The Ford F-350 with a 7.3L engine is a heavy-duty pickup truck known for its power and towing capacity. The coolant tank, also known as the radiator overflow tank or coolant reservoir, is an essential part of the vehicle's cooling system. The coolant tank is responsible for storing excess coolant... The Ford F-350 with a 7.3L engine is a heavy-duty pickup truck known for its power and towing capacity. The coolant tank, also known as the radiator overflow tank or coolant reservoir, is an essential part of the vehicle's cooling system. The coolant tank is responsible for storing excess coolant...