3067581
Captive Washer Cap Screw
Cummins®

The Captive Washer Cap Screw, specifically Part #3067581 by Cummins, is a component that plays a role in the maintenance and operation of heavy-duty trucks. Cummins, a well-established manufacturer in the automotive industry, is known for its commitment to quality and innovation in producing reliable automotive components ¹.

Basic Concepts of Captive Washer Cap Screw

A Captive Washer Cap Screw is a type of fastener that includes an integrated washer. This design ensures that the washer remains in place during installation, reducing the risk of loss and simplifying the assembly process. The screw typically consists of a threaded shaft and a head, with the washer attached to the underside of the head. In a truck’s mechanical system, these screws are used to secure components, providing a stable and reliable connection ².

Purpose of the 3067581 Captive Washer Cap Screw

The 3067581 Captive Washer Cap Screw is designed to play a role in various truck systems by securing components and ensuring structural integrity. Its applications range from fastening engine components to securing body panels. The screw’s design allows it to distribute load evenly, reducing stress on the fastened components and contributing to the overall reliability of the truck’s mechanical systems ³.

Key Features

The 3067581 Captive Washer Cap Screw features a design that integrates a washer, which enhances its performance by providing a uniform load distribution and reducing the risk of component damage. It is made from high-quality materials that offer durability and resistance to corrosion, ensuring long-term reliability in demanding environments. The screw’s design also allows for easy installation, reducing assembly time and labor costs.

Benefits

Using the 3067581 Captive Washer Cap Screw offers several benefits, including improved efficiency in assembly processes due to the integrated washer. Its durable construction contributes to the reliability of truck systems, reducing the need for frequent replacements. Additionally, the screw’s design can lead to cost savings by simplifying the installation process and reducing the risk of component failure.

Installation Process

To install the 3067581 Captive Washer Cap Screw, begin by ensuring the surface is clean and free of debris. Use a torque wrench to tighten the screw to the manufacturer’s specified torque settings, ensuring a secure fit without over-tightening, which could damage the components or the screw itself. It is important to follow the recommended installation practices to ensure the screw functions as intended.

Troubleshooting Common Issues

Common issues with the 3067581 Captive Washer Cap Screw may include loosening over time or corrosion in harsh environments. To address these problems, regularly inspect the screws for signs of wear or corrosion. If loosening is detected, re-tighten the screw to the specified torque settings. In cases of corrosion, consider replacing the screw to prevent further degradation of the fastened components.

Maintenance Tips

To ensure the longevity and optimal performance of the 3067581 Captive Washer Cap Screw, regular maintenance is recommended. Inspect the screws during routine maintenance checks for signs of wear, corrosion, or loosening. Cleaning the screws and surrounding areas can prevent the accumulation of debris that may lead to corrosion. Following these maintenance tips can help maintain the screw’s integrity and the overall performance of the truck’s systems.

Cummins: A Brief Overview

Cummins is a renowned manufacturer with a rich history in the automotive industry. The company is recognized for its commitment to quality, innovation, and customer satisfaction. Cummins’ reputation is built on its ability to produce reliable and high-performance automotive components, including the 3067581 Captive Washer Cap Screw. The company’s dedication to advancing technology and meeting the needs of its customers underscores its position as a leader in the industry.

Captive Washer Cap Screw 3067581 in Cummins Engines

The Captive Washer Cap Screw 3067581, manufactured by Cummins, is a component in various Cummins engine models. This part is designed to secure and stabilize different engine parts, ensuring the engine’s structural integrity and operational efficiency.

KTA19 Series

• KTA19GC
• KTA19GC CM558

The Captive Washer Cap Screw 3067581 is utilized in the KTA19GC and KTA19GC CM558 engines to fasten and secure various components, maintaining the engine’s alignment and structural integrity.

N14 Series

• N14 CELECT
• N14 CELECT PLUS
• N14 MECHANICAL

In the N14 series, including the N14 CELECT, N14 CELECT PLUS, and N14 MECHANICAL engines, this cap screw is essential for securing critical engine parts, ensuring reliable performance and longevity.

NH/NT Series

• NH/NT 855

The NH/NT 855 engine incorporates the Captive Washer Cap Screw 3067581 to fasten and stabilize various engine components, contributing to the overall efficiency and durability of the engine.

QSK19 Series

• QSK19 CM2350 K105
• QSK19 CM2350 K114
• QSK19 CM500
• QSK19 CM850 MCRS
• QSK19G

In the QSK19 series, which includes the QSK19 CM2350 K105, QSK19 CM2350 K114, QSK19 CM500, QSK19 CM850 MCRS, and QSK19G engines, the Captive Washer Cap Screw 3067581 plays a vital role in securing and stabilizing engine parts, ensuring optimal performance and reliability.

V903

The V903 engine also utilizes the Captive Washer Cap Screw 3067581 to fasten and secure various components, contributing to the engine’s overall structural integrity and operational efficiency.

Role of Part 3067581 Captive Washer Cap Screw in Engine Systems

The Part 3067581 Captive Washer Cap Screw is instrumental in securing and maintaining the integrity of various engine components. Its application ensures that parts remain firmly in place, contributing to the overall efficiency and reliability of the engine system.

In the aftercooler mounting, this screw plays a significant role in attaching the aftercooler to the engine, ensuring a stable and secure connection that withstands operational stresses.

For the air intake connection and air intake manifold, the screw is used to fasten these components securely, preventing any potential leaks or disconnections that could affect air flow and engine performance.

In the breather and crankcase breather arrangement, the screw helps in maintaining the pressure balance within the crankcase, ensuring that the breather functions correctly without any looseness.

The charge air cooler kit benefits from the use of this screw by ensuring that all components within the kit are tightly secured, which is essential for optimal cooling performance.

In the electronic control module wiring harness and engine control module, the screw is vital for securing the modules and their connections, ensuring that electrical signals are transmitted without interference.

For the engine oil cooler and fuel filter, the screw ensures that these components are mounted securely, which is important for their efficient operation and longevity.

In the fuel supply tube and fuel supply tubing, the screw is used to secure connections, preventing fuel leaks and ensuring a consistent fuel supply to the engine.

The full flow oil filter and lubricating oil (top level assembly) cooler rely on this screw to maintain their positions, ensuring that oil filtration and cooling processes are effective.

In the lubricating oil filter head and mounting rocker lever cover, the screw provides the necessary stability to these components, which is essential for their function and durability.

For the oil pan and oil (top level assembly) cooler, the screw ensures that these critical components are securely attached, preventing any oil leaks and maintaining the structural integrity of the engine.

The signal generating device and smoke generator hose mounting use this screw to secure their positions, ensuring accurate signal generation and proper hose connections.

In the throttle valve and throttle valve mounting, the screw is essential for maintaining the precise control of air intake, which is vital for engine performance.

Finally, in the turbocharger arrangement, the screw ensures that all turbocharger components are securely fastened, which is important for the turbocharger’s efficiency and the engine’s overall performance.

Conclusion

The 3067581 Captive Washer Cap Screw by Cummins is a vital component in the maintenance and operation of heavy-duty trucks. Its design, featuring an integrated washer, ensures a stable and reliable connection for various engine components. The screw’s durable construction and ease of installation contribute to the efficiency and reliability of truck systems, making it a valuable component in Cummins’ lineup of automotive parts.