Keep every stop smooth and true with the Dynamic Friction brake rotor 604-46042, a GEOSPEC-coated blank rotor that drops in up front on the 2018-2020 Buick Regal Sportback and the 2016 Cadillac ELR. It's a front-axle unit designed to meet the same form, fit, and function as the OEM rotor it replaces.
Key features:
Sold individually. For even, balanced braking, it's best to replace the rotors on both sides of the front axle together as a matched pair. See the signs a rotor may need replacing in the FAQs below.
What vehicles does this Dynamic Friction brake rotor fit?
It's a front-axle direct-fit replacement for the 2018-2020 Buick Regal Sportback and the 2016 Cadillac ELR. Check the Buyer's Guide tab to confirm your exact vehicle.
Is this a front or rear rotor?
It's a front rotor for the listed applications.
What is the GEOSPEC coating?
GEOSPEC is DFC's protective finish that provides superior corrosion protection compared with zinc and conventional painted rotors.
Does this rotor need cleaning before installation?
No. It arrives ready to install with no additional pre-degreasing preparation needed, which saves time during the job.
What are signs my disc brake rotor may need replacing?
Common signs include brake pedal pulsation or steering-wheel vibration when braking, visible scoring or grooves, or thickness below the minimum spec. Diagnose the cause before replacing.
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.
