871380K090 Toyota RESISTOR, BLOWER, Price: 18.22$, Weight: 0.1kg


Make Number Name Availability Weight, kg Ship in, Days Price

Toyota

871380K090

RESISTOR, BLOWER

20

0.1

 Dispatch 24h

18.22$

 

Originals

Make Number Name Availability Weight, kg Processing, days Price  
Toyota
871380K090 
RESISTOR, BLOWER
20
0.115
2-3
15.18$
 

Blower Motor Resistor for Toyota HVAC Fan Speeds

This small but vital module controls the cabin fan steps, giving you steady airflow for heating, cooling, and defogging. Built with OE‑style components and a heat‑sinking base, it delivers reliable speed control and smooth comfort in daily driving .

Why you need it ❄️️

It regulates current to the blower motor so you get low, medium, and high speeds. Correct airflow keeps the windshield clear, stabilizes cabin temperature, and reduces electrical load. Without it, the fan may blast only on high or not respond on lower settings.

How it works

A ceramic resistor network and thermal fuse sit on an aluminum plate inside the HVAC air stream. Your speed selector routes power through different resistors: more resistance equals slower blower. The passing air cools the element to prevent overheating.

When it fails ⚠️

Common signs: only highest speed works, weak or dead low speeds, intermittent fan, hot or burnt smell, melted connector, poor defrost. Risks include fogged glass and possible harness damage from heat.

Fitment, install, and care

Typically located behind the glove box near the fan. Disconnect battery, remove two screws, swap unit, and inspect the plug; replace pigtail if pins are burnt. Keep the cabin filter clean and fix a dragging blower motor—excess draw overheats the resistor.