{"product_id":"deck-pulley-109-4077","title":"109-4077 Flat Idler Pulley Replacement for Exmark Mower Decks","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis aftermarket \u003cstrong\u003e109-4077 flat idler pulley\u003c\/strong\u003e is a replacement mower deck pulley for compatible \u003cstrong\u003eExmark\u003c\/strong\u003e mower deck applications.\u003c\/p\u003e\n\u003cp\u003eUse this listing when your original pulley number matches \u003cstrong\u003e109-4077\u003c\/strong\u003e or one of the replacement numbers below.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Flat Idler Pulley\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter:\u003c\/strong\u003e 118 mm - 4.63 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore \/ Center Hole:\u003c\/strong\u003e 17 mm - 0.66 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley Width:\u003c\/strong\u003e 26 mm - 1.02 in\u003c\/li\u003e\n\u003cli\u003eAftermarket replacement pulley for mower deck belt-drive systems\u003c\/li\u003e\n\u003cli\u003eUse for compatible Exmark mower deck applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eCompatible Brands \u0026amp; Model Series\u003c\/h2\u003e\n\u003cp\u003eCommon compatible model paths include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExmark:\u003c\/strong\u003e Turf Tracer Front Mount Deck\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExmark:\u003c\/strong\u003e FMD524 (SN: 000720000 - 000999999) (2008-2011) 52-inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExmark:\u003c\/strong\u003e (SN: 312000000 - 312999999) (2012)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExmark:\u003c\/strong\u003e FMD604 (SN: 000720000 - 000999999) (2008-2011) 60-inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExmark:\u003c\/strong\u003e FMD604 (SN: 312000000 - 312999999) (2012)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExmark:\u003c\/strong\u003e Explorer Zero-Turn Mower 52-inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExmark:\u003c\/strong\u003e EX20KC 20hp Koh. (SN: 130000 - 149999) (1997)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExmark:\u003c\/strong\u003e EXS-18KO-2 18hp Koh. (SN: 070000- 089999) (1992-1993)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExmark:\u003c\/strong\u003e EXS-18KO 18hp Koh. (SN: 070000 - 089999) (1992-1993)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExmark:\u003c\/strong\u003e EXS-20KC-2 20hp Koh. (SN: 070000-129999) (1992-1996)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExmark:\u003c\/strong\u003e EXS-20KC 20hp Koh. (SN: 090000 - 129999) (1994-1996)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExmark:\u003c\/strong\u003e EXS-20KO 20hp Koh. (SN: 070000 - 089999) (1992-1993)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eReplaces OEM Part Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e109-4077\u003c\/li\u003e\n\u003cli\u003e602501\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eCommon Symptoms of a Worn Deck Pulley\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMower deck belt squealing, slipping, or jumping off track\u003c\/li\u003e\n\u003cli\u003eVisible pulley wobble or uneven belt tracking\u003c\/li\u003e\n\u003cli\u003eGrinding, rattling, or bearing noise near the deck pulley\u003c\/li\u003e\n\u003cli\u003eReduced blade speed or inconsistent cut quality caused by poor belt tension\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Buy From PTO Direct USA?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFast USA shipping\u003c\/li\u003e\n\u003cli\u003eFitment-focused replacement parts support\u003c\/li\u003e\n\u003cli\u003eClear part-number matching to help reduce wrong-part orders\u003c\/li\u003e\n\u003cli\u003eReplacement mower deck parts for homeowners, shops, and landscape crews\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eNeed Help Confirming Fitment?\u003c\/h2\u003e\n\u003cp\u003eIf you are not sure this is the correct pulley, send us your mower model number, deck size, and the part number from your original pulley. We can help compare the replacement path before you order.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ch3\u003eHow do I confirm this pulley fits my mower?\u003c\/h3\u003e\n\u003cp\u003eStart by matching the OEM pulley number on your original part. Then compare the outside diameter, bore or center-hole size, pulley width, belt profile, deck layout, and mower model.\u003c\/p\u003e\n\u003ch3\u003eCan I order by appearance alone?\u003c\/h3\u003e\n\u003cp\u003eNo. Similar-looking deck pulleys can have different bore sizes, offsets, belt profiles, and deck applications. Match the part number and dimensions first.\u003c\/p\u003e\n\u003ch3\u003eWhat causes a mower deck pulley to fail?\u003c\/h3\u003e\n\u003cp\u003eCommon causes include worn bearings, belt misalignment, impact damage, seized hardware, or long-term wear from deck belt tension.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cstrong\u003eNeed another pulley?\u003c\/strong\u003e Browse the full \u003ca href=\"\/collections\/pulleys\"\u003emower deck pulley collection\u003c\/a\u003e for additional replacement options.\u003c\/p\u003e","brand":"PTO Direct USA","offers":[{"title":"Default Title","offer_id":53182205460847,"sku":"CAL-296869691507-1PK","price":21.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0957\/5058\/6735\/files\/109-4077-pulley.jpg?v=1783313078","url":"https:\/\/ptodirectusa.com\/products\/deck-pulley-109-4077","provider":"PTO Direct USA","version":"1.0","type":"link"}