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Old 05-14-2020, 06:37 AM
The Garbone The Garbone is offline
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Electric cooling pump option

My Bosch electrical cooling pump recently died on me. Installed my spare and all is we. Looking online I notice Toyota Prius cooling pumps are pretty inexpensive, has anyone tried on in their fresh water system? Thinking of buying a couple as it has a nice waterproof power plug and can be swapped out pretty quickly.
78' Catalina 30 #1179
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Old 05-14-2020, 08:56 AM
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These pumps cool the inverter, not the entire engine. I have no idea if they can move enough fluid to cool an A4.
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Old 05-14-2020, 08:56 AM
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Suggest you speak with Indigo, if you haven't already.

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Old 05-14-2020, 09:33 AM
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ndutton ndutton is offline
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Gary, early on I was attracted to a pump used for Mustang supercharger intercoolers. I looked for specifications all over the internet without success but concluded if it worked for that application it would work for ours. The $59 price tag was the hook.

Here's how well that experiment went:
1977 Catalina 30
San Pedro, California
prior boats 1987 Westsail 32, 1970 Catalina 22
Had my hands in a few others
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Old 05-14-2020, 11:34 AM
Marty Levenson Marty Levenson is offline
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We have the Bosch that Indigo sells: it's been fine so far, but that's after just a couple of short seasons. How did yours fail? How long did it work? Any idea why it failed?

1967 Tartan 27
Bowen Island, BC

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Old 05-14-2020, 12:26 PM
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Originally Posted by Administrator View Post
Suggest you speak with Indigo, if you haven't already.

Agree, great advice. Tom is wealth of knowledge on the various options for cooling pumps, that may border on OCD. ;^)

I have one of his johnson pumps and no problems for over 3 years. He does have a new pump he is recommending, BLDC that is brushless.
Portland, OR
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