Home› HVAC > Temperature Controls and Related Components› Dorman 604-315 HVAC Blend Door Actuator - Auxiliary or Main
Dorman 604-315 HVAC Blend Door Actuator - Auxiliary or MainOE Quality 60-Day Returns
Dorman 604-315 HVAC Blend Door Actuator - Auxiliary or Main - view 1
Dorman 604-315 HVAC Blend Door Actuator - Auxiliary or Main - view 2
Dorman 604-315 HVAC Blend Door Actuator - Auxiliary or Main - view 3
Part #: 604-315

Dorman 604-315 HVAC Blend Door Actuator - Auxiliary or Main

Auxiliary
⚙️ 44 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$42.73Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, Chevrolet, and Buick, SRX, Camaro, LaCrosse, Regal, Verano, and Allure
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST
Not what you need? Click here for all HVAC Blend Door Actuator options

Reliable HVAC Blend Door Actuator for Buick, Cadillac, and Chevrolet

The Dorman 604-315 HVAC Blend Door Actuator is designed to restore proper airflow control in your vehicle's heating and cooling system. Compatible with select Buick, Cadillac, and Chevrolet models, this actuator ensures precise temperature regulation through its rotary switch activation and durable construction.

Key Features of the Dorman 604-315 HVAC Blend Door Actuator

  • Rotary switch activation type for smooth and accurate operation
  • Six-pin male terminal configuration for secure electrical connection
  • Constructed from durable plastic material for long-lasting performance
  • Includes one air door actuator per package
  • Compatible with Buick Allure, Cadillac SRX, Chevrolet Camaro, LaCrosse, Regal, and Verano models

Detailed Description of the HVAC Blend Door Actuator

The Dorman 604-315 HVAC Blend Door Actuator is engineered to control the blend door within the HVAC system, regulating the mix of hot and cold air to maintain the desired cabin temperature. Featuring a rotary switch activation type, this actuator provides precise movement and reliable response to temperature control inputs. The six-pin male terminal design ensures a stable electrical connection, minimizing the risk of intermittent operation. Made from high-quality plastic, the actuator offers resistance to wear and environmental factors, contributing to consistent HVAC performance in Buick, Cadillac, and Chevrolet vehicles.

Common HVAC Issues Addressed by This Blend Door Actuator

  • Inconsistent cabin temperature due to blend door malfunction
  • Unresponsive or stuck temperature control settings
  • Unusual noises from the HVAC system during operation
  • Failure to switch between heating and cooling modes effectively
  • Intermittent airflow problems related to actuator failure

Installation Notes and Tips for Dorman 604-315

  • Ensure vehicle compatibility with Buick Allure, Cadillac SRX, Chevrolet Camaro, LaCrosse, Regal, or Verano before installation
  • Disconnect the battery prior to actuator replacement to prevent electrical shorts
  • Carefully remove the old blend door actuator to avoid damaging HVAC components
  • Verify the six-pin male terminal connection is secure and properly aligned
  • Test the actuator operation before reassembling the dashboard panels

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 604-315 HVAC Blend Door Actuator undergoes rigorous quality control to ensure proper fit and function in compatible Buick, Cadillac, and Chevrolet models. Warranty coverage details can be obtained from the product packaging or Dorman's official documentation.

BrandDorman
Part Number604-315
MaterialPlastic
Package Contents1 Air Door Actuator
Switch Activation TypeRotary
Terminal GenderMale
Terminal Quantity6
Terminal TypePin

This part fits 44 vehicles. Search below:

YearMakeModelPositionNotes
2016CadillacSRXAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2016CadillacSRXAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2016CadillacSRXMainAir Inlet; Outside Air Door; Packaging Type: Box
2016CadillacSRXMainAir Inlet; Inside Air Door; Packaging Type: Box
2015CadillacSRXAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2015CadillacSRXAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2015CadillacSRXMainAir Inlet; Outside Air Door; Packaging Type: Box
2015CadillacSRXMainAir Inlet; Inside Air Door; Packaging Type: Box
2015ChevroletCamaroMainFits vehicles requiring outside air, comes in a box.
2014CadillacSRXAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2014CadillacSRXAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2014CadillacSRXMainAir Inlet; Outside Air Door; Packaging Type: Box
2014CadillacSRXMainAir Inlet; Inside Air Door; Packaging Type: Box
2014ChevroletCamaroMainFits vehicles requiring outside air, comes in a box.
2013BuickLaCrosseMainAir Inlet; w/RPO Code CJ2 (Front Automatic Temperature Controls); w/4 Pin Connector; Packaging Type: Box
2013CadillacSRXAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2013CadillacSRXAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2013CadillacSRXMainAir Inlet; Outside Air Door; Packaging Type: Box
2013CadillacSRXMainAir Inlet; Inside Air Door; Packaging Type: Box
2013ChevroletCamaroMainFits vehicles requiring outside air, comes in a box.
2012BuickLaCrosseMainFront Automatic Temperature Controls CJ2 (RPO Code) - Box Packaging - Air Inlet.
2012BuickRegalMainAir Inlet; Inside Air Door; Packaging Type: Box
2012BuickRegalMainAir Inlet; Outside Air Door; Packaging Type: Box
2012BuickVeranoMainMode; with RPO Code CJ2 (Front Automatic Temperature Controls); Packaged in a Box
2012CadillacSRXAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2012CadillacSRXAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2012CadillacSRXMainAir Inlet; Inside Air Door; Packaging Type: Box
2012CadillacSRXMainAir Inlet; Outside Air Door; Packaging Type: Box
2012ChevroletCamaroMainFits vehicles requiring outside air, comes in a box.
2011BuickLaCrosseMainFront Automatic Temperature Controls CJ2 (RPO Code) - Box Packaging - Air Inlet.
2011BuickRegalMainAir Inlet; Inside Air Door; Packaging Type: Box
2011BuickRegalMainAir Inlet; Outside Air Door; Packaging Type: Box
2011CadillacSRXAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2011CadillacSRXAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2011CadillacSRXMainAir Inlet; Inside Air Door; Packaging Type: Box
2011CadillacSRXMainAir Inlet; Outside Air Door; Packaging Type: Box
2011ChevroletCamaroMainFits vehicles requiring outside air, comes in a box.
2010BuickAllureMainFront Automatic Temperature Controls CJ2 (RPO Code) - Box Packaging - Air Inlet.
2010BuickLaCrosseMainFront Automatic Temperature Controls CJ2 (RPO Code) - Box Packaging - Air Inlet.
2010CadillacSRXAuxiliaryHVAC Blend Door Actuator for mode selection in box packaging.
2010CadillacSRXAuxiliaryTemperature control HVAC blend door actuator for box packaging.
2010CadillacSRXMainAir Inlet; Inside Air Door; Packaging Type: Box
2010CadillacSRXMainAir Inlet; Outside Air Door; Packaging Type: Box
2010ChevroletCamaroMainFits vehicles requiring outside air, comes in a box.

* 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:

13316344

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

Related Articles