there are two 6.5 in the doors with tweeters and 4x6s in the back. btw the 4x6 are a pain some times to get the trim off.
1988-1999 Chevy and GMC full size the door speakers are six and a half inch on the extended cab the pillar speakers are 4x6 in. Some Silverados also had a small tweeter inside the door.
The front door speakers in the 2001 Silverado 1500 HD Crew Cab measure 6 3/4 inches. The rear side panel speakers measure 4 inches by 6 inches.
4x6
4×6
6 3/4" Front Speakers and 4x6" Rear Speakers. Source: My 2000 Silverado LT Ext Cab 4dr 4x4 with Z71 pkg.
6.5 front, 4x6 rear
6.5 in the front doors and 4x6 in the rear
6 1/2 in the front doors and 4x6 in the back if ext cab
The front speakers are 6.5" (round) and the back (in the extended cab doors) are the 4"x6" size.
NO it will not. GM. changed the cab design in late 1999.
4x10 located in the lower corner each side of the cab.
~26 gallons