Generic Buna-N O-Ring (Square) (516664)
| O-Rings | |
| Multiple Manufacturers | |
| 516664 | |
| 87-106-1066 |
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 (516664))
Generic Buna-N O-Ring (Square) is a sealing component used to help prevent leaks and maintain proper compression between mating surfaces in compatible pool and spa equipment. Gaskets and O-rings are small parts, but they often determine whether a pump, filter, skimmer, heater, valve, or plumbing connection seals correctly after service. This replacement is useful when the existing seal is flattened, brittle, swollen, cracked, pinched, or missing. Because many seals are close in size, matching the part number, shape, profile, and equipment model is more reliable than estimating by appearance alone. When replacing this item, clean the sealing surfaces, check for cracks or warping in the surrounding parts, and use only the lubricant recommended for the specific material and application.
For this specific item, use part number 516664 as the primary reference when checking fitment. The vendor listed for this product is Multiple Manufacturers, and the category is O-Rings, which helps identify the most likely equipment area but should not replace direct comparison with the original part. If the old part is still available, compare connection points, mounting locations, color or finish, molded markings, and any printed service numbers before installing the replacement.
- Replacement sealing part for compatible pool and spa equipment
- Helps reduce leaks caused by worn, compressed, or damaged seals
- Best matched by part number, shape, size, and equipment model
- Useful during pump, filter, valve, heater, or skimmer maintenance
- Inspect mating surfaces before installing the new seal
Multiple Manufacturers – Pool & Spa Replacement Parts, Pumps, Heaters and Components |
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Who is Multiple Manufacturers?
“Multiple Manufacturers” refers to a curated selection of pool and spa parts sourced from a variety of trusted brands and suppliers. This category is used when products are compatible across multiple systems or when the original manufacturer may vary. It allows customers to access a wide range of replacement parts and components without being limited to a single brand. What products does Multiple Manufacturers specialize in?Products in this category include pumps, heaters, filters, jets, control components, plumbing fittings, and accessories sourced from various manufacturers. These parts are selected for compatibility, performance, and reliability across a wide range of pool and spa systems. Many items are interchangeable or designed to work with multiple brands and models. Why choose Multiple Manufacturers parts for your pool or spa?Choosing parts from Multiple Manufacturers provides flexibility, availability, and cost-effective solutions. Customers can find compatible replacements even when OEM parts are discontinued or unavailable. This category is ideal for repairs, upgrades, and maintenance where performance and fit are more important than brand-specific sourcing. How do you identify and choose the correct Multiple Manufacturers part?To select the correct part, it’s important to match specifications such as size, voltage, flow rate, connection type, and system compatibility. Cross-referencing part numbers, measurements, and application requirements ensures proper fit and performance. Choosing the right component helps maintain efficient operation and prevents system issues. Need help finding the right Multiple Manufacturers part?At Bath & Spa Parts Online, we carry a wide selection of Multiple Manufacturers pool, spa, and bath parts ready to ship. Can’t find what you need? Contact our Product Specialists at 800-918-9143, use the live chat, or visit our Contact Us page. For installation guides, part diagrams, and troubleshooting resources, visit the Bath & Spa Parts Online Knowledge Base for expert support. |
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