4017567
Hexagon Flange Head Cap Screw
Cummins®

Introduction to Hexagon Flange Head Cap Screws

Hexagon flange head cap screws are essential in various mechanical assemblies, particularly within the automotive and heavy-duty truck sectors. These screws feature a hexagonal head for easy tightening and loosening with a wrench or socket, and a flange that provides a larger bearing surface. This design effectively distributes the load, reducing the risk of stripping and ensuring a secure fit ¹.

Role and Purpose of the Cummins 4017567 Hexagon Flange Head Cap Screw

The Cummins 4017567 hexagon flange head cap screw is crucial for the assembly and maintenance of commercial trucks. Designed to withstand the rigors of truck operations, this screw secures various engine components, ensuring they remain firmly fastened despite high stress and vibrations. The flange head offers a sturdy connection, while the threaded shaft ensures a secure fit with mating parts, contributing to the engine’s overall reliability and performance ².

Technical Specifications and Design

The Cummins 4017567 hexagon flange head cap screw is engineered to endure the demanding conditions of commercial truck engines. Typically made from high-strength materials like stainless steel or treated steel, it is built to withstand harsh operating environments. The screw features a precise thread pitch and length, tailored to fit specific applications within the engine, ensuring optimal performance and durability ³.

Applications in Truck Engines

Within truck engines, the Cummins 4017567 hexagon flange head cap screw is used to secure critical components such as cylinder heads, intake manifolds, and exhaust systems. These screws are essential for maintaining the structural integrity of the engine assembly, ensuring that parts remain securely fastened and properly aligned during operation. Their robust design and high-strength materials make them ideal for withstanding the dynamic stresses and vibrations encountered in heavy-duty truck engines.

Troubleshooting and Maintenance

Maintaining the Cummins 4017567 hexagon flange head cap screw is vital for the longevity and performance of truck engines. Regular inspections should be conducted to identify any signs of wear, corrosion, or loosening. Addressing these issues promptly can prevent potential engine damage and ensure continued reliable operation.

Guidelines for Troubleshooting and Maintenance

1. Regular Inspections: Periodically check the tightness and condition of the screws. Look for any signs of corrosion, damage, or loosening.
2. Proper Torque Specifications: Ensure that the screws are tightened to the manufacturer’s specified torque settings. Over-tightening can strip the threads, while under-tightening can lead to loosening over time.
3. Cleaning and Lubrication: Keep the screws clean and free from debris. Applying a light lubricant can help prevent corrosion and ease future removal.
4. Replacement: Replace any screws that show signs of wear or damage. Using genuine Cummins parts ensures compatibility and reliability.

Cummins Engine Compatibility with Part 4017567

The Hexagon Flange Head Cap Screw, part number 4017567, manufactured by Cummins, is a critical component used across various Cummins engine models. This part is integral in securing different parts of the engine together, ensuring structural integrity and operational efficiency.

Engine Series Compatibility

15N Series

• 15N CM2380 M104B

4B3.9 Series

• 4B3.9

6B5.9 Series

• 6B5.9

6C8.3 Series

• 6C8.3

B5.9 Series

• B5.9 CM2670 B166C
• B5.9 CM2670 L134C

B6.7 Series

• B6.7 CM2670 B153B
• B6.7 CM2670 L134C

ISB/ISD Series

• ISB/ISD4.5 CM2150 B119
• ISB5.9 CM2880 B127
• ISB5.9 CM2880 B140
• ISB5.9 CM2880 B149
• ISB6.7 G CM2180 B118

ISBE Series

• ISBE CM2150
• ISBE4 CM850

ISC Series

• ISC CM2150
• ISC CM850

ISF Series

• ISF3.8 CM2220 F103

ISL Series

• ISL CM2150
• ISL9 CM2150 SN
• ISL9.5 CM2880 L138

ISX Series

• ISX12 G CM2180 EJ

ISZ Series

• ISZ13 CM2150 Z105

L8.9 Series

• L8.9 CM2670 L134C

L9 Series

• L9 CM2670 L128B

QSB Series

• QSB3.9 CM2880 B138
• QSB5.9 CM2880 B139

This part is designed to fit seamlessly into the specified engine models, providing a reliable fastening solution that meets the rigorous demands of Cummins engines.

Role of Part 4017567 Hexagon Flange Head Cap Screw in Engine Systems

The Cummins 4017567 hexagon flange head cap screw is integral in securing various components within engine systems, ensuring stability and reliability.

Brace and Harness Assembly

In the brace and harness assembly, this screw plays a significant role in fastening the harness securely to the engine frame. This ensures that the harness remains in place under operational stress, maintaining the integrity of the electrical connections.

Connecting Rod and Piston

Within the connecting rod and piston assembly, the hexagon flange head cap screw is used to secure the connecting rod to the piston. This connection is vital for the smooth transfer of force from the piston to the crankshaft, enhancing engine performance.

Air Intake and Cylinder Head

For the air intake system, this screw is employed to attach the air intake components to the cylinder head. A secure attachment ensures optimal airflow into the combustion chamber, which is essential for efficient fuel combustion.

Electronic Control Module Harness

In the electronic control module (ECM) harness, the screw is utilized to fasten the harness to the engine block. This secure attachment is necessary for maintaining the stability of the ECM wiring, ensuring consistent electronic signals.

Fuel System Components

Across various fuel system components such as the fuel control module, fuel injector, fuel manifold, and fuel pump, the hexagon flange head cap screw is used to secure these parts to the engine. This ensures that fuel delivery components remain firmly in place, contributing to consistent fuel supply and engine performance.

Plumbing and Turbocharger

In the plumbing systems, including fuel drain, fuel supply, and turbocharger oil lines, this screw is critical for securing tube clamps and connections. This prevents leaks and ensures the smooth flow of fluids, which is essential for engine lubrication and cooling.

Auxiliary Cooling and Vent Systems

For the auxiliary cooling system and vent components, the screw is used to attach these systems to the engine. This ensures that cooling and venting functions operate efficiently, maintaining engine temperature within optimal ranges.

Service Kit and Performance Parts

In service kits and performance parts, the hexagon flange head cap screw is often included to facilitate the secure installation of new components. This ensures that upgrades or replacements are installed correctly, enhancing engine reliability and performance.

Conclusion

The Cummins 4017567 hexagon flange head cap screw is a critical component in the assembly and maintenance of commercial truck engines. Its robust design, high-strength materials, and precise specifications ensure optimal performance and durability. Regular maintenance and proper use of this part are essential for the longevity and reliability of truck engines. Using genuine Cummins parts guarantees compatibility and enhances the overall performance of the engine.