New Holland 504221036 is the thermostat Clinton Tractor supplies for this application. It is listed as fitting 36 New Holland models.
What 504221036 fits
Fits: New Holland T4020, New Holland T4030, New Holland T4030F, New Holland T4040F, New Holland T4.75F + 31 more. Commonly ordered for the FPT F5AE9484B-A014 Engine, FPT F5AE9484G-A025 Engine, WORKMASTER-65. If your machine isn't listed, check the serial number before ordering.

























