3935409
Grommet Seal
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$10.95 $13.03

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 3935409 Grommet Seal is a component designed to enhance the operation of commercial trucks. It serves a specific purpose within the truck’s system, contributing to the overall efficiency and reliability of the vehicle. Understanding its role and significance can help in maintaining the truck’s performance and longevity.

Basic Concepts of Grommet Seals

Grommet seals are components used in mechanical systems to provide a barrier between different parts, preventing the ingress of contaminants and the escape of fluids or gases 1. They play a role in maintaining the integrity and efficiency of various components by ensuring that seals remain intact under operational conditions. Grommet seals are typically made from materials that can withstand the environmental and mechanical stresses encountered in their applications.

Purpose of the 3935409 Grommet Seal

The 3935409 Grommet Seal is specifically designed to seal and protect critical areas within a truck’s system. It plays a role in preventing leaks and ensuring that components operate within their designed parameters. By providing a secure seal, it helps maintain the efficiency of the system and protects sensitive parts from damage due to exposure to contaminants or excessive wear.

Key Features

The 3935409 Grommet Seal is characterized by several key features that enhance its performance. These include its material composition, which is selected for durability and resistance to the operational environment, and its design specifications, which ensure a precise fit and effective sealing 2. Additionally, any unique attributes, such as reinforced edges or specialized coatings, contribute to its overall effectiveness.

Benefits of Using the 3935409 Grommet Seal

Utilizing the 3935409 Grommet Seal offers several advantages. These include improved durability, which reduces the frequency of replacements and maintenance, and enhanced sealing capabilities, which contribute to the overall efficiency of the system 3. Its design and material properties also play a role in ensuring that the seal remains effective under a range of operational conditions.

Installation Process

Proper installation of the 3935409 Grommet Seal is crucial for its effective function. The process involves several steps, including preparing the area for installation, ensuring the seal is correctly positioned, and using any necessary tools to secure it in place. Following the manufacturer’s guidelines ensures that the seal fits correctly and functions as intended.

Common Issues and Troubleshooting

Grommet seals, including the 3935409, may encounter issues such as leaks or wear over time. Identifying these problems early and addressing them through troubleshooting methods can help maintain the seal’s effectiveness. Common troubleshooting steps may include inspecting the seal for damage, ensuring it is correctly installed, and replacing it if necessary.

Maintenance Tips

Regular maintenance of the 3935409 Grommet Seal is important for ensuring its longevity and optimal performance. This includes periodic inspections to check for signs of wear or damage, and following replacement guidelines to ensure that the seal continues to provide effective protection and sealing. Adhering to these maintenance practices helps in preventing unexpected failures and maintaining the truck’s operational efficiency.

Cummins: A Brief Overview

Cummins Inc. is a well-established company in the commercial truck industry, known for its commitment to quality and innovation. With a diverse product range and a strong reputation for reliability, Cummins plays a significant role in the development and maintenance of commercial vehicles. Its products, including the 3935409 Grommet Seal, are designed with a focus on enhancing the performance and durability of trucks.

Engine Compatibility for Grommet Seal Part 3935409 by Cummins

The Grommet Seal part 3935409, manufactured by Cummins, is a critical component designed to ensure the sealing integrity of various engine systems. This part is essential in preventing leaks and maintaining the operational efficiency of the engine. Below is a detailed description of how this part fits with the specified engines.

Cummins 4B3.9 Engine

In the Cummins 4B3.9 engine, the Grommet Seal part 3935409 plays a vital role in sealing connections between different parts of the engine. This seal ensures that there are no leaks in the system, which is crucial for maintaining the engine’s performance and longevity. It is typically used in areas where pipes or hoses connect to the engine block, providing a barrier against oil, coolant, and other fluids.

Cummins B4.5 Engine

Similarly, in the Cummins B4.5 engine, the Grommet Seal part 3935409 is utilized to create a secure seal at various connection points. This seal is essential for preventing the escape of engine fluids and gases, which can lead to performance issues and potential damage if not properly contained. The seal’s design allows it to withstand the high pressures and temperatures typically found within the engine environment.

Grouping of Engines

Both the Cummins 4B3.9 and B4.5 engines benefit from the use of the Grommet Seal part 3935409 in similar ways. The seal’s primary function is to maintain the integrity of the engine’s sealing system, ensuring that all connections are tight and secure. This is particularly important in high-performance and heavy-duty applications where the engine is subjected to significant stress and varying operating conditions.

By using this seal, engine manufacturers can ensure that the engine operates efficiently and reliably, reducing the risk of leaks and other issues that can arise from poor sealing. The compatibility of the Grommet Seal part 3935409 with both the Cummins 4B3.9 and B4.5 engines underscores its importance in maintaining the overall health and performance of these engines.

Role of Part 3935409 Grommet Seal in Engine Systems

The 3935409 Grommet Seal is an essential component in ensuring the efficient and reliable operation of various engine systems. Its primary function is to provide a secure and leak-proof seal in areas where different engine components interface.

In the arrangement of engine components, the Grommet Seal plays a significant role in maintaining the integrity of fluid pathways. It ensures that oils, coolants, and other fluids do not leak out, which could lead to engine damage or reduced performance.

When installed in the cam follower cover, the Grommet Seal helps to keep lubricants within the cover, ensuring that the cam followers operate smoothly and without excessive wear. This is particularly important in high-performance engines where precision and durability are paramount.

In the context of the cover itself, whether it be a valve cover or another type, the Grommet Seal prevents contaminants from entering the engine. This is vital for maintaining clean oil and preventing debris from causing damage to internal components.

For the cam follower, the Grommet Seal ensures that the lubrication system remains effective. Proper lubrication is essential for the cam follower to function correctly, reducing friction and wear over time.

In the lower engine gasket set, the Grommet Seal contributes to the overall sealing strategy of the engine. It works in conjunction with other gaskets to create a robust barrier against leaks, ensuring that the lower end of the engine remains well-lubricated and cool.

Lastly, in the noise isolator, the Grommet Seal helps to maintain the effectiveness of the isolation system. By preventing fluid leaks and ensuring a tight seal, it contributes to reducing engine noise and vibration, leading to a smoother and more comfortable operation.

Conclusion

The Cummins 3935409 Grommet Seal is a critical component in the maintenance and operation of commercial trucks and engines. Its role in preventing leaks, maintaining fluid integrity, and ensuring the durability of engine components underscores its importance in the automotive industry. Proper installation, regular maintenance, and understanding its compatibility with specific engine models are key to maximizing the benefits of this part.


  1. Sobey, Ed. A Field Guide to Automotive Technology. Chicago Review Press, 2009.

  2. Bosch, Robert. Bosch Automotive Handbook 9th Edition. Robert Bosch GmbH, 2014.

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

SPECIFICATIONS

Package Dimensions
1.0 x 1.0 x 0.125 in
Weight
0.2 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.