3087917
Valve Stem Guide
Cummins®

The Cummins 3087917 Valve Stem Guide is a component designed to facilitate the proper operation of heavy-duty truck engines. Its purpose is to ensure the smooth and precise movement of the valve stem within the engine cylinder head. This component plays a role in maintaining the integrity and efficiency of the engine’s valve train system ¹.

Function and Operation

The Valve Stem Guide operates by providing a dedicated pathway for the valve stem to move up and down within the cylinder head. This guide ensures that the valve stem remains properly aligned during its operation, which is vital for the valve to open and close at the correct times. Proper alignment and smooth operation of the valve stem contribute to efficient engine performance, allowing for optimal air and fuel mixture intake and exhaust processes ².

Key Features

This Cummins part is constructed from high-quality materials that offer durability and resistance to wear. Its design includes precise dimensions and smooth surfaces to minimize friction as the valve stem moves. Additionally, the guide may incorporate features such as a coated surface to further reduce wear and enhance longevity ³.

Benefits

The use of the Valve Stem Guide offers several benefits. It contributes to improved engine efficiency by ensuring that the valve operates smoothly and precisely. This results in better combustion and overall engine performance. Additionally, the guide helps reduce wear on valve components, leading to extended engine life. Enhanced overall engine reliability is another advantage, as the guide plays a role in maintaining the integrity of the valve train system ⁴.

Installation and Maintenance

Proper installation of the Valve Stem Guide involves following recommended procedures and using appropriate tools to ensure it is securely placed within the cylinder head. Regular maintenance, such as periodic inspection for signs of wear or damage, is important to ensure the longevity and optimal performance of the component. Cleaning and, if necessary, replacing the guide can help maintain engine efficiency.

Common Issues and Troubleshooting

Common issues associated with Valve Stem Guides include wear, leakage, or misalignment. These problems can lead to decreased engine performance and efficiency. Troubleshooting steps may involve inspecting the guide for signs of damage, cleaning or replacing it as needed, and ensuring proper alignment within the cylinder head to address these issues effectively.

Compatibility and Application

The Valve Stem Guide is designed to be compatible with various heavy-duty truck models and engine types. Its application is suitable for different operating conditions and environments, making it a versatile component for enhancing engine performance across a range of heavy-duty truck applications.

Manufacturer Overview - Cummins

Cummins Inc. is a well-established company with a strong reputation in the automotive and heavy-duty truck industry. The company has a history of producing high-quality engine components and is known for its commitment to innovation and excellence in manufacturing. Cummins’ product offerings include a wide range of engine parts and systems designed to meet the demanding requirements of heavy-duty applications.

Valve Stem Guide Part 3087917 in Cummins Engines

The Valve Stem Guide part 3087917 is a component in Cummins engines, ensuring the smooth and efficient operation of the valve train. This part is designed to provide a precise fit and guide the valve stem, reducing friction and wear, and maintaining the integrity of the valve’s motion.

Application in Cummins Engines

• QSK19G: The Valve Stem Guide part 3087917 is integral to the QSK19G engine, where it plays a role in maintaining the performance and longevity of the engine. Its precision engineering ensures that the valve stems operate smoothly, which is essential for the engine’s overall efficiency and reliability.

The Valve Stem Guide part 3087917 is engineered to fit seamlessly within the engine’s design, providing a snug and secure fit that minimizes the risk of valve damage and ensures consistent engine performance. This part is a testament to Cummins’ commitment to quality and durability, making it a reliable choice for maintaining the integrity of the engine’s valve train.

Role of Part 3087917 Valve Stem Guide in Engine Systems

The Valve Stem Guide, identified by part number 3087917, is an integral component within the cylinder head assembly of an engine. Its primary function is to ensure the proper alignment and smooth operation of the valve stem as it moves up and down during the engine’s operation. This part is meticulously designed to reduce friction and wear on the valve stem, thereby enhancing the overall performance and longevity of the engine.

In the cylinder top-level assembly head, the Valve Stem Guide works in concert with other components such as the valve springs, retainers, and seals. It provides a precise pathway for the valve stem, allowing it to open and close the valve with minimal resistance. This efficient operation is essential for maintaining the engine’s performance, as it directly influences the airflow into and out of the combustion chamber.

Furthermore, the Valve Stem Guide plays a role in the thermal management of the cylinder head. By ensuring that the valve stem remains cool and operates within its designed parameters, it helps in preventing overheating and potential damage to the valve and surrounding components. This is particularly important in high-performance engines where the demands on the valve train are significantly greater.

Conclusion

In summary, the Valve Stem Guide (part 3087917) is a key element in the intricate dance of components within the cylinder head. Its role in maintaining alignment, reducing friction, and aiding in thermal management contributes to the reliable and efficient operation of the engine.