3019388
Twelve Point Cap Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$6.99 $8.32

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

The Cummins 3019388 Twelve Point Cap Screw is a specialized fastener designed for heavy-duty applications in commercial trucks. Its robust design and reliable performance make it a critical component in truck maintenance and assembly.

Basic Concepts of Twelve Point Cap Screws

A Twelve Point Cap Screw features a hexagonal socket head with twelve points, offering advantages such as improved torque application and reduced risk of cam-out 1. These screws are commonly used in the automotive industry for securing components in high-stress and vibration environments.

Role of the 3019388 Twelve Point Cap Screw in Truck Operation

This part plays a significant role in truck assembly by securing critical components and contributing to the structural integrity of the vehicle. It is often used in applications where the fastener is subjected to significant stress, such as in the engine compartment or chassis 2.

Key Features of the 3019388 Twelve Point Cap Screw

The 3019388 Twelve Point Cap Screw is designed with several features that make it suitable for heavy-duty applications. Its twelve-point head design allows for greater torque application without the risk of rounding off the fastener. The material composition, typically a high-strength alloy, ensures durability under stress. Additionally, the threading is precision-engineered to provide a secure fit and resist loosening over time 3.

Benefits of Using the 3019388 Twelve Point Cap Screw

Utilizing this Cummins part offers several advantages. The enhanced torque application capability allows for tighter and more secure connections. The reduced risk of cam-out ensures that the fastener remains intact during installation and removal. Furthermore, the increased durability under stress contributes to the longevity and reliability of the truck’s components.

Installation and Usage Guidelines

Proper installation of this part involves several steps to ensure a secure fit. Begin by cleaning the mating surfaces to remove any debris or corrosion. Use a torque wrench to apply the recommended torque settings, which can be found in the manufacturer’s guidelines. It is also advisable to use a thread locker to prevent loosening due to vibration. Follow best practices for tightening, ensuring that the screw is drawn down evenly to avoid cross-threading.

Troubleshooting Common Issues

Frequent problems associated with Twelve Point Cap Screws include loosening and corrosion. To address loosening, re-torque the screw to the specified settings and consider applying a thread locker. Corrosion can be mitigated by using screws made from corrosion-resistant materials and regularly inspecting and cleaning the fasteners. In cases of significant corrosion, replacement of the screw may be necessary.

Maintenance Tips

Regular maintenance practices can prolong the lifespan of the 3019388 Twelve Point Cap Screw. Conduct routine inspections to check for signs of wear, corrosion, or loosening. Re-torque the screws according to the manufacturer’s recommended schedule to ensure they remain securely fastened. Additionally, keep the mating surfaces clean and free of debris to prevent issues during re-installation.

Cummins: A Brief 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 and innovation in the commercial truck industry. The company’s commitment to excellence is evident in its extensive product range, which includes engines, powertrains, and aftermarket parts designed to meet the demands of heavy-duty applications.

Role of Part 3019388 Twelve Point Cap Screw in Engine Systems

In the intricate assembly of engine systems, the 3019388 Twelve Point Cap Screw serves as a fundamental fastening component, ensuring the secure attachment and alignment of various critical components.

Engine Brake

Within the engine brake system, the Twelve Point Cap Screw is utilized to fasten components that are subjected to significant stress and vibration. Its design allows for a firm grip, which is essential for maintaining the integrity of the brake mechanism under high operational loads.

Rocker Housing

The rocker housing, a component that encases the rocker arms, relies on the Twelve Point Cap Screw for secure attachment to the engine block. This ensures that the housing remains firmly in place, allowing for precise movement of the rocker arms and consistent valve operation.

Rocker Mounting Housing

In the rocker mounting housing, the Twelve Point Cap Screw plays a key role in attaching the housing to the cylinder head. This secure fastening is vital for maintaining the alignment and stability of the rocker arms, which are critical for the efficient operation of the valve train.

Conclusion

Overall, the 3019388 Twelve Point Cap Screw is integral to the structural integrity and operational efficiency of these engine components, providing the necessary stability and precision required for optimal engine performance.


  1. Viskup, Richard. Diesel and Gasoline Engines. IntechOpen, 2020.

  2. Martyr, A.J. Engine Testing: Theory and Practice: Third Edition. SAE International, 2007.

  3. Hilgers, Michael. Entire Vehicle: Second Edition. Springer Nature, 2023.

SPECIFICATIONS

Notes
3/8 - 16 X 2 1/4\"
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
2.0 x 0.5 x 0.5 in
Weight
0.1 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.