Four Seasons 73625 HVAC Mode Door Actuator

HVAC Mode Door Actuator for GM Applications

Four Seasons 73625 is an HVAC mode door actuator built for precise air-door control in the climate system. It uses a 6-pin terminal layout, a male door linkage, and a 3-ear mounting design to match the original actuator style used in select Buick and Chevrolet vehicles.

Compatible With 2016-2020 Buick and Chevrolet models, including Buick Cascada, Buick Regal Sportback, Buick Regal TourX, Chevrolet Cruze, and Chevrolet Volt. If you are replacing a failed HVAC air door actuator, Four Seasons 73625 is a direct-fit service part for the listed applications.

Key Features

• HVAC air door actuator for mode door control
• Male door linkage for the specified OE-style connection
• 3 mounting ears for secure installation
• 6 terminal pins for the correct electrical interface
• Built and tested for long-term operation
• Four Seasons part number 73625

Detailed Description

Four Seasons 73625 is an HVAC mode door actuator engineered for vehicles that rely on electronic air-door positioning to direct airflow through the dash vents, floor outlets, or defrost outlets. The actuator’s male linkage, 3-ear mounting pattern, and 6-pin terminal configuration are important details for matching the original unit during replacement. This part cross-references OE numbers 13416716 and 13426651 for the same application. Four Seasons 73625 is listed for 2016-2019 Buick Cascada, 2018-2020 Buick Regal Sportback, 2018-2020 Buick Regal TourX, 2016-2019 Chevrolet Cruze, and 2016-2019 Chevrolet Volt.

What It Helps Fix

• Airflow stuck on one vent setting
• No response when switching between panel, floor, and defrost modes
• Clicking or ticking from behind the dash
• Inconsistent HVAC mode selection
• Loss of proper air distribution inside the cabin

Installation Notes and Tips

Verify the connector style, terminal count, linkage type, and mounting ear layout before installation. Compare the removed actuator to Four Seasons 73625 to confirm the mode door application on your Buick Cascada, Buick Regal Sportback, Buick Regal TourX, Chevrolet Cruze, or Chevrolet Volt. After installation, cycle the HVAC controls to allow the system to relearn door positions if required by the vehicle.

Quality Assurance

Four Seasons states that its products are engineered and tested for years of trouble-free operation, backed by more than 50 years of mobile A/C experience. That focus on HVAC service parts supports dependable replacement performance for the listed vehicles.