Dorman 604-921 HVAC Blend Door Actuator for Specific Chevrolet / GMC / Isuzu Models Fits select: 1997-2023 CHEVROLET EXPRESS G2500, 2004-2023 CHEVROLET EXPRESS G3500

This air door actuator directly replaces the original actuator on specific vehicle years, makes, models, configurations and positions to restore proper HVAC operation. Please note that many vehicles have several different air door actuators, which are designed for specific positions and functions in the vehicle. To ensure you have what you need, carefully review the application notes for this part to verify it matches the position and function of the actuator you need to replace. In some online ordering systems, you may need to enter your vehicle information first to see the application notes for your vehicle. If you don't know which actuator position you need to replace, consult a qualified service technician.

• Direct replacement - made to match the fit and function of the original air door actuator on certain vehicle years, makes, models and configurations
• Position specific - vehicles often have multiple different HVAC door actuators; review this part's application notes to verify it matches the location and function of the actuator you need to replace
• Durable construction - designed and tested to strict standards to help resist wear and electrical burnout for reliable operation and long service life
• Trustworthy quality - backed by a team of experts and engineers in the United States, and more than a century of experience
• Ensure fit - to make sure this part fits your exact vehicle, input your year, make, model and configuration into the fitment tool on this page
• Vehicle model years this part fits:
  Chevrolet C4500 Kodiak: 2003, 2004, 2005, 2006, 2007, 2008, 2009
  Chevrolet C5500 Kodiak: 2003, 2004, 2005, 2006, 2007, 2008, 2009
  Chevrolet C6500 Kodiak: 2003, 2004, 2005, 2006, 2007, 2008, 2009
  Chevrolet C7500 Kodiak: 2003, 2004, 2005, 2006, 2007, 2008, 2009
  Chevrolet C8500 Kodiak: 2003, 2004, 2005, 2006, 2007, 2008, 2009
  Chevrolet C8500: 2003, 2004, 2005, 2006, 2007, 2008, 2009
  Chevrolet Express 1500: 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
  Chevrolet Express 2500: 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
  Chevrolet Express 3500: 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
  Chevrolet Express 4500: 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
  Also fits more vehicles not listed here