A-NAFTULY HVAC Heater Blend Door Actuator for Chevy/GMC/Cadillac 2014-2019 – Direct-Fit, 5‑Pin Connector, OE Replacements 604-706

The A-NAFTULY HVAC heater blend door actuator is a direct-fit replacement that restores air flow and temperature control for compatible 2014–2019 GM trucks and SUVs.

This replacement blend door actuator is engineered to match the original equipment design and reconnect proper HVAC door movement for vehicles including Chevy Silverado, Suburban, Tahoe, GMC Sierra, Yukon and Cadillac Escalade models. It replaces OE part numbers 604-706, 22808876, and ADS4326 and arrives with a five-pin connector for straightforward installation. The unit is bench-tested for fit and function and backed by an 18-month warranty.

How will this actuator affect cabin temperature and airflow?

Replacing a worn actuator restores the blend and mode doors that direct heated or cooled air to the cabin. When the actuator operates correctly, temperature changes from the control head are reflected at the vents and the air distribution settings respond smoothly.

• Controls blend and mode doors that regulate hot/cold mix and vent selection
• Prevents stuck or jittery doors that cause uneven vent temperatures
• Five-pin connector matches factory wiring for reliable signal transfer
• Recalibration after installation helps align door position with control inputs

Is this actuator compatible with my vehicle year and model?

This actuator covers a broad set of GM trucks and SUVs across several model years; confirm compatibility by cross-referencing your OE part number or vehicle application. It is listed for many Silverado, Sierra, Suburban, Tahoe, Yukon, and Escalade variants from 2014–2019 depending on engine and trim.

• Fits 2014–2018 Chevy Silverado 1500 and 2015–2019 Silverado 2500/3500 variants
• Compatible with 2015–2018 Suburban, Tahoe and 2016–2018 Suburban 3500 HD
• Works with GMC Sierra 1500/2500/3500 and Yukon/Yukon XL in listed years
• Also fits 2015–2018 Cadillac Escalade and Escalade ESV models

How difficult is installation and what should I watch for?

Installation is designed as a direct replacement and is achievable as a one-person job for someone comfortable with basic dash or glovebox access. Remove the old actuator, transfer any mounting hardware if needed, plug in the five-pin connector, and secure the new unit; some vehicles require recalibration through HVAC controls after installation.

• Designed to match OEM mounting points for tool-only installation
• Common locations: lower or upper main HVAC housing depending on function
• Recalibrate the HVAC system after fitting to synchronize door positions
• Reference vehicle repair manual for dash removal steps if needed

What does the warranty cover and how do I get support?

A-NAFTULY includes an 18-month limited warranty and a welcome guide to help with installation and troubleshooting. If the unit fails to operate or you encounter fitment issues, contact customer support with your order details for replacement or assistance.

• 18-month warranty for defects and functional failures
• Support available for fitment questions and installation guidance
• Return or replacement process coordinated through A-NAFTULY support

Who is this for: This blend door actuator is built for owners and technicians working on mid-2010s GM trucks and SUVs who need a reliable, OEM-form replacement to correct faulty HVAC door movement. It’s ideal if you experience inconsistent vent temperatures, clicking noises from the dash, or unresponsive mode controls and want a durable, plug-and-play solution with warranty support.