4937987
Flywheel Housing
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$809.95 $963.84

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 Flywheel Enclosure 4937987, manufactured by Cummins, is a component designed for heavy-duty truck engines. Cummins, a well-established name in the commercial truck industry, is known for its commitment to innovation and quality. This Cummins part is significant in the context of heavy-duty engines, contributing to their overall performance and efficiency.

Basic Concepts of Flywheel Enclosures

A flywheel enclosure is a protective housing that encases the flywheel and, in some cases, the dual mass flywheel (DMF) system. Its primary functions include containing the flywheel, reducing noise, and protecting the flywheel from external contaminants. The enclosure integrates with the engine system by providing a secure environment for the flywheel to operate, thereby enhancing the engine’s stability and performance 1.

Purpose of the 4937987 Flywheel Enclosure

The 4937987 Flywheel Enclosure plays a specific role in the operation of a truck by encapsulating the flywheel, which is a critical component in the engine’s power transmission system. This enclosure contributes to engine performance by ensuring the flywheel operates in a controlled environment, reducing noise levels, and enhancing overall efficiency. It also plays a part in maintaining the balance and stability of the engine during operation 2.

Key Features

The 4937987 is constructed from durable materials, ensuring it can withstand the harsh conditions of heavy-duty truck environments. Its design includes precise engineering to fit snugly around the flywheel, providing maximum protection and efficiency. Unique attributes of this enclosure may include advanced noise reduction features and a design that facilitates easy installation and maintenance.

Benefits

Using the 4937987 offers several benefits, such as improved engine durability due to enhanced flywheel protection, reduced maintenance requirements thanks to its robust construction, and enhanced performance through noise reduction and efficient flywheel operation. Cummins’ design may also provide specific advantages, such as increased compatibility with various engine models and improved overall engine efficiency.

Installation Process

Proper installation of the 4937987 involves several steps to ensure it functions correctly. Best practices include verifying the enclosure fits the flywheel specifications, securing it in place without over-tightening, and checking for any gaps that could allow contaminants to enter. Common pitfalls to avoid during installation include improper alignment, which can lead to inefficient flywheel operation, and insufficient tightening, which may result in the enclosure becoming dislodged.

Troubleshooting and Maintenance

Common issues with the 4937987 may include noise increases, which could indicate a loose enclosure, or signs of wear and tear that suggest the need for replacement. Troubleshooting steps involve checking the enclosure’s fit and condition, ensuring it is securely fastened, and inspecting for any damage. Maintenance tips to ensure longevity and optimal performance include regular inspections for wear, cleaning the enclosure to remove any contaminants, and following manufacturer guidelines for any necessary replacements or repairs.

Compatibility and Application

The 4937987 is designed for specific types of trucks and engines, with compatibility extending to various Cummins engine models. Its application is focused on heavy-duty trucks where engine performance and durability are paramount. Understanding the specific compatibility and application details ensures the enclosure is used effectively within the intended engine systems.

Safety Considerations

When working with the 4937987, it is important to observe safety guidelines and precautions. This includes using personal protective equipment (PPE) such as gloves and safety glasses to protect against injuries. Safe handling practices involve ensuring the engine is off and cooled down before beginning any work on the enclosure to prevent burns or other injuries.

Cummins Overview

Cummins Inc. has a long-standing reputation in the commercial truck industry for its innovative engine components and commitment to quality. Founded with a vision to revolutionize the engine industry, Cummins has consistently delivered high-performance, reliable engine parts. Their dedication to innovation is evident in the design and functionality of components like the 4937987, reflecting their ongoing commitment to enhancing engine performance and durability in heavy-duty applications.

Compatibility of 4937987

The 4937987 is designed to fit various Cummins engine models. This part is engineered to ensure proper engine operation by housing and protecting the flywheel, which is essential for the engine’s starting and running functions.

Compatible Engines

  • B6.7 CM2670 B153B
  • B6.7 G CMOH6.0 B125
  • ISB/ISD4.5 CM2150 B119
  • ISB/ISD6.7 CM2150 SN
  • ISBE CM2150
  • ISBE CM800
  • ISBE4 CM850
  • ISD4.5 CM2220 D108
  • QSB6.7 CM850 (CM2850)
  • QSB7 CM2880 B117

Grouping of Compatible Engines

The compatibility of the flywheel enclosure 4937987 spans across several engine families, including:

  • B6.7 Series:

    • B6.7 CM2670 B153B
    • B6.7 G CMOH6.0 B125
  • ISB/ISD Series:

    • ISB/ISD4.5 CM2150 B119
    • ISB/ISD6.7 CM2150 SN
  • ISBE Series:

    • ISBE CM2150
    • ISBE CM800
    • ISBE4 CM850
  • ISD Series:

    • ISD4.5 CM2220 D108
  • QSB Series:

    • QSB6.7 CM850 (CM2850)
    • QSB7 CM2880 B117

This flywheel enclosure is designed to fit seamlessly into these engines, ensuring that the flywheel is securely housed and protected, which is vital for the engine’s performance and longevity.

Role of 4937987 in Engine Systems

The 4937987 is an essential component that interfaces with several key elements within engine systems. Its primary function is to encase and protect the flywheel, ensuring the smooth operation of the engine.

Interaction with Flywheel Housing

The Flywheel Enclosure (4937987) is designed to fit snugly around the Flywheel Housing. This housing is responsible for supporting the flywheel and aligning it with the crankshaft. The enclosure provides an additional layer of protection, shielding the housing from external contaminants and reducing the risk of damage. This integration ensures that the flywheel remains securely in place, contributing to the overall stability and efficiency of the engine.

Relationship with the Housing

In addition to the Flywheel Housing, the enclosure also plays a significant role in relation to the general Housing components of the engine. By enveloping these housings, it helps maintain a clean and debris-free environment. This is particularly important in high-stress applications where dust, dirt, and other particles can adversely affect performance. The enclosure acts as a barrier, enhancing the longevity and reliability of the housing components.

Support for the Flywheel

The flywheel itself is a pivotal part of the engine, responsible for storing rotational energy and smoothing out the power delivery between the engine’s cylinders. The Flywheel Enclosure (4937987) supports the flywheel by providing a secure and stable environment. This ensures that the flywheel can operate without interference from external factors, thereby optimizing the engine’s performance and efficiency.

Conclusion

In summary, the 4937987 Flywheel Enclosure is integral to the proper functioning of the flywheel, flywheel housing, and general housing components within engine systems. Its role in protecting and supporting these elements cannot be overstated, as it contributes significantly to the engine’s overall reliability and performance.


  1. Mollenhauer, Klaus, and Helmut Tschoeke. Handbook of Diesel Engines. Springer, 2010.

  2. Han, Zhiyu. Simulation and Optimization of Internal Combustion Engines. SAE International, 2022.

* 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.