3904483
Pin Dowel
Cummins®

The Cummins 3904483 Pin Dowel is a component used in commercial trucks. This article provides an overview of its function, key features, benefits, and maintenance considerations.

Understanding Pin Dowels

A pin dowel is a cylindrical pin used to align and secure two parts together. It ensures precise positioning and prevents relative movement between components. Pin dowels are commonly used in mechanical assemblies to maintain accuracy and integrity ¹.

Function of the 3904483 Pin Dowel

The 3904483 Pin Dowel plays a role in aligning and securing components within the truck’s engine or transmission. It helps maintain the correct positioning of parts, ensuring smooth operation and preventing wear or damage due to misalignment ².

Key Features

• Made from high-quality materials to ensure durability and reliability.
• Designed to fit specific applications within Cummins engines or transmissions.
• Precision-machined to ensure accurate alignment and fit.

Benefits

• Enhances the accuracy and reliability of mechanical assemblies.
• Reduces the risk of component misalignment, which can lead to increased wear and potential failure.
• Contributes to the overall efficiency and performance of the truck’s engine or transmission ³.

Troubleshooting and Maintenance

Regular inspection of the pin dowel is recommended to ensure it remains in good condition. Signs of wear or damage should be addressed promptly to prevent further issues. Maintenance procedures may include cleaning, lubricating, and replacing the pin dowel if necessary.

About Cummins

Cummins Inc. is a global power leader that designs, manufactures, and distributes engines, filtration, and power generation products. The company is known for its commitment to quality, innovation, and customer satisfaction.

Pin Dowel 3904483 Compatibility with Cummins Engines

The Pin Dowel part number 3904483, manufactured by Cummins, is a critical component that fits into a variety of Cummins engine models. This dowel pin is essential for maintaining the alignment and stability of engine components, ensuring smooth operation and longevity of the engine.

Compatible Engines

15N CM2380 M104B Series

• 15N CM2380 M104B

4B3.9 Series

• 4B3.9
• B3.9 G

6B5.9 Series

• 6B5.9
• B5.9 G
• B5.9 GAS PLUS CM556

6C8.3 Series

• 6C8.3
• C8.3 G

B4.5 Series

• B4.5
• B4.5 CM2350 B129B
• B4.5 RGT

B5.6 Series

• B5.6 CM2670 B152B

B5.9 Series

• B5.9 CM2670 B166C

B6.7 Series

• B6.7 CM2350 B135B
• B6.7 CM2670 B153B
• B6.7 CM2670 B164C
• B6.7 G CMOH6.0 B125
• B6.7S

C Series

• C GAS PLUS CM556

D4.0 Series

• D4.0 CM2620 D103B

F2.8 Series

• F2.8 CM2620 F135B

F3.8 Series

• F3.8 CM2350 F120B
• F3.8 CM2350 F128C
• F3.8 CM2620 F137B
• F3.8 F102

This Pin Dowel is designed to fit seamlessly into the specified engine models, ensuring that the engine components remain properly aligned and functioning as intended. The compatibility across these various engine series highlights the versatility and importance of the 3904483 Pin Dowel in maintaining engine integrity.

Role of Part 3904483 Pin Dowel in Engine Systems

The part 3904483 Pin Dowel is an essential component in various engine systems, facilitating precise alignment and secure fitting of multiple parts. Its application spans across different engine configurations and components, ensuring optimal performance and durability.

Integration with Engine Blocks

In the Short Block and Cylinder Block assemblies, the Pin Dowel aligns the Crankshaft with the block, ensuring that the rotational axis is correctly positioned. This alignment is vital for the smooth operation of the engine, preventing undue stress on the crankshaft bearings and maintaining consistent engine performance.

For specific engine models like the Short 4BTA Block and Short 6BT Block, the Pin Dowel plays a similar role. It ensures that the crankshaft is accurately positioned within the block, which is fundamental for the proper functioning of the pistons and connecting rods.

Application in Camshaft and Cylinder Head Assemblies

In the Camshaft and Cylinder Head assemblies, the Pin Dowel is used to align the camshaft with the cylinder head. This precise alignment is necessary for the proper operation of the valve train, ensuring that the valves open and close at the correct times in sync with the pistons’ movement.

Use in Injector and Plumbing Systems

The Pin Dowel is also integral in Injector and Injector Plumbing systems. It ensures that the injectors are correctly positioned relative to the cylinder head and combustion chamber. This accurate placement is essential for fuel delivery, impacting the engine’s efficiency and performance.

Role in Performance and Repair Kits

In Performance Parts and Repair Kits, the Pin Dowel is often included to facilitate the reassembly of engine components after maintenance or upgrade work. Its use ensures that all parts are reassembled in their correct positions, maintaining the engine’s designed performance characteristics.

Specific Engine Configurations

For engines like the Short E1 180 Block, Short E2 215/235 Block, and Short E2 Block, the Pin Dowel ensures that the crankshaft and other rotating components are correctly aligned with the cylinder block. This is particularly important in high-performance or high-stress engine applications where precision is key to reliability and efficiency.

Comprehensive Engine Systems

In comprehensive engine systems, including the Engine Crankshaft and Cylinder assemblies, the Pin Dowel’s role in alignment and secure fitting cannot be overstated. It contributes to the overall integrity and performance of the engine, ensuring that all moving parts operate in harmony.

Conclusion

The Pin Dowel, though a small component, plays a significant role in the functionality and reliability of various engine systems. Its precise application across different engine configurations underscores its importance in maintaining engine performance and durability.