{"product_id":"pentair-challenger-impeller-assembly-3hp-355545z","title":"Pentair Challenger Impeller Assembly 3HP 355545Z Replacement","description":"\u003cdiv\u003e\n\u003ch1\u003ePentair Challenger 355545Z Diffuser Assembly (3HP) Replacement\u003c\/h1\u003e \u003ch2\u003eIntro\u003c\/h2\u003e\n\u003cp\u003eUpgrade your Pentair Challenger high-pressure inground pump with the 355545Z diffuser assembly. This durable black polymer diffuser is designed for 3HP Challenger systems and Waterfall AF-75\/AFP-75 pumps, delivering smooth, efficient flow across the impeller. When paired with the matching impeller 355604, it restores performance and extends pump life.\u003c\/p\u003e \u003ch2\u003eList of Features\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eBroad compatibility:\u003c\/strong\u003e Fits Pentair Challenger HP inground pumps and Waterfall AF-75\/AFP-75, including older 2F and 2-1\/2A units built before Oct 1992.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eComplete pairing:\u003c\/strong\u003e Designed to be used with impeller 355604 for proper seal and optimal clearance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePrecise dimensions:\u003c\/strong\u003e 14-1\/2\" L x 15-1\/2\" H x 8\" W ensure a direct factory-fit replacement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlow-diffusing design:\u003c\/strong\u003e Internal vanes reduce turbulence, boosting efficiency and lowering noise.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e Black polymer housing resists chemical exposure and outdoor elements for long service life.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEasy installation:\u003c\/strong\u003e Quick swap with common tools; minimizes downtime.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFinal Thoughts\u003c\/h2\u003e\n\u003cp\u003eFrom Duckies Pool Supply, this diffuser assembly provides dependable performance, easier maintenance, and restored pump efficiency. Used with the compatible 355604 impeller, it revives flow, pressure, and overall pool-system reliability. Ready for a hassle-free replacement? Add to cart and get your Challenger pump running like new today.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Duckies Pool Supply","offers":[{"title":"Default Title","offer_id":51644088025405,"sku":"355545Z","price":84.7,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0905\/3611\/6541\/files\/355545__04910.1739717136.jpg?v=1777385791","url":"https:\/\/www.duckiespoolsupply.com\/products\/pentair-challenger-impeller-assembly-3hp-355545z","provider":"Duckies Pool Supply","version":"1.0","type":"link"}