Ford OEM drive belt. Ford part number DK4Z8620B. Motorcraft part number JK4-577-A. Fits 2015-2025 Transit vehicles equipped with a 3.5L V-6 or 3.7L V-6 engine ONLY! This belt is for the A/C compressor and also for the power steering pump. Verify part numbers and pictures and fitment to your vehicle BEFORE ordering. Thank you!!