4l60e
it should be 6.5'' round speakers
The 2011 Chevrolet Silverado-1500 has a V6 engine.
The 2008 Chevrolet Silverado-1500 has a V6 engine.
The 2007 Chevrolet Silverado-1500 has a V8 engine.
The 2014 Chevrolet Silverado-1500 has a V6 engine.
The 2003 Chevrolet Silverado-1500 has a V6 engine.
The 2005 Chevrolet Silverado-1500 has a V6 engine.
The 2006 Chevrolet Silverado-1500 has a V6 engine.
The 2010 Chevrolet Silverado-1500 has a V6 engine.
The 2009 Chevrolet Silverado-1500 has a V6 engine.
The 2012 Chevrolet Silverado-1500 has a V6 engine.