199919
Twelve Point Cap Screw
Cummins®

The 199919 Twelve Point Cap Screw is a specialized fastener produced by Cummins, a well-established manufacturer in the commercial truck industry. This component is significant in various truck applications due to its design and functionality, contributing to the reliability and efficiency of truck operations.

Basic Concepts of Twelve Point Cap Screws

A twelve point cap screw is a type of fastener characterized by its hexagonal socket head, which provides a larger contact area compared to traditional hex-head screws. This design allows for more torque to be applied without rounding off the head, making it suitable for high-stress applications. In the automotive industry, twelve point cap screws are commonly used in areas requiring secure fastening and resistance to loosening, such as engine components and chassis assemblies ¹.

Purpose and Role in Truck Operation

The 199919 Twelve Point Cap Screw plays a role in the operation and maintenance of commercial trucks by securing critical components that are subject to vibration and high stress. It is often used in applications where the fastener needs to withstand significant torque and maintain a secure hold over time. Within the truck, this screw may be found in engine mounts, transmission components, and other areas where reliable fastening is paramount ².

Key Features

The 199919 Twelve Point Cap Screw features a robust design with a twelve-sided socket head, which enhances its ability to accept torque without deforming. It is typically made from high-strength steel, ensuring durability and resistance to wear. The screw’s unique attributes include a precise thread pitch and a corrosion-resistant coating, which contribute to its functionality and longevity in demanding environments ³.

Benefits

Using the 199919 Twelve Point Cap Screw in truck maintenance and repair offers several advantages. Its design allows for improved torque application, reducing the risk of stripping or rounding the head during installation. The screw’s resistance to loosening ensures that critical components remain securely fastened, even under vibration and stress. Additionally, its durability contributes to the longevity of the fastener, minimizing the need for frequent replacements.

Installation and Usage Guidelines

Proper installation of the 199919 Twelve Point Cap Screw involves several steps to ensure optimal performance and safety. Begin by cleaning the installation area to remove any debris or contaminants. Use a torque wrench to apply the specified torque, ensuring that the screw is tightened to the manufacturer’s recommended levels. It is important to follow best practices, such as using the correct socket size and avoiding over-tightening, to prevent damage to the screw or the component being fastened.

Troubleshooting and Maintenance

Common issues with twelve point cap screws include loosening over time and corrosion. To troubleshoot these problems, regularly inspect the screws for signs of wear or damage. If a screw appears loose, it should be re-tightened to the specified torque. In cases of corrosion, the affected screw may need to be replaced to ensure continued reliable performance. Maintenance practices, such as applying a thread locker and conducting periodic inspections, can help prolong the life of the fastener.

Cummins: Manufacturer Overview

Cummins Inc. is a leading manufacturer in the commercial truck industry, known for its wide range of products and strong reputation for quality and reliability. Founded in 1919, Cummins has a long history of innovation and excellence in engine and power generation technologies. The company’s commitment to producing high-quality components, such as the 199919 Twelve Point Cap Screw, has made it a preferred manufacturer for critical truck parts. Cummins’ expertise in designing and manufacturing reliable fasteners contributes to the efficiency and durability of commercial trucks.

Compatibility with Cummins Engines

The Twelve Point Cap Screw part number 199919, manufactured by Cummins, is designed to fit a variety of Cummins engines. This screw is a critical component in securing various parts within the engine assembly, ensuring structural integrity and operational efficiency.

K Series Engines

The 199919 cap screw is compatible with several K series engines, including:

• K19
• K38
• K50

These engines are known for their robust design and are commonly used in heavy-duty applications.

QSK Series Engines

The Twelve Point Cap Screw also fits a range of QSK series engines, which are known for their high performance and reliability. These include:

• QSK38 CM2150 MCRS
• QSK38 CM850 MCRS
• QSK50 CM2150 K107
• QSK50 CM2150 MCRS
• QSK50 CM2350 K108
• QSK60 CM500

These engines are widely used in various industries, including marine, power generation, and construction.

