5319364
Oil Seal
Cummins®

The Cummins 5319364 Oil Seal is a component designed to maintain the integrity of lubricant systems in commercial trucks. Its role is significant in ensuring the smooth operation of truck engines and transmissions by preventing lubricant leakage ³.

Basic Concepts of Oil Seals

An oil seal, also known as a rotary shaft seal, is a mechanical device used to prevent the leakage of lubricants from rotating equipment. It operates by creating a barrier between the rotating shaft and the stationary housing, ensuring that lubricants remain within the system to perform their lubricating functions effectively ¹.

Purpose of the Cummins 5319364 Oil Seal

This Cummins part is positioned within the engine or transmission system of a truck. Its function is to seal the interface between rotating and stationary components, thereby retaining lubricants within the system. This seal helps maintain the efficiency of the lubrication system, which is vital for the longevity and performance of the engine and transmission components ³.

Key Features

The 5319364 incorporates specific design elements and materials to enhance its performance and durability. It is constructed using high-quality elastomers and reinforced with metal components to withstand the operational stresses and temperatures encountered in commercial truck applications. These materials contribute to the seal’s ability to maintain a reliable barrier against lubricant leakage ³.

Benefits

Utilizing this Cummins part offers several advantages. It contributes to improved engine and transmission efficiency by ensuring that lubricants are effectively contained within the system. This containment reduces the frequency of maintenance interventions required and enhances the overall reliability of the truck’s operation ³.

Installation Considerations

Proper installation of this part is crucial for its optimal performance and longevity. Guidelines recommend ensuring the seal is correctly aligned and seated within its housing to avoid lubricant leakage and damage to the seal or surrounding components. Attention to cleanliness and the condition of mating surfaces is also important during installation ³.

Common Issues and Troubleshooting

Typical problems associated with oil seals include leaks, which can arise from improper installation, wear, or damage. Diagnosing these issues involves inspecting the seal and its seating area for signs of wear or misalignment. Recommended troubleshooting steps include re-evaluating the installation process, replacing worn or damaged seals, and ensuring that all components are clean and in good condition ³.

Maintenance Tips

Regular maintenance practices can prolong the life of this part and ensure continued efficient operation. These practices include periodic inspections for signs of wear or damage, ensuring the cleanliness of the seal and its seating area, and adhering to manufacturer recommendations for replacement intervals ³.

Cummins Corporation Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and a broad product range, Cummins has established a strong reputation in the commercial truck industry for producing reliable and high-performance components ².

Cummins Engine Oil Seal 5319364 Compatibility

The Cummins Oil Seal part number 5319364 is designed to fit a variety of Cummins engines, ensuring a secure seal to prevent oil leaks and maintain engine efficiency. Here’s a detailed look at the compatibility of this oil seal with different Cummins engine models:

B4.5 Series

• B4.5 CM2350 B129B
• B4.5 RGT

B6.7 Series

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

D4.0 Series

• D4.0 CM2620 D103B

F3.8 Series

• F3.8 CM2350 F120B
• F3.8 CM2350 F128C
• F3.8 CM2620 F137B
• F3.8 F102

F4.5 Series

• F4.5 CM2620 F139B
• F4.5 CM2620 F141C

ISB Series

• ISB CM2150
• ISB CM850
• ISB/ISD4.5 CM2150 B119
• ISB/ISD6.7 CM2150 SN
• ISB4.5 CM2350 B104
• ISB6.7 CM2250
• ISB6.7 CM2350 B101
• ISB6.7 G CM2180 B118

ISBE Series

• ISBE CM2150
• ISBE CM800
• ISBE4 CM850

ISD Series

• ISD4.5 CM2220 D108

This oil seal is engineered to provide a reliable seal in various operating conditions, ensuring that the engine’s lubrication system remains intact and efficient. It is crucial to verify the specific application and fitment of the oil seal with the engine manufacturer’s guidelines or a certified Cummins dealer to ensure proper installation and performance ².

Role of Part 5319364 Oil Seal in Engine Systems

The 5319364 Oil Seal is a component in maintaining the integrity and efficiency of various engine systems. Its primary function is to prevent oil leakage while allowing smooth operation of moving parts. Here’s how it integrates with specific engine components:

• Cylinder Block: The oil seal is positioned within the cylinder block to ensure that lubricating oil remains contained, providing consistent lubrication to the crankshaft and other moving parts. This helps in reducing friction and wear, thereby enhancing the longevity of the engine.

• Front Gear Cover: In the front gear cover, the oil seal plays a significant role in sealing the interface between the cover and the crankshaft. This prevents oil from escaping, which is vital for maintaining proper lubrication of the timing gears and chains.

• Long Block: When incorporated into a long block assembly, the oil seal ensures that the crankshaft and connecting rod bearings are adequately lubricated. This is important for the smooth operation and durability of the engine’s internal components.

• Lower Engine Gasket Kit: The oil seal works in conjunction with the lower engine gasket kit to create a reliable barrier against oil leaks. This is particularly important in the crankshaft area, where precise sealing is required to maintain oil pressure and prevent contamination.

• Lubricating Oil Pump: The oil seal is often situated near the lubricating oil pump to ensure that the oil supply lines remain leak-free. This guarantees that the pump can deliver a consistent flow of oil to all critical engine parts, enhancing overall engine performance.

• Upper Engine Gasket Kit: Although primarily focused on the lower engine, the oil seal’s effectiveness indirectly supports the upper engine components by maintaining a stable oil supply and pressure. This ensures that even the upper gaskets and seals function optimally without the risk of oil starvation.

Conclusion

In summary, the 5319364 Oil Seal is a fundamental component in various engine systems, ensuring that oil is effectively contained and delivered where needed, thus supporting the smooth and efficient operation of the engine ³.