3032787
O Ring Seal
Cummins®

AVAILABLE

Cummins®

More than 10 are currently available

Ships within 2-4 business days

$5.49 $6.53

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 3032787 O-Ring Seal is a component designed to ensure the integrity of fluid systems within commercial trucks. Its role is to prevent leaks and maintain system pressure, contributing to the efficient operation of the vehicle. Understanding its purpose and significance is fundamental for maintaining the performance and reliability of commercial trucks.

Basic Concepts of O-Ring Seals

An O-Ring Seal is a type of gasket with a circular cross-section, designed to create a seal between two or more parts. It functions by being compressed within a groove, forming a barrier that prevents the escape of fluids or gases. O-Ring Seals are widely used in mechanical systems due to their simplicity, effectiveness, and versatility in various applications 1.

Purpose of the 3032787 O-Ring Seal in Truck Operation

The 3032787 O-Ring Seal plays a specific role in the operation of commercial trucks by ensuring the sealing of fluid pathways within the engine and transmission systems. It is associated with components where fluid dynamics are critical, such as fuel injectors and hydraulic systems, contributing to the overall efficiency and performance of the truck.

Key Features of the 3032787 O-Ring Seal

The design and material characteristics of the 3032787 O-Ring Seal make it well-suited for its intended application. It is crafted from materials that offer durability, resistance to a range of chemicals encountered in truck operations, and the ability to withstand varying temperature conditions. These features ensure that the seal remains effective under the demanding conditions typical of commercial truck use 2.

Benefits of Using the 3032787 O-Ring Seal

Utilizing the 3032787 O-Ring Seal provides several advantages, including enhanced sealing efficiency, which helps in maintaining system pressure and preventing leaks. Its longevity ensures that replacements are less frequent, contributing to lower maintenance costs. Additionally, the seal’s reliability enhances the overall system’s dependability, reducing the risk of unexpected failures.

Installation Considerations

Proper installation of the 3032787 O-Ring Seal is vital for its performance and longevity. Guidelines recommend ensuring the groove is clean and free of debris before installation to prevent damage to the seal. Careful handling during installation helps maintain the seal’s integrity, ensuring optimal performance 3.

Troubleshooting Common Issues

Common problems with O-Ring Seals, such as leaks or failures, can often be traced back to installation issues or environmental factors. Troubleshooting steps include inspecting the seal and groove for damage, ensuring proper installation, and considering the operational environment’s impact on the seal’s material.

Maintenance Tips

Regular maintenance of the 3032787 O-Ring Seal involves periodic inspections to check for signs of wear or damage. Conditions such as exposure to extreme temperatures or aggressive chemicals may necessitate earlier replacement. Adhering to recommended inspection intervals helps in identifying issues before they lead to system failures.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history of innovation and commitment to quality, Cummins plays a significant role in the commercial truck industry, providing reliable and efficient engine and component solutions that meet the demanding requirements of commercial transportation.

Cummins Engine O-Ring Seal 3032787

The O-Ring Seal part number 3032787, manufactured by Cummins, is a critical component in various Cummins engine models. This seal is designed to provide a reliable barrier against leaks, ensuring the integrity of the engine’s systems. Below is a detailed overview of how this O-Ring Seal fits into different Cummins engine configurations.

ISM Series Engines

  • ISM CM570
  • ISM CM570/870
  • ISM CM876
  • ISM11 CM876 SN

The O-Ring Seal 3032787 is integral to the ISM series engines, which are known for their robust performance and reliability. This seal is typically used in areas where a tight seal is necessary to prevent fluid or gas leaks, ensuring optimal engine operation.

L10 Series Engines

  • L10 CELECT
  • L10 GAS
  • L10 MECHANICAL

In the L10 series engines, the O-Ring Seal 3032787 plays a crucial role in maintaining the seal integrity of various components. These engines are designed for heavy-duty applications, and the seal ensures that the engine operates efficiently and reliably under demanding conditions.

M11 Series Engines

  • M11 CELECT
  • M11 CELECT PLUS
  • M11 MECHANICAL

The M11 series engines benefit from the O-Ring Seal 3032787, which is used in critical areas to prevent leaks. These engines are known for their versatility and are used in a wide range of applications, from construction to transportation.

