Shop › New aftermarket aluminum thermostat tower 1600 Image 1 of 1 New aftermarket aluminum thermostat tower 1600 $45.00 sold out This is a new aftermarket thermostat tower with gaskets for the Datsun Roadster 1600. It is a cast aluminum part. Sold Out Added! This is a new aftermarket thermostat tower with gaskets for the Datsun Roadster 1600. It is a cast aluminum part.