4012569
Main Bearing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1,899.95 $2,260.94

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 4012569 Main Bearing is a component designed for use in heavy-duty truck engines. It plays a role in the engine’s operation by facilitating smooth rotation of the crankshaft and minimizing friction. Understanding its purpose and significance is key to maintaining engine performance and longevity.

Basic Concepts of Main Bearings

Main bearings are integral components in an engine, positioned between the crankshaft and the engine block. Their primary function is to support the crankshaft, allowing it to rotate with minimal friction. This reduces wear on the crankshaft and contributes to the engine’s overall performance and durability. Main bearings are typically made from materials that can withstand high loads and temperatures, ensuring they can operate effectively under the demanding conditions found in heavy-duty engines 1.

Purpose of the Cummins 4012569 Main Bearing

The Cummins 4012569 Main Bearing is specifically engineered to support the crankshaft in heavy-duty truck engines. By providing a low-friction surface, it enables the crankshaft to rotate smoothly, which is crucial for the engine’s efficient operation. This bearing plays a role in reducing the mechanical stress on the crankshaft, thereby contributing to the engine’s reliability and performance 2.

Key Features

The Cummins 4012569 Main Bearing is characterized by its robust design and the use of high-quality materials. It is crafted to endure the high loads and temperatures typical of heavy-duty applications. The bearing’s design includes precision-machined surfaces to ensure a perfect fit and optimal performance. Additionally, it may feature advanced materials or coatings that enhance its durability and resistance to wear 3.

Benefits of Using Cummins 4012569 Main Bearing

Incorporating the Cummins 4012569 Main Bearing into a truck engine can lead to several advantages. These include improved engine efficiency due to reduced friction, decreased wear and tear on the crankshaft, and enhanced engine durability. The bearing’s design and materials contribute to these benefits, making it a valuable component for maintaining engine performance over time 4.

Installation Process

Installing the Cummins 4012569 Main Bearing requires careful attention to detail to ensure proper fitting and function. The process involves cleaning the bearing surfaces, applying the appropriate lubricant, and positioning the bearing in the engine block. It is important to use the correct tools and follow manufacturer guidelines to avoid damage and ensure the bearing operates as intended.

Maintenance and Troubleshooting

Regular maintenance of the Cummins 4012569 Main Bearing is important for prolonging its lifespan and ensuring engine reliability. This includes periodic inspections for signs of wear or damage, such as unusual noises or vibrations, which may indicate bearing failure. Addressing these issues promptly can prevent more severe engine damage. Additionally, following the manufacturer’s recommendations for lubrication and operating conditions can help maintain the bearing’s performance 5.

Cummins: A Brief Overview

Cummins Inc. is a well-established manufacturer in the automotive and heavy-duty truck industry, known for its high-quality components and engines. With a history of innovation and commitment to excellence, Cummins has built a reputation for producing reliable and efficient parts that meet the demanding requirements of heavy-duty applications. The company’s dedication to quality and performance is evident in its wide range of products, including the Cummins 4012569 Main Bearing.

Role of Part 4012569 Main Bearing in Engine Systems

The Cummins part 4012569, a Main Bearing, is a component that ensures the crankshaft’s smooth operation within the engine block, supports the loads exerted during engine operation, and contributes to the overall efficiency and durability of the engine system 6.

Conclusion

The Cummins 4012569 Main Bearing is a critical component in the maintenance and performance of heavy-duty truck engines. Its design and materials are tailored to withstand the demanding conditions of such engines, ensuring smooth operation, reduced friction, and enhanced durability. Regular maintenance and proper installation are essential for maximizing the benefits of this bearing.


  1. Reif, Konrad Ed. Fundamentals of Automotive and Engine Technology: Standard Drives, Hybrid Drives, Brakes, Safety Systems. Springer Vieweg, 2014.

  2. Khajepour, Amir. Synthesis Lectures on Advances in Automotive Technology. Springer, 2023.

  3. Watson, Ben. Mobile Equipment Hydraulics A Systems and Troubleshooting Approach. Cengage Learning, 2011.

  4. Wang, Yushu. Introduction to Engine Valvetrains. SAE International, 2007.

  5. Cummins Inc. Owners Manual for ISF2.8 CM2220 AN and. Bulletin Number 4022266.

  6. Cummins Inc. Owners Manual for ISF2.8 CM2220 AN and. Bulletin Number 4022266.

SPECIFICATIONS

Notes
Lower
Package Dimensions
18.7 x 9.3 x 5.5 in
Weight
0.566 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.