The following Air Filters were designed to fit your Chevy C/K 1500:
AFE Pro-Dry S Air Filter- $29.95
Green Filters Green Air Filter- $32.95
K&N Air Filter- $29.87
Spectre Air Filter- $21.95
Model years for C/K 1500 air filters include 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999 and earlier.