{"product_id":"american-products-39006000-ultra-flow-seal-plate-o-ring-ultra-flo-pump-gasket","title":"American Products 39006000 Ultra-Flow Seal Plate O-Ring | Ultra-Flo Pump Gasket","description":"\u003ch2\u003eAmerican Products 39006000 Ultra-Flow Seal Plate O-Ring\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eAmerican Products 39006000 Ultra-Flow Seal Plate O-Ring\u003c\/strong\u003e is the large replacement pump gasket used on compatible \u003cstrong\u003eAmerican Products Ultra-Flow \/ Ultra-Flo pool pumps\u003c\/strong\u003e. This O-ring seals the connection between the pump seal plate and volute housing, helping prevent water leaks after the pump is reassembled.\u003c\/p\u003e\n\n\u003cp\u003eIf you are replacing the seal plate, shaft seal, diffuser, or rebuilding an older American Products Ultra-Flow pump, the 39006000 O-ring should be replaced at the same time to help create a clean, reliable seal.\u003c\/p\u003e\n\n\u003cdiv style=\"border: 1px solid #d9e6ee; background: #f7fbfd; padding: 18px; border-radius: 10px; margin: 22px 0;\"\u003e\n  \u003ch3 style=\"margin-top: 0;\"\u003eWhy Buy the American Products 39006000 O-Ring?\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLarge seal plate O-ring\u003c\/strong\u003e for compatible American Products Ultra-Flow \/ Ultra-Flo pumps\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSeals the seal plate to the volute housing\u003c\/strong\u003e to help prevent pump leaks\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eRecommended during seal plate, shaft seal, or motor repairs\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eCommon repair part for older Anthony Pools \/ American Products SuperFlow pump setups\u003c\/strong\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003cstrong\u003eHelps avoid leaks after pump reassembly\u003c\/strong\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eProduct Details\u003c\/h3\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin: 18px 0;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #d9e6ee; padding: 10px;\"\u003e\u003cstrong\u003eBrand \/ Pump Family\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #d9e6ee; padding: 10px;\"\u003eAmerican Products Ultra-Flow \/ Ultra-Flo\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #d9e6ee; padding: 10px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #d9e6ee; padding: 10px;\"\u003e39006000\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #d9e6ee; padding: 10px;\"\u003e\u003cstrong\u003eAlternate \/ Cross Reference\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #d9e6ee; padding: 10px;\"\u003e39006000Z, O-240, V26-354S\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #d9e6ee; padding: 10px;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #d9e6ee; padding: 10px;\"\u003eSeal Plate O-Ring \/ Volute O-Ring \/ Large Pump Housing Gasket\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border: 1px solid #d9e6ee; padding: 10px;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd style=\"border: 1px solid #d9e6ee; padding: 10px;\"\u003eCompatible American Products Ultra-Flow \/ Ultra-Flo pool pumps\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat Does the 39006000 O-Ring Do?\u003c\/h3\u003e\n\n\u003cp\u003eThe 39006000 O-ring creates the main seal between the pump seal plate and the volute housing. When this O-ring becomes flattened, cracked, stretched, dry, or pinched, the pump can leak from the main housing connection after service.\u003c\/p\u003e\n\n\u003cp\u003eThis is one of the most important gaskets to replace when the pump is already apart. Reusing an old compressed O-ring can cause leaks even if the new motor, seal plate, diffuser, or shaft seal was installed correctly.\u003c\/p\u003e\n\n\u003cdiv style=\"border-left: 5px solid #f28c28; background: #fff8f1; padding: 16px 18px; margin: 24px 0; border-radius: 8px;\"\u003e\n  \u003ch3 style=\"margin-top: 0;\"\u003eATB Repair Tip\u003c\/h3\u003e\n  \u003cp style=\"margin-bottom: 0;\"\u003eIf you are replacing the seal plate on an American Products Ultra-Flow pump, replace the \u003cstrong\u003e39006000 seal plate O-ring\u003c\/strong\u003e and the shaft seal at the same time. It is much easier to replace these parts while the pump is open than to take everything apart again for a leak.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCommon Symptoms of a Bad Seal Plate O-Ring\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eWater leaking between the seal plate and pump housing\u003c\/li\u003e\n  \u003cli\u003eDrips from the main pump body after reassembly\u003c\/li\u003e\n  \u003cli\u003eO-ring is flattened, brittle, cracked, or stretched\u003c\/li\u003e\n  \u003cli\u003ePump loses prime after service\u003c\/li\u003e\n  \u003cli\u003eLeak appears after replacing the motor, shaft seal, or seal plate\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Repair Pairing\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eAmerican Products 39006000 Ultra-Flow O-Ring\u003c\/strong\u003e is commonly replaced with other Ultra-Flo pump rebuild parts, especially when servicing an older American Products \/ Anthony Pools SuperFlow style pump.