DuraGo BR55004 Disc Brake Rotor and Hub Assembly - Front

DuraGo BR55004 Front Hub & Rotor Assembly

The DuraGo BR55004 is a front disc brake rotor and hub assembly built for older truck and SUV applications that use a 6-stud, 7/16-20 wheel stud pattern. It combines the rotor and hub into one service part for direct replacement on select Chevrolet, GMC, and Jeep front axle applications, including Chevrolet K10, GMC K1500, and Jeep Grand Wagoneer fitments.

Manufactured by ISO-certified factories, DuraGo brake components are produced to meet fit, form, and function requirements for professional repair work. This BR55004 assembly is a vented rotor with a 11.86-inch outside diameter, 1.28-inch nominal thickness, and included inner and outer bearing cups for the specified applications.

Key Features

• Front disc brake rotor and hub assembly
• Vented rotor design for select light truck and SUV applications
• 11.86 in. rotor outside diameter
• 1.28 in. nominal thickness; 1.22 in. discard thickness
• 6-stud wheel pattern with 7/16-20 stud thread size
• Mounting bolt hole circle diameter: 5.5 in. (139.7 mm)
• Inner bearing cup included
• Outer bearing cup included
• Wheel studs included
• Non-directional brake surface

Detailed Description

DuraGo BR55004 is a front hub and rotor assembly for classic Chevrolet Blazer, GMC Jimmy, Jeep J10, and Jeep Cherokee applications, along with related K-series and Suburban models. It is built as a vented rotor with a non-directional braking surface to support consistent pad contact during service replacement. The assembly measures 7.05 inches in overall height and uses a 6-lug hub configuration with wheel studs installed for the listed vehicles.

This part cross-references Dorman - HELP 56299 for the same application. The BR55004 also aligns with interchange references including DuraGo BR55004 and Intermotor 55004, making it a practical lookup for front hub and rotor replacement on 1977-1991 Chevrolet, GMC, and Jeep platforms.

Vehicle Fitment

• Fits 1987-1991 Chevrolet Blazer, front, hub & rotor
• Fits 1989-1991 Chevrolet V1500 Suburban, front, hub & rotor
• Fits 1983-1991 GMC Jimmy, front, hub & rotor
• Fits 1987-1991 GMC V1500 Suburban, front, hub & rotor
• Fits 1984-1991 Jeep Grand Wagoneer, front, hub & rotor
• Fits 1987-1988 Chevrolet V10 Suburban, front, hub & rotor
• Fits 1977-1988 Jeep J10, front, hub & rotor
• Fits 1987 Chevrolet V10, front, hub & rotor
• Fits 1987 GMC V1500, front, hub & rotor
• Fits 1978-1986 Chevrolet K10, front, hub & rotor
• Fits 1978-1986 Chevrolet K10 Suburban, front, hub & rotor
• Fits 1977-1986 Chevrolet K5 Blazer, front, hub & rotor
• Fits 1979-1986 GMC K1500, front, hub & rotor
• Fits 1979-1983 Jeep Cherokee, front, hub & rotor
• Fits 1977-1978 Jeep Cherokee, front, hub & rotor; 7/8 Inch Drive Flange

Installation Notes and Tips

Confirm rotor diameter, bearing cup fitment, stud pattern, and front axle application before installation. This assembly is specified for front use only and should be matched to the vehicle’s hub and bearing requirements listed above. Inspect related brake components, wheel bearings, and pads during service to ensure proper brake operation after replacement.

Quality Assurance

DuraGo manufactures brake products through ISO-certified factories and focuses on cataloged, application-specific replacement parts for professional repair use. The BR55004 is produced to meet fit, form, and function requirements for the listed front hub and rotor applications.