Four Seasons HVAC Blend Door Actuator 73705
Four Seasons HVAC Blend Door Actuator 73705

Four Seasons HVAC Blend Door Actuator P/N:73705

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$40.99
MPN: 73705
Item Package Quantity: 1
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Four Seasons HVAC Blend Door Actuator P/N:73705
Four Seasons HVAC Blend Door Actuator P/N:73705
$40.99

Dial in cabin comfort with the FOUR SEASONS blend door actuator (MPN 73705), the right, lower unit that drives the HVAC blend (air-mix) door so your climate system can position it to the temperature you select. It installs as a direct-fit replacement for the 2017-2022 Hyundai Ioniq, 2019-2024 Hyundai Kona Electric, 2017-2022 Kia Niro, and 2019-2022 Kia Niro EV.

This hvac blend door actuator uses a small electric motor and internal gear train to move the blend door; if a failed actuator is the cause of your climate trouble, replacing it can restore proper temperature control.

  • Complete linkage: Includes the lever arm, gear, cam gear hardware and linkage as applicable.
  • Quality internals: Internal motor, drive gears, electronics and connections.
  • Verified: Checked for function, durability and longevity.
  • OE-level fit: Built to match the fit and function of the original.

Signs this actuator may need replacing include a clicking or knocking noise behind the dash, air that stays only hot or only cold, or a temperature that won't follow your setting — diagnose the cause before replacing.

Interchange: ACT2054IM · BDAH1100 · 97159G2010 · DA1643

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

ACT2054IM, 73705, BDAH1100, 97159G2010, DA1643

Frequently Asked Questions

What does the Four Seasons blend door actuator 73705 do?

It's a small electric motor that positions the HVAC blend (air-mix) door in the case, controlling how much hot and cold air is blended to reach your selected temperature.

Which vehicles does this actuator fit?

It fits the 2017-2022 Hyundai Ioniq, 2019-2024 Hyundai Kona Electric, 2017-2022 Kia Niro, and 2019-2022 Kia Niro EV. Check the Buyer's Guide tab to confirm your vehicle.

What position is this actuator?

It is the right, lower blend door actuator. Confirm the position matches the one you're replacing before installing.

What comes with the 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 common signs the blend door actuator has failed?

A clicking or knocking noise behind the dash, air stuck only hot or only cold, or a temperature that won't match your setting. Diagnose the cause before replacing, since other parts can cause these signs.

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