Four Seasons 73642 HVAC Blend Door Actuator - Left or Right

Reliable HVAC Blend Door Actuator for Nissan and Infiniti Vehicles

The Four Seasons 73642 HVAC Blend Door Actuator is designed to restore proper airflow control in your vehicle's heating and cooling system. Compatible with select Nissan and Infiniti models, this actuator ensures precise temperature regulation and improved cabin comfort.

• Door linkage type: Male for secure connection
• Mounting ear quantity: 4 for stable installation
• Style: HVAC air door actuator for blend door control
• Terminal pin quantity: 3 for reliable electrical connection

Product Details and Specifications

This HVAC blend door actuator from Four Seasons features a male door linkage that interfaces directly with the blend door mechanism, providing accurate movement to regulate air temperature inside the vehicle. The actuator includes four mounting ears, which help maintain a firm and vibration-resistant fit within the HVAC housing. Equipped with three terminal pins, it ensures consistent electrical connectivity for smooth operation. This part is engineered to meet the specifications required for Nissan and Infiniti models such as the JX35, Maxima, Murano, Pathfinder, and QX60.

Compatible Vehicles and Common Applications

The Four Seasons 73642 actuator is compatible with the following vehicles:

• Nissan JX35
• Nissan Maxima
• Nissan Murano
• Nissan Pathfinder
• Infiniti QX60

This actuator is used to control the blend door within the HVAC system, which adjusts the mix of hot and cold air to achieve the desired cabin temperature.

Common HVAC Issues Addressed

• Inconsistent or incorrect cabin temperature regulation
• Unresponsive or stuck blend door movement
• Unusual noises from the HVAC system during temperature changes
• Failure to switch between heating and cooling modes
• Intermittent airflow problems related to blend door malfunction

Installation Notes and Tips

When installing the Four Seasons 73642 blend door actuator, ensure the male door linkage aligns properly with the blend door mechanism. Verify that all four mounting ears are securely fastened to prevent vibration or loosening over time. Check the three terminal pins for clean and secure electrical connections to avoid intermittent operation. It is recommended to disconnect the vehicle battery before installation to prevent electrical shorts.

Quality Assurance and Warranty

Four Seasons parts are manufactured to meet or exceed OEM standards for fit and function. The 73642 HVAC blend door actuator undergoes rigorous quality control to ensure durability and reliable performance. Please refer to Four Seasons' official warranty policy for specific coverage details.