{"product_id":"sehnsucht-driver-pulley-for-30-series-torque-converter-3-4-bore-6-diameter-iron-3-16-keyway","title":"SEHNSUCHT Driver Pulley for 30-Series Torque Converter 3\/4\" Bore 6\" Diameter, Iron 3\/16\" Keyway","description":"\u003cstrong\u003eSEHNSUCHT Driver Pulley Replacement is a 3\/4\"-bore torque converter driver compatible with 30-series go kart clutches and 6.5HP (212cc) engines.\u003c\/strong\u003e\n\nThis replacement driver pulley is designed to restore power transfer and reliable engagement for go karts, mini bikes, and other small-engine applications that use a 30-series Comet-style torque converter. Built from durable iron, the part matches the dimensions of common OEM 219552A driver clutches while keeping weight low and heat dissipation quick. It’s intended for engines that have a straight 3\/4\" (19 mm) crankshaft and is optimized for 2HP–8HP setups, with the sweet spot around 6.5HP \/ 212cc engines.\n\n\u003ch3\u003eHow does this pulley match my existing 30-series torque converter?\u003c\/h3\u003e\n\u003cp\u003eThis SEHNSUCHT driver pulley mirrors the key dimensions and profile used by many 30-series Comet-compatible converters, ensuring a straightforward fit when your crank and converter follow the same standard. It uses a 3\/16\" keyway and a 3\/4\" straight bore so it seats correctly on compatible shafts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDiameter: 6\" to match 30-series driver sizing\u003c\/li\u003e\n  \u003cli\u003eBore: 3\/4\" (19 mm) straight bore, not for 20 mm or 1\" shafts\u003c\/li\u003e\n  \u003cli\u003eKeyway: 3\/16\" for secure torque transfer\u003c\/li\u003e\n  \u003cli\u003eCompatible OEM reference: 219552A style geometry\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this pulley work on my engine and equipment?\u003c\/h3\u003e\n\u003cp\u003eUse this pulley if your engine has a straight 3\/4\" crankshaft and your vehicle or machine accepts 30-series torque converters. It’s commonly used on 6.5HP (212cc) engines and fits many Manco go karts, Comet converters, mini bikes, and some lawn equipment within the 2–8HP range.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits engines with 3\/4\" (19 mm) straight crankshafts only\u003c\/li\u003e\n  \u003cli\u003eRecommended for 2HP–8HP engines; ideal around 6.5HP \/ 212cc\u003c\/li\u003e\n  \u003cli\u003eNot compatible with 0.787\" (20 mm) or 1\" bores\u003c\/li\u003e\n  \u003cli\u003eWorks with Manco, Comet and similar 30-series systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and durability features does this replacement include?\u003c\/h3\u003e\n\u003cp\u003eThe pulley is manufactured from high-grade iron to balance strength and weight. Its build tolerates repeated engagement and slip cycles while facilitating faster heat dissipation than heavier cast components, helping extend service life under typical recreational and light commercial use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePremium iron construction for rigidity and longevity\u003c\/li\u003e\n  \u003cli\u003eLightweight design reduces rotational inertia\u003c\/li\u003e\n  \u003cli\u003eEngineered for improved heat dissipation and wear resistance\u003c\/li\u003e\n  \u003cli\u003ePrecision bore and keyway for consistent torque delivery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and check compatibility before buying?\u003c\/h3\u003e\n\u003cp\u003eMeasure your crankshaft bore and keyway before purchasing: you need a straight 3\/4\" (19 mm) bore and a 3\/16\" keyway to ensure proper fit. Installation follows standard driver pulley replacement procedures—slide onto shaft, align key, and secure per your torque converter manufacturer’s instructions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConfirm shaft diameter: 3\/4\" (19 mm) straight bore required\u003c\/li\u003e\n  \u003cli\u003eVerify key size: 3\/16\" keyway alignment needed\u003c\/li\u003e\n  \u003cli\u003eInspect mating converter and belt for wear during replacement\u003c\/li\u003e\n  \u003cli\u003eFollow torque specs for set screws or fasteners from OEM guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for?\n\nThis SEHNSUCHT driver pulley replacement is aimed at DIY mechanics, go-kart hobbyists, small-vehicle repair shops, and anyone maintaining or restoring 30-series Comet-style torque converters on 2–8HP engines. Choose this unit if your machine requires a 3\/4\" bore driver with a 3\/16\" keyway and you want an economical, durable aftermarket option that aligns with common Manco and Comet 219552A specifications. If you’re uncertain about fit, measure your crankshaft bore and key before ordering or contact customer support for assistance.\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this pulley compatible with a 20 mm crankshaft?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. This pulley fits a 3\/4\" (19 mm) straight bore only; it will not fit 0.787\" (20 mm) shafts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What engines are recommended for this driver pulley?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Recommended for 2–8HP engines, commonly used with 6.5HP (212cc) setups and 30-series torque converters.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"SEHNSUCHT","offers":[{"title":"Default Title","offer_id":48085508882590,"sku":"B0BGLD3BJH","price":40.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/sehnsucht-driver-pulley-front-view.jpg?v=1785871373","url":"https:\/\/northtrailauto.ca\/products\/sehnsucht-driver-pulley-for-30-series-torque-converter-3-4-bore-6-diameter-iron-3-16-keyway","provider":"North Trail Auto","version":"1.0","type":"link"}