treated or coated to reduce friction and wear, and its weight is carefully balanced to minimize inertial forces. These features contribute to the piston’s ability to operate efficiently under the strenuous conditions encountered in commercial truck applications.

Benefits of Using the 4995845 Engine Piston

Utilizing the 4995845 Engine Piston in commercial trucks offers several benefits. Its design and materials contribute to improved engine efficiency, allowing for better fuel economy and reduced emissions. The piston’s durability and reliability help extend the engine’s service life, reducing the need for frequent replacements and repairs. Additionally, the enhanced performance characteristics of this piston can lead to smoother engine operation and increased power output, benefiting the truck’s overall performance and drivability.

Troubleshooting and Maintenance Suggestions

Common issues with engine pistons, including the 4995845, may include wear, damage from debris, or failure of the piston rings. Regular maintenance practices, such as monitoring engine performance, checking for unusual noises or vibrations, and adhering to recommended service intervals for oil changes and filter replacements, can help prevent these issues. Additionally, using high-quality lubricants and fuels can contribute to the piston’s longevity and performance. If problems are detected, it is advisable to consult with a professional technician for a thorough inspection and necessary repairs ².

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established itself as a trusted name in the automotive industry, particularly in the heavy-duty truck sector. The company is committed to innovation, quality, and sustainability in its engine component manufacturing, continually striving to improve the performance, efficiency, and environmental impact of its products.

Cummins Engine Piston 4995845 Compatibility

The Cummins engine piston part number 4995845 is designed to fit seamlessly within several engine models. This part is engineered to ensure optimal performance and durability, making it a suitable choice for various applications.

ISL9 CM2150 SN and ISL9 CM2250

The ISL9 CM2150 SN and ISL9 CM2250 engines benefit from the precision engineering of the 4995845 piston. These engines, known for their robust design and efficiency, require high-quality pistons to maintain their operational integrity. The 4995845 piston is crafted to meet these demands, ensuring smooth operation and longevity.

QSC9 CM2250/QSL9 CM2250 and QSL9 CM2250

Similarly, the QSC9 CM2250/QSL9 CM2250 and QSL9 CM2250 engines are compatible with the Cummins 4995845 piston. These engines are designed for heavy-duty applications, and the 4995845 piston is built to withstand the rigors of such demanding environments. Its compatibility with these models ensures that the engines can operate efficiently and reliably, even under strenuous conditions.

Role of Part 4995845 Engine Piston in Engine Systems

The part 4995845 Engine Piston is integral to the efficient operation of various engine systems. When installed as part of an engine piston kit, it works in harmony with other components to enhance overall engine performance.

Interaction with the Camshaft

The camshaft plays a role in the valve timing of the engine. As the camshaft opens and closes the valves, the 4995845 Engine Piston moves up and down within the cylinder. This reciprocating motion is essential for the intake, compression, power, and exhaust strokes of the engine cycle. The precise movement of the piston, influenced by the camshaft’s timing, ensures optimal combustion efficiency and power output.

Contribution to Engine Performance

Incorporating the 4995845 Engine Piston into the engine system significantly impacts performance. This piston is designed to withstand high temperatures and pressures, ensuring smooth and reliable operation under various driving conditions. Its robust construction contributes to the durability and longevity of the engine, making it a valuable component in performance parts.

Synergy with the Injector

The fuel injector delivers a precise amount of fuel into the combustion chamber. The 4995845 Engine Piston’s role is to compress the air-fuel mixture before ignition. The efficiency of this compression directly affects the combustion process. A well-designed piston, like the 4995845, ensures that the compression is uniform and effective, leading to better fuel economy and reduced emissions.

Integration with Other Parts

Beyond the camshaft, injector, and performance parts, the 4995845 Engine Piston interacts with various other components within the engine system. Its design must complement the cylinder walls, piston rings, and connecting rods to ensure seamless operation. The piston’s movement is guided by the connecting rod, which transfers the force generated during combustion to the crankshaft. This transfer of force is vital for converting the linear motion of the piston into rotational motion, driving the vehicle.

Conclusion

The 4995845 Engine Piston is a fundamental component that enhances the functionality and performance of the engine system. Its interaction with the camshaft, injector, and other parts ensures efficient combustion and reliable engine operation.