Dynamic Friction Company Disc Brake Rotor 900-31130
Dynamic Friction Company Disc Brake Rotor 900-31130

Dynamic Friction Company Disc Brake Rotor P/N:900-31130

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$112.99
MPN: 900-31130
UPC: 190920051685
Item Package Quantity: 1
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Dynamic Friction Company Disc Brake Rotor P/N:900-31130
Dynamic Friction Company Disc Brake Rotor P/N:900-31130
$112.99

Bring precise, vibration-controlled braking to the rear axle with the Dynamic Friction brake rotor (P/N 900-31130), a direct-fit rear disc brake rotor for the listed BMW and Toyota applications — including the 2019-2026 BMW 330i, 2017-2026 BMW 530i, 2018-2026 BMW X3, 2019-2026 BMW X5 and 2020-2026 Toyota GR Supra. See the Buyer's Guide tab for the full 48-application list and engine details.

DFC builds this Hi-Carbon Alloy rotor with a Geomet®-coated finish and an OE-style vane configuration:

  • 100% precision mill-balanced for smoother stops and reduced vibration at speed.
  • Premium G3000/G11H18 iron castings engineered for strength, stability and durability, held to a Disc Thickness Variation (DTV) of 0.010 mm maximum and lateral runout of 0.050 mm maximum.
  • Geomet® coating provides high-performance corrosion protection.
  • Fine-turned finish (16 RMS) for improved initial rotor and pad break-in, with an OE vane configuration to help ensure proper and maximum heat dissipation.

Working with the brake pads, this rear rotor converts motion into heat to slow the vehicle; warped, scored or heavily corroded rotors can cause pedal pulsation, noise or longer stopping distances. Sold individually — for even, balanced braking, replace both rear rotors as a matched pair.

Frequently Asked Questions

Is the 900-31130 a front or rear rotor?

It is cataloged as a rear rotor for the listed applications. Each rotor is sold individually; replace both rear rotors as a matched set for even braking.

Does this rotor have cooling vanes?

Yes — it uses an OE vane configuration (a vented design) to help ensure proper and maximum heat dissipation.

What is the Geomet® coating for?

The Geomet® coating provides high-performance corrosion protection for the rotor.

Will this Dynamic Friction rotor fit my BMW or Toyota?

It's a direct-fit replacement for 48 BMW and Toyota GR Supra applications, such as the 2022-2026 BMW 230i and 2019-2026 BMW Z4. Check the Buyer's Guide tab for your exact year and model.

Do I need to replace both rotors at once?

This listing is for one rotor. For even, balanced braking it's best practice to replace both rotors on the axle together as a matched pair.

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