Rear Disc Brake Rotor Set for Acura MDX 2017, 2018, 2019, 2020 Driver & Passenger Side. Acura MDX 2017-2020 TRQ Performance 2 Piece Brake Rotor Set Rear Driver & Passenger Side. Kit Includes:(1) Rear Driver Side Brake Rotor, Kit Includes:(1) Rear Passenger Side Brake Rotor.