3046943
O Ring Seal
Cummins®

AVAILABLE

Cummins®

More than 10 are currently available

Ships within 2-4 business days

$5.99 $7.13

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 O Ring Seal part #3046943, manufactured by Cummins, is a component designed for use in commercial trucks. It is integral to maintaining the integrity of various systems within these vehicles. This seal ensures that fluids and gases remain contained within their designated pathways, preventing leaks that could lead to system failure or inefficiency.

Basic Concepts of O Ring Seals

An O Ring Seal is a type of gasket that forms a seal by being compressed within a groove. It is typically made from elastomers, which are materials that can return to their original shape after deformation. Common materials include nitrile rubber, silicone, and fluorocarbon. The seal functions by creating a barrier that prevents the passage of fluids or gases, ensuring that systems operate under the correct pressure and without contamination 1.

Purpose of the 3046943 O Ring Seal in Truck Operations

The 3046943 O Ring Seal plays a specific role in the operation of commercial trucks. It is utilized in various engine components and fuel systems to maintain the integrity of these systems. By sealing connections and preventing leaks, it ensures that the engine operates efficiently and that fuel is delivered correctly. This seal is also found in other critical areas where maintaining a seal is necessary for the proper function of the vehicle.

Key Features of the 3046943 O Ring Seal

The 3046943 O Ring Seal is designed with specific features that enhance its performance. It is constructed from materials that offer durability and resistance to a range of chemicals and temperatures. This ensures that the seal can withstand the harsh conditions often encountered in commercial truck operations. Additionally, its design allows for compatibility with various engine components, ensuring a secure fit and effective sealing 2.

Benefits of Using the 3046943 O Ring Seal

Utilizing the 3046943 O Ring Seal provides several advantages. It contributes to improved system reliability by preventing leaks and maintaining the correct pressure within systems. This can lead to reduced maintenance needs, as the seal is designed to be durable and long-lasting. Furthermore, the seal enhances performance in harsh operating conditions, ensuring that commercial trucks can operate efficiently even under stress.

Installation and Maintenance Guidelines

Proper installation of the 3046943 O Ring Seal is vital to ensure optimal performance. It should be seated correctly within its groove to create an effective seal. Regular maintenance, such as checking for signs of wear or damage, can prolong the lifespan of the seal and ensure continued system efficiency. Following manufacturer guidelines for installation and maintenance will help achieve the best results.

Troubleshooting Common Issues

Common problems associated with O Ring Seals include leaks or failures. These issues can often be traced back to improper installation, wear and tear, or exposure to incompatible chemicals. Diagnosing these problems involves inspecting the seal and its surrounding components for signs of damage or misalignment. Resolving these issues may require replacing the seal or addressing other components within the system.

Cummins: A Brief Overview

Cummins Inc. is a well-established manufacturer in the commercial truck industry, known for its commitment to quality and innovation. The company offers a wide range of products, including engines, filtration systems, and aftermarket parts. Cummins’ reputation is built on its dedication to producing reliable and high-performing components, ensuring that commercial trucks operate efficiently and effectively.

O Ring Seal 3046943 Compatibility with Cummins Engines

The O Ring Seal part number 3046943, manufactured by Cummins, is a critical component in ensuring the integrity and efficiency of various Cummins engine models. This seal is designed to fit seamlessly with a range of Cummins engines, providing a reliable barrier against leaks and maintaining system pressure.

Engine Compatibility

15N CM2380 M104B, 6B5.9, B6.7 G CMOH6.0 B125, C GAS PLUS CM556, C8.3 G, G855, ISB CM550, ISC CM554, ISC CM850, ISG12 G CMOH6.0 G111, ISL CM554, ISL G CM2180, ISL9 CM2150 SN, ISM CM570, ISM CM570/870, ISM CM876, ISM11 CM876 SN, ISX CM570, ISX CM870, K19, K38, K50, KTA19GC, KTA19GC CM558, KTA38GC CM558

The O Ring Seal 3046943 is engineered to fit these engines, ensuring a tight seal in various applications. This seal is particularly useful in maintaining the performance and longevity of the engines by preventing fluid leaks and maintaining system pressures.

