DuraGo BR55033 Disc Brake Rotor and Hub Assembly - Front

DuraGo BR55033 Front Disc Brake Rotor and Hub

The DuraGo BR55033 is a front disc brake rotor and hub assembly built for heavy-duty Chevrolet P30 and GMC P3500 applications. It combines the rotor and hub into one service part, with vented construction, included bearing cups, and included wheel studs for a direct replacement on the specified front axle fitments.

Key Features

• Part number BR55033 for front brake service
• Vented rotor design for front axle applications
• Rotor outside diameter: 12.5 in. / 317.5 mm
• Nominal thickness: 1.54 in. / 39.2 mm
• Discard thickness: 1.46 in. / 37.2 mm
• 8-stud pattern with 9/16-18 stud thread size
• Mounting bolt hole circle diameter: 6.5 in. / 165.1 mm
• Inner bearing cup included
• Outer bearing cup included
• Wheel studs included
• Non-directional brake surface
• No cross-drilling and no slotted surface

Detailed Description

DuraGo BR55033 is engineered as a disc brake rotor and hub assembly for front-end brake service on 1983-1994 Chevrolet P30 DRW I-Beam Front Axle models and 1985-1999 GMC P3500 DRW I-Beam Front Axle models. The vented rotor design supports heat management in demanding commercial-duty use, while the non-directional braking surface helps simplify rotor service and bedding. DuraGo manufactures this product through ISO-certified factories, with attention to fit, form, and function for the listed applications. This part cross-references Dorman - HELP 55033 for the same application.

What This Part Helps Address

• Front brake pulsation caused by worn rotor surfaces
• Excessive rotor wear that reaches discard thickness
• Hub and rotor service needs on DRW front axle setups
• Brake noise related to uneven braking surfaces
• Wheel-end service where bearing cups and studs are part of the replacement

Installation Notes and Tips

Confirm the vehicle’s front axle configuration, stud thread size, and bolt circle before installation. This BR55033 assembly is listed for Chevrolet P30 and GMC P3500 front applications with DRW and I-Beam front axle notes, so match those details exactly before ordering. Inspect bearings, seals, and related wheel-end components during service, and verify rotor thickness and hub condition against the vehicle’s brake requirements.

Quality Assurance

DuraGo has over 45 years of aftermarket manufacturing experience and produces brake components in ISO-certified factories. The brand positions its brake drum and rotor program for professional repair use, with emphasis on catalog accuracy and consistent fitment for the listed Chevrolet P30 and GMC P3500 applications.