{"product_id":"8ten-idler-pulley-for-scag-mowers-replacement-3-8-bore-3-75-od-fits-483415-486045","title":"8TEN Idler Pulley for Scag Mowers — Replacement 3\/8\" Bore, 3.75\" OD, Fits 483415\/486045","description":"\u003cp\u003e\u003cstrong\u003e8TEN replacement idler pulley engineered to fit Scag mower models including Cheetah, Tiger Cat, Tiger Cub, Wildcat and Freedom Z, meeting OEM fit specs for part numbers 483415, 486045, 486045K.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your zero-turn or walk-behind mower is showing signs of belt slippage, noise, or irregular belt routing, the idler pulley is a common wear item that restores correct belt tracking and tension. This 8TEN pulley is made to match the dimensions and mounting style of the original Scag parts so you can replace the worn component without modifying the deck or drive system.\u003c\/p\u003e\n\n\u003ch3\u003eHow will this idler pulley restore belt performance?\u003c\/h3\u003e\n\u003cp\u003eReplacing a worn idler pulley re-establishes a straight, stable path for the drive or deck belt and removes wobble and vibration that accelerate belt wear. The 8TEN pulley has the same inner and outer diameters and height as the listed Scag parts to ensure proper contact and alignment with the belt.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExact ID 3\/8 inch for correct spindle fit\u003c\/li\u003e\n  \u003cli\u003eOD 3.75 inch to match belt wrap and contact angle\u003c\/li\u003e\n  \u003cli\u003eHeight 1.625 inch to maintain original belt spacing\u003c\/li\u003e\n  \u003cli\u003eDesigned to replace Scag OEM numbers 483415, 486045, 486045K\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich mower models is this compatible with?\u003c\/h3\u003e\n\u003cp\u003eThis idler pulley is compatible with a wide range of Scag zero-turn and walk-behind machines, plus specific cutter decks. Confirm your model and deck type before ordering to ensure fitment for belt routing and deck geometry.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Scag Cheetah, Tiger Cat, Tiger Cat-SS, Tiger Cub, Wildcat, and Freedom Z zero-turns\u003c\/li\u003e\n  \u003cli\u003eCompatible with SFW SFW36-16BV and SFW48-16BV walk-behinds\u003c\/li\u003e\n  \u003cli\u003eDesigned for cutter decks SMWC-48V, SMWC-52V, SMWC-61V and SMTC-48V\u003c\/li\u003e\n  \u003cli\u003eCross-references OEM part numbers 483415, 486045, 486045K\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the exact dimensions and mounting details?\u003c\/h3\u003e\n\u003cp\u003eThe pulley reproduces the key measurements of the OEM parts so it installs cleanly on the original spindle or bolt without adapters. Those precise dimensions reduce the chance of misalignment that can cause belt chirp or premature failure.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInner diameter (bore): 3\/8 inch to match factory spindle\/shaft\u003c\/li\u003e\n  \u003cli\u003eOuter diameter: 3.75 inch to maintain belt contact area\u003c\/li\u003e\n  \u003cli\u003eOverall height\/thickness: 1.625 inch for correct belt spacing\u003c\/li\u003e\n  \u003cli\u003eMounting style: direct-fit replacement for specified Scag pulleys\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I inspect and replace the pulley?\u003c\/h3\u003e\n\u003cp\u003eBefore replacing, check for rough rotation, sideways play, visible wear on the pulley face, or belt glazing and fraying. Swap the pulley when bearings feel rough or the face is scored; installation is straightforward with basic hand tools and the original hardware.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInspect for bearing noise, wobble, or vertical play\u003c\/li\u003e\n  \u003cli\u003eReplace when belt tracking is inconsistent or belt damage appears\u003c\/li\u003e\n  \u003cli\u003eUse original bolt, washer, and spacer locations to preserve alignment\u003c\/li\u003e\n  \u003cli\u003eRe-check belt tension and routing after installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This 8TEN idler pulley is intended for professional landscapers, fleet managers, and homeowners who maintain Scag zero-turn and walk-behind mowers and need a reliable, direct-fit replacement part. If you own one of the listed Scag models or cutter decks and need to correct belt routing, reduce noise, or prevent premature belt failure, this OEM-compatible pulley offers a cost-effective repair option that preserves original equipment geometry.\u003c\/p\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: Does this 8TEN pulley fit my Scag 48-inch deck?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — it fits SMWC-48V and SMTC-48V cutter decks and matches OEM part numbers listed.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the pulley dimensions I should confirm?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Confirm a 3\/8-inch bore, 3.75-inch outer diameter, and 1.625-inch height for compatibility.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"8TEN","offers":[{"title":"Default Title","offer_id":55165831840087,"sku":"B0C3NW6NCH","price":37.28,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/8ten-idler-pulley-front-face.jpg?v=1790358345","url":"https:\/\/britishgarage.co.uk\/products\/8ten-idler-pulley-for-scag-mowers-replacement-3-8-bore-3-75-od-fits-483415-486045","provider":"British Garage","version":"1.0","type":"link"}