3086234
O-Ring Seal
Cummins®

The Cummins 3086234 O-Ring Seal is a critical component for maintaining the integrity of seals within heavy-duty truck systems. Its role is pivotal in ensuring the operational efficiency and reliability of these vehicles. Understanding its purpose and function is essential for effective heavy-duty truck maintenance and operation.

Basic Concepts of O-Ring Seals

An O-Ring Seal is a toroidal (ring-shaped) elastomer with a circular cross-section, utilized to create seals in various mechanical systems. It functions by being compressed between two or more mating surfaces, thereby preventing the leakage of fluids or gases. O-Ring Seals are widely used due to their simplicity, effectiveness, and adaptability to a range of applications ¹.

Purpose of the Cummins 3086234 O-Ring Seal

This Cummins part is specifically designed to enhance the sealing mechanisms of heavy-duty trucks. It is applied in areas where fluid or gas containment is required to maintain system efficiency and prevent leaks. The O-Ring Seal supports various systems within the truck, contributing to the overall performance and reliability of the vehicle ².

Key Features

The Cummins 3086234 is characterized by its material composition, which is selected for durability and resistance to the harsh conditions encountered in heavy-duty applications. Its design is tailored to ensure a tight seal under pressure, and it is engineered to withstand the dynamic environments typical of heavy-duty truck operations ³.

Benefits

Utilizing this part offers several advantages, including enhanced system reliability through effective sealing, improved performance by maintaining system pressures, and increased longevity due to its robust construction. These benefits contribute to the overall efficiency and durability of heavy-duty trucks.

Installation and Usage

Proper installation of the Cummins 3086234 is crucial for its effective function. Best practices include ensuring the mating surfaces are clean and free of debris, using the correct installation tools to avoid damage, and following manufacturer guidelines to achieve the optimal seal. Challenges during installation may include ensuring the correct compression and avoiding over-tightening, which could lead to seal failure.

Troubleshooting and Maintenance

Common issues with O-Ring Seals can include leaks due to wear, damage, or incorrect installation. Regular maintenance, such as inspection for signs of wear or deformation, can help ensure the longevity of the seal. Replacement should be considered if there are visible signs of damage or if leaks occur, to prevent system failure.

Compatibility and Applications

The Cummins 3086234 is designed for use in specific applications within heavy-duty truck environments. Its compatibility with various systems ensures it can be effectively utilized across a range of truck models and configurations, contributing to the vehicle’s operational integrity.

Manufacturer Information - Cummins

Cummins is a renowned manufacturer in the automotive and heavy-duty truck industry, known for its commitment to quality and innovation. With a history of producing reliable and high-performance components, Cummins has established a reputation for excellence in the design and manufacture of automotive parts, including the Cummins 3086234.

Cummins O-Ring Seal 3086234 Compatibility

The Cummins O-Ring Seal part number 3086234 is designed to fit a variety of Cummins engines, ensuring a reliable seal in critical applications. Here’s a breakdown of the engines it is compatible with:

K Series Engines

• K38
• K50

KTA19 Series Engines

• KTA19GC
• KTA19GC CM558

QSK19 Series Engines

• QSK19 CM2350 K105
• QSK19 CM2350 K114
• QSK19 CM2350 K144G
• QSK19 CM500
• QSK19 CM850 MCRS
• QSK19G

QSK45 and QSK60 Series Engines

• QSK45 CM500
• QSK60 CM500
• QSK60 CM850 MCRS

QST30 Series Engines

• QST30 CM2350 T101

This O-Ring Seal is engineered to provide a tight seal in various engine components, ensuring optimal performance and preventing leaks. Its compatibility across multiple engine series highlights its versatility and reliability in the Cummins engine lineup.

Role of Part 3086234 O-Ring Seal in Engine Systems

This part is integral to maintaining the integrity and efficiency of various engine systems. Its application spans across multiple components, ensuring optimal performance and reliability.

Turbocharger Systems

In turbocharger arrangements, the O-Ring Seal is employed in the turbocharger oil drain mounting and turbocharger oil supply plumbing. It prevents oil leaks, ensuring that the turbocharger operates within specified parameters and maintains efficiency.

Fuel Systems

Within fuel systems, the O-Ring Seal is utilized in the electronic fuel control valve and the fuel transfer kit. It ensures a tight seal, preventing fuel leaks and maintaining consistent fuel pressure, which is essential for engine performance.

Cooling Systems

For cooling systems, the O-Ring Seal is found in the fuel cooler and the turbocharger cooler. It helps in maintaining the temperature of fluids, ensuring that the engine operates within safe thermal limits.

Plumbing and Couplings

In plumbing applications, such as fuel drain and turbocharger plumbing, the O-Ring Seal is crucial. It ensures that connections remain leak-free, which is vital for the integrity of the fuel and oil systems.

Gaskets and Seals

The O-Ring Seal is also used in various gasket kits, including the gasket coupling 2009 kit, oversize gasket kit, and upper engine gasket kit. It enhances the seal between mating surfaces, preventing leaks and ensuring components function as intended.

Lubrication and Pump Systems

In engine lubricating systems and pump arrangements, the O-Ring Seal is employed in the primer and scavenge systems. It ensures that lubricants are delivered efficiently without leaks, which is essential for reducing friction and wear within the engine.

Electronic and Control Systems

For electronic systems, such as the electronic control pressure valve and engine control module, the O-Ring Seal is used in male adapters and unions. It ensures that electrical connections and fluid pathways remain secure and leak-free.

Miscellaneous Applications

The O-Ring Seal is also found in the cam follower and cover components. It ensures that these parts remain sealed, contributing to the overall reliability and performance of the engine.

Conclusion

The Cummins 3086234 O-Ring Seal plays a vital role in the maintenance and operation of heavy-duty trucks. Its design and material composition ensure durability and effectiveness in sealing various engine systems, contributing to the overall performance and reliability of the vehicle. Proper installation, regular maintenance, and understanding its applications are key to maximizing the benefits of this part.