3904325
Seal Installation Tool
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$1.89 $2.25

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 3904325 Seal Installation Tool is a specialized instrument designed for the precise installation and maintenance of seals in heavy-duty truck engines. This tool plays a role in ensuring that seals are correctly positioned and secured, which is vital for the optimal performance and longevity of the engine. Its role in facilitating efficient and accurate seal installation underscores its significance in the maintenance and repair processes of heavy-duty trucks.

Purpose and Functionality

The Cummins 3904325 Seal Installation Tool is engineered to assist in the installation and maintenance of seals within heavy-duty truck engines. It operates by providing a controlled and consistent method for placing seals, which helps in achieving a proper fit and seal integrity. This tool is important for ensuring that seals are installed correctly, which contributes to the engine’s efficiency, reliability, and overall performance 4.

Key Features

The Cummins 3904325 Seal Installation Tool boasts several key features that enhance its performance and usability. These include a robust design that ensures durability under demanding conditions, materials selected for their strength and resistance to wear, and ergonomic elements that facilitate ease of use. Additionally, the tool may incorporate unique characteristics such as adjustable components to accommodate various seal sizes and types, ensuring versatility in application 1.

Benefits of Using the 3904325 Seal Installation Tool

Utilizing the Cummins 3904325 Seal Installation Tool offers several advantages. It improves the efficiency of the seal installation process, reducing the time required for each installation. This can lead to significant time savings, especially in fleet operations where multiple seals may need replacement. Furthermore, the tool enhances seal performance by ensuring a precise fit, which can contribute to better engine performance and reliability. Potential cost savings for fleet operators are also a notable benefit, as proper seal installation can prevent engine damage and reduce the need for frequent repairs 2.

Step-by-Step Usage Instructions

To use the Cummins 3904325 Seal Installation Tool, begin by ensuring the engine component is clean and free of debris. Select the appropriate settings on the tool to match the seal being installed. Carefully position the seal using the tool, following the manufacturer’s guidelines for alignment and pressure application. Complete the installation by securing the seal in place as directed. Throughout the process, observe all safety precautions, including wearing appropriate personal protective equipment and ensuring the work area is well-ventilated 5.

Common Applications

The Cummins 3904325 Seal Installation Tool is commonly used in various scenarios involving the maintenance and repair of heavy-duty truck engines. It is compatible with a range of seals and engine components, making it a versatile tool for professionals working in this field. Typical applications include the installation of oil seals, gaskets, and other sealing components in diesel engines 3.

Troubleshooting and Maintenance

When using the Cummins 3904325 Seal Installation Tool, common issues may include misalignment of seals or difficulty in achieving a proper fit. These can often be resolved by adjusting the tool settings or ensuring the engine component is prepared correctly. Regular maintenance of the tool, such as cleaning and inspecting for wear, is recommended to ensure its longevity and optimal performance 4.

Safety Considerations

Safety is paramount when using the Cummins 3904325 Seal Installation Tool. Always follow the manufacturer’s safety instructions, which may include wearing protective gloves and eyewear, ensuring the work area is well-ventilated, and keeping the tool away from flammable materials. Additionally, be mindful of the tool’s moving parts and ensure it is securely positioned during use to prevent accidents 5.

Cummins Overview

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. With a history spanning over a century, Cummins has established a reputation for quality, reliability, and innovation in the heavy-duty truck industry. The company’s product range includes engines, powertrains, and aftermarket parts, all designed to meet the demanding requirements of commercial and industrial applications.

Cummins Seal Installation Tool 3904325 Compatibility

The Cummins Seal Installation Tool, part number 3904325, is designed to facilitate the installation of seals in various engine models. This tool is compatible with a range of Cummins engines, ensuring precise and efficient seal installation across multiple engine types.

Compatible Engines

  • 4B3.9 and 6B5.9 Engines The Seal Installation Tool 3904325 is engineered to work seamlessly with the 4B3.9 and 6B5.9 engines. These engines are known for their robust performance and reliability, and the tool ensures that seals are installed correctly, maintaining the integrity of the engine’s sealing system.

  • B3.9 G and G5.9 Engines For the B3.9 G and G5.9 engines, the 3904325 tool provides the necessary precision and ease of use. These engines benefit from the tool’s design, which allows for straightforward seal installation, reducing the risk of damage and ensuring optimal engine operation.

