5412880
O-Ring Seal
Cummins®

AVAILABLE

Cummins®

1 is currently available

Ships within 2-4 business days

$21.95 $26.12

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The 5412880 O-Ring Seal, a component manufactured by Cummins, is designed for use in commercial trucks. It ensures the integrity of various systems within these vehicles.

Basic Concepts of O-Ring Seals

An O-Ring Seal is a gasket with a circular cross-section, designed to create a seal between parts. It prevents the leakage of fluids and gases and keeps out contaminants by deforming slightly when compressed between two surfaces 1.

Purpose of the 5412880 O-Ring Seal in Truck Operations

This Cummins part is integral to the operation of commercial trucks. It is associated with various systems and components within the truck, ensuring that seals remain intact under operational conditions. This includes applications in fuel systems, hydraulic systems, and other areas where fluid or gas containment is necessary.

Key Features of the 5412880 O-Ring Seal

The 5412880 is characterized by its robust design and material composition. It is crafted to offer durability and resistance to a range of chemicals and temperatures that it may encounter in truck operations. Its design ensures a precise fit within the truck’s systems, contributing to the overall efficiency and reliability of the vehicle.

Benefits of Using the 5412880 O-Ring Seal

Utilizing this part in commercial trucks offers several advantages. It contributes to improved system efficiency by ensuring tight seals, which can lead to reduced maintenance needs. Additionally, its resilience in harsh operating conditions enhances the reliability of the truck’s systems, providing peace of mind to operators and fleet managers.

Installation and Maintenance Guidelines

Proper installation of the 5412880 involves preparing the sealing surfaces to ensure they are clean and free of imperfections. Following manufacturer-specified torque settings during installation is crucial to achieve the desired sealing effect. Regular maintenance, including inspection for wear and proper lubrication where applicable, can help ensure the longevity and optimal performance of the O-Ring Seal.

Troubleshooting Common Issues

Common issues with O-Ring Seals, such as leaks or failures, can often be traced back to improper installation, environmental factors, or wear and tear. Diagnostic procedures may involve inspecting the seal and its seating area for damage or misalignment. Repair or replacement of the O-Ring Seal, following proper installation guidelines, can effectively address these issues.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a rich history of innovation and quality, Cummins has established a strong reputation in the commercial vehicle industry. The company’s commitment to excellence is evident in its wide range of products, including the 5412880, designed to meet the demanding requirements of commercial truck operations.

Cummins O-Ring Seal 5412880 Compatibility

The O-Ring Seal part number 5412880, manufactured by Cummins, is designed to ensure the integrity of various engine systems. This seal is engineered to fit seamlessly within the engine architecture, providing a reliable barrier against leaks and ensuring optimal performance.

QST30 CM552 Engines

In the QST30 CM552 engines, the O-Ring Seal 5412880 is utilized in several key areas. Its primary function is to maintain the seal in high-pressure systems, such as fuel lines, hydraulic circuits, and coolant passages. This ensures that the engine operates efficiently and safely by preventing any unwanted fluid leakage.

Grouping of Engines

For engines within the same family or series, such as the QST30 CM552, the O-Ring Seal 5412880 is designed to be interchangeable. This standardization allows for easier maintenance and repair, as technicians can rely on the same part across multiple engine models. The seal’s consistent performance and reliability make it an essential component for these engines.

By using the O-Ring Seal 5412880 in these engines, manufacturers and technicians can ensure that the engines maintain their operational integrity, reducing the risk of costly downtime and repairs.

Role of Part 5412880 O-Ring Seal in Engine Systems

The 5412880 is integral to maintaining the integrity and performance of various engine components. It ensures that systems remain sealed, preventing leaks and maintaining pressure where necessary. Here’s how it interfaces with specific components:

Camshaft and Gear

In the camshaft and gear assembly, the O-Ring Seal is employed to prevent oil leakage around the camshaft bearings. This ensures consistent lubrication, reducing wear and tear on the camshaft and gear, and contributing to the smooth operation of the valve train.

Injector Fuel Supply Tube

For the injector fuel supply tube, the O-Ring Seal plays a significant role in maintaining a tight seal between the tube and the fuel rail. This prevents fuel leaks, ensuring that the fuel system operates efficiently and safely. Proper sealing is essential for maintaining the correct fuel pressure and delivery to the injectors.

Injector Kit

Within an injector kit, the O-Ring Seal is used at various connection points to ensure that the fuel system remains pressurized and leak-free. This is vital for the precise delivery of fuel to the combustion chamber, directly impacting engine performance and fuel efficiency.

Parts and Performance Parts

In general engine parts and performance parts, the O-Ring Seal is often utilized in fluid systems, such as oil and coolant passages. Its role is to maintain system integrity by preventing leaks, which is essential for the reliable operation of high-performance engines.

Single Head Gasket Kit

In a single head gasket kit, the O-Ring Seal may be used in conjunction with the head gasket to ensure a complete seal around oil passages and other critical areas. This helps in maintaining compression and preventing cross-contamination between coolant, oil, and combustion chambers.

Upper Engine Gasket Kit

Similarly, in an upper engine gasket kit, the O-Ring Seal is employed to ensure that all fluid passages within the upper engine components are sealed properly. This is important for maintaining the integrity of the lubrication system and preventing leaks that could lead to engine damage.

Vent Tube

For the vent tube, the O-Ring Seal ensures that the ventilation system remains sealed, allowing for proper pressure equalization within the engine crankcase. This is important for maintaining optimal engine performance and preventing issues such as oil foaming or contamination.

Overall, the 5412880 is a small yet vital component in ensuring the efficient and reliable operation of various engine systems.

Conclusion

The 5412880 O-Ring Seal plays a crucial role in the maintenance and operation of commercial truck engines. Its design and material composition ensure durability and resistance to various chemicals and temperatures, contributing to the overall efficiency and reliability of the vehicle. Proper installation and maintenance are key to maximizing the benefits of this part, ensuring that commercial trucks operate efficiently and safely.


  1. Alma Hillier, Fundamentals of Motor Vehicle Technology Book 1 6th Edition, Oxford University Press, 2014.

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SPECIFICATIONS

Package Dimensions
1.25 x 1.25 x 0.125 in
Weight
0.02 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.