{"product_id":"mk-morzon-engine-crankshaft-sleeve-adapter-fits-pulsar-ptg1220d5-sun-joe-includes-keys-screws","title":"MK-Morzon Engine Crankshaft Sleeve Adapter Fits Pulsar PTG1220D5 \u0026 Sun Joe — Includes Keys \u0026 Screws","description":"\u003cp\u003e\u003cstrong\u003eMK-Morzon's engine pulley crank shaft sleeve adapter increases a crankshaft's diameter so you can fit larger pulleys, gearboxes, or other drive components without replacing the motor.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis precision-machined sleeve adapter is engineered to bridge size gaps between gas engine crankshafts and oversized pulleys or gear reducers for selected mower and power-equipment models. Supplied with two retaining keys, two common screw sizes and a washer, the kit delivers the mechanical interface you need to upgrade or repair drive components while keeping existing engines intact. Every unit is tested to meet OEM-level standards and backed by a 12-month support and return policy.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this adapter let me use a larger pulley without changing the motor?\u003c\/h3\u003e\n\n\u003cp\u003eThe sleeve slides over the engine crankshaft to enlarge its effective diameter and provides keyways to lock pulleys and gearboxes in place. This creates a secure, concentric connection that transfers torque while preserving the original engine and its mounting points.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExpands crankshaft diameter to match larger pulleys or gearboxes.\u003c\/li\u003e\n  \u003cli\u003eIncludes two keys to lock components to the adapter for positive torque transfer.\u003c\/li\u003e\n  \u003cli\u003eRetaining screws (3\/8-24 and 7\/16-20) and washer secure the assembly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich machines and engines is this sleeve compatible with?\u003c\/h3\u003e\n\n\u003cp\u003eThe adapter is intended for specific consumer lawn and power-equipment models where the original crankshaft requires enlargement to accept alternate pulleys or gearboxes. Confirm model compatibility before installation to ensure a correct fit.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Pulsar Lawn PTG1220D5 engines.\u003c\/li\u003e\n  \u003cli\u003eCompatible with Realm RM-LM01-B2Z-340 units.\u003c\/li\u003e\n  \u003cli\u003eWorks with Sun Joe MJ404E-360-RED and Sun Joe MJ408E models.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat materials and testing standards does the product meet?\u003c\/h3\u003e\n\n\u003cp\u003eThe MK-Morzon sleeve is manufactured from durable, corrosion-resistant material chosen for wear resistance and dimensional stability under torque. Each adapter assembly is inspected and tested prior to shipping to verify fits, finishes and mechanical performance consistent with OEM expectations.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-strength, wear- and corrosion-resistant construction for long service life.\u003c\/li\u003e\n  \u003cli\u003e100% factory-tested to validate fit and function.\u003c\/li\u003e\n  \u003cli\u003eDesigned and certified to meet or exceed common OEM quality standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat hardware is included and how does it simplify installation?\u003c\/h3\u003e\n\n\u003cp\u003eThe kit arrives with all the fasteners needed to mount the sleeve and secure a pulley or gearbox, minimizing additional parts purchases and reducing installation time. The supplied keys and two screw sizes cover common attachment methods found on compatible models.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x shaft sleeve adapter ready to mount onto the crankshaft.\u003c\/li\u003e\n  \u003cli\u003e2 x keys to lock pulleys or gearboxes to the sleeve.\u003c\/li\u003e\n  \u003cli\u003e1 x 3\/8-24 screw, 1 x 7\/16-20 screw and 1 x washer included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This adapter is for DIY mechanics, small-engine technicians, and owners of compatible Pulsar, Realm and Sun Joe equipment who need a reliable way to fit larger pulleys or gearboxes without replacing the engine. It’s also useful for repair shops that want a tested, OEM-quality sleeve to restore proper drive alignment and torque transfer quickly. Always verify model fit and follow safe installation practices or consult a qualified technician if you’re unsure about fitment or torque specifications.\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: Can this adapter be used on engines not listed?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Possibly, if shaft dimensions and keyway match. Measure your crankshaft and compare with product specs before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What warranty and returns are offered?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: MK-Morzon provides 12 months of product service plus a hassle-free return and refund policy.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MK-Morzon","offers":[{"title":"Default Title","offer_id":55163596964183,"sku":"B0DSK9QWHS","price":31.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mk-morzon-sleeve-adapter-front-view.jpg?v=1790345823","url":"https:\/\/britishgarage.co.uk\/products\/mk-morzon-engine-crankshaft-sleeve-adapter-fits-pulsar-ptg1220d5-sun-joe-includes-keys-screws","provider":"British Garage","version":"1.0","type":"link"}