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Genuine Toyota 89422-35010 Water Temperature Sensor

Genuine Toyota Water Temperature Sensor (89422-35010) – Keep Your Cooling System Honest

When your temperature sensor starts failing, your engine computer basically starts guessing.

That’s bad news for fuel delivery, cooling performance, and overall reliability.

The Genuine Toyota Water Temperature Sensor (89422-35010) is an OEM factory replacement designed to provide accurate coolant temperature readings for compatible Toyota applications. It helps maintain proper engine operation, cooling fan control, fuel mapping, and temperature monitoring.

Because overheating an engine over a cheap sensor is a painful way to learn a lesson.

Temp Sensor
Item Package Dimension: 2.95L x 1.53W x 0.47H inches
Item Package Weight – 0.1 Pounds

Original price was: $55.00.Current price is: $40.50.

Genuine Toyota Engine Coolant Temperature Sensor Replacement

Key Features

  • Genuine OEM Toyota component
  • Replaces OE# 89422-35010
  • Provides accurate coolant temperature readings
  • Helps maintain proper ECU operation
  • Supports cooling fan and fuel management systems
  • OEM-quality reliability and fitment

Temp Sensor

Vehicle Compatibility

Compatible with select Toyota applications, including various:

  • Toyota 4Runner
  • Toyota Tacoma
  • Toyota Tundra
  • Toyota Land Cruiser
  • Toyota Supra
  • Lexus IS300
  • Lexus GS300

(Always verify exact engine and production-year compatibility before ordering.)

Merchandise Package deal Size: 2.95L x 1.53W x 0.47H inches

Why This Sensor Matters

A failing water temperature sensor can cause:

  • Incorrect temperature readings
  • Poor fuel economy
  • Hard starting
  • Cooling fan issues
  • Check engine lights
  • Overheating risks

And yes, sometimes the gauge lies while the engine cooks itself quietly.

Merchandise Package deal Weight – 0.1 Kilos

Why OEM Toyota Matters

Cheap aftermarket sensors can:

  • Give inaccurate readings
  • Fail prematurely
  • Cause intermittent ECU issues

OEM Toyota sensors are trusted because:

  • Factory-calibrated accuracy
  • Reliable long-term operation
  • Proper ECU communication
  • Consistent thermal response

This is one of those parts where OEM simply saves headaches.

Merchandise Package deal Amount – 1
Product Kind – ELECTRONIC SENSOR

Genuine Toyota Water Temperature Sensor 89422-35010 OEM Replacement

Performance Benefits

Replacing your coolant temp sensor restores:

  • Accurate engine temperature monitoring
  • Proper cooling system operation
  • Correct fuel mapping adjustments
  • Reliable cold-start performance

Basically, your ECU stops making decisions based on bad information.


Installation Notes

  • Threaded sensor replacement
  • Coolant system access required
  • Recommended to inspect coolant condition during service

Simple repair. Major reliability improvement.


Final Take

No horsepower gains.

But accurate engine temperature data keeps your Toyota running properly—and honestly, that matters more than most mods.

Specification: Genuine Toyota 89422-35010 Water Temperature Sensor

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