The PowerStop semi-coated front brake rotor for 2017–2018 Audi A4 is a direct bolt-on replacement that maintains original braking performance while resisting corrosion. Silver epoxy on the hat, outer edge and vanes helps keep alloy wheels looking clean. Made to match OE weight and vane count, it includes cross-hatched friction faces for pad break-in, strict DTV/runout tolerances, dynamic balancing and is sold individually.
Power Stop 17-18 Audi A4 Front Semi Coated Rotor