Offroad Trailblazers and Envoys

Heater Core P/N ??

Trailblazer and Envoy related, but not off-road related...

by Aries » Tue Oct 08, 2013 4:19 am

Does anyone have a P/N for the heater core that will fit the EXT? I'm keep coming up with about three different ones and price range very a lot. I'm looking for a good quality core. Will this fit?
http://www.rockauto.com/catalog/moreinfo.php?pk=3957003&cc=1398719
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by bgwolfpack » Tue Oct 08, 2013 9:47 am

I looked, but will not commit to an answer for you. I would call rockauto directly and ask. They are very helpful and have the resources to information for you.
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by djthumper » Tue Oct 08, 2013 7:46 pm

Front or rear heater core? If it is the front, I believe they are all the same. The link you posted is for the front. Only the EXTs have a rear heater core.
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by WaltV » Tue Oct 08, 2013 9:19 pm

Original PN = #52495721. The TYC and PRO both should work, as they have the original PN out beside them. I'm assuming the Spectra is the same as well, but it doesn't have the original PN listed. All the ones for the front should be the same design though.
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by Aries » Thu Oct 10, 2013 2:33 am

WaltV wrote:. All the ones for the front should be the same design though.

Thanks for the help. I called Rock Auto, they said all front heater cores are base units and it will work.

Only the EXTs have a rear heater core.

I have a rear heater core? Learn something new every day.
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by WaltV » Sat Oct 12, 2013 12:00 am

Aries wrote:I have a rear heater core?


Look behind your rear trim sometime. Might find something interesting. Just kidding, but puns intended. :excited:
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