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Acorn Diaphragm Assembly, Toilets - 2563-010-001

Marsoni M251S
Sale price$14.30
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Acorn Diaphragm Assembly, Toilets - 2563-010-001Prison toilet flush valve diaphragm repair parts are kits for replacing diaphragm type assemblies within a flush valve (flushometer) to restore proper flushing and sealing. The diaphragm assembly regulates pressure inside the valve using a flexible rubber disc (diaphragm) that seals the valve seat after each flush. A diaphragm that becomes worn or warped may either stick in place to prevent flushing or fail to seal so that the toilet keeps running.
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
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4.8 ★★★★★
Based on 1764 reviews
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A
Verified Purchase
Amazon Customer
Fort Morgan, US
★★★★★ 5
Great price, easy install
OEM fit and very easy to install. No issues at all — everything worked exactly as expected.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 19, 2025
A
Verified Purchase
Ashley
Louisville, US
★★★★★ 5
Great filter
Always as expected, purchased multiple times!
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Reviewed in the United States on May 11, 2026
L
Verified Purchase
Lori K
Lexington, US
★★★★★ 5
Good fit
Good fit
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Reviewed in the United States on April 12, 2026
S
Verified Purchase
SanJoseCA
Dallas, US
★★★★★ 5
Looks exactly like the original car filter, but for a lot less than from the car dealership
Looks as good as the OEM filter and at a better price than at the car dealership. Hopefully it should do the filtering job.
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Reviewed in the United States on April 26, 2026
T
Verified Purchase
Taj
Lowell, US
★★★★★ 5
Fits 2017 and 2018 Honda CRV 1.5l
Easy and perfect fit for 2017 and 2018 Honda CRV with 1.5l engines. You need a Phillips screwdriver to remove the 4 screws holding the airbox. After that you just remove the old one and put the new one in the same orientation and put the screws back on. Helps the engine breathe which can result in slightly more power and mpg. I recommend changing every few years.
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Reviewed in the United States on August 8, 2025

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