Dynamite Friction 631-47018R Disc Brake Rotor - Front Right

Drilled and Slotted Front Right Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver, part number 631-47018R, is a vented front right disc brake rotor built for select compact GM applications. It features a slotted X drilled surface, zinc silver hat finish, and rust resistant coating for a clean, service-ready appearance.

Compatible With 1985-1991 Chevrolet Cavalier, front right, and other listed Buick, Pontiac, Oldsmobile, and Cadillac applications, this rotor is sized for a 246 mm outside diameter, 58.4 mm center hole, and 5-lug, 100 mm bolt circle fitment. The directional braking surface and vented construction support consistent rotor performance in the correct application.

Key Features

• Part number: 631-47018R
• Disc brake rotor for the front right position
• Slotted X drilled surface type
• Vented rotor construction
• Rust resistant coating with zinc silver hat finish
• 5 bolt holes with 100 mm bolt circle diameter
• Outside diameter: 246 mm
• Center hole diameter: 58.4 mm
• Nominal thickness: 22.35 mm
• Discard thickness: 20.7 mm

Product Details

The DFC Brake Rotor - Drilled and Slotted - Silver line focuses on rotor fitment, finish, and surface design for direct replacement use. This rotor uses a plain disc finish with a silver zinc hat and a rust resistant coating to help maintain appearance on the hub area. The directional, slotted-and-drilled braking surface is specified for the listed front right applications, including Chevrolet Cavalier, Chevrolet Corsica, Pontiac Sunbird, Buick Skylark, Buick Skyhawk, Pontiac Grand Am, Oldsmobile Cutlass Calais, Cadillac Cimarron, Oldsmobile Firenza, Oldsmobile Calais, and Pontiac J2000 Sunbird.

What It Helps Address

• Rotor wear that requires replacement at the front right wheel
• Brake pulsation caused by a worn or out-of-spec rotor
• Corrosion on the rotor hat or exposed metal surfaces
• Fitment issues on 5-lug, 100 mm bolt circle vehicles
• Replacement needs for vented rotor applications with drilled and slotted surfaces

Installation Notes

Verify rotor dimensions, bolt circle diameter, center hole diameter, and position before installation. This rotor is listed for the front right side only and should be matched to the vehicle’s brake system requirements, including the noted performance-package exclusions on select 1990 Buick Skylark, Oldsmobile Cutlass Calais, and Pontiac Grand Am applications. Confirm pad condition, hub surface cleanliness, and rotor thickness during service.

Quality Assurance

Dynamite Friction identifies this rotor with a rust resistant coating and zinc silver hat finish for corrosion protection on exposed surfaces. Part number 631-47018R is cataloged for the specific vehicle applications shown above, including Chevrolet Cavalier and Pontiac Sunbird front right fitments.