Interchange Part Number BT50. Superseded Part Number BT50. Interchange Part Number: BT50. Superseded Part Number: BT50. 1x Engine Timing Belt Tensioner - BT50. Ford Excursion 2000-2003 V8 7.3T. This tensioner is designed to fit for 1999-2003 Ford F-250 Super Duty V8 7.3T, fits 1999-2003 Ford F-350 Super Duty V8 7.3T, and for 2000-2003 Ford Excursion V8 7.3T models.
