Door Speakers are 6"x8".
Go to this link and select your options. You can find the sizes there based on your options...
http://www.crutchfield.com/cgi-bin/autoinfo/autoinfo.asp?lp=%2fapp%2fCar%2fMyCar.aspx
The 2003 Lincoln Navigator has 32 valves.
The 2003 Lincoln Navigator has a V8 engine.
The 2003 Lincoln Navigator has a 4-speed automatic.
The 2003 Lincoln Navigator is a gas-powered vehicle.
Where is the amplifiers in a 03 Lincoln navigator
The curb weight of the 2003 Lincoln Navigator is 5822 lbs..
The 2003 Lincoln Navigator is 17 ft. 2 in. (206 in.) long.
The 2003 Lincoln Navigator's turning circle is 40.4 ft..
The maximum payload of the 2003 Lincoln Navigator is 1479 lbs..
The 2003 Lincoln Navigator has a drag coefficient of .41 Cd.
The height of the 2003 Lincoln Navigator is 6 ft. 5.8 in. (77.8 in.).
The 2003 Lincoln Navigator has double overhead cam (DOHC).