{"product_id":"pto-clutch-103-0665","title":"103-0665 PTO Clutch Replacement for Toro Z-Master \u0026 Exmark Lazer Z | Replaces 2721337, 787366 \u0026 More","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003eToro PTO clutch 103-0665 replacement\u003c\/strong\u003e also replaces OEM part numbers \u003cstrong\u003e2721337\u003c\/strong\u003e, \u003cstrong\u003e1-631732\u003c\/strong\u003e, \u003cstrong\u003e1-641300\u003c\/strong\u003e, and \u003cstrong\u003e787366\u003c\/strong\u003e. Designed for an exact OEM-spec fit on \u003cstrong\u003e\u003ca href=\"\/collections\/toro-pto-clutches\"\u003eToro\u003c\/a\u003e\u003c\/strong\u003e, \u003cstrong\u003e\u003ca href=\"\/collections\/exmark-pto-clutches\"\u003eExmark\u003c\/a\u003e\u003c\/strong\u003e, \u003cstrong\u003e\u003ca href=\"\/collections\/husqvarna-pto-clutches\"\u003eHusqvarna\u003c\/a\u003e\u003c\/strong\u003e, and \u003cstrong\u003eWheel Horse\u003c\/strong\u003e mower platforms, this electric PTO clutch delivers smooth blade engagement, consistent torque transfer, and reliable long-term mowing performance.\u003c\/p\u003e\n\n\u003cp\u003eCommonly used on Toro Z-Master, Exmark Lazer Z, and Husqvarna ZTH series commercial mower platforms, this clutch provides dependable PTO engagement for heavy-duty mowing applications.\u003c\/p\u003e\n\n\u003cp\u003eBuilt with a \u003cstrong\u003e6.10-inch pulley diameter\u003c\/strong\u003e, \u003cstrong\u003e1-1\/8 inch crankshaft bore\u003c\/strong\u003e, and \u003cstrong\u003eCW rotation\u003c\/strong\u003e, this clutch is engineered for reliable operation at engine speeds up to 3600 RPM. High-temperature bearings and an encapsulated electromagnetic coil help ensure consistent performance and long service life under demanding conditions.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDirect OEM replacement electric PTO clutch assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePulley Diameter:\u003c\/strong\u003e 6.10 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrankshaft Size:\u003c\/strong\u003e 1-1\/8 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotation:\u003c\/strong\u003e CW (clockwise)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Speed:\u003c\/strong\u003e Up to 3600 RPM\u003c\/li\u003e\n\u003cli\u003eEncapsulated electromagnetic coil for reliable engagement\u003c\/li\u003e\n\u003cli\u003eHigh-temperature bearings for consistent performance\u003c\/li\u003e\n\u003cli\u003eDesigned for stable operation under load\u003c\/li\u003e\n\u003cli\u003eFully assembled and ready to install\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eCompatible With These Brands \u0026amp; Model Series\u003c\/h2\u003e\n\u003cp\u003eThis PTO clutch fits Toro, Exmark, Husqvarna, and related commercial mower platforms using the same OEM specification.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eToro Z-Master Series:\u003c\/strong\u003e Z252L, Z255, Z256, Z257, Z283L, Z286E, Z287L (52\", 62\", 72\" SFS decks)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eExmark Lazer Z Series\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHusqvarna ZTH Series:\u003c\/strong\u003e ZTH5223A, ZTH5225A, ZTH6125A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel Horse:\u003c\/strong\u003e Commando 800, RR-532\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoulan Pro:\u003c\/strong\u003e PR20PH42STA\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFitment can vary by configuration and production year. Always confirm your part number matches one of the numbers listed below.\u003c\/p\u003e\n\n\u003ch2\u003eReplaces OEM Part Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eToro \/ Exmark:\u003c\/strong\u003e 103-0665, 103-0501, 1-631732, 1-641300, 631732, 641300, E631732, E633099\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHusqvarna \/ AYP:\u003c\/strong\u003e 2721337\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdditional:\u003c\/strong\u003e 787366, 787366K, 180265, 070-5035-00\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAftermarket Cross-Reference Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e\u003ca href=\"\/pages\/warner-pto-clutch-systems\"\u003eWarner:\u003c\/a\u003e\u003c\/strong\u003e 5218-213, 5218-65, 5218-165, 5218-225, 5218-95\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOregon:\u003c\/strong\u003e 33-115, 33-139, 33-155, 33-188\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTENS:\u003c\/strong\u003e 255-552, 255-535, 255-642, 255-865, 255-120X, 255-803X, 255-553\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eComplete electric PTO clutch assembly\u003c\/li\u003e\n\u003cli\u003eFactory-balanced 6.10\" pulley\u003c\/li\u003e\n\u003cli\u003ePre-installed high-temperature bearings\u003c\/li\u003e\n\u003cli\u003eEncapsulated electromagnetic coil\u003c\/li\u003e\n\u003cli\u003ePlug-and-play wiring connector\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch2\u003eWhy Buy From PTO Direct USA?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFast USA shipping\u003c\/li\u003e\n\u003cli\u003eOEM-spec \u003ca href=\"\/pages\/fitment-guarantee\"\u003efitment guarantee\u003c\/a\u003e\n\u003c\/li\u003e\n\u003cli\u003e1-year warranty\u003c\/li\u003e\n\u003cli\u003ePremium PTO Direct USA product images for easy identification\u003c\/li\u003e\n\u003cli\u003eTrusted replacement supplier for commercial operators and professionals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003cp\u003eNeed a different fitment? Browse the full \u003ca href=\"\/collections\/pto-clutches\"\u003eelectric PTO clutch catalog\u003c\/a\u003e to see all available replacement options.\u003c\/p\u003e","brand":"PTO Direct USA","offers":[{"title":"Default Title","offer_id":52646492111215,"sku":"C-PTO-0082","price":134.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0957\/5058\/6735\/files\/103-0665-pto-clutch.jpg?v=1771560318","url":"https:\/\/ptodirectusa.com\/products\/pto-clutch-103-0665","provider":"PTO Direct USA","version":"1.0","type":"link"}