Get consistent cabin temperature control with the FOUR SEASONS blend door actuator 73684, a direct-fit replacement for the 2014-2017 Acura RLX. This left-side hvac blend door actuator is the small electric motor that positions the blend door inside the HVAC case, setting how much air passes through the heater core versus the evaporator to control the temperature reaching the vents.
What it does: Drives the blend door to the commanded position so the system can regulate airflow temperature.
Complete assembly: Includes the lever arm, gear, cam gear hardware, and linkage as applicable.
Internal build: Motor, drive gears, electronics, and connections.
Tested: Checked for function, durability, and longevity.
Backed by Four Seasons: Built to OE-level fit and function, drawing on decades of mobile A/C experience.
Signs this actuator may need replacing include a clicking or knocking noise from behind the dash, air that stays stuck on hot or cold, or temperature that won't respond to the controls. If a failed blend door actuator is the cause, this unit replaces it. Fits the left position on the applications above — see the Buyer's Guide tab for engine details.
What does the Four Seasons 73684 blend door actuator do?
It is the small electric motor that moves the blend door in the HVAC case, setting how much air flows through the heater core versus the evaporator to control the temperature at the vents.
Does this fit my Acura RLX?
Yes, the 73684 is a direct-fit replacement for the 2014-2017 Acura RLX in the left position. Check the Buyer's Guide tab to confirm the application for your vehicle.
What is included with this actuator?
It includes the lever arm, gear, cam gear hardware, and linkage as applicable, along with the internal motor, drive gears, electronics, and connections.
What are the signs of a failing blend door actuator?
Common signs include a clicking or knocking noise behind the dash, air stuck on hot or cold, or temperature that won't respond to the controls. Diagnose the cause before replacing.
Which position is this actuator for?
This is the left-side blend door actuator for the listed applications.
HVAC Air Door ActuatorOur products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Four...
HVAC Air Door ActuatorOur products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Four...
HVAC Air Door ActuatorOur products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Four...
Keep cabin temperature and airflow direction under accurate control with the Four Seasons HVAC Blend Door Actuator 73623. This left-side actuator is a direct-fit replacement for the 2019-2022 Honda...
Steer cabin airflow back to the correct vents with the Four Seasons Mode Door Actuator (MPN 73470), a direct-fit replacement for the listed Ford and Lincoln applications — including the 2013-2019...
WARNING:
These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov.
