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  • Engine Coolant Temperature Sensor Switch For Toyota Highlander Lexus OEM 89422-35010
  • Engine Coolant Temperature Sensor Switch For Toyota Highlander Lexus OEM 89422-35010
  • Engine Coolant Temperature Sensor Switch For Toyota Highlander Lexus OEM 89422-35010
  • Engine Coolant Temperature Sensor Switch For Toyota Highlander Lexus OEM 89422-35010
Engine Coolant Temperature Sensor Switch For Toyota Highlander Lexus OEM 89422-35010
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Engine Coolant Temperature Sensor Switch For Toyota Highlander Lexus OEM 89422-35010

  • 10 - 49 Pieces
    $1.60
    $2
  • 50 - 199 Pieces
    $1.44
    $1.80
  • >= 200 Pieces
    $1.06
    $1.32

Engine Coolant Temperature Sensor Switch For Toyota Highlander Lexus OEM 89422-35010

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Real-Time Temperature Monitoring: Designed to precisely detect engine coolant temperature via a thermistor, ensuring accurate data transmission to the vehicle's ECU for optimal thermal management.
  • Durability & Reliability: Built with a brass body for corrosion resistance and a high-temperature-resistant plastic connector, ensuring long-term performance in harsh engine environments.

Key features

  • 1. Corrosion-Resistant Brass Construction

  • With a corrosion-resistant brass body, ensure long-lasting durability in harsh engine environments. The brass material outperforms standard plastic sensors in extreme temperatures and moisture-prone areas*.

  • 2. Threaded Mounting Design for Secure Installation

  • With a threaded brass mounting system, achieve tight, vibration-resistant installation in cramped engine compartments. This design simplifies retrofitting compared to non-threaded alternatives*.

  • 3. Precision Temperature Monitoring at 24V

  • With a 24V-rated sensor, deliver accurate real-time temperature readings for high-performance engines. The thermistor-based design ensures faster response than analog sensors in dynamic conditions*.

  • 4. OEM-Certified Fitment for Toyota/Lexus Vehicles

  • Designed as an OEM replacement (part #89422-35010), guarantee precise compatibility with Toyota Highlander, Lexus RX400h, and other listed models. Reduces fitment errors common with aftermarket parts*.

  • 5. Automotive-Grade Durability for Commercial & Daily Use

  • Built for automotive applications, withstand continuous operation in commercial fleets or heavy-duty scenarios. The heat-resistant plastic connector maintains integrity under prolonged engine bay stress*.

  • Notes:

    • All claims are based on product specifications and material properties.

Product details

Engine Coolant Temperature Sensor Switch For Toyota Highlander Lexus OEM 89422-35010

The Engine Coolant Temperature Sensor Switch is a precision-engineered component designed for Toyota Highlander and Lexus models (OEM 89422-35010). Crafted from corrosion-resistant brass and featuring a high-temperature plastic connector, it ensures reliable temperature monitoring in automotive cooling systems. Compatible with a wide range of Toyota and Lexus engines (3.0L, 2.4L, 1.5L, etc.), this sensor guarantees accurate thermal feedback under 24V systems.

Technical specifications

FeatureSpecificationBenefit
MaterialBrass body, high-temperature nylonCorrosion resistance and thermal stability
Voltage Compatibility24.0VPrecision operation in automotive systems
DesignThreaded mounting with male connectorSecure installation and electrical connection
Temperature Range-40°C to 150°CReliable performance in extreme conditions
CompatibilityToyota/Lexus models (see model list)OEM-fit integration for listed vehicles
DurabilityVibration-resistant brass constructionLongevity in high-stress engine environments

Customization guide

Adjustable mounting threads and connector types can be customized to fit non-listed Toyota/Lexus models or aftermarket systems. Specify engine block dimensions and electrical pin configurations for tailored solutions.

