The 2002 Chevy Silverado will come equipped with 6 3/4-inch speakers in the front doors, and 4x6 incH3 way speakers in the rear. These are extremely common speakers sizes so You should have absolutely no trouble finding aftermarket speakers.
What size door speakers are in a 2002 Chevy Silverado extended cab?
4"x6"
What size are Silverado door speakers?
Speaker location Speaker sizes**
------------------- ---------------
Front Door 6-3/4"
Front Door Tweeters Tweeter
Front Door Woofers 6-3/4"
Front Pillars Tweeter
What size speakers are in a Chevy Silverado 1500?
Speaker location Speaker sizes**
-------------------- ------------------------
Corner Dash Tweeter
Front Center Console 5 1/4"
Front Door Vehicle-specific speaker
Rear Door 6-3/4"
What size door speakers are in a 2002 Chevy Silverado 1500?
Speaker location Speaker sizes**
------------------- ---------------
Front Door 6-3/4"
Front Door Tweeters Tweeter
Front Door Woofers 6-3/4"
Rear Door 4x6"
What size speakers are in a 2002 Chevy Silverado Regular Cab?
The door speakers in the Silverado and Sierra regular cab are 6-1/2" models, a common size with great aftermarket support.