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Your cart is empty.The Hypro diaphragm repair kit 9910-Kit2423 is used to replace worn or damaged diaphragms on the Hypro D403 diaphragm pump. When the fluid in the oil sight glass turns a milky gray color it means that one (or more) of the diaphragms has ruptured and the fluid to be pumped is mixing with the oil in the crank case. If this happens to your D403, you will need to purchase the diaphragm repair kit Kit2423. Fits D303,D303GRGI,D403,D403GRGI
Jose
Reviewed in the United States on April 26, 2024
NOT HyPro brand. Apparently an aftermarket brand Annovi Reverberi (AR). I used them anyway and Spring spaying can't wait.
Todd Wasson
Reviewed in the United States on April 11, 2019
This brand of diaphragm lasted a couple of weeks. Inferior Chinese garbage!
Robert Gosewehr
Reviewed in the United States on July 23, 2015
good
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