Dial in cabin comfort with the Four Seasons HVAC Blend Door Actuator 73678, a direct-fit Honda Pilot blend door actuator that drives the blend door inside the HVAC case to control how much air passes over the heater core, setting your temperature output. It installs as a right-side replacement for the 2016-2021 Honda Pilot, 2019-2023 Honda Passport, 2017-2023 Honda Ridgeline and 2014-2020 Acura MDX — see the Buyer's Guide tab for engine-level fitment.
If a failed actuator is the cause of temperature that won't change, clicking or knocking behind the dash, or air stuck on hot or cold, this replaces it.
Complete assembly: includes the lever arm, gear, cam gear hardware and linkage as applicable.
Built to serve: quality internal motor, drive gears, electronics and connections.
Tested: checked for function, durability and longevity.
Backed by Four Seasons: over 50 years of mobile A/C experience behind every unit.
Designed to match the original's fit and function for the listed applications.
It's a small electric motor that moves the blend door in the HVAC case, controlling how much air flows over the heater core to set your cabin temperature.
Will this fit my Honda Pilot?
Yes — it's a direct-fit, right-side replacement for the 2016-2021 Honda Pilot. It also fits the 2019-2023 Passport, 2017-2023 Ridgeline and 2014-2020 Acura MDX. Check the Buyer's Guide tab for engine-level details.
What are signs this actuator may need replacing?
Temperature that won't change, air stuck on hot or cold, or a repeated clicking or knocking behind the dash. Diagnose the cause before replacing, as other parts can produce similar symptoms.
What position is this actuator for?
It is cataloged as the right-side actuator for the listed applications.
What's included with the 73678?
It comes as an assembly with the lever arm, gear, cam gear hardware and linkage as applicable, plus the internal motor, drive gears and electrical connections.
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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.
