2001-2002 GMC C7500 Topkick 8.1L V8. 1999-2002 GMC C7500 Topkick 7.2L 6 Cyl. 1999-2000 GMC C7500 Topkick 7.4L V8. Notes: HVAC Blower Motor -- Bolt On Impellar; with Blower Wheel. The blower motor assembly is designed to push/pull air across the A/C evaporator.
