I believe it is a 4*6
The bed size is 6.5' of a dimension of 78x9x5 would fit a Chevy 1990 pickup.
it should be 4x6....
Dashboard are 4x6 rear corner are 4x10
According to crutchfield.com my 1995 Chevy c/k 1500 extended cab pickup has 4"x6" speakers in the rear pillar but you can fit a 4" with a bracket of course
in the front doors their 6 1/2 in the back for a pickup their 4x10
4x6 in the dash 6 1/2 in the front doors
what size speakers are in the 2004 Chevy Avalanche
The stock speakers in a 1989 Chevy pickup typically measure 4x6 inches for the front door speakers. The rear speakers, if equipped, are usually 6x9 inches. However, configurations can vary based on the specific model and any aftermarket modifications. Always check your vehicle's manual or inspect the installation for accurate sizing.
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4X6 speakers
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