Bosch 00165281 Dishwasher Temperature Sensor with Hi-Limit Thermistor

Dishwasher Temperature Sensor with Hi-Limit Thermistor – Bosch

The Bosch 00165281 dishwasher temperature sensor is an NTC (negative temperature coefficient) thermistor that monitors wash water temperature and communicates that reading to the control board. It also includes a hi-limit function that protects the heating element and tub from overheating. When the sensor drifts out of range or fails, the dishwasher may not heat to the correct temperature, may overheat, or may display a temperature-related error code. This direct-replacement sensor restores accurate temperature monitoring on compatible Bosch dishwasher models.

Compatible Part Numbers

• 00165281
• 165281
• AP2802365
• AH3439111
• PS3439111
• PS8697055
• 935369

Key Features

• Genuine OEM Bosch replacement – NTC thermistor engineered to Bosch factory specifications for correct resistance curve and hi-limit trip point
• Monitors wash water temperature accurately – provides real-time temperature data so the control board can regulate heating element output
• Hi-limit protection – opens circuit at the hi-limit threshold to prevent overheating of the element and tub
• Direct plug-in replacement – connects to the existing sensor harness at the sump or heater assembly

Fixes These Symptoms

• Dishwasher not heating wash water to the correct temperature
• Dishwasher overheating during the wash or dry cycle
• Temperature or hi-limit error code displayed on the control panel
• Sensor reading out of expected resistance range on a multimeter

Compatible Brands

• Bosch, Thermador, Gaggenau, Siemens

Always verify your model number before ordering. Check the label inside the dishwasher door to confirm compatibility. Disconnect power before replacing the sensor.