3049137
Main Bearing Cap
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$3,499.95 $4,164.94

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

Introduction

The Cummins 3049137 Main Bearing Cap is a critical component designed for use in heavy-duty truck engines. It ensures the smooth operation and durability of the engine by supporting the crankshaft and securing the main bearings. Understanding its purpose and significance is essential for maintaining engine efficiency and longevity.

Basic Concepts of Main Bearing Caps

A main bearing cap is a part of the engine that secures the main bearings in place. These caps work in conjunction with the crankshaft, providing a stable and secure environment for the bearings to operate. The main bearings, in turn, support the crankshaft, allowing it to rotate smoothly within the engine block. The interaction between the main bearing cap, main bearings, and crankshaft is crucial for the engine’s overall performance and stability 1.

Purpose of the Cummins 3049137 Main Bearing Cap

The Cummins 3049137 Main Bearing Cap plays a role in supporting the crankshaft by securing the main bearings. This support is fundamental to maintaining engine stability and ensuring that the crankshaft operates within precise tolerances. The cap helps distribute the loads exerted by the crankshaft, reducing wear and tear on the bearings and other engine components.

Key Features

The Cummins 3049137 Main Bearing Cap is engineered with specific features to enhance its performance and durability. It is constructed from high-quality materials that offer resistance to wear and corrosion. The design specifications ensure a precise fit, which is critical for the proper functioning of the main bearings and crankshaft. Additionally, the cap may include features such as oil passages to facilitate lubrication, which is vital for reducing friction and heat 2.

Benefits

Using the Cummins 3049137 Main Bearing Cap can lead to improved engine reliability and performance. The cap’s design and material composition contribute to the longevity of the engine components by providing stable support and efficient load distribution. Enhanced lubrication through the cap’s oil passages can also reduce friction, leading to smoother engine operation.

Installation Process

Installing the Cummins 3049137 Main Bearing Cap requires careful attention to detail. The process involves securing the cap to the engine block using the appropriate fasteners. It is important to use the correct tools and follow best practices to ensure that the cap is fitted correctly. This includes torquing the fasteners to the manufacturer’s specifications to avoid over-tightening or under-tightening, which could affect the cap’s performance.

Troubleshooting Common Issues

Common problems associated with main bearing caps include wear, misalignment, or failure. These issues can often be identified through routine inspections and diagnostic checks. Troubleshooting may involve examining the cap and bearings for signs of wear, ensuring proper alignment, and verifying that the fasteners are torqued correctly. Addressing these issues promptly can help prevent more significant engine problems.

Maintenance Tips

To ensure the optimal performance and longevity of the Cummins 3049137 Main Bearing Cap, regular maintenance is recommended. This includes inspecting the cap and associated components during routine engine servicing. Cleaning the cap and ensuring that lubrication pathways are clear can help maintain efficient operation. Replacement guidelines should be followed to ensure that worn or damaged caps are replaced in a timely manner.

Cummins Overview

Cummins Inc. is a well-established company in the automotive industry, known for its high-quality engine components. With a history of innovation and a commitment to excellence, Cummins has built a reputation for producing reliable and durable parts. The company’s focus on quality and performance is evident in its range of engine components, including the Cummins 3049137 Main Bearing Cap.

Role of Part 3049137 Main Bearing Cap in Engine Systems

The part 3049137 Main Bearing Cap is an integral component in the assembly and operation of various engine systems. It is specifically designed to work in conjunction with the Base Parts and the Block to ensure the smooth functioning of the engine.

When integrating with the Cylinder and Cylinder Block, the Main Bearing Cap provides essential support and stability. It secures the main bearings in place, which are responsible for reducing friction between the crankshaft and the engine block. This is particularly important in the Cylinder Block Kit and Cylinder Service Block, where precision and durability are paramount.

In the context of the Cylinder Short Block and Parts Base, the Main Bearing Cap plays a significant role in maintaining the alignment and integrity of the crankshaft. It ensures that the crankshaft operates within specified tolerances, thereby enhancing the overall performance and longevity of the engine.

Furthermore, in the Short Block Engine Kit and Short Block Kit, the Main Bearing Cap is a key element that contributes to the structural integrity of the engine. It helps in distributing the loads evenly across the engine block, preventing undue stress on any single component.

Overall, the part 3049137 Main Bearing Cap is a fundamental component that works seamlessly with various engine systems to ensure optimal performance and reliability.

Conclusion

The Cummins 3049137 Main Bearing Cap is a vital component in heavy-duty truck engines, ensuring the smooth operation and durability of the engine. Its design and features contribute to engine stability, efficient load distribution, and reduced friction. Regular maintenance and proper installation are essential for maximizing the performance and longevity of this part.


  1. Vaclav Smil, The History and Impact of Diesel Engines and Gas Turbines, The MIT Press, 2010.

  2. Dominique Bonneau, Aurelian Fatu, and Dominique Souchet, Internal Combustion Engine Bearings Lubrication in Hydrodynamic Bearings, Wiley-ISTE, 2014.

SPECIFICATIONS

Notes
No. 2
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
8.4 x 7.9 x 2.25 in
Weight
6.7 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.