4920076
Rocker Lever Cover Gasket
Cummins®

The Rocker Lever Cover Gasket (Part #4920076) by Cummins is a component used in heavy-duty truck engines. This gasket is designed to seal the rocker lever cover, ensuring the integrity of the engine’s lubrication system and preventing oil leaks ¹.

Basic Concepts

A Rocker Lever Cover Gasket is a sealing component placed between the rocker lever cover and the engine block. Its primary function is to create a tight seal, preventing oil from escaping the engine’s lubrication system. The gasket is typically made from materials like rubber, cork, or composite materials that can withstand high temperatures and pressures ².

Purpose and Function

This Cummins part plays a role in maintaining the engine’s lubrication system by sealing the rocker lever cover. This ensures that engine oil remains contained within the system, providing necessary lubrication to moving parts and helping to maintain engine efficiency and longevity ³.

Key Features

• Made from durable materials to withstand high temperatures and pressures.
• Designed specifically for Cummins engines, ensuring a precise fit.
• Helps in maintaining the engine’s lubrication system integrity.
• Contributes to overall engine performance and longevity.

Benefits

• Prevents oil leaks, maintaining the engine’s lubrication system efficiency.
• Enhances engine performance by ensuring proper lubrication of moving parts.
• Contributes to the longevity of the engine by preventing oil contamination and maintaining optimal lubrication.

Troubleshooting and Maintenance

Regular inspection of the Rocker Lever Cover Gasket is recommended to ensure it remains in good condition. Signs of a failing gasket include oil leaks around the rocker lever cover, decreased engine performance, or unusual engine noises. If any of these signs are present, the gasket should be inspected and replaced if necessary. Proper torque specifications should be followed during installation to ensure a secure seal.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a strong commitment to innovation and sustainability, Cummins serves customers in approximately 190 countries and territories through a network of more than 600 company-owned and independent distributor locations, as well as thousands of dealers and service points.

Compatibility with Cummins Engines

The Rocker Lever Cover Gasket part number 4920076, manufactured by Cummins, is designed to fit a variety of Cummins engines. This gasket is crucial for ensuring a proper seal between the rocker lever cover and the engine block, preventing leaks and maintaining engine efficiency.

Compatible Engines

• GTA38 G CMEICS G116C
• K19
• K38
• K50
• KTA19GC
• KTA19GC CM558
• KTA38GC CM558
• QSK19G

Grouping of Compatible Engines

The engines listed above can be grouped based on their series and model numbers. For instance:

• KTA19GC and KTA19GC CM558 are part of the KTA series, which is known for its reliability and performance in various industrial applications.
• KTA38GC CM558 is also part of the KTA series but is a higher displacement model, offering more power and torque.
• GTA38 G CMEICS G116C is a part of the GTA series, designed for heavy-duty applications.
• K19, K38, K50 are part of the K series, which is known for its versatility and efficiency in a range of applications.
• QSK19G is part of the QSK series, which is designed for high-performance and durability in demanding environments.

This gasket is engineered to provide a precise fit for these engines, ensuring that it meets the specific sealing requirements of each model. Whether you are working with the K series, GTA series, or KTA series, the Rocker Lever Cover Gasket 4920076 is a reliable choice for maintaining the integrity of your engine’s rocker lever cover.

Role of Part 4920076 Rocker Lever Cover Gasket in Engine Systems

This part is an essential component in maintaining the integrity and efficiency of various engine systems. This gasket is specifically designed to seal the rocker lever cover, preventing oil leaks and ensuring that the internal components remain properly lubricated.

Integration with Engine Components

1. Rocker Housing Mounting Cover and Valve Cover:

   • The Rocker Lever Cover Gasket fits between the Rocker Housing Mounting Cover and the Valve Cover. This ensures a tight seal that prevents oil from escaping, which is vital for maintaining the lubrication of moving parts within the valve and rocker assembly.

2. Breather and Breather Location:

   • Proper sealing by the gasket allows the breather system to function correctly. The breather is responsible for releasing pressure build-up within the engine, and a well-sealed cover ensures that oil vapors are effectively managed without contamination.

3. Upper Engine Gasket Set and Upper Engine Gasket Kit:

   • When used in conjunction with an Upper Engine Gasket Set or Kit, the Rocker Lever Cover Gasket contributes to a comprehensive sealing solution. This is particularly important in marine and high-performance engines where maintaining optimal sealing is paramount.

4. Head Quadrant Gasket Kit and Single Head Gasket Set:

   • The gasket works in harmony with Head Quadrant Gasket Kits and Single Head Gasket Sets to ensure that all upper engine components are sealed. This prevents cross-contamination between different engine zones and maintains the efficiency of the combustion process.

5. Overhaul Gasket Set and Overhaul Kit:

   • During engine overhauls, the Rocker Lever Cover Gasket is a key component in the Overhaul Gasket Set or Kit. It ensures that once the engine is reassembled, all seals are intact, promoting longevity and reliability of the engine.

6. Noise Panel MTG and Oil Pan:

   • The gasket also plays a role in conjunction with the Noise Panel MTG and Oil Pan. By ensuring a sealed environment, it helps in reducing unwanted noise and maintaining the oil level within the pan, which is essential for consistent lubrication.

7. Liner Kit and Marine Upper Engine Gasket Set:

   • In marine applications, the gasket is often part of a Liner Kit or Marine Upper Engine Gasket Set. This is crucial for environments where the engine is exposed to harsh conditions, ensuring that the engine remains sealed against water ingress and oil loss.

8. Kit Spares and On Board Spares:

   • Including the Rocker Lever Cover Gasket in Kit Spares or On Board Spares ensures that maintenance crews have the necessary components for quick repairs, minimizing downtime and maintaining operational efficiency.

Conclusion

In summary, the Part 4920076 Rocker Lever Cover Gasket is a fundamental component in various engine systems, ensuring that seals are maintained across multiple critical points. Its proper installation and condition are essential for the overall performance and reliability of the engine.