3029640
O-Ring Seal
Cummins®

IN STOCK

Cummins®

2 are currently available

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$53.95 $64.20

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 Cummins 3029640 O-Ring Seal is a critical component for maintaining the integrity of seals in commercial truck systems. Its role is significant in ensuring the efficiency and reliability of truck operations. Proper maintenance and understanding of this part contribute to the overall performance and longevity of commercial vehicles 1.

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 operates by creating a barrier that prevents the leakage of fluids and gases in mechanical systems. O-Rings are widely used due to their simplicity, effectiveness, and versatility in various applications 2.

Purpose of the Cummins 3029640 O-Ring Seal

The Cummins 3029640 O-Ring Seal is specifically designed to play a role in the sealing mechanisms of commercial trucks. It is applied in areas where fluid or gas containment is necessary, supporting systems such as fuel lines, hydraulic systems, and engine components. Its function is to maintain the seal integrity under varying pressure and temperature conditions 3.

Key Features

This Cummins part is characterized by its material composition, typically made from durable elastomers that offer resistance to a range of environmental factors. Its design specifications include precise dimensions to ensure a proper fit within the designated grooves. Unique characteristics may include enhanced flexibility and resistance to wear, contributing to its performance and durability.

Benefits

Utilizing the Cummins 3029640 O-Ring Seal offers several advantages. These include improved sealing efficiency, which helps in maintaining system pressure and preventing leaks. Its longevity ensures reduced maintenance frequency, and its resistance to various environmental factors enhances the reliability of the sealing system in commercial truck applications.

Installation Guidelines

Proper installation of this part involves several steps to ensure optimal performance. It is important to use the correct tools and follow best practices, such as ensuring the groove is clean and free of debris before insertion. The O-Ring should be lubricated to facilitate installation and to prevent damage. Careful handling is required to avoid distorting the O-Ring, which could compromise the seal.

Maintenance Tips

Maintaining the Cummins 3029640 O-Ring Seal involves regular inspections to check for signs of wear or damage. It is advisable to follow manufacturer recommendations for inspection intervals. If wear is detected, or if the seal shows signs of degradation, it should be replaced promptly to maintain system integrity. Proper storage and handling of replacement seals are also important to ensure they remain in optimal condition.

Troubleshooting Common Issues

Common problems with O-Ring Seals in commercial trucks may include leaks, which can be caused by improper installation, wear, or environmental factors. Troubleshooting steps involve inspecting the seal for damage, checking the groove for debris or improper sizing, and ensuring that the system operates within the specified pressure and temperature ranges. Addressing these issues promptly can help maintain the efficiency and safety of the truck’s systems.

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 rich history of producing reliable components, Cummins has established a reputation for excellence. Their focus on research and development ensures that their products, including the Cummins 3029640 O-Ring Seal, meet the high standards required for commercial vehicle applications.

Cummins O-Ring Seal 3029640 Compatibility

The Cummins O-Ring Seal part number 3029640 is designed to fit seamlessly with a variety of Cummins engines, ensuring a reliable seal to prevent leaks and maintain system integrity. This O-Ring Seal is compatible with the following engines:

K50 Series

  • K50 CM2150
  • K50 CM2350

QSK50 Series

  • QSK50 CM2150 MCRS
  • QSK50 CM2350 K108

This O-Ring Seal is engineered to meet the specific sealing requirements of these engines, providing a critical barrier against fluid leaks and ensuring optimal performance. Its compatibility across multiple engine models underscores its versatility and reliability in demanding applications.

Role of Part 3029640 O-Ring Seal in Engine Systems

The part 3029640 O-Ring Seal is integral to maintaining the integrity and efficiency of various engine systems. It ensures that connections remain sealed, preventing leaks that could compromise performance and safety.

Air Connection and Air Inlet Connection

In the air connection and air inlet connection systems, the O-Ring Seal plays a significant role in maintaining a tight seal. This prevents air leaks, ensuring that the engine receives the correct air-fuel mixture for optimal combustion.

Pressure Regulator Valve Arrangement

Within the pressure regulator valve arrangement, the O-Ring Seal helps maintain consistent pressure levels. It ensures that the valve operates within specified parameters, contributing to stable engine performance.

Turbocharger and Turbocharger Gasket Kit

In turbocharger and turbocharger gasket kit applications, the O-Ring Seal is essential for sealing connections between the turbocharger and the engine. This prevents exhaust gas leaks, which can lead to decreased turbocharger efficiency and increased emissions.

Fuel Transfer Kit and Fuel Transfer Right Hand Engine Kit

For the fuel transfer kit and fuel transfer right hand engine kit, the O-Ring Seal ensures that fuel lines remain sealed. This prevents fuel leaks, which are hazardous and can lead to engine malfunctions.

Lower Engine Gasket Kit and Turbocharger Kit

In the lower engine gasket kit and turbocharger kit, the O-Ring Seal is used to seal various connections, including those in the intake and exhaust systems. This ensures that the engine operates efficiently without unwanted leaks.

PDC Module and Fuel Control Parts

In the PDC module and fuel control parts, the O-Ring Seal is crucial for sealing electrical and fuel connections. This ensures that these systems operate correctly without interference from leaks.

Service Kit and Performance Parts

Within service kits and performance parts, the O-Ring Seal is often included to ensure that all connections in the engine system remain sealed during maintenance or upgrades. This helps maintain the engine’s performance and longevity.

Turbo & Intercooler Set and Uprate Upper Set

In the turbo & intercooler set and uprate upper set, the O-Ring Seal is used to seal connections in the intercooler and turbocharger systems. This ensures that the air entering the engine is cool and free from leaks, optimizing engine performance.

Conclusion

The Cummins 3029640 O-Ring Seal is a vital component in the maintenance and operation of commercial truck engines. Its proper installation, maintenance, and understanding are crucial for ensuring the efficiency, reliability, and safety of truck systems. Regular inspections, correct installation practices, and prompt replacement when necessary are key to maximizing the benefits of this part.


  1. Viskup, Richard. Diesel and Gasoline Engines. IntechOpen, 2020.

  2. Gilles, Tim. Automotive Service: Inspection, Maintenance, Repair: 2nd Edition. Cengage Learning, 2020.

  3. Hilgers, Michael. Transmissions and Drivetrain Design. Springer Vieweg, 2022.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
6.0 x 6.0 x 0.13 in
Weight
0.02 lb
* 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.