Dynamic Friction Company Disc Brake Rotor P/N:604-31134D
Help bring balanced, low-vibration braking back to your front-left corner with the Dynamic Friction brake rotor (P/N 600-31134D). This disc brake rotor drops into the front, left-hand position as a direct-fit replacement for many vehicles, among them the 2020-2026 Toyota GR Supra and the 2022-2026 BMW 230i. See the Buyer's Guide tab for the full list.
Designed to meet the same form, fit, and function as OEM brake rotors, it arrives new in the box, ready to install with no modifications required, and is quality tested for long-lasting performance. Rotors wear as a matched set, so replacing both front rotors together is recommended for even, balanced braking — this listing is for one rotor.
What vehicles does the 600-31134D rotor fit?
It's a direct-fit front, left-side replacement for many vehicles, including the 2020-2026 Toyota GR Supra and the 2022-2026 BMW 230i. Check the Buyer's Guide tab for the full list.
Is this rotor for the front or rear of the vehicle?
This is a front, left-hand brake rotor.
What material is this brake rotor made from?
It's cast from premium G3000/G11H18 iron castings for strength, stability, and durability, with an OE vane configuration for heat dissipation.
Should I replace both front rotors at the same time?
Rotors wear as a pair, so replacing both front rotors together is recommended for even, balanced braking. This listing covers one rotor — the front, left-hand unit; pair it with the corresponding right-side rotor.
Does this rotor need machining before installation?
No. It comes new in the box with a non-directional finish and is ready to install with no modifications required.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.