4987915
Piston Cooling Nozzle
Cummins®

The Piston Cooling Nozzle 4987915 by Cummins is a specialized component designed to enhance the performance and longevity of heavy-duty truck engines. Its purpose is to facilitate efficient cooling of the piston, which is vital for maintaining optimal engine operation under demanding conditions.

Basic Concepts of Piston Cooling Nozzles

A Piston Cooling Nozzle is a device that directs a jet of oil onto the underside of a piston to cool it. This process is essential for dissipating heat generated during combustion, which can otherwise lead to excessive thermal stress on the piston and related components. The nozzle operates by utilizing engine oil, which is pressurized and then sprayed through small orifices in the nozzle. This oil jet directly contacts the piston’s surface, absorbing heat and transferring it away from the piston ¹.

Purpose of the 4987915 Piston Cooling Nozzle

This Cummins part plays a role in the engine’s operation by ensuring that the piston remains within a safe temperature range. This is achieved through the precise application of cooling oil, which helps in maintaining the structural integrity and performance of the piston. By managing thermal loads, the nozzle contributes to the overall efficiency and reliability of the engine ².

Key Features

The 4987915 is constructed from high-quality materials that are resistant to wear and corrosion. Its design includes a specific nozzle pattern that ensures even distribution of cooling oil across the piston’s surface. Unique attributes of this nozzle may include advanced manufacturing techniques that enhance its durability and effectiveness in high-stress environments.

Benefits of Using the 4987915 Piston Cooling Nozzle

Utilizing this part offers several advantages. It contributes to improved engine efficiency by maintaining optimal piston temperature, which in turn reduces the risk of thermal damage. Additionally, it helps in minimizing wear on piston components, leading to enhanced overall engine reliability and potentially extending the engine’s service life ³.

Installation and Integration

Proper installation of the 4987915 is vital for its effective operation. This involves ensuring that the nozzle is correctly aligned and securely fastened within the engine system. Preparations may include cleaning the installation area and verifying that all connections are tight and free from obstructions. Careful integration is necessary to avoid any disruptions in the oil flow and to ensure that the nozzle functions as intended.

Troubleshooting Common Issues

Common problems associated with Piston Cooling Nozzles can include clogging of the orifices, misalignment, or wear and tear. These issues may lead to inadequate cooling and potential engine damage. Troubleshooting steps involve inspecting the nozzle for blockages, ensuring proper alignment, and replacing the nozzle if significant wear is detected. Regular maintenance can help in identifying and addressing these issues before they escalate.

Maintenance and Care

Routine maintenance of the 4987915 is important for ensuring its optimal performance and longevity. This includes regular inspection intervals to check for signs of wear or damage, and cleaning procedures to remove any contaminants that may obstruct the oil flow. Adhering to manufacturer guidelines for maintenance can help in preserving the efficiency and reliability of the cooling system.

Cummins: A Brief Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and quality, Cummins has established a strong reputation in the automotive and heavy-duty truck industry. The company’s commitment to advancing technology and delivering reliable products is evident in its diverse product range, which includes components like the 4987915.

Compatibility of Piston Cooling Nozzle Part 4987915 with Cummins Engines

The Piston Cooling Nozzle part number 4987915, manufactured by Cummins, is designed to fit a variety of Cummins engine models. This part is integral for maintaining optimal engine performance by ensuring efficient cooling of the pistons. Below is a detailed breakdown of the engines that are compatible with this specific piston cooling nozzle.

ISL9 CM2150 SN and QSL8.9 CM2150 L141

The ISL9 CM2150 SN and QSL8.9 CM2150 L141 engines both utilize the part number 4987915. These engines are part of Cummins’ lineup that is known for its robust performance and reliability in heavy-duty applications. The compatibility of this nozzle ensures that the cooling system functions effectively, contributing to the longevity and efficiency of these engines.

ISL9.5 CM2880 L138 and QSL9.3 CM2880 L113

The ISL9.5 CM2880 L138 and QSL9.3 CM2880 L113 engines also require the 4987915 piston cooling nozzle. These engines are designed for applications that demand high power and reliability, such as in construction and transportation sectors. The use of this nozzle in these engines helps in maintaining the pistons’ temperature within safe operating limits, thereby enhancing engine performance and durability.

L8.9 CM2670 L134C, L8.9 L121, L8.9G CMOH2.0 L125B, and L9 CM2670 L128B

The L8.9 CM2670 L134C, L8.9 L121, L8.9G CMOH2.0 L125B, and L9 CM2670 L128B engines are another set of Cummins engines that are compatible with the 4987915 piston cooling nozzle. These engines are typically used in a variety of applications, including agricultural and industrial machinery, where they need to operate under varying conditions. The nozzle’s role in these engines is crucial for effective cooling, which helps in preventing overheating and ensuring smooth operation.

L9.5 L117

Lastly, the L9.5 L117 engine is also compatible with the 4987915 piston cooling nozzle. This engine is designed for applications that require a balance of power and efficiency. The use of this nozzle in the L9.5 L117 engine ensures that the pistons are kept at an optimal temperature, which is essential for maintaining engine performance and reliability.

By ensuring that the piston cooling nozzle part number 4987915 is correctly installed in these engines, operators can expect enhanced engine longevity, improved performance, and reduced maintenance costs.

Role of Part 4987915 Piston Cooling Nozzle in Engine Systems

The part 4987915 is an integral component in the thermal management system of an engine. It works in conjunction with several key components to ensure optimal engine performance and longevity.

Interaction with the Block

The engine block houses the cylinders and pistons, and it is within this block that the Piston Cooling Nozzle plays a significant role. The nozzle is strategically positioned to direct a stream of coolant onto the underside of the piston. This process helps in dissipating heat away from the piston, reducing thermal stress and potential warping. The effective cooling provided by the nozzle contributes to maintaining the structural integrity of the engine block over time.

Relationship with the Cylinder

Each cylinder in an engine is a critical component where the combustion process occurs. The Piston Cooling Nozzle aids in regulating the temperature within the cylinder by cooling the piston as it moves up and down. This temperature control is essential for maintaining the efficiency of the combustion process and preventing excessive heat buildup, which could lead to decreased performance or engine damage.

Integration with the Cylinder Block Kit

A cylinder block kit typically includes components such as pistons, rings, and bearings, designed to work together to enhance engine performance. The Piston Cooling Nozzle complements this kit by providing additional cooling to the pistons. This ensures that all components within the cylinder block operate within their optimal temperature ranges, thereby enhancing the overall reliability and efficiency of the engine. The nozzle’s role in thermal management is particularly beneficial in high-performance engines where temperatures can reach extreme levels.

Conclusion

The 4987915 Piston Cooling Nozzle by Cummins is a critical component for maintaining the performance and longevity of heavy-duty truck engines. By effectively managing the temperature of the pistons, this part contributes to the overall efficiency and reliability of the engine. Proper installation, regular maintenance, and understanding its role within the engine system are essential for maximizing the benefits of this component.