4989517
Coupling Valve
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$63.95 $76.10

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 Bearing Lock Washer Assembly 4989517 is a component designed by Cummins to enhance the operation of commercial trucks. This assembly plays a role in securing bearings within their housings, ensuring they remain in place under various operational conditions. Its significance lies in maintaining the integrity and efficiency of the truck’s mechanical systems, contributing to overall performance and reliability 2.

Basic Concepts

Bearing lock washer assemblies are integral to mechanical systems, serving to secure bearings in their designated positions. These assemblies typically consist of a washer with a locking mechanism, such as a tab or a split design, that engages with the bearing or housing to prevent movement. The construction of these assemblies is crucial, as it must withstand the dynamic forces and vibrations encountered in truck operations while ensuring the bearing remains stable 1.

Purpose and Function

This Cummins part is designed to contribute to the stability and efficiency of the bearing system in truck operations. By securing the bearing in place, it helps maintain proper alignment and reduces the risk of bearing displacement under load. This stability is vital for the smooth operation of the truck’s mechanical components, enhancing performance and longevity 2.

Key Features

The Bearing Lock Washer Assembly 4989517 features a design that includes high-quality materials and precise engineering to ensure optimal performance. Its material composition is selected for durability and resistance to wear, while design elements such as the locking mechanism are crafted to provide a secure fit. Unique characteristics of this assembly may include enhanced locking features or compatibility with specific bearing types, further contributing to its effectiveness 1.

Benefits

The use of the Bearing Lock Washer Assembly 4989517 offers several benefits, including improved bearing stability, which leads to reduced wear and tear on the bearing and associated components. This stability contributes to the enhanced overall performance of the truck’s mechanical system, potentially leading to increased efficiency and reliability. Additionally, by maintaining proper bearing alignment, the assembly helps in minimizing the risk of mechanical failures 2.

Installation and Usage

Proper installation of the Bearing Lock Washer Assembly 4989517 is crucial for ensuring optimal performance and longevity. Recommended procedures include verifying the correct orientation of the washer and ensuring it is properly seated within the bearing housing. Best practices for usage involve regular inspections to confirm the washer remains in place and functions as intended, especially after periods of heavy use or maintenance 1.

Troubleshooting and Maintenance

Common issues with the Bearing Lock Washer Assembly 4989517 may include displacement or damage to the locking mechanism. Troubleshooting these issues involves inspecting the assembly for signs of wear or misalignment and addressing any identified problems promptly. Maintenance tips to prolong the lifespan of the assembly include keeping the bearing and housing clean, ensuring proper lubrication, and replacing the washer if it shows signs of significant wear or damage 2.

Compatibility and Applications

The Bearing Lock Washer Assembly 4989517 is designed for use in various truck models, offering versatility in its applications across different types of commercial vehicles. Its compatibility ensures it can be integrated into existing systems with minimal modifications, making it a valuable component for fleet managers and maintenance professionals 1.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes a wide range of power solutions, including engines, filtration, and emissions technologies. With a history of innovation and a commitment to quality, Cummins has established a reputation for reliability and performance in the automotive industry. The company’s product offerings cater to diverse applications, from on-highway to off-highway and industrial uses, underscoring its expertise in power solutions 2.

Compatibility with Cummins Engines

The Bearing Lock Washer Assembly 4989517, manufactured by Cummins, is a critical component designed to ensure the securement and stability of bearings in various engine configurations. This part is integral to maintaining the operational integrity of the engine by preventing unwanted movement of the bearings, which could lead to mechanical failures.

Compatibility with Specific Engine Models

D4.0 CM2620 D103B and F4.5 CM2620 F139B

The Bearing Lock Washer Assembly 4989517 is compatible with the D4.0 CM2620 D103B and F4.5 CM2620 F139B engines. These engines, while differing in displacement and specific configurations, share a common need for reliable bearing support. The assembly ensures that the bearings remain fixed in their designated positions, contributing to the overall durability and performance of these engines 2.

ISB/ISD4.5 CM2150 B119

The ISB/ISD4.5 CM2150 B119 engines also benefit from the use of the Bearing Lock Washer Assembly 4989517. This part is crucial in maintaining the alignment and stability of the bearings, which is essential for the smooth operation of the engine. The assembly’s design allows it to fit seamlessly into the engine’s architecture, providing a robust solution to bearing retention 1.

ISBE4 CM850

The ISBE4 CM850 engine is another model that is compatible with the Bearing Lock Washer Assembly 4989517. This engine, known for its reliability and performance, requires precise bearing support to function optimally. The assembly’s role in securing the bearings helps to prevent wear and tear, extending the engine’s lifespan 2.

ISD4.5 CM2220 D108

The ISD4.5 CM2220 D108 engine also utilizes the Bearing Lock Washer Assembly 4989517. This part is essential for maintaining the integrity of the engine’s bearings, ensuring that they remain in their correct positions under various operating conditions. The assembly’s design is tailored to fit the specific requirements of this engine model, providing a reliable solution for bearing retention 1.

ISF3.8 CM2220 AN

Lastly, the ISF3.8 CM2220 AN engine is compatible with the Bearing Lock Washer Assembly 4989517. This engine, like the others, relies on the securement of its bearings to operate efficiently and reliably. The assembly’s role in this engine is to provide a stable and secure environment for the bearings, preventing any movement that could compromise the engine’s performance 2.

By ensuring that the bearings are properly secured, the Bearing Lock Washer Assembly 4989517 plays a vital role in the maintenance and longevity of these Cummins engines. Its compatibility across various engine models underscores its importance in the engine’s overall design and functionality.

Role of Part 4989517 Bearing Lock Washer Assembly in Plumbing and Cabin Heater Systems

Plumbing System Integration

In the context of an engine’s plumbing system, the 4989517 Bearing Lock Washer Assembly is instrumental in ensuring the secure attachment of components within the fluid transfer pathways. This assembly is typically employed where shafts or rotating components interface with stationary parts, such as in pump mechanisms or valve operations. By locking the bearing in place, it prevents undue movement that could lead to wear, leakage, or failure of the plumbing components. Its application in the plumbing system enhances the reliability of fluid dynamics, maintaining consistent pressure and flow rates essential for engine performance and longevity 1.

Cabin Heater System Application

Within the cabin heater system, the 4989517 Bearing Lock Washer Assembly plays a significant role in the operation of the blower motor. The blower motor, responsible for circulating air through the heater core and into the cabin, often incorporates rotating shafts that require stabilization. The assembly ensures that the bearings supporting these shafts remain fixed, allowing for smooth and efficient rotation without wobble or excessive friction. This stability is vital for the consistent delivery of heated air to the cabin, enhancing passenger comfort and safety during operation. Additionally, by securing the bearings, the assembly contributes to the longevity of the blower motor, reducing the likelihood of premature wear or failure 2.

Conclusion

The Bearing Lock Washer Assembly 4989517 by Cummins is a critical component in the maintenance and efficiency of commercial truck engines and systems. Its role in securing bearings ensures the stability and longevity of mechanical components, contributing to the overall performance and reliability of the vehicle. Proper installation, regular maintenance, and understanding its compatibility with various engine models are essential for maximizing the benefits of this part.


  1. Crolla, David. Crolla Encyclopedia. Wiley, 2015.

  2. Dixon, John. Modern Diesel Technology: Heating, Ventilation, Air Conditioning, Refrigeration, 2nd Edition. Cengage Learning, 2014.

* 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.