Manufacture Part Number: 115835, AB39-8C617-AB, U201-15-140A, EB3G-8C617-CA. For Mazda BT50 2.2L 3.2L Turbo Diesel 4Cyl. For Mazda BT50 3.2L 2011.11+. For Mazda BT50 2.2L 2011.11+. On engines with belt-driven cooling fans, a fan clutch is often used to save energy and reduce noise.