3052898
Captive Washer Cap Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$26.95 $32.07

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 Captive Washer Cap Screw is a component used in the maintenance and assembly of commercial trucks. It is designed to provide secure fastening and plays a role in ensuring the structural integrity of various truck components. Cummins, a well-established manufacturer in the automotive industry, produces this part, known as Part #3052898. Cummins is recognized for its commitment to quality and innovation in the production of automotive components 1.

Basic Concepts

A Captive Washer Cap Screw is a type of fastener that includes an integrated washer. This design allows for efficient installation and reduces the likelihood of losing the washer during assembly. The screw typically consists of a threaded shaft, a head for driving, and an integrated washer that distributes pressure and prevents damage to the fastened material. In a truck’s assembly, these screws are used to secure panels, brackets, and other components, ensuring they remain firmly in place under various operating conditions 2.

Purpose of the 3052898 Captive Washer Cap Screw

This Cummins part is employed in trucks to secure components and maintain structural integrity. It is commonly used in applications where vibration and movement could loosen traditional fasteners. By integrating the washer, this screw provides a more secure connection, which is vital for the safe operation of the vehicle. It is particularly useful in areas exposed to environmental factors, where corrosion resistance and durability are required 3.

Key Features

The 3052898 Captive Washer Cap Screw is crafted from high-quality materials, typically a corrosion-resistant alloy, which enhances its durability and performance in harsh environments. The design includes a robust head for easy installation using standard tools, and the integrated washer is engineered to provide even pressure distribution. These features contribute to the screw’s ability to withstand the dynamic conditions encountered in commercial truck operations.

Benefits

Using the 3052898 Captive Washer Cap Screw offers several advantages. Its design facilitates quick and easy installation, reducing assembly time. The integrated washer enhances the screw’s effectiveness in securing components, while the material composition provides resistance to corrosion and wear. These factors contribute to the longevity and reliability of the fastening solution in commercial truck applications.

Installation Process

To install the 3052898 Captive Washer Cap Screw, begin by ensuring the mating surfaces are clean and free of debris. Position the screw in the designated hole and use an appropriate tool to drive it in until the head is flush with the surface. It is important to apply the correct torque to avoid over-tightening, which could damage the screw or the fastened material. Following the manufacturer’s torque specifications ensures optimal performance and longevity of the fastener.

Maintenance and Troubleshooting

Regular inspection of the 3052898 Captive Washer Cap Screw is recommended to ensure it remains secure and functional. Look for signs of corrosion, wear, or loosening, and address any issues promptly to prevent component failure. If corrosion is detected, cleaning the affected area and reapplying a protective coating may be necessary. In cases where the screw has loosened, re-tightening to the specified torque is typically sufficient to restore security.

Safety Considerations

When handling and installing the 3052898 Captive Washer Cap Screw, it is important to follow safety practices. Wear appropriate personal protective equipment, such as gloves and safety glasses, to protect against injury. Ensure that the work area is well-lit and free of hazards. Follow procedural cautions, such as using the correct tools and torque settings, to prevent accidents and ensure the screw is installed correctly.

Cummins Overview

Cummins is a reputable manufacturer with a long-standing history in the automotive industry. The company is known for its commitment to quality, innovation, and customer satisfaction. Cummins produces a wide range of automotive components, including engines, filtration systems, and fastening solutions like the 3052898 Captive Washer Cap Screw. Their products are designed to meet the demanding requirements of commercial truck applications, ensuring reliability and performance in various operating conditions.

Captive Washer Cap Screw 3052898 in Cummins Engines

The Captive Washer Cap Screw part number 3052898, manufactured by Cummins, is a critical component in various Cummins engine models. This part is designed to secure and stabilize different engine components, ensuring the integrity and performance of the engine.

N14 Mechanical Engine

In the N14 Mechanical engine, the 3052898 Captive Washer Cap Screw is utilized in several key areas. It plays a vital role in fastening components such as the cylinder head to the engine block, ensuring a secure seal and preventing leaks. This screw is also used in securing various engine accessories and brackets, contributing to the overall stability and alignment of the engine.

NH/NT 855 Engines

For the NH/NT 855 engines, the 3052898 Captive Washer Cap Screw is integral in maintaining the structural integrity of the engine. It is employed in fastening the cylinder heads, which is crucial for maintaining the compression and performance of the engine. Additionally, this screw is used in securing engine mounts and other critical components, ensuring that the engine remains properly aligned and stable during operation.

QSK19 CM850 MCRS Engine

In the QSK19 CM850 MCRS engine, the 3052898 Captive Washer Cap Screw is used to secure various components, including the cylinder heads and engine accessories. This screw is essential for maintaining the alignment and stability of the engine, ensuring that all parts work together seamlessly. Its use in fastening critical components helps in maintaining the engine’s performance and longevity.

The 3052898 Captive Washer Cap Screw is a versatile and essential component in Cummins engines, providing the necessary security and stability for various engine parts. Its application across different engine models underscores its importance in ensuring the proper functioning and durability of the engines.

Role of Part 3052898 Captive Washer Cap Screw in Engine Systems

The Part 3052898 Captive Washer Cap Screw is instrumental in securing various components within engine systems, ensuring their stability and proper function. In the context of an engine arrangement, this screw plays a significant role in fastening components that are pivotal for the engine’s performance and durability.

In turbocharger systems, the Part 3052898 is used to secure the turbocharger to its housing. This ensures that the turbocharger remains firmly in place, allowing it to efficiently compress the intake air and improve engine performance.

When it comes to the cooler, specifically the lubricating oil cooler (top level assembly), the screw is employed to attach the cooler to the engine. This attachment is essential for maintaining the structural integrity of the cooler, which is vital for dissipating heat from the lubricating oil and ensuring optimal engine lubrication.

In the engine oil system, the screw is utilized to secure components such as the thermostat housing. This is important for maintaining the correct flow of engine oil, which is necessary for lubricating moving parts and reducing friction within the engine.

The thermostat, a component that regulates the engine’s temperature by controlling the flow of coolant, is also secured using the Part 3052898. This ensures that the thermostat remains in the correct position, allowing it to function effectively in maintaining the engine’s operating temperature.

Lastly, in the water transfer cover mounting, the screw is used to attach the cover to the engine. This is important for preventing coolant leaks and ensuring that the coolant circulates properly within the engine, which is essential for maintaining the engine’s temperature and preventing overheating.

Conclusion

In summary, the Part 3052898 Captive Washer Cap Screw is a versatile component that plays a significant role in securing various engine components, ensuring their stability and proper function. Its application across different engine models underscores its importance in ensuring the proper functioning and durability of the engines.


  1. Watson, B. (2011). Mobile Equipment Hydraulics A Systems and Troubleshooting Approach. Cengage Learning.

  2. Barton, D. C., & Fieldhouse, J. D. (2009). Automotive Chassis Engineering Powertrain Chassis System and Vehicle Body. Elsevier.

  3. Asef, P., Padmanaban, S., & Lapthorn, A. (2022). Modern Automotive Electrical Systems. Wiley.

SPECIFICATIONS

Notes
5/16 - 18 x 2 1/2 inch
Hazardous Material
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
2.6 x 0.6 x 0.63 in
Weight
0.6 lb
* 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.