The largest speaker that will fit in the dash is a 4"x6". Not sure what the exact dimensions are on the OEM speaker.
front speakers are 4x6 and the rear or 6x9
6x9
The 1989 Chevy Cavalier dashboard speakers measure 4.5 inches in diameter. There will be a speaker on each side of the dashboard.
4x6
4x6
The speakers i put in the dash of my 98 were 3.5 inch speakers!
6 inchs
The door speakers are 6.5" and the dash speaker size is 4."
Chevy speaker size1988 has 4x6 in both places.
one way six by nine speakers
The front speakers is 4x6, and the rear speakers is 6x9.
what size speakers fit in a 1989 Toyota cressida
There are no dash speakers.Just 6.5" door speakers and ~1.25" tweeters.