Dynamite Friction 631-91003L Disc Brake Rotor - Front Left

Dynamite Friction DFC Brake Rotor 631-91003L

The Dynamite Friction DFC Brake Rotor - Drilled and Slotted - Silver is a front left disc brake rotor built for specific compact Toyota and Mazda applications. With a 258 mm outside diameter, vented construction, and directional slotted-and-drilled surface, it is specified for consistent brake contact and heat management in the correct fitment range.

Key Features

• Part number 631-91003L
• Front left disc brake rotor for select Toyota Yaris, Toyota Yaris iA, Scion iA, and Mazda 2 applications
• Slotted X drilled surface type with directional brake surface
• Vented rotor design
• Zinc silver hat finish with rust resistant coating
• 258 mm outside diameter, 44 mm overall height, 55 mm center hole diameter
• 4-bolt / 4-lug pattern with 100 mm bolt circle diameter
• Nominal thickness: 22 mm; discard thickness: 20 mm

Product Details

The DFC Brake Rotor - Drilled and Slotted - Silver line focuses on application-specific rotor fitment with a finished hat surface and corrosion protection for everyday service conditions. This rotor uses a plain disc finish with a zinc silver hat finish, and its vented, directional design is matched to the listed front left positions. For buyers searching for a Toyota Yaris front left brake rotor, Mazda 2 front left rotor, or Scion iA replacement rotor, part number 631-91003L provides the exact dimensional and fitment details needed for selection.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Is Used For

• Replacing a worn front left brake rotor on a 2022-2025 Toyota Yaris
• Replacing a front left rotor on a 2016-2023 Mazda 2, Mexico
• Replacing a front left rotor on a 2019-2021 Toyota Yaris
• Replacing a front left rotor on a 2017-2018 Toyota Yaris iA
• Replacing a front left rotor on a 2016 Scion iA

Installation Notes and Tips

Verify rotor dimensions, bolt pattern, and position before installation. This rotor is listed for front left use only and should be matched to the vehicle’s 258 mm front disc specification where noted. Confirm pad condition, caliper operation, and hub surface cleanliness during brake service to help ensure proper rotor seating and even braking performance.

Quality Assurance

Built by Dynamite Friction for the specified vehicle applications, this rotor includes a rust resistant coating and zinc silver hat finish for added surface protection in service.