{"product_id":"rotary-2-pack-flat-idler-pulley-for-exmark-toro-109-3397-3-8-in-bore-3-1-2-in-od","title":"Rotary 2 Pack Flat Idler Pulley for Exmark Toro 109-3397 – 3\/8-in Bore, 3-1\/2-in OD","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Rotary 2 Pack Flat Idler Pulley is designed to refresh the belt path on compatible Exmark Toro decks and drive systems. Specifically designed for Exmark 109-3397, this pair helps keep belts riding true and reduces unwanted belt slip during mowing tasks.\u003c\/p\u003e\n\u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFits Exmark 109-3397\u003c\/li\u003e\n\u003cli\u003eInside diameter: 3\/8-in\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 3-1\/2-in\u003c\/li\u003e\n\u003cli\u003eHeight: 3\/4-in\u003c\/li\u003e\n\u003cli\u003eRotary part number: 12301\u003c\/li\u003e\n\u003cli\u003eIncludes: 2 pulleys\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTwo new Rotary flat idler pulleys\u003c\/li\u003e\n\u003cli\u003eIdentical dimensions for consistent belt tracking\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReal-world use and benefits\u003c\/h3\u003e\n\u003cp\u003eWhen belts appear to wander or track unevenly, a fresh idler helps restore alignment. The precise bore and diameter ensure a snug fit on compatible shafts, reducing wobble and vibrations that can affect cutting performance.\u003c\/p\u003e\n\u003cp\u003eUsers may notice smoother operation and potentially longer belt life with properly aligned pulleys. The 2-pack design offers a convenient replacement option, often used to refresh both sides of a mower deck or drive system, helping downtime be minimal.\u003c\/p\u003e\n\u003ch3\u003eMaterial and durability\u003c\/h3\u003e\n\u003cp\u003eThe construction is designed to withstand outdoor conditions and maintain a steady rotation over time, contributing to predictable belt tracking across mowing sessions.\u003c\/p\u003e\n\u003ch3\u003eInstallation tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify compatibility with Exmark 109-3397 before swapping parts\u003c\/li\u003e\n\u003cli\u003eBegin with the mower off and cooled; unplug or remove power as required\u003c\/li\u003e\n\u003cli\u003eCarefully remove the old pulley, align the new one to the same belt path, and secure with the original hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What comes in the Rotary 2 Pack Flat Idler Pulley listing?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Two Rotary flat idler pulleys designed to fit Exmark 109-3397, with a 3\/8-in bore and 3-1\/2-in outside diameter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this the right part for my Exmark Toro deck?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This pair is sized for Exmark 109-3397. Check bore and pulley diameter to ensure compatibility with the Rotary part 12301.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Rotary","offers":[{"title":"Default Title","offer_id":43989871034502,"sku":"B07Q3WW3B4","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0665\/1602\/5478\/files\/rotary-flat-idler-pulley-exmark-toro-109-3397-2pack.jpg?v=1778889317","url":"https:\/\/patiozora.com\/products\/rotary-2-pack-flat-idler-pulley-for-exmark-toro-109-3397-3-8-in-bore-3-1-2-in-od","provider":"PatioZora","version":"1.0","type":"link"}