Dorman - HD Solutions HVAC Blend Door Actuator 604-5155
Dorman - HD Solutions HVAC Blend Door Actuator 604-5155 - view 2
Dorman - HD Solutions HVAC Blend Door Actuator 604-5155 - view 3
Dorman - HD Solutions HVAC Blend Door Actuator 604-5155
Dorman - HD Solutions HVAC Blend Door Actuator 604-5155 - view 2
Dorman - HD Solutions HVAC Blend Door Actuator 604-5155 - view 3

Left Blend Door Actuator for 1995-2006 Chevrolet Tahoe & More - Dorman 604-5155

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$43.99
MPN: 604-5155
Item Package Quantity: 1
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Dorman - HD Solutions HVAC Blend Door Actuator P/N:604-5155
Dorman - HD Solutions HVAC Blend Door Actuator P/N:604-5155
$43.99

Keep cabin temperature and airflow under control with the Dorman - HD Solutions blend door actuator, MPN 604-5155. This small electric motor drives the HVAC air door that directs heated or cooled air through the case, and it drops in as a direct-fit replacement across a wide range of GM vehicles and Mack trucks — including the 1995-2006 Chevrolet Tahoe, 1992-2006 GMC Yukon and 1996-2023 Chevrolet Express 2500. See the Buyer's Guide tab for the full list.

  • Direct replacement: engineered to install like the original air door actuator on the listed years, makes, models and configurations to help restore proper HVAC operation.
  • Position specific: cataloged for the MAIN, AUXILIARY and LEFT MAIN positions — many vehicles use several different HVAC door actuators, so review the application notes to confirm it matches the location and function of the one you need.
  • Durable construction: designed and tested to strict standards to help resist wear and electrical burnout for reliable operation.
  • Trustworthy quality: backed by a team of experts and engineers in the United States with more than a century of experience.

Interchange: 577.62516 · 3543-H2470
57762516 · 3543H2470 · H2491 · 16124922 · 89018356 · 3543H2491

This part cross-references / interchanges with the following part numbers:

577.62516, H2491, 16124922, 89018356, 3543-H2470, 3543H2470, 3543H2491

Frequently Asked Questions

What does the Dorman air door actuator 604-5155 do?

It is the electric motor that positions an HVAC air (blend) door in the heating and cooling case, directing airflow and mix. If a failed actuator is the cause of your temperature or airflow problem, this replaces it.

Will this Dorman hvac heater blend door actuator fit my vehicle?

It fits many vehicles, including the 1995-2006 Chevrolet Tahoe, 1992-2006 GMC Yukon and 1996-2023 Chevrolet Express 2500. Check the Buyer's Guide tab and confirm the position for your vehicle.

Which actuator position does 604-5155 replace?

It is cataloged for the MAIN, AUXILIARY and LEFT MAIN positions. Vehicles often use multiple HVAC door actuators, so review the application notes to verify the location and function you need to replace.

What are signs this Dorman heater blend door actuator may need replacing?

Common signs include a clicking or knocking noise from the dash, air that won't change temperature, or a door stuck on one setting. Diagnose the cause before replacing.

What numbers does this Dorman blend door actuator 604 interchange with?

It cross-references 577.62516, 3543-H2470, H2491, 16124922, 89018356, 3543H2470 and 3543H2491.

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