HomeHVAC > Temperature Controls and Related ComponentsDorman 604-321 HVAC Blend Door Actuator - Main
Part #: 604-321

Dorman 604-321 HVAC Blend Door Actuator - Main

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⚙️ 4 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Transit Connect
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Overview of Dorman HVAC Blend Door Actuator 604-321

The Dorman HVAC Blend Door Actuator 604-321 is designed specifically for Ford Transit Connect models. This rotary switch actuator features a durable plastic construction and a reliable pin terminal connection, ensuring consistent performance in your vehicle's HVAC system.

  • Rotary switch activation type for precise airflow control
  • Two male pin terminals for secure electrical connection
  • Durable plastic material for long-lasting use
  • Compatible with Ford Transit Connect HVAC systems
  • Includes one air door actuator per package

Detailed Product Description

This HVAC blend door actuator from Dorman operates with a rotary switch activation type, allowing smooth adjustment of the blend door position within the HVAC system. The actuator is equipped with two male pin terminals, providing a straightforward and secure electrical connection. Constructed from plastic, the actuator balances durability with lightweight design, suitable for the HVAC blend door mechanism in Ford Transit Connect vehicles. The part number 604-321 identifies this specific actuator model, ensuring compatibility and ease of replacement.

Common Applications and Problem Resolution

This actuator is used to control the blend door in the HVAC system, regulating the mix of hot and cold air inside the vehicle cabin. It addresses several common HVAC issues, including:

  • Inconsistent cabin temperature due to blend door malfunction
  • Unresponsive or stuck HVAC airflow direction
  • Noise or clicking sounds from the blend door area
  • Failure of the HVAC system to switch between heating and cooling modes

Installation Notes and Tips

  • Ensure the vehicle is a Ford Transit Connect before installation
  • Disconnect the battery to prevent electrical shorts during replacement
  • Access the blend door actuator behind the dashboard or glove compartment
  • Carefully disconnect the two-pin male terminal connector before removing the old actuator
  • Align the new actuator properly to avoid damage to the blend door mechanism

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. The HVAC blend door actuator 604-321 undergoes quality control testing to ensure reliable operation within Ford Transit Connect HVAC systems. Warranty coverage details can be obtained from the product documentation or authorized sources.

BrandDorman
Part Number604-321
MaterialPlastic
Package Contents1 Air Door Actuator
Switch Activation TypeRotary
Terminal GenderMale
Terminal Quantity2
Terminal TypePin

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2013FordTransit ConnectMainProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2012FordTransit ConnectMainProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2011FordTransit ConnectMainProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.
2010FordTransit ConnectMainProper installation of the ABS Wheel Speed Sensor is crucial for optimal performance.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1T1Z18731A

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.