About this item This is a compatible with Hustler 3.00 x .50 extension spring, Replacement part number 604490.Helps control the tension of Pump Belt (607400) from the idler arm, ensuring smooth and efficient operation it ‘s replacement for worn or damaged parts, ensuring optimum performance and longevity of your mower! Drive Tensioner Spring is compatible with Raptor, Raptor SD, Raptor Limited and the MDV.Keep your lawn looking its best all season long Springs 607400 indispensable component for maintenance and repair of lawn mowers.Please check the model and part number before purchase to avoid compatibility issues Drive tensioner can be used replacement for MTD732-0826A 7320826A 732-08267320826 lawn mowers.:Whether you are a professional landscaper or a DIY enthusiast, this versatile and affordable product is great value for money! 3.00″ X .50″ Ext Spring,Helps control the tension of Pump Belt (607400) from the idler arm, ensuring smooth and efficient operation it ‘s replacement for worn or damaged parts, ensuring optimum performance and longevity of your mower!