A standard non-JBL Solara speaker size is 6x9 inches. Smaller speaker setups, such as 6x5 inches, can made be made to fit by adding a spacer to the holes to help hold the units in place.
5x8 in the doors and 6x9 in the rear dash
6 x 9 's all around. Although most refit 6.5" in those space for better bass.
what size speakers are in the 2004 Chevy Avalanche
Go to Crutchfield.com and they will have all of the sizes of your factory size speakers for your car.
You don't need factory speakers. Just buy the same size speakers and install.
if it is a non bose factory system your truck takes 6 1/2 inch speakers in bot thte front and rear doors
Speakers for 2004 monte carlo
6x8 door speakers
6x8 door speakers
6x8
4x6 are the size of the door speakers on 2004 GMC Sierra. Standard cab
6x9 oval shaped speakers