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Mod | | | Forums66 Topics128,081 Posts1,056,318 Members48,442 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Aug 2013 Posts: 74 Wrench Fetcher | | Wrench Fetcher Joined: Aug 2013 Posts: 74 | I am still looking for a heater core for my 66 GMC 5500 truck. I can't be the first truck owner looking for a larger than standard core and would appreciate any suggestions about who might handle these.
The core from my truck measures about 9 1/2" high by 7 1/2" wide by 2 1/2" thick. I have a quote of nearly $250 to have the old one rebuilt. This seems like a lot of money for this part.
JRMunn
| | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | here I can take a heater core to a rad shop and they can get new core to put between the old tanks, never cost a bundle, maybe the core yours needs is an odd special order one ... or maybe you can check other shops?
Bill | | | | | Joined: Sep 2014 Posts: 19 New Guy | | New Guy Joined: Sep 2014 Posts: 19 | My 53 panel had a bad core, rather than repair it, I found a place online that sold various size heater cores, found one that would fit inside my heater core housing and soldered the inlet and outlet from my core on the new core. worked great. | | |
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