{"product_id":"48mm-cylinder-piston-kit-for-echo-backpack-blower-pb-650-pb-650h-pb-651h-pb-750h","title":"48mm Cylinder Piston Kit for Echo Backpack Blower PB-650 PB-650H PB-651H PB-750H","description":"\u003cstrong\u003eThis 48mm Cylinder Piston Kit is a replacement cylinder and piston assembly compatible with Echo backpack blower models PB-650, PB-650H, PB-651H, and PB-750H.\u003c\/strong\u003e \u003ch2\u003eProduct Overview\u003c\/h2\u003e \u003cp\u003eThe 48mm Cylinder Piston Kit restores compression and engine power in Echo PB-650 series backpack blowers. This cylinder piston kit replaces worn or scored original components to revive leaf blower performance. Designed as a direct-fit assembly, the 48mm cylinder piston kit meets OE tolerances for reliable daily operation.\u003c\/p\u003e \u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e48mm bore cylinder machined to tight tolerances for consistent compression\u003c\/li\u003e \u003cli\u003eComplete kit includes piston, rings, wrist pin, and circlips\u003c\/li\u003e \u003cli\u003eAluminum alloy piston with molybdenum disulfide coating reduces friction\u003c\/li\u003e \u003cli\u003eDirect-fit design requires no modifications on compatible Echo blowers\u003c\/li\u003e \u003cli\u003eHeat-treated cylinder walls resist scoring and extend service life\u003c\/li\u003e \u003cli\u003ePre-installed ring gap saves time during reassembly\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eEcho PB-650 Backpack Blower\u003c\/li\u003e \u003cli\u003eEcho PB-650H Backpack Blower\u003c\/li\u003e \u003cli\u003eEcho PB-651H Backpack Blower\u003c\/li\u003e \u003cli\u003eEcho PB-750H Backpack Blower\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCommon Uses\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eRestoring compression on Echo PB-650 series blowers with worn pistons\u003c\/li\u003e \u003cli\u003eEngine rebuilds during routine maintenance of commercial landscape equipment\u003c\/li\u003e \u003cli\u003eCorrecting hard-start and low-power symptoms caused by cylinder scoring\u003c\/li\u003e \u003cli\u003eExtending the service life of high-hour backpack blowers\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBore Diameter:\u003c\/strong\u003e 48mm\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePiston Material:\u003c\/strong\u003e Aluminum alloy with rings\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eKit Contents:\u003c\/strong\u003e Cylinder, piston, rings, wrist pin, circlips\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Will this kit fit the Echo PB-650T? \u003cstrong\u003eA:\u003c\/strong\u003e This kit is designed for the PB-650, PB-650H, PB-651H, and PB-750H backpack blowers; it may not fit other variants like the PB-650T without modification.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Do I need to hone the cylinder before installation? \u003cstrong\u003eA:\u003c\/strong\u003e The cylinder is pre-honed to the correct finish; only light cleaning is recommended before assembly.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53679673639185,"sku":"ZZ3A00620","price":85.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_1819b90a-cb93-4772-bf8d-20dab91de707.jpg?v=1781652580","url":"https:\/\/www.duraforce.com\/products\/48mm-cylinder-piston-kit-for-echo-backpack-blower-pb-650-pb-650h-pb-651h-pb-750h","provider":"DURAFORCE","version":"1.0","type":"link"}