a/c condenser
No the part the cap is on is part of the under radiator hose. The thermostat housing is the large black plastic part on the driver side end of the cylinder head.
The radiator is part if the cooling system.
Follow the upper radiator hose to the engine, It is under the part the hose hooks to.
grill
That would normally be the thermostat housing
No. Mazda is/was a division of the Ford Motor Company.
No.
a hose clamp
the thermostat is under the thermostat housing follow the top radiator hose to the block two bolts hold it in place
Under the hood in front part close to the right side of radiator there are 3 relays
No. Honda does not produce the Mazda vehicles and does not own any percentage of Mazda. Mazda is only a small percentage owned by Ford.
Radiator.