Danco 1-5/8 in. OD x 1-1/2 in. ID Rubber O-Ring | #51 – Fits Speakman Single Lever
Restore a reliable, drip-free seal on Speakman single-lever faucets with this precisely sized Danco rubber O-ring. Designed to match the exact inner and outer diameters required for common valve assemblies, this O-ring helps you tackle leaks quickly and affordably without replacing the entire cartridge.
Key specifications at a glance
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Material: Rubber — flexible, resilient, and able to form a tight seal under pressure
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Interior Diameter (ID): 1-1/2 in
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Exterior Diameter (OD): 1-5/8 in
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Wall Thickness: 1/16 in
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Number in Package: 1
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Shape: Round
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Brand Compatibility: Speakman Single Lever faucets
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Packaging: Bagged
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Product Type: O-Ring
This #51 rubber O-ring is a precise replacement part designed to seal the junctions found in Speakman single-lever assemblies. Its size—OD 1-5/8 in and ID 1-1/2 in with a compact 1/16 in wall—ensures a snug, long-lasting fit that minimizes the risk of leaks around the valve stem and cartridge seals.
Why this O-ring stands out
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Exact fit for Speakman single-lever systems: The 1-5/8" OD and 1-1/2" ID dimensions are chosen to align with common Speakman valve geometries, reducing guesswork during repair.
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Durable rubber formulation: Built to withstand everyday bathroom humidity and mineral buildup, maintaining a dependable seal over time.
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Convenient single-pack packaging: Ideal for homeowners and pro plumbers who keep a stocked repair kit for quick faucet maintenance.
Who is this for?
Perfect for DIY homeowners, handymen, and professional plumbers who service Speakman single-lever faucets. If you’re renewing aging seals to stop leaks, drip sounds, or uneven water temperature changes, this O-ring provides a dependable, cost-effective solution without replacing the entire faucet cartridge.
Typical use cases
- Replacing a worn or damaged seal inside Speakman single-lever faucet assemblies.
- Preventing leaks around the valve stem by restoring a tight compression seal.
- Compact, on-hand repair part for bathroom sink and shower faucet maintenance kits.
Installation tips
- Ensure the mating surfaces are clean and free of mineral buildup before seating the new O-ring.
- Lightly lubricate the O-ring with a silicone-based faucet grease to ease installation and improve longevity (avoid petroleum-based lubes that can degrade rubber).
- Place the O-ring evenly and avoid twisting during installation to preserve an even seal around the circumference.
- After installation, run water at low flow to confirm a drip-free seal and recheck if needed after a few minutes of operation.
Care and maintenance
Inspect the O-ring during routine faucet maintenance. If you notice cracks, hardening, or loss of elasticity, replace promptly to maintain optimal sealing performance. Store spare O-rings in a cool, dry place to prevent rubber degradation.
Keep your Speakman single-lever faucet performing at its best with this precise, durable Danco O-ring—the practical, focused solution for a smooth, leak-free bathroom experience.
