HomeHVAC > Temperature Controls and Related ComponentsGlobal Parts 1712073 HVAC Mode Door Actuator
Part #: 1712073

Global Parts 1712073 HVAC Mode Door Actuator

⚙️ 73 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$35.85Free 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: Chevrolet, GMC, Saab, Isuzu, and Oldsmobile, Trailblazer, Envoy, 9-7x, Ascender, Trailblazer EXT, Envoy XL, Envoy XUV, and Bravada
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable HVAC Mode Door Actuator for Chevrolet and GMC Vehicles

The Global Parts 1712073 HVAC Mode Door Actuator is designed to restore proper airflow control in your vehicle's heating and cooling system. Compatible with select Chevrolet, GMC, Isuzu, Oldsmobile, and Saab models, this actuator ensures precise operation of the HVAC mode doors.

Key Features of Global Parts 1712073 HVAC Mode Door Actuator

  • Compatible with Chevrolet Trailblazer, Trailblazer EXT, GMC Envoy, Envoy XL, Envoy XUV, Isuzu Ascender, Oldsmobile Bravada, Saab 9-7x
  • Direct replacement for factory HVAC mode door actuators
  • Restores accurate airflow direction control within the HVAC system
  • Durable construction designed for long-term performance
  • Part number 1712073 ensures correct fit and function

Detailed Description of the HVAC Mode Door Actuator

The HVAC Mode Door Actuator 1712073 from Global Parts is engineered to control the position of the mode door within the heating, ventilation, and air conditioning system. This actuator moves the door to direct airflow through vents, defrosters, or floor outlets as selected by the vehicle’s climate control system. It is a critical component for maintaining comfort and proper climate control in Chevrolet Trailblazer, GMC Envoy, and related models. The actuator is manufactured to meet OEM specifications, providing reliable operation and compatibility with the vehicle’s electrical system.

Common Issues Resolved by This HVAC Mode Door Actuator

  • Inconsistent or incorrect airflow direction inside the cabin
  • HVAC system stuck in one mode (e.g., defrost only or floor vents only)
  • Unusual noises or clicking sounds from the dashboard area
  • Failure of the climate control system to respond to mode changes
  • Intermittent or complete loss of HVAC mode door movement

Installation Notes and Tips

  • Ensure vehicle compatibility by verifying make and model before installation
  • Disconnect the battery prior to actuator replacement to prevent electrical issues
  • Access the actuator through the dashboard or glove box area as specified in the vehicle service manual
  • Handle the actuator carefully to avoid damage to the gear mechanism
  • Test the HVAC system after installation to confirm proper operation of the mode door

Quality Assurance and Warranty Information

Global Parts manufactures the 1712073 HVAC Mode Door Actuator to meet industry standards for durability and performance. While specific warranty details may vary, this part typically includes a limited warranty against defects in materials and workmanship. Using a genuine Global Parts actuator helps maintain the integrity of your vehicle’s HVAC system and ensures consistent climate control functionality.

