3062178
Captive Washer Cap Screw
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$5.49 $6.53

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 3062178 Captive Washer Cap Screw is a specialized fastener designed for use in heavy-duty truck applications. Its role is to maintain the integrity of truck components by providing a secure and reliable fastening solution. This screw is particularly significant in environments where durability and resistance to vibration are paramount 1.

Basic Concepts of Captive Washer Cap Screws

A Captive Washer Cap Screw is a type of fastener that incorporates a washer into the design of the screw itself. This integration ensures that the washer remains in place during installation, reducing the risk of loss and ensuring consistent torque application. In the automotive industry, these screws are commonly used in applications where components are subjected to significant stress and vibration, such as in engine assemblies and chassis structures 2.

Purpose and Role in Truck Operation

This Cummins part plays a specific role in the operation and maintenance of heavy-duty trucks. It is used to secure various components, ensuring structural integrity and preventing loosening due to vibration. This screw is particularly useful in applications where access for maintenance is limited, as its design simplifies the installation process and enhances reliability 3.

Key Features

The 3062178 Captive Washer Cap Screw boasts several key features that enhance its performance and durability. It is constructed from high-strength materials, ensuring resistance to corrosion and wear. The design includes a captive washer that remains attached to the screw, simplifying installation and maintaining consistent torque. Additionally, the screw features a hexagonal head for easy tightening with standard tools.

Benefits

Using this part offers several benefits. Its design improves reliability by ensuring that the washer stays in place, which is particularly important in high-vibration environments. The ease of installation reduces labor time and minimizes the risk of improper torque application. Over time, these factors contribute to long-term cost savings for fleet operators by reducing maintenance requirements and extending component lifespan.

Installation Process

Proper installation of the 3062178 Captive Washer Cap Screw involves several steps. Begin by ensuring that the mating surfaces are clean and free of debris. Use a torque wrench to apply the specified torque, ensuring that the screw is tightened to the manufacturer’s recommendations. Avoid over-tightening, as this can damage the screw or the component being fastened. Regularly inspect the screw for signs of wear or loosening, especially in high-vibration areas.

Troubleshooting and Maintenance

Common issues with the 3062178 Captive Washer Cap Screw include loosening due to vibration and corrosion. Regular inspections can help identify these problems early. If corrosion is detected, consider using a corrosion-resistant coating or replacing the screw. Signs of wear, such as stripped threads, may indicate the need for replacement. Maintaining proper torque during installation and re-tightening can help prevent these issues.

Compatibility and Applications

The 3062178 Captive Washer Cap Screw is designed for use in various heavy-duty truck systems. It is commonly applied in engine assemblies, chassis structures, and other components where secure fastening is critical. When considering compatibility, ensure that the screw meets the specifications required for the application, including thread size, length, and material compatibility with other components.

Cummins Overview

Cummins Inc. is a renowned manufacturer with a long-standing reputation in the heavy-duty truck industry. Founded in 1919, the company has a history of innovation and quality, producing a wide range of engines, components, and technologies. Cummins components are known for their reliability and performance, making them a preferred choice for fleet operators and maintenance professionals. The Cummins 3062178 Captive Washer Cap Screw is part of this legacy, designed to meet the demanding requirements of heavy-duty applications.

Conclusion

The Cummins 3062178 Captive Washer Cap Screw is a critical component in heavy-duty truck applications, offering enhanced reliability, ease of installation, and long-term cost savings. Its design and features make it well-suited for environments where durability and resistance to vibration are essential. Proper installation, regular maintenance, and understanding its applications ensure optimal performance and longevity of the fastening solution.


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

  2. Hu, H., Smaling, R., & Baseley, S. (2014). Heavy-Duty Wheeled Vehicles. SAE International.

  3. Lejda, K., & Wos, P. (2012). Internal Combustion Engines. InTech.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
0.4 x 7.0 x 0.15 in
Weight
0.067 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.