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Rod/Piston U-Seal (B) 40mm x 48mm x 5.8mm - Polyurethane/Nitrile
Rod/Piston U-Seal (B) 40mm x 48mm x 5.8mm - Polyurethane/Nitrile
Rod/Piston U-Seal (B) 40mm x 48mm x 5.8mm - Polyurethane/Nitrile
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Rod/Piston U-Seal (B) 40mm x 48mm x 5.8mm - Polyurethane/Nitrile

Marsoni M251S
Sale price$42.78
Pay 4 payments of $10.70 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Rod/Piston U-Seal (B) 40mm x 48mm x 5.8mm - Polyurethane/NitrileProduct Details : Rod Piston U Seal (B) 40mm x 48mm x 5. 8mm Polyurethane Nitrile Part No: RP040048058B Product Category: Symmetrical Seals Product Type: Rod Piston U Seal Profile: B Material(s): Polyurethane Nitrile Material Code: AU NBR Temperature Range: 50F to +230F ( 45C to +110C) Pressure Range: 5000 PSI ( 345 Bar) Surface Speed: < 1. 6 ft s (0. 5 m s) System Of Measurement: Metric Dimensions: 40mm x 48mm x 5. 8mm Nominal I. D. (d): 40mm Nominal
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.7 ★★★★★
Based on 164 reviews
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Product Reviews
D
Verified Purchase
deb
Alexandria, US
★★★★★ 5
Eufy Brushes wear out with daily use
Size: 4 Pack
These brushes help the Eufy continue to run efficiently. I have 2 dogs and run 2 Eufies daily. It is surprising how much sand, dust, gravel and hair gets vacuumed. My furniture isn't as dusty and my floor doesn't need mopping as often.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 7, 2026
B
Verified Purchase
Brian M.
Battle Creek, US
★★★★★ 4
It works
Size: 2+12+12+2 pack
Fits as expected and it's nice to have so many replacement parts. This item is priced well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2026
S
Verified Purchase
Suzanne
Omaha, US
★★★★★ 5
Fits my old eufy
Size: 3+12+12+2+1 pack
This set fits my older model eufy and has extra parts for newer models. The filters did not fit our model (our fault for not doing proper research) but the fan sweeper is awesome.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 5, 2024
D
Verified Purchase
Dan
San Leandro, US
★★★★★ 5
Lots of extras!
Size: 2+12+12+2 pack
The brushes are a bit flimsier than the original but otherwise fine. I needed it for the rectangular filters more than anything
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 7, 2026
P
Verified Purchase
Pan8ita
Los Angeles, US
★★★★★ 5
EUFY 11S
Size: 2+8 pack
Used to replace the ones for my EUFY 11S vacuum. They fit just like the ones and got my vacuum back to cleaning really good. Didn’t realize how loud my vacuum had become until I replaced these parts.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 19, 2025

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