KTA Series Engines

The 199919 cap screw is also suitable for KTA series engines, which are designed for high-efficiency power generation. These engines include:

• KTA19GC
• KTA38GC CM558

6C Series Engines

The Twelve Point Cap Screw is compatible with the 6C series engines, which are known for their versatility and efficiency. These include:

• 6C8.3

GTA Series Engines

The 199919 cap screw fits the GTA series engines, which are designed for a variety of industrial applications. These include:

• GTA38 G CMEICS G116C

V Series Engines

Lastly, the 199919 cap screw is also compatible with V series engines, which are used in various applications requiring high power output. These include:

• V903
• VTA903 CM2250 V105

This comprehensive compatibility ensures that the Twelve Point Cap Screw 199919 can be used across a wide range of Cummins engines, providing a reliable and secure fastening solution.

Role of Part 199919 Twelve Point Cap Screw in Engine Systems

Part 199919 Twelve Point Cap Screw is instrumental in securing and maintaining the integrity of various components within engine systems. Its application spans across multiple critical areas, ensuring that each part functions optimally and remains securely in place.

Cover Plate and Cylinder Block Assembly

In the assembly of the cover plate and cylinder block, Part 199919 is used to fasten these components securely. This ensures that the cylinder block remains aligned and sealed, preventing any oil or coolant leaks that could compromise engine performance.

EBM-Filter and Full Flow Oil System

The EBM-filter and full flow oil system rely on Part 199919 to maintain the structural integrity of the filter housing and oil passages. By securely attaching the filter housing to the engine block, it ensures efficient oil filtration and consistent oil flow, which is essential for lubricating moving parts and reducing wear.

Engine Installation Kit and Front Engine Support

Within the engine installation kit, Part 199919 is utilized to attach the front engine support to the engine block. This connection is vital for absorbing vibrational forces and ensuring the engine remains stable during operation.

Housing and Thermostat Integration

The housing for the thermostat is another area where Part 199919 plays a significant role. By securing the thermostat housing, it ensures that the thermostat can accurately regulate engine temperature, contributing to overall engine efficiency and longevity.

On Board Spares and Lubricating System Components

On board spares, such as the lubricating filter head mounting and lubricating oil filter mounting, depend on Part 199919 for secure attachment. This is crucial for maintaining the lubricating system’s effectiveness, ensuring that all moving parts receive adequate lubrication.

Gear Cover and Base Parts

The gear cover and various base parts are fastened using Part 199919, ensuring that these components remain in place and function correctly. This is particularly important for maintaining the precision of gear operations and the structural integrity of the engine base.

Piston Cooling Mounting Valve and Plumbing Connections

For the piston cooling mounting valve and plumbing connections, Part 199919 ensures that these components are securely mounted. This is essential for the efficient cooling of pistons and the reliable operation of the engine’s cooling system.

Heat Exchanger and Radiator Parts

In the heat exchanger and radiator parts, Part 199919 is used to secure mounting brackets and connections. This ensures that the heat exchanger and radiator components are firmly in place, allowing for effective heat dissipation and maintaining optimal engine operating temperatures.

Transmission Adapter and Turbocharger Systems

The transmission adapter and turbocharger location rely on Part 199919 for secure mounting. This is important for the proper alignment and operation of the turbocharger, ensuring efficient air intake and exhaust processes.

Water Connection and Pump Support

Finally, Part 199919 is used in water connections and water pump support mounting. This ensures that the water pump and its associated components are securely attached, facilitating efficient coolant circulation and temperature regulation within the engine.

Conclusion

The 199919 Twelve Point Cap Screw is a critical component in the maintenance and operation of commercial trucks and Cummins engines. Its robust design, high-strength material, and precise engineering make it an essential fastener for securing critical components in demanding environments. Proper installation, regular maintenance, and understanding its role in various engine systems are key to ensuring the reliability and efficiency of truck operations.