MACK NM Posted March 16, 2010 Share Posted March 16, 2010 I found that my thermostat on my 673P is completly gone. It's partnumber is: 657GC225-P2 opens at 170F.Does anyone know some replacement manufactures including partnumbers?I know there is a P1 version that opens at 155F, but is there also one with a higher opening temp.?Thanks!Jeroen Quote Link to comment https://www.bigmacktrucks.com/topic/13061-thermostat-end-673/ Share on other sites More sharing options...
Mike Posted March 16, 2010 Share Posted March 16, 2010 I found that my thermostat on my 673P is completly gone. It's partnumber is: 657GC225-P2 opens at 170F.Does anyone know some replacement manufactures including partnumbers?I know there is a P1 version that opens at 155F, but is there also one with a higher opening temp.?Thanks!Jeroen Call Tracey with WATT'S MACK and he'll fix you up. 1-888-304-6225. mike Quote Link to comment https://www.bigmacktrucks.com/topic/13061-thermostat-end-673/#findComment-51364 Share on other sites More sharing options...
Mike Posted March 16, 2010 Share Posted March 16, 2010 I called NAPA and they have them in their warehouse but only one version wich is the first number you gave, the 170 degree unit at $58.39 takes 3 business days to get out of Pinebluff, Arkansas. mike Quote Link to comment https://www.bigmacktrucks.com/topic/13061-thermostat-end-673/#findComment-51365 Share on other sites More sharing options...
MACK NM Posted March 17, 2010 Author Share Posted March 17, 2010 (edited) Thanks Mike!WATT'S is indeed selling a replacement thermostat. I will contact them about shipping prices etc. NAPA won't ship outside the 48 contiguous United States... So I have to go with WATT'SThere is an original 155F thermostat for sale, but I'm not sure that would give me a correct engine temp...Jeroen Edited March 17, 2010 by MACK NM Quote Link to comment https://www.bigmacktrucks.com/topic/13061-thermostat-end-673/#findComment-51414 Share on other sites More sharing options...
steve s. Posted March 20, 2010 Share Posted March 20, 2010 There is a thermostat on ebay now, 3-19-10, search vintage Mack. I paid $30.00 at the local dealer for mine. Quote Link to comment https://www.bigmacktrucks.com/topic/13061-thermostat-end-673/#findComment-51554 Share on other sites More sharing options...
Mike Posted March 20, 2010 Share Posted March 20, 2010 There is a thermostat on ebay now, 3-19-10, search vintage Mack. I paid $30.00 at the local dealer for mine. I want a warranty with mine and be able to take it back to my local store if need be. mike Quote Link to comment https://www.bigmacktrucks.com/topic/13061-thermostat-end-673/#findComment-51557 Share on other sites More sharing options...
MACK NM Posted March 20, 2010 Author Share Posted March 20, 2010 There is a thermostat on ebay now, 3-19-10, search vintage Mack. I paid $30.00 at the local dealer for mine.I saw that one a couple of days ago, opening temp. is 155F. But as I'm not using shutters on my truck, this opening temp would be to low...Thanks for the tip anyway Steve!Jeroen Quote Link to comment https://www.bigmacktrucks.com/topic/13061-thermostat-end-673/#findComment-51571 Share on other sites More sharing options...
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