Details

• Brand:

  

• SKU:

  84857321

• Positions: Front
• Other Names:

  Rain Sensor, In-Car Sensor, Humidity Sensor, Temp Sensor, F Sensor

• Description:

  # Windshield Outside Moisture, Ambient Light, and Humidity Sensor - GM 84857321 The genuine GM OEM windshield outside moisture, ambient light, and humidity sensor (MPN: 84857321) is an original equipment manufacturer part designed to monitor environmental conditions and optimize vehicle climate control and lighting systems on select GM vehicles. This authentic General Motors sensor delivers reliable performance for automatic headlight activation, rain-sensing wiper functionality, and interior climate management. Get OEM-quality parts at discount prices on londoffdiscountparts.com. - **Part Type:** Windshield-mounted environmental sensor (moisture, ambient light, and humidity detection) - **OEM Fitment:** Genuine GM original equipment part engineered for select General Motors vehicles with integrated sensor systems - **Key Function:** Monitors exterior moisture, light intensity, and humidity levels to trigger automatic wipers, headlights, and climate control adjustments - **Compatibility:** Direct OEM replacement for GM vehicles equipped with advanced environmental sensing technology - **Condition:** Genuine factory OEM part—authentic General Motors component with original specifications and warranty coverage

• Notes: IncludesSentinel & Humidity Sensor.
• Replaces:

  22761862, 84138305, 84374058, 84642262

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