  • G5.9 CM558 Engine The G5.9 CM558 engine also falls within the compatibility range of the Seal Installation Tool 3904325. This specific model benefits from the tool’s ability to handle the unique requirements of its sealing system, ensuring that the seals are installed with the utmost accuracy.

By using the Cummins Seal Installation Tool 3904325, technicians and mechanics can ensure that seals are installed correctly across these engine models, maintaining the performance and longevity of the engines.

Role of Part 3904325 Seal Installation Tool in Engine Systems

The 3904325 Seal Installation Tool is an indispensable component in the meticulous process of engine maintenance and overhaul. Its primary function is to ensure the precise installation of seals across various engine components, thereby maintaining the integrity and efficiency of the engine system.

Application in Specific Components

  • Coupling and Fuel Pump: When working with the coupling and fuel pump, the 3904325 tool aids in the accurate placement of seals, which is essential for preventing leaks and ensuring smooth operation.

  • Cover and Front Gear: For the cover and front gear, this tool facilitates the proper seating of seals, which is vital for maintaining the structural integrity and operational efficiency of these components.

  • Crankshaft Seal Kit and Cylinder Head: In the installation of the crankshaft seal kit and cylinder head, the tool ensures that seals are correctly positioned, which is important for the prevention of oil leaks and the maintenance of compression.

  • Drying Rear Seal Kit and Engine Gasket Set Lower: When dealing with the drying rear seal kit and engine gasket set lower, the tool assists in the precise application of seals, which is necessary for the effective sealing of these areas and the prevention of contaminants.

  • PMM Piston Upgrade Kit and Wet Rear Seal: For the PMM piston upgrade kit and wet rear seal, the tool ensures that seals are installed with the correct tension and alignment, which is essential for optimal performance and durability.

  • Long Block and Lower Engine Gasket Kit: In the context of the long block and lower engine gasket kit, the tool helps in the accurate installation of seals, which is crucial for the overall sealing integrity of the engine block.

  • Lower Engine Gasket Set and Overhaul Kit: When working with the lower engine gasket set and overhaul kit, the tool ensures that seals are correctly installed, which is important for the prevention of leaks and the maintenance of engine efficiency.

  • Rear Crank Seal Kit and Rear Crank Seal Service Kit: For the rear crank seal kit and rear crank seal service kit, the tool aids in the precise installation of seals, which is vital for the prevention of oil leaks and the maintenance of crankshaft integrity.

  • Rear Seal/Sleeve Kit and Rebuild Kit: In the installation of the rear seal/sleeve kit and rebuild kit, the tool ensures that seals are correctly positioned, which is necessary for the effective sealing of these components and the prevention of wear.

  • RR Crankseal Serv Kit and Seal Service Kit Rear: For the RR crankseal serv kit and seal service kit rear, the tool assists in the accurate application of seals, which is essential for the prevention of leaks and the maintenance of rear crankshaft integrity.

  • Service Kit and Set Engine Gasket: When dealing with the service kit and set engine gasket, the tool ensures that seals are installed with the correct tension and alignment, which is crucial for optimal sealing performance.

  • Wear Sleeve Kit Rear Seal: For the wear sleeve kit rear seal, the tool helps in the precise installation of seals, which is important for the prevention of wear and the maintenance of rear seal integrity.

Conclusion

The Cummins 3904325 Seal Installation Tool is a critical asset for professionals engaged in the maintenance and repair of heavy-duty truck engines. Its precise functionality, compatibility with various engine models, and the benefits it offers in terms of efficiency, reliability, and cost savings make it an invaluable tool in the industry. Proper usage, maintenance, and adherence to safety guidelines ensure that this tool continues to deliver optimal performance and contribute to the longevity of engine systems.


  1. Maclaurin, B. (2018). High Speed Off-Road Vehicles. Wiley.

  2. Hilgers, M. (2023). Electrical Systems and Mechatronics, Second Edition. Springer Vieweg.

  3. Cummins Inc. (n.d.). Fault Code Troubleshooting Manual. Bulletin Number 4332777.

  4. Dempsey, P. (2008). Troubleshooting and Repairing Diesel Engines. McGraw-Hill.

  5. Kluczyk, B. (2008). How to Rebuild Any Automotive Engine. CarTech.

SPECIFICATIONS

Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Notes
SOLD IN HIGHER LEVEL ASSY OR KIT
Package Dimensions
1.0 x 1.0 x 1.0 in
Weight
1 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.