The R1 Concepts drilled-and-slotted black brake rotor for 2015–2025 Ford Transit-150, rear right, is listed as the rear-right replacement for that application. The description specifies a drilled and slotted surface and black finish, indicating this rotor is the correct rear-right unit for Transit-150 vehicles produced in the stated years.
R1 15-25 Ford Transit-150 Rear Right Drilled & Slotted Black Brake Rotor