4891288
Oil Drain Gasket
Cummins®

The 4891288 Oil Drain Gasket, manufactured by Cummins, is a critical component in the commercial truck industry. This gasket is designed for use in commercial trucks, contributing to engine maintenance and performance by providing necessary seals ¹. Gaskets, in general, are essential for maintaining the integrity of various engine components ². The 4891288 Oil Drain Gasket ensures reliable sealing during oil changes, which is important for maintaining engine efficiency and longevity.

Basic Concepts of Oil Drain Gaskets

An oil drain gasket is a sealing component placed between the oil drain plug and the engine block. Its primary function is to create a tight seal, preventing oil leakage during and after oil changes. When the oil drain plug is removed for an oil change, the gasket ensures that no oil escapes from the engine block. Upon reinstallation of the plug, the gasket forms a barrier that keeps the engine’s oil contained within the system, ensuring the engine operates efficiently ³.

Purpose of the 4891288 Oil Drain Gasket

The 4891288 Oil Drain Gasket serves a specific role in the operation of a truck by sealing the oil drain plug. This sealing function is vital for preventing oil leaks, which can lead to engine damage and inefficient operation. By ensuring a secure seal, the gasket helps maintain the engine’s oil level, which is crucial for lubrication, cooling, and overall engine performance.

Key Features

The 4891288 Oil Drain Gasket is characterized by several features that enhance its performance and durability. It is made from high-quality materials that are resistant to oil, heat, and wear. The design of the gasket ensures a snug fit around the oil drain plug, providing a reliable seal. Additionally, its compatibility with Cummins engines ensures that it meets the stringent requirements for performance and durability in commercial truck applications.

Benefits of Using the 4891288 Oil Drain Gasket

Utilizing the 4891288 Oil Drain Gasket offers several advantages. Its design contributes to improved sealing efficiency, reducing the risk of oil leaks. The durability of the gasket means it can withstand the harsh conditions within a truck engine, leading to a longer service life. Furthermore, its compatibility with Cummins engines ensures that it performs optimally in these applications, contributing to the overall reliability and efficiency of the engine.

Installation Process

Installing the 4891288 Oil Drain Gasket requires careful attention to detail to ensure a secure fit. Begin by cleaning the oil drain plug and the surrounding area to remove any old gasket material or debris. Place the new gasket onto the oil drain plug, ensuring it is seated correctly. Reinstall the plug into the engine block and tighten it to the manufacturer’s specified torque, which ensures a secure seal without over-tightening that could damage the gasket or the plug.

Troubleshooting Common Issues

Common issues with oil drain gaskets include leaks or improper sealing. If an oil leak is detected after an oil change, the gasket may not be seated correctly, or it could be damaged. To address this, remove the oil drain plug, inspect the gasket for damage, and replace it if necessary. Ensuring the gasket is correctly installed and the plug is tightened to the proper torque can prevent future leaks.

Maintenance Tips

To maintain the 4891288 Oil Drain Gasket, regular inspections are recommended. Look for signs of wear or damage, such as cracks or hardening, which can indicate the gasket needs replacement. Following the manufacturer’s guidelines for oil change intervals can also help prolong the gasket’s service life. Additionally, using the correct torque when reinstalling the oil drain plug is crucial for maintaining a secure seal.

Cummins: A Brief 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 reputation for quality, innovation, and reliability in the commercial truck industry. The company’s commitment to excellence is evident in its product range, which is designed to meet the demanding requirements of commercial applications.

Cummins Oil Drain Gasket 4891288 Compatibility

The Cummins Oil Drain Gasket part number 4891288 is designed to fit a variety of Cummins engines. This gasket is essential for maintaining the integrity of the oil system by ensuring a proper seal where the oil drain connects to the engine block. Here is a breakdown of the engines that this gasket is compatible with:

B6.7 Series Engines

• B6.7 CM2350 B135B
• B6.7 CM2670 B153B
• B6.7 CM2670 B164C
• B6.7 G CMOH6.0 B125
• B6.7S

F Series Engines

• F3.8 CM2620 F137B
• F4.5 CM2620 F139B
• F4.5 CM2620 F141C

ISB/ISD Series Engines

• ISB CM850
• ISB/ISD6.7 CM2150 SN

ISBE Series Engines

• ISBE CM2150
• ISBE CM800
• ISBE4 CM850

ISF Series Engines

• ISF3.8 CM2220 AN

QSB Series Engines

• QSB5.9 CM550
• QSB6.7 CM850 (CM2850)
• QSB7 CM2880 B117

This gasket is engineered to provide a reliable seal, preventing oil leaks and ensuring the engine operates efficiently. It is crucial to use the correct gasket for each engine model to maintain the engine’s performance and longevity.

Role of Part 4891288 Oil Drain Gasket in Engine Systems

The 4891288 Oil Drain Gasket is an essential component in maintaining the integrity of various engine systems. It is specifically designed to ensure a secure seal between the oil drain plug and the cylinder block, preventing oil leaks and ensuring that the engine’s lubrication system functions efficiently.

Integration with Engine Components

1. Cylinder Block: The oil drain gasket fits snugly around the oil drain plug located at the bottom of the cylinder block. This ensures that engine oil is effectively contained within the system during operation and can be drained completely during maintenance procedures.

2. Full Engine Gasket Set and Gasket Kit: When performing a comprehensive engine overhaul, the oil drain gasket is a vital part of the full engine gasket set and gasket kit. It works in conjunction with other gaskets to maintain the overall seal integrity of the engine.

3. Lower Engine Gasket Kit: In scenarios where only the lower portion of the engine requires gasket replacement, the oil drain gasket is included in the lower engine gasket kit. This ensures that all critical sealing points in the lower engine are addressed.

4. Overhaul Kit: During an engine overhaul, the overhaul kit often includes the oil drain gasket. This comprehensive kit is designed to facilitate a thorough restoration of the engine, ensuring all gaskets are replaced to factory specifications.

5. Upper Engine Gasket Kit and Upper Engine Gasket Set: Although the oil drain gasket is primarily associated with the lower engine, its inclusion in upper engine gasket kits or sets can be beneficial for complete engine maintenance, ensuring no sealing points are overlooked.

6. Turbocharger and Related Kits: In engines equipped with turbochargers, the oil drain gasket remains an important component. Turbocharger kits, turbocharger campaign kits, turbocharger gasket kits, and turbocharger repair kits may include the oil drain gasket to ensure that the lubrication system, which is critical for turbocharger operation, remains leak-free.

7. Turbocharger Oil Plumbing and Turbocharger Plumbing: The oil drain gasket indirectly supports the turbocharger oil plumbing and turbocharger plumbing by maintaining the engine’s oil supply. Proper sealing ensures that the oil system can deliver the necessary lubrication to the turbocharger, enhancing its performance and longevity.

By ensuring a tight seal at the oil drain plug, the 4891288 Oil Drain Gasket plays a significant role in the maintenance and efficiency of these engine systems. Its proper installation and condition are fundamental to the overall health and performance of the engine.

Conclusion

The 4891288 Oil Drain Gasket is a vital component in the maintenance and performance of Cummins engines. Its role in preventing oil leaks and ensuring efficient engine operation cannot be overstated. Proper installation, regular maintenance, and understanding its integration with various engine components are crucial for maximizing the benefits of this Cummins part.