{"product_id":"wave-wave-xp-propulsion-bearing-assembly","title":"MASTER SPAS Wave \u0026 Wave XP Propulsion Bearing Assembly - Y940451","description":"\u003ch2\u003eMASTER SPAS Wave \u0026amp; Wave XP Propulsion Bearing Assembly - Y940451\u003c\/h2\u003e\n\u003ch5\u003eWhat our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli data-section-id=\"1ssefxk\" data-start=\"27\" data-end=\"273\"\u003e\n\u003cstrong data-start=\"29\" data-end=\"66\"\u003eCore propulsion system component:\u003c\/strong\u003e The MASTER SPAS Wave \u0026amp; Wave XP Propulsion Bearing Assembly - Y940451 is a critical \u003cstrong data-start=\"150\" data-end=\"176\" data-is-only-node=\"\"\u003ehigh-load bearing unit\u003c\/strong\u003e used in swim spa propulsion systems to support smooth, high-resistance water current generation.\u003c\/li\u003e\n\u003cli data-section-id=\"11olvu8\" data-start=\"275\" data-end=\"489\"\u003e\n\u003cstrong data-start=\"277\" data-end=\"317\"\u003eDesigned for Wave \u0026amp; Wave XP systems:\u003c\/strong\u003e Specifically engineered for Master Spas swim spa propulsion setups (including Momentum and H2X platforms), ensuring correct fit, shaft alignment, and rotational stability.\u003c\/li\u003e\n\u003cli data-section-id=\"9uv32y\" data-start=\"491\" data-end=\"691\"\u003e\n\u003cstrong data-start=\"493\" data-end=\"538\"\u003ePrecision engineering for heavy-duty use:\u003c\/strong\u003e Built to handle continuous torque and high-speed operation in swim-current systems, reducing friction and maintaining consistent propulsion performance.\u003c\/li\u003e\n\u003cli data-section-id=\"1qkmtxn\" data-start=\"693\" data-end=\"876\"\u003e\n\u003cstrong data-start=\"695\" data-end=\"732\"\u003eRestores swim current efficiency:\u003c\/strong\u003e Common replacement part when users experience \u003cstrong data-start=\"779\" data-end=\"824\" data-is-only-node=\"\"\u003eweak current, vibration, or bearing noise\u003c\/strong\u003e, helping restore original swim resistance strength.\u003c\/li\u003e\n\u003cli data-section-id=\"1hjm2fj\" data-start=\"878\" data-end=\"1065\"\u003e\n\u003cstrong data-start=\"880\" data-end=\"922\"\u003eDurable, water-resistant construction:\u003c\/strong\u003e Sealed bearing design helps protect against constant exposure to water, chemicals, and pressure fluctuations typical in swim spa environments.\u003c\/li\u003e\n\u003cli data-section-id=\"me7clu\" data-start=\"1067\" data-end=\"1241\"\u003e\n\u003cstrong data-start=\"1069\" data-end=\"1111\"\u003eMatched-fit OEM replacement (Y940451):\u003c\/strong\u003e Factory-spec sizing (commonly 5\/8\" \/ 0.625\") ensures proper integration with propulsion shafts and housings for stable operation.\u003c\/li\u003e\n\u003cli data-section-id=\"1p94g7i\" data-start=\"1243\" data-end=\"1424\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"1245\" data-end=\"1276\"\u003eImportant upgrade guidance:\u003c\/strong\u003e In many systems, later revisions may recommend upgraded assemblies (such as 1\" variants), so exact model verification is essential before ordering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\n\u003cbr\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What is the Master Spas Wave \u0026amp; Wave XP Propulsion Bearing Assembly (Y940451)?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: The Y940451 is a genuine OEM propulsion bearing assembly used in Master Spas Wave and Wave XP swim spa systems to support the drive shaft and ensure smooth swim current operation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What does the propulsion bearing assembly do?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It stabilizes and supports the propulsion shaft, reducing friction and wear while maintaining consistent swim current performance in the swim spa system.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Which spas is it compatible with?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: It is used in select Master Spas H2X swim spas (including Momentum, Impact, Force series) and Michael Phelps swim spa models from specific production years.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: What are the key specifications?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: The assembly includes a precision bearing (approximately 5\/8\" shaft size depending on revision) designed for Wave and Wave XP propulsion systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: Is this an OEM replacement part?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. The Y940451 is an original Master Spas replacement component engineered for proper fit, durability, and propulsion system performance.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cstrong\u003e\u003cspan\u003eQ: When should it be replaced?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Replace it if you notice shaft noise, vibration, reduced swim current efficiency, or bearing wear during inspection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cspan\u003eQ: Is professional installation recommended?\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA: Yes. Because it is part of the propulsion drive system, installation by a qualified spa technician is recommended for correct alignment and safety.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch5\u003e\n\u003cbr\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-WEB:551674be-b0d3-4d53-8efb-dd29a2528df0-17\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:551674be-b0d3-4d53-8efb-dd29a2528df0-17\" data-turn-id-container=\"request-WEB:551674be-b0d3-4d53-8efb-dd29a2528df0-17\" data-testid=\"conversation-turn-34\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"3521a6c8-4a3b-4aae-b23d-c9c8a6bd6836\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cul data-start=\"23\" data-end=\"792\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1lywg6q\" data-start=\"23\" data-end=\"132\"\u003eRinse swim spa water regularly to maintain proper chemistry and reduce corrosion on the bearing assembly.\u003c\/li\u003e\n\u003cli data-section-id=\"1lp0yi9\" data-start=\"133\" data-end=\"233\"\u003eClean filters frequently to ensure smooth water flow and reduce strain on the propulsion system.\u003c\/li\u003e\n\u003cli data-section-id=\"17gjrmz\" data-start=\"234\" data-end=\"331\"\u003eInspect the bearing assembly area for debris, sand, or hair buildup that can accelerate wear.\u003c\/li\u003e\n\u003cli data-section-id=\"1c2qj8r\" data-start=\"332\" data-end=\"425\"\u003eListen for grinding, squeaking, or vibration—early signs of bearing wear or misalignment.\u003c\/li\u003e\n\u003cli data-section-id=\"1uppg3q\" data-start=\"426\" data-end=\"523\"\u003eKeep propulsion system properly aligned to prevent uneven load and premature bearing failure.\u003c\/li\u003e\n\u003cli data-section-id=\"zj9wm1\" data-start=\"524\" data-end=\"601\"\u003eAvoid running the propulsion system dry or with insufficient water level.\u003c\/li\u003e\n\u003cli data-section-id=\"1s1o7b1\" data-start=\"602\" data-end=\"699\"\u003ePeriodically check seals around the assembly to prevent water intrusion into bearing housing.\u003c\/li\u003e\n\u003cli data-section-id=\"qsems7\" data-start=\"700\" data-end=\"792\" data-is-last-node=\"\"\u003eAlways turn off power at the breaker before servicing or inspecting propulsion components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"MASTER SPAS","offers":[{"title":"Default Title","offer_id":45804703776959,"sku":"Y940451","price":816.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/y940451-340x200.jpg?v=1782928997","url":"https:\/\/se0yig-03.myshopify.com\/products\/wave-wave-xp-propulsion-bearing-assembly","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}