43463A
Orange Ring Seal
Cummins®

The 43463A Orange Ring Seal is a component manufactured by Cummins, designed for use in commercial trucks. This article provides an overview of the Orange Ring Seal, its function, key features, benefits, and maintenance suggestions.

Basic Concepts of Orange Ring Seals

An Orange Ring Seal is a type of mechanical seal used to prevent leakage of fluids in rotating equipment. It consists of a sealing ring made from elastomeric material, typically orange in color, which provides a tight seal against a mating surface. The seal operates by maintaining contact under pressure, ensuring that fluids do not escape ¹.

Function of the 43463A Orange Ring Seal

The 43463A Orange Ring Seal plays a role in the sealing system of commercial trucks by preventing fluid leaks in various applications, such as engine components, transmission systems, and hydraulic systems. It ensures that fluids remain contained within the system, maintaining operational efficiency and preventing contamination ².

Key Features

• Constructed from durable elastomeric material
• Designed for high-pressure applications
• Provides reliable sealing performance
• Resistant to wear and tear
• Compatible with a variety of fluids

Benefits

• Enhances system efficiency by preventing fluid leaks
• Reduces maintenance requirements
• Extends component lifespan
• Improves overall reliability of the truck’s systems

Troubleshooting and Maintenance

Regular inspection of the Orange Ring Seal is recommended to ensure its continued effectiveness. Signs of wear, such as cracks or deformation, may indicate the need for replacement. Proper installation techniques should be followed to maintain seal integrity. Additionally, ensuring that the mating surfaces are clean and free of debris can help prolong the life of the seal ³.

Compatible Engines

The 43463A Orange Ring Seal is compatible with a variety of Cummins engines, including:

• 6 Series Engines

  • 6B5.9
  • 6C8.3
  • C8.3 G

• G Series Engines

  • G855
  • G855 CM558
  • GTA855 CM558 (CM2358) G101

• K Series Engines

  • K19
  • K38
  • K50

• N14 Series Engines

  • N14 CELECT
  • N14 CELECT PLUS
  • N14 G
  • N14 MECHANICAL
  • NH/NT 855

• QSK Series Engines

  • QSK19 CM2350 K114
  • QSK19 CM2350 K144G
  • QSK19 CM500
  • QSK19 CM850 MCRS
  • QSK19G
  • QSK50 CM2150 MCRS

• QSN and QSNT Series Engines

  • QSN14 CM876 N103
  • QSNT14 CM876 N102

• QST Series Engines

  • QST30 CM2350 T101
  • QST30 CM552

Role of the 43463A Orange Ring Seal in Engine Systems

The 43463A Orange Ring Seal is integral to the reliable operation of various engine systems, ensuring optimal performance and longevity. Here’s how it interfaces with the provided components:

Aftercooler Plumbing

In aftercooler systems, the 43463A Orange Ring Seal is used at connection points to prevent leaks and maintain the integrity of the cooling process. This ensures that the compressed air is efficiently cooled before entering the engine, enhancing overall performance.

Bearing Gasket Kit

When installed in bearing gasket kits, the Orange Ring Seal provides a secure and leak-proof seal between rotating and stationary components. This is essential for reducing friction and wear, thereby prolonging the lifespan of the bearings.

Cooler and Torque Converter Oil Cooler

For both engine and torque converter oil coolers, the 43463A Orange Ring Seal is employed at fluid connection points. It ensures that the cooling fluid circulates without leaks, maintaining the optimal temperature of the oil and enhancing the efficiency of the cooling system.

Engine Gasket Set and Engine Overhaul Kit

In engine gasket sets and overhaul kits, the Orange Ring Seal is used to create reliable seals between various engine components. This is vital for maintaining compression, preventing oil and coolant leaks, and ensuring the engine operates within specified parameters.

Filter and Lubricating Oil Systems

Within lubricating oil filter coolers and mounting systems, the 43463A Orange Ring Seal ensures that the oil filtration process is leak-free. This maintains the cleanliness of the lubricating oil, which is critical for reducing engine wear and improving performance.

Hydraulic Fittings Kit and Pump

In hydraulic systems, the Orange Ring Seal is used in fittings and pump connections to ensure that hydraulic fluid is delivered without leaks. This is essential for the proper functioning of hydraulic components, which rely on consistent fluid pressure.

Radiator and Repair Kit Water Pump

For radiators and water pump repair kits, the 43463A Orange Ring Seal is utilized at connection points to maintain the integrity of the cooling system. This ensures efficient heat dissipation and prevents coolant leaks, which could lead to engine overheating.

Set Cylinder Head Gasket and Single Head Gasket Set

In cylinder head gaskets, the Orange Ring Seal provides an additional layer of security against leaks between the cylinder head and engine block. This is important for maintaining compression and preventing coolant or oil from entering the combustion chamber.

Thermostat Housing and Torque Converter Cooler

The Orange Ring Seal is also crucial in thermostat housings and torque converter coolers, where it ensures that temperature-sensitive fluids are contained and circulated effectively. This helps in maintaining the engine’s operating temperature within safe limits.

W.P. Repair (Major) Kit

In major water pump repair kits, the 43463A Orange Ring Seal is used to ensure that the pump can operate without leaks. This is essential for maintaining the flow of coolant through the engine, preventing overheating, and ensuring reliable operation.

Conclusion

The 43463A Orange Ring Seal is a vital component in the maintenance and operation of Cummins engines. Its role in preventing fluid leaks across various engine systems ensures optimal performance, efficiency, and longevity. Regular maintenance and proper installation are key to maximizing the benefits of this Cummins part.