Thought this might help someone out....in the event you don't want to purchase oem clamps:
for the 3.7L (2002 to 2006):
Top radiator hose - engine side is 47mm.....radiator side is 49mm
Bottom hose - both are 55mm
for the 3.7L (2002 to 2006):
Top radiator hose - engine side is 47mm.....radiator side is 49mm
Bottom hose - both are 55mm