Four Seasons 73781 HVAC Blend Door Actuator - Left

HVAC Blend Door Actuator for Tacoma

This Four Seasons HVAC blend door actuator is built for Toyota Tacoma applications that require precise air door movement. It uses a cam-style door linkage and a 4-pin terminal layout for the specified fitments, including models with and without automatic temperature control.

Key Features

• Cam-style HVAC air door actuator for controlled blend door movement
• 4-terminal electrical connection for the listed applications
• 3 mounting ears for secure installation in the HVAC housing
• Fits Toyota Tacoma applications across multiple model years
• Four Seasons part number 73781 for direct product identification

Detailed Description

Four Seasons 73781 is an HVAC blend door actuator engineered for Toyota Tacoma climate control systems listed in the fitment data. The cam linkage design helps move the air door through the required range so the HVAC system can direct airflow as intended. This part number 73781 is listed for 2016-2023 Tacoma applications with notes that vary by equipment level, including vehicles without AC, without automatic temperature control, and left-side applications without ATC.

Four Seasons draws on more than 50 years of mobile A/C experience, and this actuator is tested for dependable operation in HVAC service. If you are replacing a worn or failed blend door actuator on a Toyota Tacoma, Four Seasons 73781 provides a fitment-specific replacement for the listed configurations.

What It Is Used For

• Restoring temperature blend control when the HVAC door no longer moves correctly
• Addressing clicking, binding, or inconsistent air direction from the dash vents
• Replacing an actuator that no longer responds to climate control commands
• Correcting airflow mix issues in Tacoma HVAC systems with the listed equipment notes

Installation Notes and Tips

Verify the vehicle year, Tacoma configuration, and equipment notes before ordering. This actuator is listed with different fitment conditions for N/A and left-side applications, so matching the exact HVAC setup is important. Confirm the connector style, mounting ear layout, and door linkage type against the original unit before installation.

Quality Assurance

Four Seasons states that its products are engineered and tested for years of trouble-free operation. Part number 73781 is backed by the brand's more than 50 years of mobile A/C experience.