The Hustler 247352 Tensioner Spring is a genuine OEM replacement part designed to maintain optimal belt tension in various Hustler zero-turn mowers. This essential component ensures efficient power transfer and extends the life of belts and pulleys. It is compatible with Hustler Fastrak, Fastrak SD, Fastrak SDX, Raptor, Raptor SD, Raptor X, Raptor XD, Raptor XL, Super S, X-One, and X-Onei models. Weighing approximately 0.036 kg, with dimensions of 63.5 mm length, 16.002 mm width, and 16.002 mm height, this spring is built to Hustler's original specifications for reliable performance.