When an overheated or corroded resistor is taking fan speeds away from your heater and A/C, the Dorman blower motor resistor, part number 973-582, is built to replace it. It is a direct replacement for the original equipment on the 2005-2020 Toyota Tacoma. See the "Vehicles it fits" section for engine details.
This Dorman blower motor resistor kit pairs the resistor with a harness pigtail, so the original resistor and its connector can be replaced together.
- Direct replacement: the resistor and harness kit is made to directly replace the original equipment on the listed applications.
- Resistor plus pigtail: every kit includes a resistor and a harness pigtail, which is essential for most repairs.
- OE-like performance: made to perform like original equipment and intended to return full HVAC blower operation when the resistor is the fault.
- Engineering support: backed by a team of engineers and quality specialists in the USA.
The blower motor resistor sets the blower's lower fan speeds by limiting the electrical current the motor receives. Signs it may need replacing include a blower that runs only on its highest setting, fan speeds that no longer work, or a resistor or connector that shows heat damage or corrosion. Other faults can cause similar symptoms, so diagnose the cause before replacing parts.
Interchange: 4P1650 · RU1435 · RU746 · 8713804050 · 8713804051 · 8713804052 · 8713804070 · JA1772
This part cross-references / interchanges with the following part numbers:
4P1650, RU1435, RU746, 8713804050, 8713804051, 8713804052, 8713804070, JA1772
Frequently Asked Questions
What does the Dorman HVAC blower motor resistor kit do?
It supplies a resistor that controls the blower motor's lower fan speeds, plus a harness pigtail, to replace an overheated or corroded original equipment resistor.
Does it fit the 2005-2020 Toyota Tacoma?
Yes. Part 973-582 is listed as a direct replacement for the 2005-2020 Toyota Tacoma. Check the "Vehicles it fits" section for engine details.
What comes in the box?
Each kit includes a resistor and a harness pigtail. The pigtail is essential for most repairs.
What are signs the blower motor resistor may need replacing?
Signs include a blower that works only on high, fan speeds that no longer work, or a heat-damaged or corroded resistor or connector. Other faults can cause similar symptoms, so diagnose first.
Why is a harness pigtail included?
Dorman includes the pigtail because it is essential for most repairs of an overheated or corroded resistor. Follow the vehicle service information when installing it.
