Should be 6.5
6x9
You can go towww.crutchfield.com the have a program link that will tell you what the factory sizes for your vehicle. And the brands that make direct fit speakers. And it's FREE.
The front speakers are 6x9" and the rear speakers are 5.25".
20"
6x9 in the doors and the rear
17'' or 20''
6x9 in the front doors, 5.25" in the rear doors. The stock infinity speakers are problematic.
the 94-01 dodge ram pick-ups have 6x9 speakers in the doors and 5 1/2 in the back
No grease zerks on a 2003 Ram 1500.
2012 Ram 1500 wheels will fit on a 2003 .
rear ones will fit 51/4" doors should be 6x9