John Deere 650 180 deg coolant thermostat

   / John Deere 650 180 deg coolant thermostat #1  

Tmar104

New member
Joined
Feb 4, 2022
Messages
12
Tractor
1991 kioti lb1914
I have JD 650 with OEM 160 deg thermostat and want to replace with 180 deg thermostat. Anyone have part numbers? I’ve searched but no luck. I know this has been before. Thanks to all
 
   / John Deere 650 180 deg coolant thermostat #2  
That's a Yanmar engine isn't it? I sort of remember that size Yanmar used a 190 degree thermostat.
I'm not sure I've ever seen anything under a 180 degree thermostat.
Anyway, with the JD 650 - or any of the early Yanmar built JDs - you will get a lot more info if you drop down to the Yanmar forum below here and ask there.
 
   / John Deere 650 180 deg coolant thermostat #3  
This link may interest you. Appears the part number for the 160 deg also fits your JD 650.
 
   / John Deere 650 180 deg coolant thermostat #4  
Bring your old thermostat to your local parts store & try to match it up with one that’s close enough that you could modify size wise to fit.
I did that with my Ford 1720 & installed a 190 degree thermostat.
I had to reduce the OD a bit for it to fit. It’s been in there for 10+ years no issues.
90cummins
 

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