4899231
Rocker Lever Housing Gasket
Cummins®

The Rocker Lever Housing Gasket, identified by Part #4899231, is a component manufactured by Cummins, a well-established name in the automotive and heavy-duty truck industries. This gasket plays a role in the operation of heavy-duty truck engines, ensuring the integrity and efficiency of the valve train system ⁴.

Function and Operation

The Rocker Lever Housing Gasket is integral to the engine’s valve train system. Its role is to seal the rocker lever housing, preventing oil leaks and maintaining the necessary oil pressure and lubrication within the system. By creating a tight seal, the gasket ensures that oil does not escape from the housing, which could lead to insufficient lubrication and increased wear on moving parts. Additionally, the gasket helps in maintaining the structural integrity of the rocker lever housing by withstanding the pressures and temperatures encountered during engine operation ¹.

Key Features

The 4899231 Rocker Lever Housing Gasket is designed with specific characteristics to ensure durability and performance. It is made from materials that offer resistance to oil and heat, which are factors in the harsh environment of a heavy-duty engine. The gasket is engineered to provide a precise fit within the engine assembly, ensuring that it effectively seals the rocker lever housing without gaps that could lead to leaks. Its design also incorporates features that allow it to flex and conform to the surfaces it seals, enhancing its effectiveness over the lifespan of the engine ².

Benefits

The use of the 4899231 Rocker Lever Housing Gasket offers several advantages. It contributes to enhanced engine performance by ensuring that the valve train system operates with the correct lubrication and pressure. This results in smoother operation and reduced friction between moving parts. Additionally, the gasket’s ability to prevent oil leaks helps in maintaining clean engine compartments and reduces the risk of contamination that can lead to further engine damage. The durable construction of the gasket also contributes to prolonged component lifespan, offering reliability over extended periods of use ⁴.

Installation Process

Proper installation of the 4899231 Rocker Lever Housing Gasket is crucial for its effective function. The process involves several steps to ensure a secure and leak-free seal. First, the mating surfaces must be thoroughly cleaned to remove any old gasket material, oil, or debris. This preparation is vital for the new gasket to adhere properly. Next, the gasket should be positioned correctly within the rocker lever housing, ensuring that it aligns with all sealing surfaces. When tightening the housing, it is important to follow the manufacturer’s torque specifications to avoid over-tightening, which can damage the gasket, or under-tightening, which can lead to leaks ³.

Troubleshooting and Maintenance

Common issues with Rocker Lever Housing Gaskets include leaks due to wear, improper installation, or damage. Diagnostic techniques for identifying gasket failures may involve visual inspections for oil leaks around the rocker lever housing or performance issues indicative of lubrication problems. Regular maintenance practices, such as inspecting the gasket during routine engine services and replacing it as part of scheduled maintenance, can help ensure optimal performance. Additionally, keeping the engine clean and well-lubricated can prevent conditions that might lead to premature gasket failure ⁴.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and related technologies. With a history spanning over a century, Cummins has established a strong reputation for quality, reliability, and customer satisfaction in the automotive and heavy-duty truck industries. The company’s product portfolio includes a variety of engine types and configurations, as well as aftermarket parts and services designed to enhance the performance and longevity of their products. Cummins’ commitment to innovation and excellence has made it a preferred choice for professionals in the industry ⁴.

Rocker Lever Housing Gasket Fitment for Cummins Engines

The Rocker Lever Housing Gasket part number 4899231, manufactured by Cummins, is a component for ensuring the integrity of the engine’s rocker lever housing. This gasket is designed to fit a variety of Cummins engines, providing a seal that prevents leaks and maintains the necessary pressure within the engine’s system.

Engines with CM2670 Series

The Rocker Lever Housing Gasket 4899231 is compatible with several engines featuring the CM2670 series. These include:

• B5.6 CM2670 B152B
• B6.7 CM2670 B153B
• B6.7 CM2670 B164C

Engines with CM2150 Series

This gasket also fits engines from the CM2150 series, which include:

• ISB CM2150
• ISBE CM2150

Engines with CM2880 Series

The gasket is also suitable for engines with the CM2880 series, such as:

• ISB5.9 CM2880 B110
• ISB5.9 CM2880 B140
• ISB5.9 CM2880 B149
• QSB5.9 CM2880 B115
• QSB7 CM2880 B117

Engines with CM2250 Series

For engines with the CM2250 series, the gasket fits:

• ISB6.7 CM2250
• QSB6.7 CM2250
• QSB6.7 M CM2250

Engines with CM800 and CM850 Series

The Rocker Lever Housing Gasket 4899231 is also compatible with the following engines:

• ISBE CM800
• ISBE4 CM850
• QSB6.7 CM850 (CM2850)

Engines with G CMOH6.0 Series

Lastly, the gasket fits the engine:

• B6.7 G CMOH6.0 B125

This comprehensive fitment ensures that the Rocker Lever Housing Gasket 4899231 can be used across a wide range of Cummins engines, providing a reliable seal that is essential for maintaining engine performance and longevity ⁴.

Role of Part 4899231 Rocker Lever Housing Gasket in Engine Systems

The part 4899231 Rocker Lever Housing Gasket is a component in the arrangement of various engine systems, ensuring the integrity and efficiency of the engine’s operation. This gasket is specifically designed to seal the rocker lever housing, which is a part of the valve train system.

In the context of the valve cover, the Rocker Lever Housing Gasket plays a role. It ensures that the valve cover is properly sealed to the rocker lever housing, preventing any oil leaks that could contaminate the valve train components or lead to a loss of lubrication. This seal is vital for maintaining the correct oil pressure and ensuring that the valve cover performs its function of protecting the valve train from debris and moisture.

When considering the valve and cylinder block, the gasket’s role becomes even more apparent. The seal provided by the Rocker Lever Housing Gasket helps maintain the vacuum integrity within the engine. This is important for the proper operation of the valves, as any vacuum leaks can affect the performance and efficiency of the engine.

In the full engine gasket set and upper engine gasket kit, the inclusion of the Rocker Lever Housing Gasket is standard. These sets are designed to provide comprehensive sealing solutions for the engine’s upper components, and the gasket is a key part of this arrangement. It works in conjunction with other gaskets to ensure that the engine operates within its designed parameters, without any unwanted leaks or losses.

For the lever and rocker components, the gasket ensures that the housing remains sealed, protecting the delicate mechanisms within from oil contamination and wear. This is particularly important in high-performance engines where the tolerances are tight, and any leakage can lead to significant issues.

In the context of a long block or an overhaul kit, the Rocker Lever Housing Gasket is often included to ensure that the engine is reassembled with all necessary seals intact. This is important for the longevity and reliability of the engine, as a properly sealed engine will operate more efficiently and require less maintenance over time.

Overall, the Rocker Lever Housing Gasket is a small but vital component in the complex arrangement of an engine’s upper components. Its role in sealing the rocker lever housing contributes to the overall performance, efficiency, and reliability of the engine ⁴.

Conclusion

The 4899231 Rocker Lever Housing Gasket is a critical component in the maintenance and operation of Cummins engines. Its role in sealing the rocker lever housing ensures the integrity of the valve train system, preventing oil leaks, maintaining oil pressure, and contributing to the overall efficiency and reliability of the engine. Proper installation, regular maintenance, and understanding its fitment across various Cummins engine models are essential for maximizing the benefits of this Cummins part.