{"product_id":"a-b1091179ma-ai-idler-pulley-bside","title":"A-B1091179MA-AI IDLER PULLEY-B'SIDE","description":"\u003ch3\u003eOne New Aftermarket Replacement Backside Idler Pulley for Murray \/ Fits Briggs \u0026amp; Fits Stratton Lawn Tractors\u003c\/h3\u003e\u003cp\u003eThis flat backside idler pulley (B'Side) serves as the engine-to-transmission drive belt tensioner on Murray riding lawn tractors with 38, 40, and 42-inch decks. It maintains proper belt tension in the drive system, ensuring smooth power transfer and reliable mower operation. This aftermarket replacement fits Murray, Scotts, and Ranch King lawn tractors and is a direct replacement for Murray OEM part numbers 091179MA and 421409MA.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eOuter Diameter: 3.33 in.\u003c\/li\u003e\n\u003cli\u003eInner Diameter: 0.50 in.\u003c\/li\u003e\n\u003cli\u003eHeight: 1.00 in.\u003c\/li\u003e\n\u003cli\u003eStyle: Flat idler pulley\u003c\/li\u003e\n\u003cli\u003eApplication: Engine-to-transmission drive belt (backside\/B'Side)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatible Models\u003c\/h4\u003e\u003cp\u003e\u003cstrong\u003eMurray 38-Inch Lawn Tractors:\u003c\/strong\u003e 38500A, 38500B, 38500x30A, 38500x83A, 38500x192A, 38500x192B, 38501x50A, 38501x50B, 38502x51A, 38502x51B, 38502x66A, 38502x67A, 38502x98A, 38504A, 38504x25A, 38506x4A, 38506x199A, 38510x50A, 38510x59A, 38514x95A, 38515x83A, 38515x92A, 38515x92B, 38516x29A, 38516x52A, 38602x66F, 38602x70H, 38602x70J, 38623x5C, 38623x5D, 38632x66B, 38633x92A, 38633x92B, 38702x7A, 38702x7B, 38702x8D, 38702x8E, 38702x20D, 38702x20E, 38705A, 38705x5A, 38705x5B, 38705x30A, 38706A, 38706x99A, 38706x99B, 38710A, 38711x20A, 38711x29A, 38711x52A, 38711x66A, 38711x67A, 38711x73A, 38711x96A, 38712x53A, 38712x66A, 38713x71A, 38714x51A, 38715A, 38715x82A, 38716x82A\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMurray 40-Inch Lawn Tractors:\u003c\/strong\u003e 40320x88, 40501x30A, 40502x50A, 40502x50B, 40503x88A, 40503x88B, 40504x92A, 40505x95A, 40507x8B, 40530x51A, 40530x51B, 40530x51C, 40530x83A, 40530x92A, 40530x192A, 40531x50A, 40531x59A, 40536x4A, 40538A, 40541A, 40541C, 40541x30A, 40542A, 40542B, 40542C, 40542D, 40614B, 40614C, 40706A, 40706B, 40708C, 40717A, 40910B\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMurray 42-Inch Lawn Tractors:\u003c\/strong\u003e 42500A, 42500x30A\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eMurray Lawn Tractors (Series):\u003c\/strong\u003e 31621x70G, 31720x11B, 31720x11C, 31720x20E, 31720x51A, 31720x51B, 31720x51C, 31721x88A, 31722x95A, 39711x97A\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRanch King:\u003c\/strong\u003e 38715x82A, 38716x82A (38-inch); 42500x82A (42-inch)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eScotts 38-Inch:\u003c\/strong\u003e 38702x7A, 38702x7B, 38702x8D, 38702x8E\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eScotts 40-Inch:\u003c\/strong\u003e 40507x8B, 40708x8A, 40708x8B\u003c\/p\u003e\u003ch4\u003eReplaces Part Number(s):\u003c\/h4\u003e\u003cp\u003e091179MA, 91179MA, 91179, 091179, 0091179, 421409MA, 421409\u003c\/p\u003e\u003ch4\u003eAftermarket Interchange Numbers\u003c\/h4\u003e\u003cp\u003eHayter MY91179, Fits Stens 280-499, 8TEN 810-CID2269L\u003c\/p\u003e\u003cp\u003eNew aftermarket replacement part - not remanufactured, not used.\u003c\/p\u003e","brand":"Reliable Aftermarket Parts, Inc® -OD","offers":[{"title":"Default Title","offer_id":40536485855315,"sku":"A-B1091179MA-AI","price":22.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0079\/4060\/3955\/files\/RAP_ComingSoon_Tractor_25055a99-406a-4c52-b684-55d6de4dca0a.jpg?v=1758093309","url":"https:\/\/www.reliableaftermarketparts.co.uk\/products\/a-b1091179ma-ai-idler-pulley-bside","provider":"Reliable Aftermarket Parts, Inc®","version":"1.0","type":"link"}