Why Your Ram 2500 or 3500 Needs a Blend Door Actuator Replacement

If your Ram truck’s HVAC system is stuck blowing hot air or won’t change vent positions, the problem is often a failed blend door actuator. This small motor controls internal airflow and temperature blending in your dash. A worn actuator causes all sorts of cabin climate issues.

Common bad blend door actuator symptoms:

• Clicking or popping behind the dash
• Airflow stuck on defrost, floor, or face vents
• Heat or A/C stuck on high or low
• Uneven temperatures between zones
• No improvement after recalibration

This Mopar HVAC actuator restores full airflow control in your Ram 2500 or 3500.

What’s Included in the Mopar HVAC Blend Door Actuator

This part is a direct-fit, factory-spec replacement designed by Mopar.

• Mopar part #68448026AA
• Genuine OEM actuator for blend door function
• Fits Ram trucks with single or dual zone HVAC systems
• Uses factory hardware and connector
• 24-month Mopar manufacturer warranty
• Replaces older part numbers 68089742AA and 68089742AB

• 2009–2024 Ram 2500 and Ram 3500 (6.7L Cummins)
• 2014–2018 Ram 1500 3.0L EcoDiesel

How Many Blend Door Actuators Do You Need?

• Single zone HVAC systems: 4 actuators
• Dual zone HVAC systems: 5 actuators
• Rear vent systems do not require additional actuators

This actuator fits all positions in the HVAC box, depending on your configuration.

Why Use OEM Instead of Aftermarket HVAC Door Actuators?

Cheap aftermarket actuators often fail early or don’t calibrate correctly. This Mopar blend door actuator ensures:

• Proper alignment and airflow function
• Seamless communication with your truck’s HVAC system
• No guesswork or programming
• Quiet, reliable performance over time