Get inspired

Ensure your vehicle’s cooling system runs optimally with this sensor. Whether you’re maintaining a Toyota Highlander’s 3.0L engine or a Lexus RX400h’s hybrid system, this sensor delivers precise temperature data to prevent overheating and extend engine life.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Temperature Range-30°C to 120°C+20% (-40°C to 130°C)+30% (-40°C to 150°C)*
Response Time5 seconds20% faster (4 seconds)30% faster (3.5 seconds)*
Connector TypeStandard nylonFlame-retardant nylonIP67-rated nylon
CertificationsISO 9001ISO 9001 + AEC-Q100ISO 9001 + IATF 16949

*Compared to industry benchmarks.

Supplier's note

  1. Technical Breakthroughs:

    • Brass Construction: With brass, you can achieve 30% higher corrosion resistance than plastic sensors in engine bay environments.
    • 24V Compatibility: Ensures seamless integration with modern hybrid systems (e.g., Lexus RX400h) without voltage mismatch risks.
    • Broad Engine Support: Covers over 50 Toyota/Lexus models, reducing inventory complexity for automotive workshops.
  2. Version Selection Guide:

    • Base Model: Ideal for standard maintenance in non-hybrid vehicles (e.g., Toyota Highlander 3.0L).
    • Advanced Model: Choose for hybrid systems (e.g., Lexus ES350) needing faster response times and AEC-Q100 compliance.
    • Pro Model: Required for extreme-duty vehicles (e.g., Lexus GX460) with rugged environments, offering IP67 protection and 50% wider temperature tolerance than competitors.

Example Use Case: The Pro Model’s expanded temperature range (-40°C to 150°C) enables safe operation in Arctic climates or high-performance towing scenarios, paired with its IP67 connector to withstand road debris and moisture.

Frequently asked questions

  • Which Toyota/Lexus models is this Engine Coolant Temperature Sensor Switch compatible with?

  • How do I clean and maintain the brass body of this Toyota Highlander coolant sensor?

  • Why is brass preferred over stainless steel for Lexus coolant sensors?

  • Can this sensor be customized for 3.0L V6 engines in Toyota/Lexus vehicles?

  • Is the 24V Toyota Highlander coolant sensor compatible with all 24V automotive systems?

  • Does this OEM sensor require professional installation for Toyota vehicles?

  • How does this sensor handle extreme engine temperatures?

  • Will replacing this sensor resolve P0117 or P0128 error codes in Lexus RX400h?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material DurabilityHarsh engine environments (e.g., underhood)Brass body (ASTM B280 compliant) vs. Industry Standard’s aluminum alloyOur Base: 30% higher corrosion resistance (ASTM B117: 200hr salt spray)Higher cost vs. aluminum; heavier weight
Voltage CompatibilityHigh-voltage hybrid systems24V operation (IEC 60038) vs. Industry Standard’s 12VOur Advanced: Dual-voltage (12V/24V) for hybrid/EV applicationsRequires specialized wiring for advanced models
Temperature RangeExtreme climate vehicles-40°C to 180°C (ISO 16750-4) vs. Industry Standard’s -30°C to 150°COur Advanced: Extended to -50°C to 200°C for Arctic/High-Performance useNarrower operating range in base model for standard vehicles
Response TimeReal-time engine monitoring systems2.5s response (IEC 60730) vs. Industry Standard’s 5sOur Advanced: 1.8s for faster fault detection in ECU systemsHigher power consumption in advanced models
Corrosion ResistanceMarine or industrial vehiclesEnhanced brass plating (ASTM G85 C5 cyclic salt fog) vs. Uncoated industry partsOur Advanced: 500hr salt spray resistance (ASTM B117) vs. 200hr baseCoating adds manufacturing complexity and cost
Mounting DesignCustom-fit applicationsThreaded ISO 7/1 standard vs. Proprietary threads in Industry StandardOur Base: Universal ISO 7/1 thread for cross-brand compatibilityLimited to standard mounting points in base model

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