Four Seasons 73765 HVAC Blend Door Actuator - Main

Overview

Four Seasons 73765 is an HVAC blend door actuator for Ford and Mercury applications with confirmed fitment across multiple model years and HVAC positions. It is built for direct replacement use in vehicles that rely on an air door actuator to control cabin airflow and temperature routing.

Key Features

• HVAC air door actuator for blend door control
• Male door linkage for the specified application
• Two mounting ears for secure installation
• No terminal pins listed in the product data
• Four Seasons part number 73765

Detailed Description

This Four Seasons HVAC blend door actuator is engineered for service replacement in Ford E-Series, Escape, Aerostar, Thunderbird, and Mercury Cougar and Mariner applications. The part number 73765 is listed for multiple HVAC positions, including main, defrost, floor, auxiliary, and panel applications, so it is important to match the vehicle and HVAC location exactly to the fitment table before ordering. This part cross-references F2UZ18A318B and MT7415 for the same application.

Four Seasons draws on more than 50 years of mobile A/C experience, and this actuator is tested for dependable operation in climate control systems. For buyers searching for a Ford E-350 Super Duty HVAC blend door actuator or a Ford Escape air door actuator, 73765 provides a direct replacement option with application-specific fitment.

What It Is Used For

• Restoring proper cabin temperature blend control
• Correcting airflow routing between HVAC outlets
• Replacing a worn or failed air door actuator
• Addressing inconsistent defrost, floor, or panel air distribution
• Resolving HVAC movement issues caused by actuator wear

Installation Notes

Verify the exact year, make, model, and HVAC position in the fitment table before installation. Match the male linkage style and two-ear mounting layout to the original part, and confirm the actuator location on the HVAC case to avoid ordering the wrong version. Professional installation is recommended when access to the HVAC housing is limited.

Quality Assurance

Four Seasons states that its products are engineered and tested for years of trouble-free operation. The brand also notes more than 50 years of mobile A/C experience behind this replacement part.