Take command of your dash temperature with the Four Seasons Toyota Sequoia blend door actuator (MPN 73640), a direct-fit replacement for the 2001-2007 Toyota Sequoia. This small electric motor positions the blend door inside the HVAC case, controlling how much air passes through the heater core to set the temperature you select — whether you drive a 2001 Toyota Sequoia or a 2003 Toyota Sequoia.
Includes the linkage: Comes with the lever arm, gear, cam gear hardware, and linkage as applicable.
Quality internals: Built with an internal motor, drive gears, electronics, and connections.
Tested build: Checked for function, durability, and longevity, backed by Four Seasons' decades of mobile A/C experience.
OE-level fit: Built to OE-level fit and function for a direct-fit installation.
Signs the actuator may need replacing include a clicking or knocking sound behind the dash, air that won't change temperature, or a blend door stuck on hot or cold. If a failed actuator is the cause of your temperature trouble, this unit replaces it — diagnose the cause before installing.
This part cross-references / interchanges with the following part numbers:
ACT1964IM, 73640, BDAA1377, DA1578, 871060C040
Frequently Asked Questions
What does an hvac blend door actuator do?
It's a small electric motor that moves the blend door inside the HVAC case, controlling how much air flows through the heater core to set your cabin temperature.
Does this fit my 2001 Toyota Sequoia?
Yes, this Four Seasons actuator (73640) is a direct-fit replacement for the 2001-2007 Toyota Sequoia. Check the Buyer's Guide tab to confirm your specific vehicle.
What are the signs my blend door actuator is failing?
Common signs include a clicking or knocking noise behind the dash, air that won't change temperature, or air stuck on only hot or only cold.
What's included with this actuator?
It includes the lever arm, gear, cam gear hardware, and linkage as applicable, plus an internal motor, drive gears, electronics, and connections.
Which part numbers does this replace?
It cross-references ACT1964IM, BDAA1377, DA1578, and 871060C040.
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...
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...
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.
