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💧 Seal your home’s hydration with confidence — don’t let leaks cramp your flow!
The AO Smith AO-WH-LG-OR is a 5.48 inch diameter synthetic rubber O-ring designed to fit most 4.5 inch whole house water filter housings. Engineered for a perfect, leak-proof seal, it ensures optimal filtration system performance and durability. Ideal for routine filter replacements every 3-6 months, this genuine A. O. Smith part guarantees compatibility and long-lasting reliability.
| ASIN | B07ZG3BD5Y |
| Best Sellers Rank | #138,069 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #57 in Faucet O-Rings |
| Brand Name | A. O. Smith |
| Customer Reviews | 4.7 4.7 out of 5 stars (237) |
| Item Diameter | 5.48 Inches |
| Item Weight | 0.02 Kilograms |
| Manufacturer | AO Smith |
| Material Type | Synthetic Rubber |
| Model | AO-WH-LG-OR |
| Nominal Inside Diameter | 5.48 Inches |
| Nominal Outside Diameter | 5.48 Inches |
| Number of Pieces | 1 |
| Part Number | AO-WH-LG-OR |
| UPC | 193074743154 |
| Unit Count | 1 Count |
S**E
replacement o ring
fit perfect
J**T
Make sure this will fit your filter assembly
This was a perfect fit for my waterwell filter assembly, great quality, good pricing, no leakage great fit.
T**Y
Worked fine
It sealed the filter fine.
G**K
Good quality
If you have one of their all home filters, you need a spare ready when you change out the filter, some times it will last 2 or even 3 changes, other times change it with every filter change, as the saying goes “it’s better to have it and not need it as it is to need it and not have it”
H**E
Perfect fit
It stopped the leak by fitting perfectly. Great value for such a necessary part. It is still holding up after 2 weeks use. I would definitely order again.
C**J
Replacement Rubber O-Rings
These rubber o-rings are the correct size and should work perfectly
J**T
Vaseline is included.
Tell us the lubricant is included with the O ring.
T**C
Exact fit
Needed a replacement O-ring for my basement water filter. This fit perfectly.
Trustpilot
1 month ago
3 days ago