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Radiator rubber base / DeWitt?

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Old Jun 15, 2025 | 04:55 PM
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Default Radiator rubber base / DeWitt?

The rubber bases for our radiators. Is there only one, or are there supposed to be two?

Where can I buy more?

Further, are there different ones which would fit a DeWitt radiator?
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Old Jun 15, 2025 | 08:55 PM
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1-There should be 2
2-I got my new ones from my local GM dealer
3- Good question, if you find out before I do, let me know please

Last edited by Smoken1; Jun 16, 2025 at 01:00 AM.
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Old Jun 16, 2025 | 07:38 PM
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I just got done changing my radiator and there was definitely 2 on the bottom. One is the regular one on the drivers side and the passenger side is a donut that slips over the drain tube and fits in a hole that's in the support.
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Old Jun 17, 2025 | 08:17 PM
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10188023 for the round one
10278679 for the other

My DeWitts was a little argumentative, but I think it was a factory second and the tabs are slightly off. I put a touch of red rubber grease on the tabs and cylinder which helped.

Last edited by redzg; Jun 17, 2025 at 08:59 PM.
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Old Jun 17, 2025 | 09:41 PM
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I grabbed a Prothane kit which might work for the car. Will find out when it gets in. Glad to have those oem numbers as well.
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