When a seal fails, you need the right size, material, and volume to keep things drip-free. The Danco 9/16 in. D x 3/8 in. D Rubber O-Ring 20 pk is engineered for dependable performance in common faucet and valve repairs, delivering an exact fit that you can count on project after project.
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Precise dimensions: Interior diameter 3/8 in, exterior diameter 9/16 in, and a 3/32 in wall thickness ensure a tight, reliable seal in many residential fixtures.
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Rubber construction: A resilient rubber compound provides durable compression and excellent resilience under high-frequency cycling, helping to prevent leaks over time.
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Convenient bulk pack: 20 rings per polybag mean you’ll have spare seals on hand for ongoing maintenance and future repairs without reordering frequently.
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Broad compatibility: Plans to repair or refresh fixtures across popular brands—American Brass, Arrowhead, Gerber, Harcraft, Indiana, Price Pfister, Savoy, Sayco, Speakman, Sterling—without hunting for the exact match.
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Standard round shape: A classic, universal profile that slides easily into typical grooves and housings found in many faucets and valves.
Use cases and scenarios where this O-ring shines include repairing kitchen and bathroom faucet leaks, servicing shut-off valves, fixing cartridge housings, and refreshing seals in compatible valve assemblies. If you’re a DIY homeowner, a plumber’s kit, or maintaining rental properties, this 20-pack ensures you’re equipped to tackle leaks quickly and avoid mid-project delays.
Installation tips for a dependable seal
- Verify fit by matching the interior/exterior dimensions and wall thickness to the old ring. If in doubt, measure the groove and compare to the 3/8 in ID and 9/16 in OD specifications.
- Clean the seating grooves and surrounding surfaces to remove debris or old lubricant before installing the new O-ring.
- Lightly lubricate with a silicone-based lubricant suitable for rubber to reduce friction during installation and extend ongoing seal life. Avoid petroleum-based lubes, which can degrade rubber over time.
- Install the ring evenly in its groove and avoid twisting or pinching. Recheck alignment after seating to ensure a uniform seal all the way around.
Whether you’re stocking up for routine maintenance or replacing a failed seal during a repair, the Danco Rubber O-Ring 20-pack gives you dependable, ready-to-use components that fit a wide range of fixtures and brands. A small, precise component with a big impact on leak prevention and fixture longevity.
