{"product_id":"transmission-flat-idler-pulley-composite-nylon-suits-bigdog-hustler-zero-turn-mowers-replaces-604491","title":"Transmission Flat Idler Pulley  Composite Nylon  Suits BigDog \u0026 Hustler Zero Turn Mowers  Replaces 604491","description":"\u003cp\u003eDescription:\u003c\/p\u003e\u003cp\u003eNon-Genuine BigDog and Hustler Transmission Flat Idler Pulley  Composite Nylon Construction.\u003c\/p\u003e\u003cp\u003eDesigned for selected BigDog and Hustler zero turn radius (ZTR) ride-on mowers ranging from 36\" to 54\" decks.\u003c\/p\u003e\u003cp\u003eLightweight yet durable nylon composite pulley ensures smooth belt operation, reduced friction, and long-lasting performance in high-speed transmission systems.\u003c\/p\u003e\u003cp\u003eDirect replacement for OEM BigDog 604491 and Hustler 604491, ideal for maintaining drive efficiency and minimizing belt wear.\u003c\/p\u003e\u003cp\u003eReplaces OEM:\u003c\/p\u003e\u003cp\u003eBigDog: 604491\u003c\/p\u003e\u003cp\u003eHustler: 604491\u003c\/p\u003e\u003cp\u003ePulley Dimensions:\u003cbr\u003eSpecification Imperial Metric (mm)\u003cbr\u003eOutside Diameter (A) 2\" 50.8 mm\u003cbr\u003eCentre Hole \/ Bore (C) 3\/8\" 9.525 mm\u003cbr\u003eMaterial Composite Nylon —\u003cbr\u003ePulley Type Transmission Flat Idler —\u003cbr\u003eStandard Pack Quantity 1 —\u003cbr\u003eFits Models:\u003cbr\u003eBigDog Zero Turn Mowers\u003c\/p\u003e\u003cp\u003e42\" Cut: Alpha (models 932897EX, 934489EX, 939140EX), Alpha MP (936393EX).\u003c\/p\u003e\u003cp\u003e48\" Cut: Alpha MP (models 932947EX, 936526EX, 937581EX).\u003c\/p\u003e\u003cp\u003e52\" Cut: Alpha Series (models 932913EX, 939124EX).\u003c\/p\u003e\u003cp\u003e54\" Cut: Alpha MP (models 932939EX, 936518EX, 937573EX).\u003c\/p\u003e\u003cp\u003eHustler Zero Turn Mowers\u003c\/p\u003e\u003cp\u003e36\" Cut: Raptor SD (models 935262EX, 938365EX).\u003c\/p\u003e\u003cp\u003e42\" Cut: Raptor (models 933465EX, 934679EX, 938332EX, 939108EX), Raptor SD (models 935270EX, 936559EX, 938407EX).\u003c\/p\u003e\u003cp\u003e48\" Cut: Raptor SD (models 932566EX, 936542EX, 938399EX).\u003c\/p\u003e\u003cp\u003e52\" Cut: Raptor (models 931899EX, 938282EX, 939116EX).\u003c\/p\u003e\u003cp\u003e54\" Cut: Raptor SD (models 932558EX, 936534EX, 938381EX).\u003c\/p\u003e\u003cp\u003eUsed as a transmission flat idler pulley on selected BigDog and Hustler ZTR ride-on models.\u003c\/p\u003e\u003cp\u003eFeatures:\u003c\/p\u003e\u003cp\u003eHigh-strength composite nylon provides corrosion resistance and lightweight performance.\u003c\/p\u003e\u003cp\u003eEngineered for quiet operation and consistent belt alignment.\u003c\/p\u003e\u003cp\u003eDirect-fit replacement for OEM pulleys.\u003c\/p\u003e\u003cp\u003eReduces belt vibration and extends transmission life.\u003c\/p\u003e\u003cp\u003eDesigned for high-speed transmission use on 36\"–54\" deck zero turn mowers.\u003c\/p\u003e\u003cp\u003eSpecifications Summary:\u003cbr\u003eProperty Detail\u003cbr\u003eFits Brands BigDog, Hustler\u003cbr\u003ePulley Type Transmission Flat Idler\u003cbr\u003eMaterial Composite Nylon\u003cbr\u003eDiameter 2\" (50.8 mm)\u003cbr\u003eCentre Hole 3\/8\" (9.525 mm)\u003cbr\u003eStandard Pack Quantity 1\u003c\/p\u003e","brand":"Power Parts Direct","offers":[{"title":"Default Title","offer_id":48213529231604,"sku":"PU0018","price":48.75,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0825\/0209\/0996\/files\/PU0018.jpg?v=1778474721","url":"https:\/\/powerpartsdirect.com.au\/products\/transmission-flat-idler-pulley-composite-nylon-suits-bigdog-hustler-zero-turn-mowers-replaces-604491","provider":"Power Parts Direct ","version":"1.0","type":"link"}