4991107
Debris Shield
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$3.19 $3.80

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 4991107 Debris Shield is a component designed to safeguard truck engines from external contaminants. Its primary role is to protect the engine from road debris, dirt, and other potential hazards that could cause damage or reduce efficiency. By integrating seamlessly into the truck’s engine protection system, the debris shield helps maintain engine performance and longevity 1.

Purpose and Function

The Debris Shield serves to protect the engine from various external contaminants. It acts as a barrier, preventing road debris, dirt, and other particles from entering sensitive engine components. This protection is vital for maintaining the engine’s efficiency and reliability. The debris shield is designed to work in conjunction with other engine protection components, ensuring comprehensive coverage against potential damage 2.

Key Features

This Cummins part is engineered with several key features that enhance its performance and durability. It is constructed from high-quality materials that offer resistance to wear and corrosion. The design of the shield ensures it fits securely in place, providing maximum coverage for the engine. Additionally, it features a robust construction that can withstand the harsh conditions often encountered in heavy-duty truck operations 3.

Benefits

Installing the 4991107 Debris Shield offers several advantages. It contributes to improved engine longevity by reducing the risk of damage from external contaminants. This, in turn, can lead to reduced maintenance costs over time. Furthermore, the shield helps maintain optimal engine performance by ensuring that sensitive components remain clean and free from debris. Overall, the debris shield is a valuable addition to any truck’s engine protection system 4.

Installation Process

Proper installation of the Debris Shield is crucial for ensuring its effectiveness. The process involves several steps:

  1. Prepare the engine area by cleaning it thoroughly to remove any existing debris.
  2. Position the debris shield according to the manufacturer’s instructions, ensuring it aligns correctly with the engine components.
  3. Secure the shield in place using the provided fasteners, making sure it is firmly attached.
  4. Inspect the installation to confirm that the shield is properly fitted and there are no gaps or misalignments.

Maintenance and Care

Regular maintenance and care of the Debris Shield are important for ensuring its continued effectiveness. This includes:

  • Periodically inspecting the shield for signs of wear or damage.
  • Cleaning the shield to remove any accumulated dirt or debris.
  • Ensuring that the fasteners remain tight and secure.

Troubleshooting Common Issues

Common issues with the Debris Shield may include:

  • Misalignment or improper fitting, which can be addressed by re-positioning and re-securing the shield.
  • Wear or damage to the shield, which may require replacement or repair. Regular inspections and maintenance can help identify and resolve these issues promptly.

Manufacturer Information

Cummins is a renowned manufacturer with a strong reputation in the automotive and heavy-duty truck industry. The company is known for its commitment to quality and innovation in engine components. Cummins’ history of producing reliable and high-performance parts makes it a trusted name among truck operators and maintenance professionals.

Compatibility with Cummins Engines

The Debris Shield, identified by part number 4991107, is designed to fit a variety of Cummins engines, providing protection against debris and contaminants that can cause damage. This part is particularly crucial for maintaining engine efficiency and longevity. Here are the engines that are compatible with this debris shield:

  • 6C8.3
  • ISBE CM2150
  • ISBE4 CM850
  • ISL9 CM2150 SN
  • ISL9.5 CM2880 L138
  • L8.9
  • L8.9G CMOH2.0 L125B
  • L9 CM2670 L128B

For the ISBE and ISL series engines, the debris shield is engineered to fit seamlessly, ensuring that the engine remains protected from external elements that could lead to wear and tear. Similarly, for the L series engines, this part is designed to integrate effectively, safeguarding the engine’s internal components.

The debris shield is a critical component for maintaining the operational integrity of these engines, especially in environments where debris and contaminants are prevalent. Its compatibility across multiple engine models underscores its versatility and importance in engine maintenance.

Role of Part 4991107 Debris Shield in Engine Systems

The Debris Shield, identified by part number 4991107, is an integral component in safeguarding various engine systems from external contaminants. Its primary function is to protect sensitive engine components by intercepting and deflecting debris that could potentially cause damage or reduce efficiency.

Integration with Front Engine Support

When installed in conjunction with the Front Engine Support, the Debris Shield enhances the overall durability and longevity of the engine assembly. The Front Engine Support is responsible for maintaining the engine’s position within the vehicle’s chassis, ensuring stability during operation. The Debris Shield complements this by providing an additional layer of protection against road debris, which can otherwise lead to wear and tear on the support structure itself.

Interaction with Engine Support Components

In scenarios where multiple support components are utilized, such as additional engine mounts or braces, the Debris Shield plays a supportive role by minimizing the risk of damage to these elements. This is particularly important in high-stress environments where the engine is subjected to vibrations and impacts. The shield helps maintain the integrity of the support system, thereby ensuring consistent engine performance.

Front Engine Protection

At the forefront of the engine compartment, the Debris Shield is strategically positioned to guard the Front Engine area. This region often houses critical components such as the radiator, intercooler, and various sensors. By preventing debris from reaching these parts, the shield contributes to the sustained functionality and reliability of the engine’s cooling and sensor systems.

Overall Engine Health

In summary, the Debris Shield (part 4991107) works in tandem with the Front Engine Support and other support components to create a robust defense mechanism for the engine. This collaborative effort not only protects individual parts but also promotes the overall health and efficiency of the engine system.

Conclusion

The Cummins 4991107 Debris Shield is a vital component in the protection and maintenance of truck engines. Its role in safeguarding sensitive engine components from external contaminants contributes to improved engine longevity, reduced maintenance costs, and optimal engine performance. Proper installation, regular maintenance, and timely troubleshooting are essential for ensuring the effectiveness of this part. With its compatibility across various Cummins engines and its integration with other engine support components, the Debris Shield plays a crucial role in maintaining the overall health and efficiency of the engine system.


  1. Happian-Smith, Julian. An Introduction to Modern Vehicle Design. Butterworth-Heinemann, 2002.

  2. Taghavifar, Hamid, and Aref Mardani. Offroad Vehicle Dynamics Analysis Modelling and Optimization. Springer, 2017.

  3. Pulkrabek, Willard W. Engineering Fundamentals of the Internal Combustion Engine. Pearson Education, 2014.

  4. Cummins Inc. Owners Manual for B6.7 CM2350 B121B. Bulletin Number 5411225.

* 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.