Engines with Similar Specifications

  • 15N CM2380 M104B, 6B5.9, B6.7 G CMOH6.0 B125, C GAS PLUS CM556, C8.3 G, G855: These engines benefit from the O Ring Seal 3046943 due to their similar design and operational requirements.
  • ISB CM550, ISC CM554, ISC CM850, ISG12 G CMOH6.0 G111, ISL CM554, ISL G CM2180, ISL9 CM2150 SN: These engines also utilize the O Ring Seal 3046943, ensuring that they operate efficiently and reliably.
  • ISM CM570, ISM CM570/870, ISM CM876, ISM11 CM876 SN, ISX CM570, ISX CM870: These engines are designed to work with the O Ring Seal 3046943, providing a consistent seal across different engine models.
  • K19, K38, K50, KTA19GC, KTA19GC CM558, KTA38GC CM558: These engines also require the O Ring Seal 3046943 to maintain their operational integrity.

By using the O Ring Seal 3046943, these engines can operate with confidence, knowing that the seal will provide a reliable barrier against leaks and maintain system pressures. This ensures that the engines perform optimally and reduces the risk of costly downtime due to seal failure.

Role of Part 3046943 O Ring Seal in Engine Systems

The Part 3046943 O Ring Seal is integral to maintaining the integrity and efficiency of various engine systems. Its application spans across multiple components, ensuring that fluids and gases are contained and directed as intended, minimizing leaks and maximizing performance.

Cabin Heater Plumbing

In the Cabin Heater Plumbing system, the O Ring Seal is used to create a tight seal around connections and fittings. This ensures that the heated coolant circulating through the system does not leak, maintaining consistent cabin temperature and comfort.

Centinel Tank Kit and EBM-Plumbing

For the Centinel Tank Kit and EBM-Plumbing, the O Ring Seal plays a vital role in sealing connections within the fuel system. This prevents fuel leaks, which are hazardous, and ensures that the fuel delivery system operates efficiently.

Turbocharger and Exhaust Recirculation

In the Turbocharger and Exhaust Recirculation systems, the O Ring Seal is employed to seal various connections, including those in the Female Connector and Male Union Tee. This helps maintain the pressure integrity of the system, ensuring optimal turbocharger performance and effective recirculation of exhaust gases.

Filter Head Kit and Fuel Filter

The Filter Head Kit and Fuel Filter rely on the O Ring Seal to ensure that fuel flows through the system without leaks. This is essential for maintaining clean fuel delivery to the engine, which is critical for performance and longevity.

Fuel Pump Kit and Gear Fuel Pump

In the Fuel Pump Kit and Gear Fuel Pump, the O Ring Seal is used in the connections to the Lubricating Oil Filter Head. This ensures that the lubrication system remains sealed, preventing oil leaks and maintaining proper lubrication of engine components.

Lower Engine Gasket Kit and Oversize Gasket Kit

The Lower Engine Gasket Kit and Oversize Gasket Kit often incorporate the O Ring Seal to ensure that coolant, oil, and other fluids do not escape from the engine block. This is essential for maintaining the engine’s thermal management and lubrication systems.

Marine Gear Oil Cooler and Oil Bypass Filter

For the Marine Gear Oil Cooler and Oil Bypass Filter, the O Ring Seal is used to maintain the integrity of the cooling and filtration systems. This ensures that the oil remains cool and clean, prolonging the life of the engine and its components.

Oil Control Valve and Oil Cooler Support

In the Oil Control Valve and Oil Cooler Support, the O Ring Seal helps to maintain the pressure and flow of oil within the system. This is important for the precise control of oil distribution and the effective cooling of the oil.

Oil Pan Adapter Kit and Plain Pipe Adapter

The Oil Pan Adapter Kit and Plain Pipe Adapter use the O Ring Seal to ensure that connections to the oil pan and other piping are secure. This prevents oil leaks and ensures that the oil system remains pressurized and efficient.

Lub Oil Prim Pump and Rocker Lever

In the Lub Oil Prim Pump and connections to the Rocker Lever, the O Ring Seal ensures that the lubrication system is sealed, preventing oil loss and ensuring that all moving parts receive adequate lubrication.

Threaded Plug and Plumbing

Finally, the Threaded Plug and various Plumbing components throughout the engine system utilize the O Ring Seal to create secure, leak-proof connections. This is essential for the overall integrity and efficiency of the engine’s fluid systems.

Conclusion

The 3046943 O Ring Seal by Cummins is a critical component in the maintenance and efficiency of commercial truck engines. Its role in preventing leaks, maintaining system pressures, and ensuring the proper function of various engine systems cannot be overstated. Proper installation and regular maintenance of this part are essential to maximize its benefits and ensure the longevity and performance of the engine.


  1. Gifford, Clive. Cars Encyclopedia. DK Publishing, 2014.

  2. ElSayed, Mohamed PE. Fundamentals of Integrated Vehicle Realization. SAE International, 2017.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
4.0 x 4.0 x 0.01 in
Weight
0.01 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.