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eV38-131\u003c\/strong\u003e seal plate kit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePS-1000\u003c\/strong\u003e standard shaft seal\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePS-3865\u003c\/strong\u003e heavy-duty shaft seal option\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eV38-132\u003c\/strong\u003e diffuser for 1\/2 HP to 1-1\/2 HP Ultra-Flo pumps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eV38-133\u003c\/strong\u003e diffuser for 2 HP to 3 HP Ultra-Flo pumps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eV38-129S\u003c\/strong\u003e diffuser O-ring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e This listing is for the large seal plate \/ volute O-ring only. It does not include the seal plate, shaft seal, diffuser, diffuser O-ring, impeller, motor, or pump housing unless those parts are purchased separately.\u003c\/p\u003e\n\n\u003ch3\u003eFitment Notes\u003c\/h3\u003e\n\n\u003cp\u003eThe 39006000 O-ring is used on American Products Ultra-Flow \/ Ultra-Flo pump assemblies and is commonly referenced as the Ultra-Flow seal plate O-ring, volute O-ring, or large pump housing gasket. It may also be cross-referenced as \u003cstrong\u003e39006000Z\u003c\/strong\u003e, \u003cstrong\u003eO-240\u003c\/strong\u003e, or \u003cstrong\u003eV26-354S\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThis is not the same large gasket used on newer Pentair SuperFlo pumps. If your pump label says \u003cstrong\u003eAnthony Pools SuperFlow High Performance Pumps\u003c\/strong\u003e or your pump matches the older American Products Ultra-Flo style, this is the correct large housing O-ring family.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eWhat is the American Products 39006000 used for?\u003c\/h4\u003e\n\u003cp\u003eThe 39006000 is the large seal plate \/ volute O-ring used on compatible American Products Ultra-Flow and Ultra-Flo pool pumps. It seals the pump housing connection between the seal plate and volute.\u003c\/p\u003e\n\n\u003ch4\u003eIs 39006000 the large gasket for the pump?\u003c\/h4\u003e\n\u003cp\u003eYes. This is the large O-ring that seals the seal plate to the pump housing on compatible Ultra-Flow pump assemblies.\u003c\/p\u003e\n\n\u003ch4\u003eIs 39006000 the same as 39006000Z?\u003c\/h4\u003e\n\u003cp\u003eYes. 39006000 and 39006000Z are commonly used for the same Ultra-Flow seal plate O-ring replacement.\u003c\/p\u003e\n\n\u003ch4\u003eShould I replace this when changing the seal plate?\u003c\/h4\u003e\n\u003cp\u003eYes. Replacing the 39006000 O-ring is recommended whenever the seal plate or shaft seal is removed. An old O-ring may not reseal correctly after the pump is taken apart.\u003c\/p\u003e\n\n\u003ch4\u003eDoes this fit the newer Pentair SuperFlo pump?\u003c\/h4\u003e\n\u003cp\u003eNo. This O-ring is for the older American Products Ultra-Flow \/ Ultra-Flo pump family, not the newer Pentair SuperFlo pump.\u003c\/p\u003e\n\n\u003ch4\u003eDoes this include the shaft seal?\u003c\/h4\u003e\n\u003cp\u003eNo. This listing is for the seal plate \/ volute O-ring only. The shaft seal is sold separately.\u003c\/p\u003e\n\n\u003ch3\u003eOrder American Products 39006000 from Aqua Terra Backyard\u003c\/h3\u003e\n\n\u003cp\u003eAt Aqua Terra Backyard, we help pool owners and service professionals find the correct repair parts for older and discontinued pump systems. The \u003cstrong\u003eAmerican Products 39006000 Ultra-Flow Seal Plate O-Ring\u003c\/strong\u003e is the correct large housing O-ring for compatible Ultra-Flo pump repairs and should be replaced whenever the pump seal plate is removed.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNeed help matching pump parts?\u003c\/strong\u003e Send us a photo of your pump label, seal plate, diffuser, or existing O-ring and we can help confirm the correct repair path before you order.\u003c\/p\u003e","brand":"Aqua Terra Backyard","offers":[{"title":"Default Title","offer_id":52379918827794,"sku":"39006000","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/2279\/1186\/files\/Screenshot_2026-06-15_120117.jpg?v=1781539283","url":"https:\/\/www.aquaterrabackyard.com\/products\/american-products-39006000-ultra-flow-seal-plate-o-ring-ultra-flo-pump-gasket","provider":"Aqua Terra Backyard","version":"1.0","type":"link"}