Refresh your rear brakes in one box with the Dynamic Friction Company Disc Brake Kit 4512-21051 (also written 451221051), a rear-axle package that pairs DFC GEOSPEC coated rotors with DFC 5000 ceramic pads and the matching disc brake hardware. It's a direct-fit replacement for the 2018-2019 Kia Niro and 2014-2016 Kia Optima — see the Buyer's Guide tab for the engine-level applications.
Replacing rotors and pads as a matched set on the rear axle promotes even, balanced braking.
What comes in this kit?
It's a rear-axle package that includes DFC GEOSPEC coated brake rotors, DFC 5000 ceramic brake pads, and the disc brake hardware kit needed for the job.
Which vehicles does 4512-21051 fit?
It's a direct-fit rear brake kit for the 2018-2019 Kia Niro and 2014-2016 Kia Optima. Check the Buyer's Guide tab to confirm the engine-level application for your vehicle.
Is this a front or rear brake kit?
This kit is cataloged for the rear axle of the listed applications.
Are the pads ceramic?
Yes. The DFC 5000 ADVANCED pads use a ceramic formulation that runs low-dust and quiet with a smooth, consistent pedal feel during everyday street driving.
Do the rotors need cleaning before installation?
No. The GEOSPEC coated rotors are processed dry, shipped dry, and ready to install with no additional degreasing; the coating is swept away safely by the friction material.
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.
