Engine Regulator Thermostat Assembly 497-3990 For Caterpillar CAT Excavator 323 326 330 330GC 333 335 336 Engine C7.1MAKE TYPE MODEL ENGINE CAT Asphalt Paver AP1000 CAT Asphalt Paver AP 1000E CAT Asphalt Paver AP 1000F CAT Asphalt Paver AP1055 CAT Asphalt Paver AP 1055E CAT Asphalt Paver AP 1055F CAT Asphalt Paver BG1000E CAT Asphalt Paver BG1055E CAT Compact Wheel Loader 926 CAT Compact Wheel Loader 930 CAT Compact Wheel Loader 938 CAT Excavator 323 CAT Excavator 326 CAT Excavator 330 CAT Excavator 333 CAT Excavator 335 CAT Excavator 336 CAT Excavator 330 GC CAT