{"product_id":"2-12-id-x-2-34-od-o-ring-6500-816","title":"2-1\/2\" ID x 2-3\/4\" OD O-Ring 6500-816","description":"\u003cp\u003eThis genuine Sundance Spas O-ring creates a watertight seal for 2\" pump unions in Sundance and Vico spa systems. Measuring 2-1\/2\" inner diameter by 2-3\/4\" outer diameter, this OEM replacement part (6500-816) ensures reliable operation and prevents costly water leaks at critical pump connections.\u003c\/p\u003e\u003cp\u003eBuilt to Sundance's exact specifications, this O-ring delivers the precise fit your spa requires for optimal performance. At Bubbles Supply, we guarantee an exact fit with same-day shipping on in-stock parts, plus our comprehensive 1-year warranty for complete peace of mind. When replacing pump union O-rings, always inspect the union surfaces for damage and apply a thin layer of silicone lubricant during installation to ensure proper sealing and extend component life.\u003c\/p\u003e\n\u003c!-- p11:start --\u003e\u003cdiv class=\"related-links\"\u003e\n\u003ch2\u003eRelated parts \u0026amp; guides\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/product\/5-78-id-x-6-od-o-ring-6500-605\"\u003e5-7\/8\" ID x 6\" OD O-Ring 6500-605\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/product\/58-id-x-1116-od-o-ring-6500-813\"\u003e5\/8\" ID x 11\/16\" OD O-Ring 6500-813\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/product\/6-id-x-6-12-od-o-ring-6500-290\"\u003e6\" ID x 6-1\/2\" OD O-Ring 6500-290\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collection\/seals-gaskets\"\u003eSee all Seals \u0026amp; Gaskets\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/pages\/knowledge\/why-your-hot-tub-is-leaking-from-the-bottom\"\u003eWhy your hot tub is leaking from the bottom\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003c!-- p11:end --\u003e","brand":"Sundance Spas","offers":[{"title":"Default Title","offer_id":50248995111269,"sku":"6500-816","price":2.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0883\/2162\/2373\/files\/2-12-id-x-2-34-od-o-ring-6500-816-6500-816-2_8c39a029-66b7-4249-a83e-b25b95f31078.jpg?v=1779739260","url":"https:\/\/checkout.bubblessupply.com\/products\/2-12-id-x-2-34-od-o-ring-6500-816","provider":"Bubbles Supply","version":"1.0","type":"link"}