6.0 Liter OHV 16-Valve Vortec V8 Engine for the 2003 GMC Sierra 2500HD #45920521

6.0 Liter OHV 16-Valve Vortec V8 Engine on the 2003 GMC Sierra 2500HD Extended Cab 4x4

  • 6.0 Liter OHV 16-Valve Vortec V8 Engine for 2003 GMC Sierra 2500HD Extended Cab 4x4 #45516784

6.0 Liter OHV 16-Valve Vortec V8 Engine on the 2003 GMC Sierra 2500HD Regular Cab 4x4

  • 6.0 Liter OHV 16-Valve Vortec V8 Engine for 2003 GMC Sierra 2500HD Regular Cab 4x4 #47899850
  • 6.0 Liter OHV 16-Valve Vortec V8 Engine for 2003 GMC Sierra 2500HD Regular Cab 4x4 #47899853

6.0 Liter OHV 16-Valve Vortec V8 Engine on the 2003 GMC Sierra 2500HD SLE Crew Cab 4x4

  • 6.0 Liter OHV 16-Valve Vortec V8 Engine for 2003 GMC Sierra 2500HD SLE Crew Cab 4x4 #45920521