3933261
Dust Shield
Cummins®

AVAILABLE

Cummins®

5 are currently available

Ships within 2-4 business days

$38.95 $46.35

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 3933261 Dust Shield is a component designed to enhance the durability and efficiency of heavy-duty trucks. It serves a protective role, safeguarding various mechanical components from environmental contaminants. Understanding its purpose and significance is vital for maintaining and optimizing the performance of heavy-duty trucks 1.

Basic Concepts of Dust Shields

A dust shield is a protective barrier that prevents dust, dirt, and other particulates from entering sensitive mechanical areas. It operates by creating a physical barrier that reduces the amount of debris that can accumulate on moving parts, thereby maintaining the integrity and functionality of the components it protects 2.

Purpose of the Cummins 3933261 Dust Shield

The Cummins 3933261 Dust Shield is specifically designed to protect certain components within a truck’s system. It plays a role in shielding these parts from harsh environmental conditions, which can lead to wear and tear. This protection is particularly beneficial in environments where trucks are exposed to high levels of dust and debris, such as construction sites or off-road conditions 3.

Key Features

The Cummins 3933261 Dust Shield is constructed from durable materials that offer resistance to wear and environmental factors. Its design includes specific elements that enhance its protective capabilities, such as precise fitting to ensure effective coverage of the components it is intended to protect. Additionally, it may feature unique attributes that improve its functionality in demanding conditions.

Benefits of Using the Cummins 3933261 Dust Shield

Incorporating the Cummins 3933261 Dust Shield into a truck’s system can lead to several advantages. These include extended component longevity due to reduced exposure to contaminants, decreased maintenance requirements as a result of improved component protection, and enhanced overall truck performance through the maintenance of optimal operating conditions for protected components.

Installation Considerations

When installing the Cummins 3933261 Dust Shield, it is important to follow guidelines and best practices to ensure proper fitting and functionality. This may involve preparatory steps such as cleaning the area where the shield will be installed, using specific tools for attachment, and avoiding common pitfalls like improper alignment or insufficient securing.

Troubleshooting Common Issues

Common problems associated with dust shields can include damage from impacts or wear, as well as issues arising from improper installation. Troubleshooting these problems may involve inspecting the shield for signs of damage, ensuring it is correctly installed, and making any necessary adjustments or replacements to maintain its protective function.

Maintenance Tips

Regular maintenance of the Cummins 3933261 Dust Shield is important for ensuring its continued effectiveness. This may include routine inspections to check for signs of wear or damage, cleaning the shield to remove accumulated debris, and considering replacement if the shield shows significant signs of deterioration or if it no longer fits properly.

Cummins Corporation Overview

Cummins Inc. is a well-established company in the automotive and heavy-duty truck industry, known for its wide range of products and strong reputation for quality and reliability. The company’s history is marked by innovation and a commitment to meeting the needs of its customers through high-quality components and systems.

Dust Shield Part 3933261 Compatibility with Cummins Engines

The Dust Shield part number 3933261 is designed to fit a variety of Cummins engines, providing essential protection and functionality across different engine models. Here’s how this part integrates with specific Cummins engine series:

4B3.9 and 6B5.9 Engines

The Dust Shield part 3933261 is compatible with the 4B3.9 and 6B5.9 engines, ensuring that the engine components are shielded from dust and debris. This is particularly important in maintaining the longevity and efficiency of these engines, which are often used in demanding industrial and commercial applications.

B4.5 and B5.9 G Engines

For the B4.5 and B5.9 G engines, the Dust Shield part 3933261 is engineered to fit seamlessly, protecting the internal components from contaminants. This is crucial for engines that operate in environments where dust and dirt can significantly impact performance and reliability.

B5.9 GAS PLUS CM556 Engine

The Dust Shield part 3933261 is also suitable for the B5.9 GAS PLUS CM556 engine. This part ensures that the engine’s sensitive components are protected, which is vital for maintaining optimal performance and extending the engine’s lifespan.

ISB CM850 Engine

In the ISB CM850 engine, the Dust Shield part 3933261 plays a key role in protecting the engine from dust and other particulates. This is especially important for engines used in heavy-duty applications where exposure to contaminants is high.

QSB3.9 30 CM550, QSB5.9 30 CM550, and QSB5.9 44 CM550 Engines

The Dust Shield part 3933261 is also compatible with the QSB3.9 30 CM550, QSB5.9 30 CM550, and QSB5.9 44 CM550 engines. These engines benefit from the protective features of the dust shield, ensuring that the internal components remain clean and free from debris, which is essential for maintaining performance and reliability in various operational conditions.

Role of Part 3933261 Dust Shield in Engine Systems

The part 3933261 Dust Shield is an essential component in maintaining the integrity and performance of various engine systems. When integrated with the Front Seal Service Kit, the Dust Shield helps to prevent contaminants from entering the seal area, thereby prolonging the service life of the front seal and ensuring a tight, reliable seal.

In conjunction with the Fuel Pump Conversion Kit, the Dust Shield acts as a barrier against debris that could otherwise interfere with the fuel pump’s operation. This is particularly important in high-debris environments where the fuel pump is susceptible to wear and performance issues.

The Lower Engine Gasket Kit and Lower Engine Gasket Set benefit from the inclusion of the Dust Shield by maintaining a clean environment around the gaskets. This reduces the risk of gasket failure due to abrasive particles, ensuring a consistent and reliable seal between engine components.

When part of an Overhaul Kit or Rebuild Kit, the Dust Shield plays a significant role in protecting newly installed or refurbished components from environmental contaminants. This is vital for the longevity and performance of the engine post-overhaul or rebuild.

Overall, the Dust Shield is a simple yet effective component that enhances the durability and reliability of engine systems by providing a protective barrier against dust and debris.

Conclusion

The Cummins 3933261 Dust Shield is a critical component for maintaining the performance and longevity of heavy-duty truck engines. By providing a protective barrier against dust and debris, it ensures that sensitive engine components remain clean and functional, thereby reducing maintenance requirements and enhancing overall truck performance. Proper installation, regular maintenance, and understanding its compatibility with various Cummins engines are key to maximizing the benefits of this part.


  1. Owen C Duffy and Gus Wright, Fundamentals of Medium-Heavy Duty Commercial Vehicle Systems (Jones Bartlett Learning, 2016).

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

  3. Tom Denton and Hayley Pells, Automotive Technician Training, Second Edition (Routledge, 2022).

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SPECIFICATIONS

Service Part Topic
99T1-24
Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
6.0 x 4.0 x 0.15 in
Weight
0.02 lbs
* 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.