Four Seasons HVAC Blower Motor Resistor P/N:20459

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$29.99
MPN: 20459
Item Package Quantity: 1
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Four Seasons HVAC Blower Motor Resistor P/N:20459
Four Seasons HVAC Blower Motor Resistor P/N:20459
$29.99

Help your heater and A/C fan run at each selected speed with this Four Seasons switch, the HVAC Blower Motor Resistor / Switch 20459, which controls the current sent to the blower motor. It fits many vehicles, among them the 2008-2010 Dodge Charger, 2008-2010 Chrysler 300 and 2008-2010 Dodge Challenger. See the Buyer's Guide tab for the full list and engine details. This part is listed under both names, HVAC blower motor resistor and switch.

  • Engineered and tested: Four Seasons engineers and tests its products with years of trouble-free operation as the aim, backed by more than 50 years of mobile A/C experience.
  • OE-style connectors: Designed to plug into the vehicle's wiring harness connection.
  • Vehicle-specific applications: Built for the listed vehicles rather than as a universal-fit part.
  • Precision engineered: Precision-engineered as a direct-fit replacement for the listed applications.

Signs this part may need replacing include a blower that runs only on its highest setting, one or more fan speeds that no longer work, or a blower that does not run at all. A failed blower motor, climate control or wiring fault can cause similar symptoms, so diagnose the cause before replacing. If a failed resistor is the cause, the Four Seasons 20459 replaces it.

Interchange: 68037310AA · 68037310AB · 984484 · 1712845 · A07050 · MT17893 · SW11357C · JA1737

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

68037310AA, 68037310AB, 20459, 984484, 1712845, A07050, MT17893, SW11357C, JA1737

Frequently Asked Questions

Will this work as a replacement Charger switch for my blower fan?

Yes. Part 20459 is listed for the 2008-2010 Dodge Charger, 2008-2010 Chrysler 300 and 2008-2010 Dodge Challenger. The Buyer's Guide tab shows every application.

What does an HVAC blower motor resistor do?

It controls the current sent to the blower motor so the heater and A/C fan can run at the speed you select on the climate controls.

What are signs the blower motor resistor may need replacing?

Common signs include a fan that runs only on high, missing speed settings, or no blower at all. A motor, control or wiring fault can cause the same symptoms, so diagnose the cause first.

Why is it listed as both a switch and a blower motor resistor?

The catalog classifies part 20459 as a switch, while Four Seasons describes it as an HVAC blower motor resistor. Both names refer to this same part.

Does it use factory-style connectors?

Four Seasons builds it with OE-style connectors for vehicle-specific applications. Follow the vehicle service information for the removal and installation steps.