Dynamite Friction 631-91003R Disc Brake Rotor - Front Right

Drilled and Slotted Front Right Brake Rotor

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver, part number 631-91003R, is a vented front right disc brake rotor built for specific compact Toyota, Mazda, and Scion applications. It features a slotted X drilled surface, zinc silver hat finish, and a rust resistant coating for a clean, service-ready appearance.

Key Features

• Part number 631-91003R front right disc brake rotor
• Slotted X drilled braking surface for directional rotor operation
• Vented rotor design with 258 mm outside diameter
• Zinc silver hat finish with rust resistant coating
• 4-bolt, 4-lug pattern with 100 mm bolt circle diameter
• Center hole diameter: 55 mm
• Nominal thickness: 22 mm; discard thickness: 20 mm
• Disc finish: plain

Product Details

This DFC Brake Rotor - Drilled and Slotted - Silver is engineered as a direct-fit front right brake rotor for 2022-2025 Toyota Yaris, 2019-2021 Toyota Yaris, 2017-2018 Toyota Yaris iA, 2016-2023 Mazda 2, and 2016 Scion iA. The vented construction and directional slotted/drilled surface support consistent brake contact and heat management in everyday driving. The silver zinc hat finish and rust resistant coating help protect exposed surfaces from corrosion.

For shoppers searching for a 2022-2025 Toyota Yaris front right brake rotor, a 2016-2023 Mazda 2 front right drilled and slotted rotor, or a 2017-2018 Toyota Yaris iA replacement rotor, part number 631-91003R matches the listed fitment and dimensions. This part cross-references no listed interchange numbers in the provided data.

Common Reasons for Replacement

• Brake pulsation from rotor wear or thickness loss
• Visible scoring, grooves, or heat checking on the braking surface
• Corrosion on the rotor hat or friction surface
• Noise or uneven braking from a worn front right rotor
• Need for a direct replacement rotor with the correct 258 mm size

Installation Notes and Quality

Install on the front right position only and verify the 4-lug, 100 mm bolt circle, 55 mm center hole, and 258 mm diameter before service. Because the rotor is directional, confirm correct orientation during installation and inspect pads, caliper condition, and hub surfaces at the same time. The DFC rotor line focuses on application-specific brake rotor fitment and corrosion protection for service replacement use.

Quality assurance should include checking rotor thickness, runout, and proper seating after installation. Part number 631-91003R is listed with confirmed vehicle fitment and dimensional specifications for the applications shown above.