NEW-Dorman #604-045 HVAC/Heater Blend Door Actuator-FREE SHIPPING For Sale - New and Used

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• The Dorman 604-045 is an HVAC blend door actuator that directly replaces the original air door actuator in specific vehicles, controlling airflow and temperature within the cabin.Function and PurposeThe Dorman 604-045 is an air door actuator, also referred to as a blend door actuator, which is part of a vehicle\'s heating, ventilation, and air conditioning (HVAC) system. Its primary role is to regulate the flow and temperature of air inside the vehicle’s cabin by adjusting the positions of the air doors within the HVAC system. Proper operation ensures comfortable climate control for the driver and passengersKey Features
  • Direct Replacement: Engineered to match the fit and function of the original equipment actuator for specific models and configurations
  • Position-Specific: Vehicles may have multiple air door actuators for different HVAC functions (e.g., mode or blend control), so verification of the actuator’s position and function is required
  • Durable Construction: Built to resist wear and electrical burnout for long service life
  • Switch Activation Type: Rotary mechanism.Material: Constructed from plastic with rugged internal components designed for precise operation
  Vehicle CompatibilityThe Dorman 604-045 is compatible with multiple vehicles across light, medium, and heavy-duty applications, including:
  • Dodge Durango: 2011–2013
  • Jeep Grand Cherokee: 2011–2013
  • Kenworth T680: 2013–2025
  • Kenworth T880: 2014–2025
  • Peterbilt 537: 2023–2025
  • Peterbilt 548: 2022–2025
  • Peterbilt 567: 2014–2025
  • Peterbilt 579: 2013–2025
  • Peterbilt 589: 2024–2025
  Technical Specifications
  • Item Weight: 3.2 ounces
  • Dimensions: 5.1 x 4.4 x 2.6 inches
  • OEM Cross-References: 545250008, 68079488AA, 68079488AB, T6892003, among others
  • Package Contents: One Actuator/Alignment tool/Instructions
  • Origin: Manufactured in South Korea
  Installation and Considerations
  • Before purchasing, it is recommended to verify the actuator position and function with your vehicle’s specifications or consult a qualified technician, as some vehicles have multiple HVAC actuators
  • This part is designed for direct replacement, matching the original actuator’s operation to restore proper HVAC system performance
  • Compatible with aftermarket and Original Equipment cross-references, which allows replacement without modification
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  In summary, the Dorman 604-045 is an essential HVAC component that ensures proper airflow and temperature control in compatible vehicles, offering a durable, direct-fit alternative to the original manufacturer’s air door actuator.

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