12v pump repair, diaphragm replacement

looks like the only thing that broke are these rubber diaphragms. any place I can find the replacement?
or you guys just threw away these $200+ pumps because of the broken rubber diaphragms?

Always keep a spare pump. They are only a couple hundred bucks that has made thousands. I buy the Everflo pumps on Amazon.

This is the one I use. I’m sure everyone has their preference. Got a year and a half out of the last one.

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Typically you might be able to buy the head and reuse the motor but you didn’t state the make and model of the pump you’re working on so how would anybody be able to tell you what’s available for it???

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Call the manufacturer

Delavan sells the valve assembly. The one for their 7 gpm is like $60.