3070136
O Ring Seal
Cummins®

The 3070136 O Ring Seal, a component produced by Cummins, is a critical element in the commercial truck industry. This article delves into the O Ring Seal, exploring its function, key features, benefits, and maintenance practices.

Understanding O Ring Seals

An O Ring Seal is a type of gasket made from a circular section of elastomer with a round cross-section. It is designed to create a seal between two or more parts by being compressed in a groove, which deforms the elastomer and creates a seal that prevents the passage of liquids and gases ¹.

Role of the 3070136 O Ring Seal in Truck Operation

This Cummins part ensures the integrity of fluid systems within a truck. It is used in various applications where sealing is required to prevent leaks and maintain system efficiency. This includes fuel systems, hydraulic systems, and engine components.

Key Features

The 3070136 O Ring Seal is characterized by several key features:

• Made from durable elastomer materials to withstand high pressure and temperature.
• Designed for a precise fit in specified grooves to ensure effective sealing.
• Compatible with a variety of fluids commonly used in truck systems.

Benefits

The use of the 3070136 O Ring Seal offers several benefits:

• Enhances system reliability by preventing leaks.
• Contributes to the longevity of components by maintaining proper fluid levels.
• Ensures optimal performance of truck systems by maintaining seal integrity under varying conditions.

Troubleshooting and Maintenance

Regular inspection and maintenance of O Ring Seals are recommended to ensure continued performance:

• Check for signs of wear, cracking, or deformation during routine maintenance.
• Replace the O Ring Seal if any damage is detected to prevent potential leaks.
• Ensure proper installation to avoid improper seating, which can lead to seal failure.

Compatibility with Cummins Engines

The O Ring Seal part number 3070136 is a critical component in ensuring the integrity and performance of various Cummins engine models. This seal is designed to fit seamlessly within the engine systems, providing a reliable barrier against leaks and ensuring optimal operational efficiency.

ISM Series Engines

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

L10 and M11 Series Engines

• L10 CELECT
• M11 CELECT
• M11 CELECT PLUS

N14 Series Engines

• N14 CELECT PLUS
• QSM11 CM570
• QSM11 CM876
• QSN14 CM876 N103
• QSNT14 CM876 N102

Role of 3070136 O Ring Seal in Engine Systems

This part is instrumental in maintaining the integrity and performance of various engine components. Its application ensures that systems operate efficiently by preventing leaks and maintaining pressure.

Integration with Engine Components

1. Cylinder Block and Cylinder Head: Ensures a tight seal to prevent coolant or oil leaks.
2. Injector and Injector Repair Kit: Secures injectors in place, ensuring precise fuel delivery and no leaks.
3. Upper Engine Gasket Kit and Upper Engine Gasket Set: Ensures all gaskets fit snugly, maintaining vacuum integrity.
4. Leak Tester Seal Kit and Cylinder Head Leak Tester: Creates a sealed environment for accurate testing.
5. Engine Piston Kit and Connecting Rod and Piston: Ensures oil remains within lubrication pathways.
6. Campaign Kit and Overhaul Kit: Includes O Ring Seals as part of replacement components.
7. Connecting Rod: Ensures lubrication is maintained and prevents metal-to-metal contact.
8. Camshaft: Prevents oil leaks and maintains proper lubrication of cam bearings.

Conclusion

Understanding the role of the 3070136 O Ring Seal in engine components highlights its importance in engine maintenance and performance. Regular maintenance and proper installation are crucial to ensure the continued efficiency and reliability of truck systems.