Upgrade your heavy-duty Ford with the Motorcraft BT-101 Idler Pulley, meticulously designed for reliable performance and durability. Compatible with a range of models from 2008-2010 Ford F250 to F550 Super Duty, this tensioner ensures your accessory belt system operates smoothly, enhancing your vehicle's overall efficiency. Crafted with precision in Canada, this OEM part, identified by the manufacturer part number BT-101 and OE/OEM part number 7C3Z-6B209-D, is not a vintage or performance part, but a testament to Motorcraft's commitment to quality automotive components. Keep your truck running at its best with this essential maintenance part.