HomeHVAC > Temperature Controls and Related ComponentsDorman 604-156 HVAC Blend Door Actuator - Main
Part #: 604-156

Dorman 604-156 HVAC Blend Door Actuator - Main

Main
⚙️ 5 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$77.45Free Shipping
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✅ 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, CTS and SRX
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman HVAC Blend Door Actuator 604-156

The Dorman HVAC Blend Door Actuator 604-156 is designed specifically for Cadillac CTS and SRX models. This actuator features a rotary switch activation type and is constructed from durable plastic, ensuring reliable operation within your vehicle's HVAC system.

  • Rotary switch activation for precise blend door control
  • Durable plastic material for long-lasting performance
  • Compatible with Cadillac CTS and SRX models
  • Includes one actuator per package
  • OEM-quality replacement part number 604-156

Detailed Product Description

The Dorman 604-156 HVAC blend door actuator is engineered to regulate the airflow and temperature inside the cabin by controlling the blend door position. Its rotary switch activation type allows for smooth and accurate adjustments, contributing to consistent climate control. Made from high-quality plastic, this actuator withstands the typical wear and tear associated with HVAC components. Designed to meet the specifications of Cadillac CTS and SRX vehicles, this part ensures proper fitment and function.

Common Applications and Problem Resolution

This HVAC blend door actuator is used to address issues related to climate control malfunctions in Cadillac CTS and SRX models. It is commonly installed to resolve:

  • Inconsistent cabin temperature regulation
  • Unresponsive or stuck blend door movement
  • Unusual noises from the HVAC system
  • Failure of the rotary switch activation mechanism
  • Airflow direction problems within the HVAC system

Installation Notes and Tips

Installation of the Dorman 604-156 blend door actuator requires basic automotive HVAC knowledge. It is recommended to disconnect the vehicle battery before beginning the replacement to avoid electrical issues. Access to the actuator may require removal of dashboard panels or glove box components depending on the model year. Ensure the actuator is properly aligned with the blend door shaft to prevent binding or premature failure.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance for Cadillac CTS and SRX vehicles. The 604-156 blend door actuator undergoes quality control inspections to ensure durability and proper function. Warranty coverage details can be obtained from the product documentation or manufacturer.

BrandDorman
Part Number604-156
MaterialPlastic
Package ContentsActuator
Switch Activation TypeRotary

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2007CadillacCTSMainHVAC Blend Door Actuator for mode selection in box packaging.
2006CadillacCTSMainHVAC Blend Door Actuator for mode selection in box packaging.
2006CadillacSRXMainHVAC Blend Door Actuator for mode selection in box packaging.
2005CadillacCTSMainFrom VIN 50155651; Mode; Packaging Type: Box
2005CadillacSRXMainFrom VIN 50155499; Mode; Packaging Type: 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:

19130407ADS172F04112

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