{"product_id":"acebri-pto-clutch-replacement-for-cub-cadet-mtd-717-05121-917-05121-heat-treated-steel-high-starting-torque","title":"ACEBRI PTO Clutch Replacement for Cub Cadet \u0026 MTD (717-05121 \/ 917-05121) — Heat-Treated Steel, High Starting Torque","description":"\u003cp\u003e\u003cstrong\u003eACEBRI PTO clutch is a direct-fit electric clutch replacement engineered to restore blade engagement for compatible Cub Cadet, MTD and Troy-Bilt zero-turn and lawn tractors.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty PTO clutch from ACEBRI replaces common OEM units (including 717-05121 and 917-05121 series) and is built for reliable engagement, higher starting torque and consistent braking. It’s made from heat-treated steel for durability across seasonal temperature swings and designed to fit specific Cub Cadet, MTD, Troy-Bilt and related mower models where the OEM part numbers match.\u003c\/p\u003e\n\n\u003ch3\u003eWhich mowers will this ACEBRI PTO clutch fit?\u003c\/h3\u003e\n\u003cp\u003eThis clutch fits a range of Cub Cadet, MTD and Troy-Bilt machines including many RZT series zero-turns and select Columbia models. Compatibility includes several model years—always compare part numbers and shaft\/pulley counts before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect replacements for OEM numbers such as 717-05121 and 917-05121\u003c\/li\u003e\n  \u003cli\u003eFits Cub Cadet RZT-42 and RZT-S42 models from identified years (see manufacturer compatibility)\u003c\/li\u003e\n  \u003cli\u003eCompatible with select Troy-Bilt Mustang and Colt zero-turn models\u003c\/li\u003e\n  \u003cli\u003eChecks: 1\" crankshaft, 6-groove pulley, CCW rotation, approx. 80 torque rating\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this clutch perform compared with the original equipment?\u003c\/h3\u003e\n\u003cp\u003eACEBRI’s replacement uses high-quality, repeatedly heat-treated steel and a manufacturing process aimed at improving initial torque and braking strength. That translates to dependable blade engagement and better resistance to wear under typical lawn-mower loads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigher initial torque for reliable blade start-up\u003c\/li\u003e\n  \u003cli\u003eEnhanced braking to stop blades quickly when disengaged\u003c\/li\u003e\n  \u003cli\u003eHeat-treated steel resists fatigue from temperature changes\u003c\/li\u003e\n  \u003cli\u003eBuilt to match OEM dimensions for straightforward fitment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I check before installing this PTO clutch?\u003c\/h3\u003e\n\u003cp\u003eConfirm the clutch’s shaft size, pulley groove count, rotation direction and OEM cross-reference numbers match your existing unit. Also inspect mounting bolts, wiring and the condition of the deck spindle to ensure the new clutch will operate smoothly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify crankshaft diameter is 1\" and pulley has 6 grooves\u003c\/li\u003e\n  \u003cli\u003eConfirm counterclockwise (CCW) rotation matches your mower\u003c\/li\u003e\n  \u003cli\u003eCompare OEM numbers: 717-05121, 917-05121 and similar Warner cross-references\u003c\/li\u003e\n  \u003cli\u003eCheck wiring connector type and tighten mounting hardware to spec\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is it to install and maintain this replacement clutch?\u003c\/h3\u003e\n\u003cp\u003eThe ACEBRI unit is designed for straightforward replacement with basic tools and common mechanical skills. Routine checks and keeping the pulley and wiring clean will extend service life and maintain reliable engagement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSimple swap when OEM specs match—no special tools required\u003c\/li\u003e\n  \u003cli\u003eInspect and clean wire connectors before reconnection\u003c\/li\u003e\n  \u003cli\u003ePeriodically check pulley grooves and mounting bolts for wear\u003c\/li\u003e\n  \u003cli\u003eSeller support available for fitment questions from ACEBRI Shop\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this is for: Owners and technicians of Cub Cadet, MTD, Troy-Bilt and compatible zero-turn or lawn tractor models who need a durable, OEM-compatible electric PTO clutch replacement. It’s ideal for users replacing worn clutches, restoring blade engagement on older machines or stocking reliable spare parts for seasonal maintenance. If you’re unsure about fitment, provide your mower model\/year and existing part number to ACEBRI Shop for confirmation before purchasing.\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 ACEBRI clutch replace OEM 917-05121?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — ACEBRI lists compatibility with 917-05121 and equivalent OEM numbers; verify shaft, pulley grooves, and rotation before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What are the key specs to check for fitment?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Confirm 1\" crankshaft, 6-groove pulley, CCW rotation and matching OEM cross-reference numbers.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ACEBRI","offers":[{"title":"Default Title","offer_id":56805462507860,"sku":"B09WD6VNMW","price":185.79,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1063\/2652\/4244\/files\/acebri-front-view-clutch.jpg?v=1786803819","url":"https:\/\/gardenluxe.co.uk\/products\/acebri-pto-clutch-replacement-for-cub-cadet-mtd-717-05121-917-05121-heat-treated-steel-high-starting-torque","provider":"Gardenluxe Uk","version":"1.0","type":"link"}