145 Degree Thermostat Kit Chrysler 3675303K Chrysler 145 Degree Thermostat Kit | 3675303K 145 Degree Thermostat Kit For raw water cooled engines Used on all Chrysler V8 engines from 1968 to 1974 Replaces Chrysler 2600699, 3685743, 3675303 Replaces PCM RP026003