QSM11 Series Engines

  • QSM11 CM570
  • QSM11 CM876

In the QSM11 series engines, the O-Ring Seal 3032787 is essential for maintaining the seal integrity of various components. These engines are designed for high-performance applications and require reliable sealing to ensure optimal operation.

ISG12 G Series Engines

  • ISG12 G CMOH6.0 G111

The O-Ring Seal 3032787 is also used in the ISG12 G series engines, where it provides a critical seal to prevent leaks. These engines are designed for specific applications and require reliable sealing to ensure performance and longevity.

By integrating the O-Ring Seal 3032787 into these various engine models, Cummins ensures that each engine operates with maximum efficiency and reliability, minimizing the risk of leaks and maintaining system integrity.

Role of Part 3032787 O-Ring Seal in Engine Systems

The part 3032787 O-Ring Seal is an essential component in ensuring the integrity and efficiency of various engine systems. Its primary function is to provide a reliable seal in areas where fluid or gas transfer occurs, preventing leaks and maintaining system pressure.

Crankcase Breather System

In the crankcase breather system, the O-Ring Seal is utilized to ensure that the breather passages remain sealed. This prevents oil vapors and contaminants from escaping into the atmosphere while allowing fresh air to enter the crankcase, maintaining optimal pressure levels.

Cylinder Block and Cyl Blk Stiffnr Plate

When installed in the cylinder block or cylinder block stiffener plate, the O-Ring Seal helps to create a tight seal around passages and connections. This is vital for preventing oil or coolant leaks, which could lead to engine damage or reduced performance.

Low Engine Gasket Kit and Lower Engine Gasket Set

Within low engine gasket kits and lower engine gasket sets, the O-Ring Seal is often used to seal oil passages and coolant channels. Its role here is to ensure that fluids remain within their designated pathways, enhancing engine reliability and performance.

Lower Engine Set and Overhaul Kit

In lower engine sets and overhaul kits, the O-Ring Seal is a common component for sealing various connections and passages. Its application in these kits ensures that during engine rebuilds or overhauls, all seals are correctly installed to prevent future leaks.

Oil Pan and Oil Pan Kit

The O-Ring Seal is frequently found in oil pans and oil pan kits, where it seals the connection between the oil pan and the engine block. This prevents oil leaks, which are essential for maintaining proper lubrication and preventing engine damage.

Oil Pan Mounting and Oil Suction Connection

For oil pan mounting and oil suction connections, the O-Ring Seal ensures that these critical points are sealed effectively. This is important for maintaining the integrity of the oil system, ensuring that oil is properly circulated and returned to the sump.

Vent Connection

In vent connections, the O-Ring Seal plays a role in sealing passages that allow for the venting of gases or pressure relief. This helps in maintaining a balanced pressure environment within the engine, contributing to overall engine health and performance.

Product Installation Package

Within product installation packages, the O-Ring Seal is included to ensure that all necessary seals are provided for a complete and effective installation. This comprehensive approach helps in achieving a leak-free engine system upon completion of the installation process.

Conclusion

The Cummins 3032787 O-Ring Seal is a vital component in the maintenance and operation of commercial trucks. Its role in preventing leaks, maintaining system pressure, and ensuring the efficient operation of engine systems cannot be overstated. Proper installation, regular maintenance, and understanding its application across various Cummins engine models are key to maximizing the benefits of this part. By integrating this seal into engine systems, Cummins ensures that each engine operates with maximum efficiency and reliability, minimizing the risk of leaks and maintaining system integrity.


  1. Eret, Angelina. Dynamic and Fatigue Assessment of Heavy-Duty Engine Valves. Springer Nature, 2024.

  2. Robinson, Alan, and Livesey, Andrew. The Repair of Vehicle Bodies Fifth Edition. Elsevier, 2006.

  3. Livesey, Andrew. The Repair of Vehicle Bodies. Elevier, 2000.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
1.25 x 1.25 x 0.1 in
Weight
0.002 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.