3401290
Oil Pan Gasket
Cummins®

The Cummins Oil Pan Gasket (Part #3401290) is a critical component designed to maintain the integrity of the oil pan’s seal in commercial truck engines. Its role is vital in ensuring the engine’s lubrication system functions correctly, which is essential for the engine’s performance and longevity.

Basic Concepts of Oil Pan Gaskets

An oil pan gasket is a sealing component positioned between the oil pan and the engine block. Its primary function is to create a secure seal, preventing oil from leaking out of the oil pan. Maintaining an oil-tight seal is crucial for the lubrication system, as it ensures that the engine receives a consistent supply of oil, which is necessary for reducing friction and wear on moving parts ¹.

Purpose of the 3401290 Oil Pan Gasket

This Cummins part ensures that oil is retained within the oil pan and prevents leaks. By forming a barrier that keeps oil contained within the pan, it allows for the circulation of oil through the engine for lubrication purposes. This prevents oil leaks, maintaining the engine’s lubrication system efficiency and protecting the engine from potential damage due to oil loss ².

Key Features

The 3401290 is characterized by its material composition and design elements that enhance sealing efficiency. It is constructed from materials that can withstand the high temperatures and pressures within an engine environment. The design includes features that ensure a tight fit and effective seal, which may include multi-layered construction or specific contours to match the engine block and oil pan surfaces. These attributes contribute to its reliability and performance compared to other oil pan gaskets ³.

Benefits

Using this part is associated with several benefits. It contributes to improved engine performance by ensuring a consistent oil supply for lubrication. This consistent lubrication extends engine life by reducing wear on engine components. Additionally, the gasket reduces the risk of oil leaks, which can lead to engine damage and environmental contamination.

Installation Process

Installing the 3401290 requires following a specific procedure to ensure a proper seal. The process includes cleaning the mating surfaces of the oil pan and engine block to remove any debris or old gasket material. The new gasket should be positioned correctly, ensuring it is not twisted or misaligned. Torque specifications should be followed when securing the oil pan to the engine block to avoid over-tightening, which can damage the gasket, or under-tightening, which can lead to leaks.

Troubleshooting and Maintenance

Common issues with oil pan gaskets, such as oil leaks, can often be traced back to installation errors or gasket degradation over time. Regular inspections for signs of leaks or wear can help identify problems early. Maintenance tips include following the manufacturer’s recommendations for inspection intervals and replacement schedules to ensure the longevity and effectiveness of the 3401290.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality and reliability in the commercial truck industry. The company offers a wide range of products and services designed to meet the needs of its customers, from light-duty to heavy-duty applications.

Cummins Oil Pan Gasket 3401290 Compatibility

The Cummins Oil Pan Gasket part number 3401290 is designed to fit a variety of Cummins engines. This gasket is essential for ensuring a proper seal between the oil pan and the engine block, preventing oil leaks and maintaining engine efficiency.

ISM Series

• ISM CM570
• ISM CM570/870
• ISM CM876
• ISM11 CM876 SN

The ISM series engines, including the ISM CM570, ISM CM570/870, ISM CM876, and ISM11 CM876 SN, are equipped with the 3401290 oil pan gasket. This gasket is specifically engineered to fit the unique design of the ISM engines, ensuring a secure and reliable seal.

L10 Series

• L10 CELECT
• L10 GAS
• L10 MECHANICAL

The L10 series engines, which include the L10 CELECT, L10 GAS, and L10 MECHANICAL, also utilize the 3401290 oil pan gasket. This gasket is compatible with the L10 engines, providing the necessary sealing properties to prevent oil leaks and maintain engine performance.

M11 Series

• M11 CELECT
• M11 CELECT PLUS
• M11 MECHANICAL

The M11 series engines, such as the M11 CELECT, M11 CELECT PLUS, and M11 MECHANICAL, are designed to work with the 3401290 oil pan gasket. This gasket fits the M11 engines, ensuring a proper seal and preventing oil leaks.

QSM11 Series

• QSM11 CM570
• QSM11 CM876

The QSM11 series engines, including the QSM11 CM570 and QSM11 CM876, are also compatible with the 3401290 oil pan gasket. This gasket is engineered to fit the QSM11 engines, providing the necessary sealing properties to maintain engine efficiency and prevent oil leaks.

Role of Part 3401290 Oil Pan Gasket in Engine Systems

The 3401290 is an essential component in the assembly and maintenance of engine systems, particularly when dealing with the cylinder block and associated components.

When installing or overhauling an engine, the Oil Pan Gasket plays a significant role in ensuring a sealed environment between the oil pan and the cylinder block. This seal is vital for maintaining oil integrity within the engine, preventing leaks that could lead to oil loss and subsequent engine damage.

In the context of an Overhaul (M-11) Kit or a general Overhaul Kit, the Oil Pan Gasket is often included as part of the Lower Engine Gasket Set. Its primary function is to create a barrier that keeps engine oil contained within the oil pan, which is critical for lubrication of moving parts and overall engine performance.

During the Product Installation phase, especially when dealing with a Cyl Blk Stiffnr Plate or any modifications to the Cylinder Block, the Oil Pan Gasket must be correctly positioned. This ensures that the gasket effectively seals the junction between the oil pan and the cylinder block, accommodating any irregularities or adjustments made during the overhaul process.

Furthermore, in a comprehensive engine Package, the Oil Pan Gasket works in conjunction with other gaskets and seals to maintain the engine’s operational integrity. Its proper installation is a key step in the assembly process, directly influencing the engine’s ability to retain oil and operate efficiently.

Conclusion

In summary, the 3401290 is a fundamental component in the engine system, ensuring that the oil pan is securely sealed to the cylinder block. This seal is essential for maintaining oil levels, protecting engine components, and ensuring the overall functionality and longevity of the engine.