The R1 Concepts drilled-and-slotted black brake rotor for 2015–2025 Ford Transit-350 HD/DRW, front left, is listed as the front-left replacement for that heavy-duty duel- or dual-rear-wheel application. The description specifies a drilled and slotted braking surface and a black finish, matching the front-left rotor requirement for Transit-350 HD/DRW models within the stated years.
R1 15-25 Ford Transit-350 HD/DRW Front Left Drilled & Slotted Black Brake Rotor