How do I tell a 3 or 4 row radiator? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**bigdon-70blazer** · 09-16-2007, 08:59 AM

I know this has been asked before but I did not get definitive in my search but if I see 4 parallel rows of water journals in my radiator, is that a 4 core? Thanks.

**1970cstblazer** · 09-16-2007, 10:57 AM

If you look in the radiator cap opening and see 4 tube openings across, then that is a 4 core radiator.

vtblazer · 09-17-2007, 04:50 PM

4-core is noticably wider also and takes specific 4-core radiator support mounts/rubbers.

If your truck was originally an A/C truck chances are it would have a 4-core radiator.

09-16-2007, 08:59 AM	#1
bigdon-70blazer Registered User Join Date: Jan 2007 Location: Poplar Bluff, MO Posts: 1,502	How do I tell a 3 or 4 row radiator? I know this has been asked before but I did not get definitive in my search but if I see 4 parallel rows of water journals in my radiator, is that a 4 core? Thanks.

09-16-2007, 10:57 AM	#2
1970cstblazer All stock and staying that way Join Date: Jul 2003 Location: Elkland, PA Posts: 1,827	Re: How do I tell a 3 or 4 row radiator? If you look in the radiator cap opening and see 4 tube openings across, then that is a 4 core radiator.

09-17-2007, 04:50 PM	#3
vtblazer Registered User Join Date: Oct 2003 Location: Central Vermont Posts: 8,537	Re: How do I tell a 3 or 4 row radiator? 4-core is noticably wider also and takes specific 4-core radiator support mounts/rubbers. If your truck was originally an A/C truck chances are it would have a 4-core radiator.

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