2012/10/24 Caterpillar

Engine:

All 3500 Engines

All 3600 Engines

All C280 Engines

C-9 and C9 All

C13 and C-13 All

C15 and C-15 All

C175 Engines

C18 and C-18 All

C27 All

C32 All

C7 All

Illustration 1	g03306898
View of thermostats

A new water temperature regulator is available for certain commercial engines. The form and fit are the same, but the look of the parts are different. Refer to Illustration 1 for visual differences.

Note: The part numbers for the water temperature regulator have not changed.

Refer to Table 1 for a list of water temperature regular part numbers.