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Copper heater core

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Old Mar 5, 2013 | 04:00 PM
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RA31925's Avatar
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Copper heater core

Thinking I may have to replace my heater core, not really sure.

I was intending to use Fleet Charge coolant, but I'm finding it is not safe for aluminum heater cores and radiators.

All the heater cores I'm finding seem to be aluminum construction (or they don't specify). Anyone know a guaranteed copper construction heater core?
 
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Old Mar 5, 2013 | 05:29 PM
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Fleet Charge not being compatible with aluminum radiators is news to me. I have a Champion aluminum radiator and run Fleet Charge with no issues and I know I'm not the only one on here. Pretty sure the original heater core is aluminum since I recently bought an OE unit (still sitting in the garage) and it's aluminum.

Mike
 
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Old Mar 5, 2013 | 06:44 PM
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My factory one was copper.
The replacement I got from Advance Auto was also copper. part number 398300

There are a couple different styles, so check how the tubes are set up first. I think that one was a bit smaller too, but fit just fine.
 
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Old Mar 5, 2013 | 08:21 PM
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Originally Posted by whiteboyslo
Fleet Charge not being compatible with aluminum radiators is news to me. I have a Champion aluminum radiator and run Fleet Charge with no issues and I know I'm not the only one on here. Pretty sure the original heater core is aluminum since I recently bought an OE unit (still sitting in the garage) and it's aluminum.

Mike
Ok. No worries, then.
 
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Old Mar 5, 2013 | 08:28 PM
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As long as you used distilled water I wouldn't worry about it.
 
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