1999-20051500 Base · V8.5328cc
Notes: 1999: w/ Stepside Box Bolt On · 2000: "With 6' 6"" bed (w/ Stepside box) (bolt on)" · 2001: "With 6' 6"" bed (w/ Stepside box) (bolt on)" · 2002: "With 6' 6"" bed (w/ Stepside box) (bolt on)" · 2003: "With 6' 6"" bed (w/ Stepside box) (bolt on)" · 2004: "With 6' 6"" bed (w/ Stepside box) (bolt on)" · 2005: w/ Stepside Box Bolt On
1999-20061500 LS · V8.5328cc
Notes: 1999: "With 6' 6"" bed (w/ Stepside box) (bolt on)" · 2000: w/ Stepside Box Bolt On · 2001: w/ Stepside Box Bolt On · 2002: w/ Stepside Box Bolt On · 2003: w/ Stepside Box Bolt On · 2004: w/ Stepside Box Bolt On · 2005: "With 6' 6"" bed (w/ Stepside box) (bolt on)" · 2006: "With 6' 6"" bed (w/ Stepside box) (bolt on)"
1999-20061500 LT · V8.5328cc
Notes: 1999: w/ Stepside Box Bolt On · 2000: w/ Stepside Box Bolt On · 2001: w/ Stepside Box Bolt On · 2002: w/ Stepside Box Bolt On · 2003: w/ Stepside Box Bolt On · 2004: w/ Stepside Box Bolt On · 2005: w/ Stepside Box Bolt On · 2006: "With 6' 6"" bed (w/ Stepside box) (bolt on)"
1999-20042500 Base · V8.5967cc
Notes: Full Size 1500 6' 6" Stepside Box (bolt on)
1999-20002500 Base · V8.5328cc
Notes: Full Size 1500 6' 6" Stepside Box (bolt on)
1999-20042500 LS · V8.5967cc
Notes: Full Size 1500 6' 6" Stepside Box (bolt on)
1999-20002500 LS · V8.5328cc
Notes: Full Size 1500 6' 6" Stepside Box (bolt on)
1999-20002500 LT · V8.5328cc
Notes: Full Size 1500 6' 6" Stepside Box (bolt on)
1999-20042500 LT · V8.5967cc
Notes: Full Size 1500 6' 6" Stepside Box (bolt on)
2001-20031500 HD LS · V8.5967cc
Notes: Full Size 1500 6' 6" Stepside Box (bolt on)
2001-20031500 HD LT · V8.5967cc
Notes: With 6' 6" Bed (w/ Stepside box) (bolt on)
2001-20052500 HD Base · V8.6599cc
Notes: Full Size 1500 6' 6" Stepside Box (bolt on)
2001-20052500 HD Base · V8.5967cc
Notes: Full Size 1500 6' 6" Stepside Box (bolt on)
2001-20062500 HD LS · V8.6599cc
Notes: Full Size 1500 6' 6" Stepside Box (bolt on)
2001-20062500 HD LS · V8.5967cc
Notes: Full Size 1500 6' 6" Stepside Box (bolt on)
2001-20062500 HD LT · V8.6599cc
Notes: Full Size 1500 6' 6" Stepside Box (bolt on)
2001-20062500 HD LT · V8.5967cc
Notes: Full Size 1500 6' 6" Stepside Box (bolt on)
2003-20061500 SS · V8.5967cc
Notes: "With 6' 6"" bed (w/ Stepside box) (bolt on)"
2003-20061500 WT · V8.5328cc
Notes: "With 6' 6"" bed (w/ Stepside box) (bolt on)"
2004-20061500 Hybrid · V8.5328cc
Notes: "With 6' 6"" bed (w/ Stepside box) (bolt on)"
2004-20051500 LS · V8.5967cc
Notes: "With 6' 6"" bed (w/ Stepside box) (bolt on)"
2004-20061500 LT · V8.5967cc
Notes: "With 6' 6"" bed (w/ Stepside box) (bolt on)"
20041500 Z71 · V8.5328cc
Notes: "With 6' 6"" bed (w/ Stepside box) (bolt on)"
2004-20062500 HD WT · V8.5967cc
Notes: Full Size 1500 6' 6" Stepside Box (bolt on)
2004-20062500 HD WT · V8.6599cc
Notes: Full Size 1500 6' 6" Stepside Box (bolt on)
20042500 WT · V8.5967cc
Notes: Full Size 1500 6' 6" Stepside Box (bolt on)
20051500 HD Base · V8.5967cc
Notes: With 6' 6" Bed (w/ Stepside box) (bolt on)
20051500 HD LS · V8.5967cc
Notes: Full Size 1500 6' 6" Stepside Box (bolt on)
2005-20061500 HD LT · V8.5967cc
Notes: With 6' 6" Bed (w/ Stepside box) (bolt on)