This part fits 73 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2009ChevroletTrailblazer4.2LL6N/AMode Door Actuator; w/ Rear AC
2009ChevroletTrailblazer5.3LV8N/AMode Door Actuator; w/ Rear AC
2009ChevroletTrailblazer6.0LV8N/AMode Door Actuator; w/ Rear AC
2009GMCEnvoy4.2LL6N/AMode Door Actuator; w/ Rear AC
2009GMCEnvoy5.3LV8N/AMode Door Actuator; w/ Rear AC
2009Saab9-7x5.3LV8N/AMode Door Actuator; w/ Rear AC
2009Saab9-7x4.2LL6N/AMode Door Actuator; w/ Rear AC
2009Saab9-7x6.0LV8N/AMode Door Actuator; w/ Rear AC
2008ChevroletTrailblazer4.2LL6N/AMode Door Actuator; w/ Rear AC
2008ChevroletTrailblazer5.3LV8N/AMode Door Actuator; w/ Rear AC
2008ChevroletTrailblazer6.0LV8N/AMode Door Actuator; w/ Rear AC
2008GMCEnvoy4.2LL6N/AMode Door Actuator; w/ Rear AC
2008GMCEnvoy5.3LV8N/AMode Door Actuator; w/ Rear AC
2008IsuzuAscender4.2LL6N/AMode Door Actuator; w/ Rear AC
2008Saab9-7x5.3LV8N/AMode Door Actuator; w/ Rear AC
2008Saab9-7x4.2LL6N/AMode Door Actuator; w/ Rear AC
2008Saab9-7x6.0LV8N/AMode Door Actuator; w/ Rear AC
2007ChevroletTrailblazer5.3LV8N/AMode Door Actuator; w/ Rear AC
2007GMCEnvoy5.3LV8N/AMode Door Actuator; w/ Rear AC
2007IsuzuAscender4.2LL6N/AMode Door Actuator; w/ Rear AC
2007Saab9-7x5.3LV8N/AMode Door Actuator; w/ Rear AC
2007Saab9-7x4.2LL6N/AMode Door Actuator; w/ Rear AC
2006ChevroletTrailblazer5.3LV8N/AMain Mode Door Actuator compatible with Rear AC functions.
2006ChevroletTrailblazer6.0LV8N/AMain Mode Door Actuator compatible with Rear AC functions.
2006ChevroletTrailblazer4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2006ChevroletTrailblazer EXT4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2006ChevroletTrailblazer EXT5.3LV8N/AMain Mode Door Actuator compatible with Rear AC functions.
2006GMCEnvoy5.3LV8N/AMain Mode Door Actuator compatible with Rear AC functions.
2006GMCEnvoy4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2006GMCEnvoy XL4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2006GMCEnvoy XL5.3LV8N/AMain Mode Door Actuator compatible with Rear AC functions.
2006IsuzuAscender4.2LL6N/AMode Door Actuator; w/ Rear AC
2006IsuzuAscender5.3LV8N/AMode Door Actuator; w/ Rear AC
2006Saab9-7x5.3LV8N/AMode Door Actuator; w/ Rear AC
2006Saab9-7x4.2LL6N/AMode Door Actuator; w/ Rear AC
2005ChevroletTrailblazer4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2005ChevroletTrailblazer EXT4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2005ChevroletTrailblazer EXT5.3LV8N/AMain Mode Door Actuator compatible with Rear AC functions.
2005GMCEnvoy5.3LV8N/AMain Mode Door Actuator compatible with Rear AC functions.
2005GMCEnvoy4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2005GMCEnvoy XL4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2005GMCEnvoy XL5.3LV8N/AMain Mode Door Actuator compatible with Rear AC functions.
2005GMCEnvoy XUV4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2005GMCEnvoy XUV5.3LV8N/AMain Mode Door Actuator compatible with Rear AC functions.
2005IsuzuAscender4.2LL6N/AMode Door Actuator; w/ Rear AC
2005IsuzuAscender5.3LV8N/AMode Door Actuator; w/ Rear AC
2005Saab9-7x5.3LV8N/AMode Door Actuator; w/ Rear AC
2005Saab9-7x4.2LL6N/AMode Door Actuator; w/ Rear AC
2004ChevroletTrailblazer4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2004ChevroletTrailblazer EXT4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2004ChevroletTrailblazer EXT5.3LV8N/AMain Mode Door Actuator compatible with Rear AC functions.
2004GMCEnvoy4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2004GMCEnvoy XL4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2004GMCEnvoy XL5.3LV8N/AMain Mode Door Actuator compatible with Rear AC functions.
2004GMCEnvoy XUV4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2004GMCEnvoy XUV5.3LV8N/AMain Mode Door Actuator compatible with Rear AC functions.
2004IsuzuAscender4.2LL6N/AMode Door Actuator; w/ Rear AC
2004IsuzuAscender5.3LV8N/AMode Door Actuator; w/ Rear AC
2004OldsmobileBravada4.2LL6N/AMode Door Actuator; w/ Rear AC
2003ChevroletTrailblazer4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2003ChevroletTrailblazer EXT4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2003ChevroletTrailblazer EXT5.3LV8N/AMain Mode Door Actuator compatible with Rear AC functions.
2003GMCEnvoy4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2003GMCEnvoy XL4.2LL6N/AMain Mode Door Actuator compatible with Rear AC functions.
2003GMCEnvoy XL5.3LV8N/AMain Mode Door Actuator compatible with Rear AC functions.
2003IsuzuAscender4.2LL6N/AMode Door Actuator; w/ Rear AC
2003IsuzuAscender5.3LV8N/AMode Door Actuator; w/ Rear AC
2003OldsmobileBravada4.2LL6N/AMode Door Actuator; w/ Rear AC
2002ChevroletTrailblazer4.2LL6N/AMode Door Actuator for main HVAC system.
2002ChevroletTrailblazer EXT4.2LL6N/AMode Door Actuator for main HVAC system.
2002GMCEnvoy4.2LL6N/AMode Door Actuator for main HVAC system.
2002GMCEnvoy XL4.2LL6N/AMode Door Actuator for main HVAC system.
2002OldsmobileBravada4.2LL6N/AMode Door Actuator; w/ Rear AC

* 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:

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