{"product_id":"polarispolaris3900bottomhousing39004pls39004","title":"Polaris 3900 Bottom Housing | 39-004","description":"\u003cdiv\u003e\n  \u003ch2\u003ePolaris 39-004 Bottom Housing Assembly – Replacement Lower Body Shell for Polaris 3900 Sport Pressure Pool Cleaner\u003c\/h2\u003e\n\n  \u003cp\u003e\n    The Polaris \u003cstrong\u003e39-004\u003c\/strong\u003e is the replacement \u003cstrong\u003ebottom housing\u003c\/strong\u003e (lower body shell) for the\n    \u003cstrong\u003ePolaris 3900 Sport\u003c\/strong\u003e pressure-side pool cleaner. This is the main lower housing that supports and protects the cleaner’s internal\n    drive and water-management components and provides the mounting structure for the wheel and chassis assemblies.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 39-004\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Bottom housing \/ lower body shell\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCleaner Compatibility:\u003c\/strong\u003e Polaris 3900 Sport (verify with your cleaner parts diagram)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Structural lower housing that holds internal assemblies and helps keep the cleaner aligned and sealed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUse Case:\u003c\/strong\u003e Replace a cracked, broken, or worn bottom housing that causes misalignment, leaks, or poor drive performance\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eCommon Reasons to Replace\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eHousing is cracked or broken from impact, age, or stress\u003c\/li\u003e\n    \u003cli\u003eMounting points are stripped or damaged (wheel\/axle\/gearbox components won’t stay secured)\u003c\/li\u003e\n    \u003cli\u003eCleaner has abnormal dragging, misalignment, or unstable tracking due to chassis damage\u003c\/li\u003e\n    \u003cli\u003eInternal components won’t seat correctly because the lower shell is warped or worn\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Notes\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eTurn off the booster pump and remove the cleaner from the pool before servicing.\u003c\/li\u003e\n    \u003cli\u003eThis is a major structural component—transfer internal parts carefully and keep hardware organized during disassembly.\u003c\/li\u003e\n    \u003cli\u003eWhile the cleaner is open, inspect related wear items (gearbox, wheel bearings, wheels\/tires, and seals) to avoid repeat tear-downs.\u003c\/li\u003e\n    \u003cli\u003eAfter reassembly, confirm wheels spin freely and the cleaner tracks smoothly with no rubbing or binding.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eRelated Products\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=polaris%2039-004\"\u003eSearch: Polaris 39-004\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=polaris%203900%20sport%20parts\"\u003eSearch: Polaris 3900 Sport Parts\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=polaris%2039-200\"\u003eSearch: Polaris 39-200 Gearbox Assembly\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=polaris%2039-300\"\u003eSearch: Polaris 39-300 Water Management System (WMS)\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=polaris%2039-005\"\u003eSearch: Polaris 39-005 Rear Housing\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=polaris%2039-401\"\u003eSearch: Polaris 39-401 Single-Side Wheel\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=polaris%209-100-1108\"\u003eSearch: Polaris 9-100-1108 Wheel Bearings\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=polaris%2039-500\"\u003eSearch: Polaris 39-500 Sweep Hose\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/search?q=polaris%20wall%20fitting%20screen\"\u003eSearch: Polaris Wall Fitting Screens\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"https:\/\/aquapoolsupply.com\/collections\/vendors?q=polaris\"\u003eShop: Polaris\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation \u0026amp; Maintenance Tips\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eBefore assuming a housing issue, check for worn bearings\/wheels that can cause rubbing and stress the body.\u003c\/li\u003e\n    \u003cli\u003eRinse the cleaner after heavy debris events—grit and sand accelerate wear on moving parts and can lead to binding.\u003c\/li\u003e\n    \u003cli\u003eKeep the wall fitting screen\/filter clean to maintain strong flow; low flow can cause poor movement that looks like a mechanical problem.\u003c\/li\u003e\n    \u003cli\u003eIf your cleaner is a Polaris P39, confirm the correct bottom housing part number for that model before ordering.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n","brand":"Polaris","offers":[{"title":"Default Title","offer_id":46797831078063,"sku":"39-004","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/6415\/2239\/files\/polaris-3900-bottom-housing-39-004-cleaner-parts-2385755.jpg?v=1777067901","url":"https:\/\/freshized.com\/products\/polarispolaris3900bottomhousing39004pls39004","provider":"Freshized","version":"1.0","type":"link"}