PowerStop AR84008 Disc Brake Rotor - Front

Overview

Power Stop AR84008 is a front disc brake rotor built as a direct-fit standard replacement for OE-style braking performance. It is a full cast, vented rotor with an 8-hole design and a 12.1-inch outside diameter for the specified applications.

Compatible with Workhorse Custom Chassis W42 and Workhorse W42 applications, this rotor follows the fit and dimensions needed for a straightforward replacement. The Power Stop Autospecialty line focuses on direct-fit brake components for original equipment-style service.

Key Features

• Direct-fit brake rotor for OE-style replacement
• Full cast construction for standard replacement service
• Vented rotor design for improved heat dissipation
• 12.1-inch outside diameter and 8-hole mounting pattern
• Standard replacement grade for the listed Workhorse chassis applications

Detailed Description

Power Stop AR84008 is engineered as a front brake rotor for Workhorse Custom Chassis W42 and Workhorse W42 models. The rotor uses a full cast construction, vented design, and standard replacement grade to match the original equipment fit and performance profile called out by the manufacturer. Its 25.5 mm discard thickness, 28.0 mm nominal thickness, and 97.3 mm overall height provide the dimensional details needed for correct brake service.

This part number, AR84008, is part of the Power Stop Autospecialty line, which is positioned as a direct-fit OE stock replacement brake rotor line. For buyers searching for a Workhorse W42 front brake rotor or a Workhorse Custom Chassis W42 brake rotor, AR84008 provides the specified rotor dimensions and mounting pattern for the listed applications.

Common Issues It Can Address

• Worn rotor surfaces that affect braking consistency
• Rotor thickness loss from normal brake wear
• Brake pulsation related to rotor condition
• Noise caused by damaged or uneven rotor surfaces
• Service replacement needs for the listed front brake applications

Installation Notes

Verify rotor diameter, bolt circle, and hat height against the existing part before installation. Confirm the application details for the correct Workhorse Custom Chassis W42 or Workhorse W42 front brake rotor fitment. AR84008 should be installed according to standard brake service procedures and inspected with the rest of the braking system during replacement.

Quality Assurance

Power Stop describes this rotor as a direct-fit solution for original equipment fit and performance. The Autospecialty line is intended to provide OE-style replacement coverage for the listed applications.