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Temperature Sensor

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TEMPSENSORKIT01
Product Information
Product Information
Temperature Sensor for Cylinder Head

Fits:

Porsche 964 C2, C4, RS 1989-94

Diagram Ref No 20

Please note we will supply the 993 sensor + other smaller parts as this product has changed.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

TEMPSENSORKIT01
99360601300
99965015740
99965274320
99970416140
99965285740
99965287122
99970416140
99965281140

The product you are viewing cross references to these numbers
Special Order item
96465990100
Product Information
Product Information
Temperature Sensor Mixing Chamber Repair Kit.
porsche

Fits:
Porsche 964 1989-94
Porsche 993 1995-98

Click 'Zoom in' for large parts diagram.
Diagram ref no 22

Price is for each.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

96465990100
96465990100

The product you are viewing cross references to these numbers
DISPLAYING 1 to 2 (of 2 products)
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About Temperature Sensor

Temperature Sensors – Accurate Engine Monitoring for Porsche Performance

Temperature sensors play a critical role in your Porsche’s engine and cooling system by constantly monitoring temperatures such as coolant, oil, intake air, and exhaust gases. These sensors send real-time data to the engine control unit (ECU), helping to regulate performance, emissions, and fuel efficiency.

At Design911, we stock a comprehensive selection of genuine and high-quality temperature sensors for various Porsche models such as 911, Boxster, Cayman, Cayenne, Macan, and Panamera models. Each sensor is designed for precision, reliability, and longevity — ensuring accurate readings and smooth engine operation in all driving conditions.

What Do Temperature Sensors Do?

Temperature sensors are vital to maintaining your Porsche’s performance, safety, and efficiency. Their main functions include:

  • Monitoring coolant and engine temperature to prevent overheating.
  • Feeding data to the ECU to adjust fuel mixture and ignition timing.
  • Controlling fan activation and emission systems.
  • Ensuring optimal engine performance under all loads and climates.

Accurate sensor readings are essential for protecting your engine, maximising power, and improving fuel economy.

Why Do Temperature Sensors Fail?

Constant exposure to heat, vibration, and contaminants can cause temperature sensors to degrade or fail. Common causes include:

  • Thermal fatigue leading to inaccurate readings.
  • Corrosion or oxidation on connectors.
  • Coolant or oil contamination damaging sensor elements.
  • Wiring faults or loose electrical connections.
  • Age-related wear causing signal irregularities.

Symptoms of a failing temperature sensor include fluctuating temperature gauge readings, poor fuel economy, rough idle, overheating, or an illuminated check engine light.

Why Replace Faulty Temperature Sensors?

Replacing a faulty temperature sensor is essential for accurate engine management and protection. A malfunctioning sensor can cause incorrect fueling, overheating, and even engine damage.

Benefits of replacement include:

  • Accurate temperature readings and ECU adjustments.
  • Enhanced fuel efficiency and performance.
  • Prevention of overheating and engine damage.
  • Reliable operation with manufacturer-quality precision.

All sensors in our range are made using high-grade materials and advanced sensing elements to provide reliable data, quick response times, and long service life in even the most demanding conditions.

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