Four Seasons HVAC Mode Door Actuator 73521
Four Seasons HVAC Mode Door Actuator 73521 - view 2
Four Seasons HVAC Mode Door Actuator 73521 - view 3
Four Seasons HVAC Mode Door Actuator 73521 - view 4
Four Seasons HVAC Mode Door Actuator 73521
Four Seasons HVAC Mode Door Actuator 73521 - view 2
Four Seasons HVAC Mode Door Actuator 73521 - view 3
Four Seasons HVAC Mode Door Actuator 73521 - view 4

Mode Door Actuator for 2004-2009 Toyota Prius & More - Four Seasons 73521

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$53.99
MPN: 73521
Item Package Quantity: 1
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Four Seasons HVAC Mode Door Actuator P/N:73521
Four Seasons HVAC Mode Door Actuator P/N:73521
$53.99

Four Seasons 73521 mode door actuator for the 2004-2009 Toyota Prius and other vehicles turns the HVAC air door that sends airflow to the vents you select.

  • Engineered and tested for years of trouble-free operation
  • Backed by over 50 years of mobile A/C experience
  • Meets or exceeds OE specifications for fit and function
  • Internal motor, drive gears, electronics and connections
  • Tested for function, durability and longevity

Air coming out of the wrong vents, a selector that changes nothing, or clicking behind the dash can mean the mode door actuator is failing. A blend door actuator, a blown fuse or a faulty climate control panel can be behind those signs too, so find the cause before you buy.

This actuator fits the 2004-2009 Toyota Prius and the 2004-2009 Toyota Prius / Prius AWD-e.

In the box

Lever arm, gear, cam gear hardware and linkage as applicable.

Interchange: 604365 · BDAC1415 · DA1486 · A60521 · MT18619 · 8710647090

This part cross-references / interchanges with the following part numbers:

73521, 604365, BDAC1415, DA1486, A60521, MT18619, 8710647090

Frequently Asked Questions

Does the Four Seasons 73521 fit the 2004-2009 Toyota Prius / Prius AWD-e?

Yes, Four Seasons 73521 fits the 2004-2009 Toyota Prius / Prius AWD-e, as well as the 2004-2009 Toyota Prius.

What hardware comes with this mode door actuator?

It includes the lever arm, gear, cam gear hardware and linkage as applicable.

What is inside this actuator?

It has an internal motor, drive gears, electronics and connections, and it is tested for function, durability and longevity.

Why is my climate control sending air out of the wrong vents, and can the actuator be the reason?

It can be: a failing mode door actuator may leave air stuck on one vent setting or vents that do not match the selector. If the actuator is the cause, this one replaces it.

Does this Four Seasons 73521 HVAC mode door actuator replace part number 8710647090?

Yes, Four Seasons 73521 replaces 8710647090. The other cross-reference numbers it replaces are on the Interchange line.

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