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maxwoof · 11-29-2013, 09:45 PM

That looks like the one that is in my 62 k20 with the 235. When I had it out, I couldn't find a replacement either. Every one I ordered was the smaller 2&1/8" that is commonly available. Even the ones I saw listed for the 261 were wrong.
They have this one on rockauto listed for the 283. The napa buyers guide doesn't show it as for the 261 or 235 either.

11-29-2013, 09:45 PM	#14
maxwoof Registered User Join Date: Mar 2010 Location: Edgewater NJ Posts: 159	Re: Proper thermostat for 261 That looks like the one that is in my 62 k20 with the 235. When I had it out, I couldn't find a replacement either. Every one I ordered was the smaller 2&1/8" that is commonly available. Even the ones I saw listed for the 261 were wrong. They have this one on rockauto listed for the 283. The napa buyers guide doesn't show it as for the 261 or 235 either.