3026393
O Ring Seal
Cummins®

IN STOCK

Cummins®

More than 10 are currently available

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$23.95 $28.50

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

Introduction

The Cummins 3026393 O Ring Seal is a vital component in heavy-duty truck maintenance and operation. It ensures the integrity of fluid and gas containment within the truck’s systems, preventing leaks and maintaining system efficiency 2.

Basic Concepts of O Ring Seals

O Ring Seals are elastomeric rings with a circular cross-section, designed to create seals between mating parts by being compressed within a groove. They are widely used in mechanical systems for their simplicity, effectiveness, and versatility 3.

Role of the 3026393 O Ring Seal in Truck Operation

This Cummins part ensures the sealing integrity of certain systems or components in heavy-duty trucks, particularly in fluid systems where maintaining a seal is crucial for system performance, such as in hydraulic or fuel systems 2.

Key Features of the 3026393 O Ring Seal

The 3026393 is characterized by its material composition, designed to withstand operational stresses and environmental conditions in heavy-duty truck applications. Its dimensions and design are tailored to fit specific grooves and applications, ensuring a proper seal 1.

Benefits of Using the 3026393 O Ring Seal

Utilizing this part offers improved sealing performance, contributing to system efficiency and preventing leaks. Its durability ensures long-term reliability, reducing the need for frequent replacements and enhancing the overall safety and efficiency of the truck’s operation 2.

Installation and Maintenance Guidelines

Proper installation of the 3026393 is crucial for its effectiveness. It should be installed in a clean, undamaged groove. Regular inspection for wear or damage and timely replacement are essential to maintain system integrity 3.

Troubleshooting Common Issues

Common issues with O Ring Seals, including leaks, may be due to improper installation, wear and tear, or exposure to incompatible fluids. Troubleshooting involves inspecting the seal and its groove for damage, ensuring proper installation techniques, and selecting the appropriate seal material for the application 1.

Cummins: A Brief Overview

Cummins Inc. is a global leader in designing, manufacturing, and distributing engines, filtration, and power generation products. The company’s commitment to quality and reliability is reflected in its products, including the 3026393 O Ring Seal, which meets the high standards required for heavy-duty truck applications 2.

Compatibility of Cummins O Ring Seal 3026393

The 3026393 is designed to fit a variety of Cummins engines, ensuring a secure seal in various applications:

  • GTA38 G CMEICS G116C: Provides a reliable seal in demanding conditions.
  • ISX CM570, K38, K50, KTA38GC CM558: Ensures optimal performance and longevity.
  • N14 CELECT PLUS, N14 MECHANICAL: Enhances sealing capabilities.
  • QSK38 CM2150 MCRS, QSK38 CM850 MCRS: Maintains pressure and prevents leaks.
  • QSK50 CM2150 K107, QSK50 CM2150 MCRS: Ensures efficient sealing and operational reliability.
  • QSK60 G CM2358 K110, X12 CM2350 X119B: Provides a tight seal, crucial for engine efficiency and performance.

Role of Part 3026393 O Ring Seal in Engine Systems

This part is integral to the functionality and efficiency of various engine components, ensuring optimal operation across multiple systems.

Lubrication System

In components like the lubricating oil pump and lubricating oil suction tube, the O Ring Seal prevents oil leaks, maintaining consistent oil pressure and flow, which is vital for the proper lubrication of moving parts 2.

Oil Management

It is used in the oil filler tube and oil fill arrangement to create a tight seal, preventing oil spills during the filling process. In the oil pan and oil transfer tube, it ensures that oil is contained within the system 3.

Filtration and Maintenance

Within the lube oil filter head and filter head plunger, the seal maintains the integrity of the filtration process, ensuring that oil passes through the filter media as intended 1.

Assembly and Gaskets

In components like the lower engine gasket kit and lower engine gasket set, the O Ring Seal provides an additional layer of sealing where precision is required 2.

Connection Points

At connection points such as the conn to pump mtg and conn to transfer tube mtg, the seal ensures that connections remain secure and leak-free 3.

Specialized Components

In more specialized components like the rocker lever cover and valve cover, the O Ring Seal helps in maintaining a clean environment for the operation of these parts 1.

Turbocharging and EBM-PAN

For the turbocharger and EBM-PAN, the seal maintains the integrity of the oil supply to these high-performance components, ensuring they receive the necessary lubrication for efficient operation 2.

Overhaul and Maintenance Kits

In overhaul kits and PDC, the O Ring Seal is often included to facilitate the replacement of worn seals during maintenance, ensuring that the engine can be restored to its original efficiency 3.

Conclusion

The 3026393 O Ring Seal plays a multifaceted role in engine systems, contributing to the reliability, efficiency, and longevity of the engine by ensuring proper sealing in a variety of applications. Its compatibility with a wide range of Cummins engines underscores its importance in maintaining the performance and safety of heavy-duty trucks.


  1. Ed Sobey, A Field Guide to Automotive Technology, Chicago Review Press, 2009.

  2. Daniel Williams, Generalized Vehicle Dynamics, SAE International, 2022.

  3. Alma Hillier, Fundamentals of Motor Vehicle Technology Book 1 6th Edition, Oxford University Press, 2014.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
6.3 x 4.0 x 0.27 in
Weight
0.02 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.