3087921
Rocker Lever Spacer
Cummins®

Introduction

The Rocker Lever Spacer 3087921, manufactured by Cummins, is a critical component in the valve train system of commercial truck engines. Understanding its function and importance is essential for maintaining and optimizing engine performance.

Basic Concepts of Rocker Lever Spacers

A Rocker Lever Spacer is a mechanical component in an engine’s valve train. It provides necessary clearance between the rocker arm and the valve stem, ensuring the rocker arm operates within the correct range of motion. This is vital for proper valve timing, contributing to engine efficiency and performance ¹.

Role of the 3087921 Rocker Lever Spacer in Truck Operation

This Cummins part ensures the rocker arm maintains the appropriate distance from the valve stem, crucial for accurate valve timing. Proper valve timing is essential for the engine’s combustion process, affecting performance and fuel efficiency. The spacer’s role in maintaining this timing directly influences the engine’s overall operation and efficiency ².

Key Features of the 3087921 Rocker Lever Spacer

The 3087921 is designed with specific characteristics to enhance performance and durability. Constructed from high-quality materials, it withstands harsh engine conditions. Its design ensures precise fitment and function within the valve train, contributing to reliability and longevity.

Benefits of Using the 3087921 Rocker Lever Spacer

Utilizing this part offers several advantages. It contributes to improved engine performance by ensuring accurate valve timing, leading to better combustion efficiency and overall engine reliability. Its durable construction and precise design help extend the engine’s lifespan, making it valuable for truck operators ³.

Installation and Compatibility

Proper installation of the 3087921 is crucial for its effective function. It is designed to fit specific engine models, and adherence to manufacturer guidelines ensures compatibility and optimal performance. Following recommended procedures during installation is important to avoid issues affecting the engine’s operation.

Troubleshooting Common Issues

Common problems with Rocker Lever Spacers can include incorrect clearance, leading to valve train noise or inefficient engine operation. Troubleshooting involves checking the spacer’s fitment and condition, ensuring it is correctly installed and in good condition. Addressing these problems promptly helps maintain engine performance and prevent further complications.

Maintenance Recommendations

Regular maintenance is recommended to ensure the optimal performance and longevity of the 3087921. This includes periodic inspections to check for wear or damage. Following the manufacturer’s guidelines for inspection intervals and replacement helps maintain the spacer’s effectiveness and the engine’s overall health.

Cummins: A Brief Overview

Cummins Inc. is a global power leader known for its high-quality products and innovative solutions in the commercial truck industry. The company’s extensive product range and commitment to excellence make it a trusted name among truck operators and manufacturers.

Compatibility of 3087921 with Cummins Engines

The 3087921 is designed to fit seamlessly with various Cummins engines, ensuring proper clearance and alignment of the rocker levers. This is crucial for the engine’s smooth operation and longevity.

QSK19G

The QSK19G engine benefits from the 3087921, ensuring correct spacing and alignment of the rocker levers, vital for the engine’s efficient operation.

QSK60 Series

The QSK60 series, including models like the QSK60 CM850 MCRS and QSK60 G CM2358 K110, relies on the 3087921 to maintain the correct alignment and clearance of the rocker levers, essential for performance and reliability.

QSK60G

The QSK60G engine is also compatible with the 3087921, ensuring the rocker levers are correctly spaced, which is vital for the engine’s performance and durability.

Role of 3087921 in Engine Systems

The 3087921 is integral to the proper functioning of the rocker lever top-level assembly shaft within engine systems. It ensures precise alignment and spacing between the rocker lever and the shaft, essential for the efficient transfer of motion from the camshaft to the valves. The spacer maintains the correct distance between these components, allowing for smooth and consistent operation. It also helps reduce friction and wear between the rocker lever and the shaft, contributing to the longevity and reliability of the engine’s valve train system.

Conclusion

The 3087921 Rocker Lever Spacer by Cummins plays a significant role in the valve train system of commercial truck engines. Its proper installation, maintenance, and compatibility with specific Cummins engines are crucial for ensuring optimal engine performance and longevity.