Did factory use these heaterbox gaskets to seal the box to the firewall? - The 1947 - Present Chevrolet & GMC Truck Message Board Network



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Did factory use these heaterbox gaskets to seal the box to the firewall?

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01-07-2025, 01:28 PM

70STOVEBOLT

Senior Member

Join Date: Jun 2005

Location: Winona Lake, IN

Posts: 7,066

Re: Did factory use these heaterbox gaskets to seal the box to the firewall?

Quote:

Originally Posted by HeavyHauler

So instead of the round foam pieces in the kit above what did the factory use to seal the space around the heater core tubes as they exit the heater box into the engine bay?

Subscribing. My truck never had anything there, not sure if the factory put anything there or not. I will have to check the factory assembly manual...

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