Browse Caterpillar 3306 Engine Thermostat Housings for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 6 listings. Caterpillar 3306 Engine Thermostat Housing pricing ranges from $81 to $300 based on recent marketplace data. Filter by condition, price, or year to find the right Caterpillar 3306 Engine Thermostat Housing.