Fits 1997-1998 Ford LT8501. 1997 Ford LT8501 Engine: 8.3L L6;. 1998 Ford LT8501 Engine: 8.3L L6;. Part Type: Accessory Drive Belt Tensioner Assembly. HD TENSIONER. Belt Type: Serpentine. To confirm that this part fits your vehicle, enter your vehicle's Year, Make, Model, Trim and Engine in theCompatibility Table.