3042858
O-Ring Seal
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$15.95 $18.98

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 3042858 O-Ring Seal is a component designed for use in heavy-duty truck maintenance and operation. It serves a specific purpose within the truck’s systems, contributing to the overall efficiency and reliability of the vehicle. Understanding its function and significance is important for maintaining the performance and longevity of heavy-duty trucks.

Basic Concepts of O-Ring Seals

An O-Ring Seal is a type of gasket that forms a seal between two or more parts. It is typically made from elastomers and is designed to be seated in a groove. When pressure is applied, the O-Ring deforms to fill the space between the parts, creating a seal that prevents the leakage of fluids or gases. O-Ring Seals are widely used in various mechanical systems due to their effectiveness in providing a reliable seal under different conditions 1.

Purpose of the Cummins 3042858 O-Ring Seal

This Cummins part plays a role in the operation of a truck by ensuring the integrity of seals in specific systems or components. It is associated with areas where fluid or gas containment is necessary to maintain system performance. The seal helps in preventing leaks, which can lead to system inefficiencies or failures.

Key Features

This part is characterized by its material composition, which is selected for durability and resistance to the operating conditions it will encounter. Its design specifications ensure a proper fit within the designated groove, and it may have unique characteristics that enhance its sealing capabilities under specific pressures and temperatures 2.

Benefits of Using the Cummins 3042858 O-Ring Seal

The use of this Cummins part offers several advantages. It provides improved sealing efficiency, which contributes to the overall performance of the truck’s systems. Its durability ensures long-term reliability, reducing the need for frequent replacements. Additionally, the seal’s design contributes to the reliability of the truck’s operations by maintaining system integrity 3.

Installation Considerations

Proper installation of this Cummins part is important for its optimal performance and longevity. Best practices include ensuring the groove is clean and free of debris before installation, using the correct lubrication to facilitate seating, and avoiding damage to the O-Ring during the installation process. Following these guidelines helps in achieving a secure and effective seal.

Common Issues and Troubleshooting

O-Ring Seals, including the Cummins 3042858, can encounter issues such as extrusion, compression set, or chemical degradation. Troubleshooting steps may involve inspecting the seal for signs of wear or damage, checking for proper seating within the groove, and assessing the condition of the surrounding components. Addressing these issues promptly can help in maintaining the seal’s effectiveness.

Maintenance Tips

Regular inspection of this Cummins part is recommended to identify any signs of wear or damage. Maintenance should include checking for proper seating and ensuring that the seal is not subjected to conditions beyond its design specifications. Replacement may be necessary if the seal shows signs of degradation or if system performance is compromised.

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 a diverse product range, Cummins has established a reputation for quality and reliability in the automotive and heavy-duty truck industry. The company’s commitment to excellence is reflected in its products, including the Cummins 3042858 O-Ring Seal.

Compatibility with Various Engines

This O-Ring Seal is designed to fit a variety of engine models, ensuring a secure seal in critical areas. It is compatible with engines such as the Cummins ISG12 G CMOH6.0 G111, ISV (Nissan), ISX CM870, K50, QSK19 CM2350 K105, QSK19 CM2350 K114, QSK19 CM2350 K144G, and QSK19 CM850 MCRS. Its design ensures that it can withstand the high pressures and temperatures typical of these engine models, providing a reliable seal that enhances engine efficiency.

Role of Part 3042858 O-Ring Seal in Engine Systems

This part is integral to the functionality and efficiency of various engine systems. Its application spans across multiple components, ensuring optimal performance and reliability.

Fuel System Integration

In the fuel transfer tube and fuel control module, the O-Ring Seal prevents fuel leaks by creating a tight seal. This is essential for maintaining fuel pressure and ensuring a consistent fuel supply to the engine.

Turbocharger and Air Intake

The O-Ring Seal is utilized in the turbocharger and compressor air inlet systems. Here, it ensures that the air-fuel mixture is delivered without any leaks, enhancing combustion efficiency.

Engine Block and Cylinder Head

Within the engine block and cylinder head, the O-Ring Seal is employed in the lower engine O’ring set and upper engine gasket kit. It plays a key role in sealing the combustion chambers, preventing gas leakage, and ensuring efficient engine operation.

Hydraulic and Ignition Systems

In the hydraulic fittings kit and ignition system, the O-Ring Seal is used to maintain fluid and electrical integrity. It ensures that hydraulic fluids do not leak, and electrical connections remain secure, contributing to the overall reliability of these systems.

Exhaust and Recirculation Systems

For the exhaust recirculation system, the O-Ring Seal is vital in maintaining the seal at various connection points. This helps in reducing emissions by ensuring that recirculated exhaust gases are effectively managed within the system.

Alternative and Design Applications

In alternative engine designs and arrangements, the O-Ring Seal offers a versatile solution for sealing various components. Its adaptability makes it suitable for use in custom or modified engine setups, where standard seals may not fit.

Engine Mounting and Control Modules

The O-Ring Seal is also found in the engine mounting and engine control module. In these applications, it ensures that vibrations are dampened effectively and that electrical connections within the control module remain secure and leak-free.

Plain Pipe Couplings and Air Fuel Control

In plain pipe couplings and the air fuel control plumbing, the O-Ring Seal ensures that connections are tight and secure. This is particularly important in maintaining the correct air-fuel ratio, which is essential for engine performance and efficiency.

Conclusion

The Cummins 3042858 O-Ring Seal is a critical component in maintaining the efficiency and reliability of heavy-duty truck engines. Its proper installation, regular maintenance, and compatibility with various engine models make it an essential part for ensuring optimal engine performance and longevity.


  1. Robinson, A., & Livesey, A. (2006). The Repair of Vehicle Bodies Fifth Edition. Elsevier.

  2. Hilgers, M. (2023). Chassis and Axles. Springer Vieweg.

  3. Van Gelder, K. T. (2018). Fundamentals of Automotive Technology Principles and Practice. Jones Bartlett Learning.

SPECIFICATIONS

Package Dimensions
0.4 x 0.4 x 0.13 in
Weight
0.01 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.