OE Quality
60-Day Returns

Genuine 99660641000 Engine Coolant Temperature Sensor
Reliable Engine Coolant Temperature Sensor for Porsche Vehicles
The Genuine 99660641000 Engine Coolant Temperature Sensor is designed specifically for Porsche models including the 911, Boxster, and Cayenne. This sensor plays a critical role in monitoring engine temperature to ensure optimal performance and prevent overheating.
- Compatible with Porsche 911, Boxster, and Cayenne models
- Genuine part number 99660641000 for precise fitment
- Monitors engine coolant temperature accurately
- Essential for engine management and temperature regulation
- Durable construction for reliable long-term operation
Product Details and Functionality
The Genuine 99660641000 Engine Coolant Temperature Sensor is engineered to provide accurate temperature readings to the vehicle’s engine control unit (ECU). By measuring the temperature of the engine coolant, it helps regulate fuel injection, ignition timing, and cooling fan operation. This sensor is critical for maintaining engine efficiency and preventing damage caused by overheating. Designed for Porsche 911, Boxster, and Cayenne models, it ensures proper fitment and reliable performance under various driving conditions.
Common Applications and Issues Addressed
- Prevents engine overheating by providing accurate temperature data
- Helps maintain optimal fuel efficiency and engine performance
- Resolves erratic temperature gauge readings
- Eliminates engine stalling or rough idling caused by faulty temperature data
- Supports proper operation of cooling fans and emission controls
Installation Notes and Tips
When installing the Genuine 99660641000 Engine Coolant Temperature Sensor, ensure the engine is cool to avoid burns or injury. Disconnect the battery before removal to prevent electrical shorts. Carefully remove the old sensor and inspect the mounting area for debris or corrosion. Apply a suitable thread sealant if recommended by the manufacturer. After installation, verify sensor operation by checking temperature readings and engine performance.
Quality Assurance and Warranty
This Genuine Engine Coolant Temperature Sensor meets OEM specifications for fit, form, and function on Porsche 911, Boxster, and Cayenne models. Manufactured to strict quality standards, it offers reliable performance and durability. Warranty coverage details should be confirmed with the parts provider or manufacturer to ensure protection against defects.
This part fits 29 vehicles. Search below:
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2011 | Porsche | 911 | GT3 | N/A | |||
| 2011 | Porsche | 911 | GT3 RS | N/A | |||
| 2010 | Porsche | 911 | GT3 | N/A | |||
| 2008 | Porsche | 911 | GT3 | N/A | |||
| 2008 | Porsche | 911 | Targa 4 | N/A | |||
| 2008 | Porsche | 911 | Targa 4S | N/A | |||
| 2008 | Porsche | 911 | GT3 RS | N/A | |||
| 2008 | Porsche | 911 | Carrera | N/A | |||
| 2008 | Porsche | 911 | Carrera 4 | N/A | |||
| 2008 | Porsche | 911 | Carrera 4S | N/A | |||
| 2008 | Porsche | 911 | Carrera S | N/A | |||
| 2007 | Porsche | 911 | GT3 | N/A | |||
| 2007 | Porsche | 911 | Targa 4 | N/A | |||
| 2007 | Porsche | 911 | Targa 4S | N/A | |||
| 2007 | Porsche | 911 | GT3 RS | N/A | |||
| 2007 | Porsche | 911 | Carrera | N/A | |||
| 2007 | Porsche | 911 | Carrera 4 | N/A | |||
| 2007 | Porsche | 911 | Carrera 4S | N/A | |||
| 2007 | Porsche | 911 | Carrera S | N/A | |||
| 2006 | Porsche | 911 | N/A | ||||
| 2006 | Porsche | Cayenne | 4.5L | V8 | N/A | ||
| 2005 | Porsche | Cayenne | 4.5L | V8 | N/A | ||
| 2004 | Porsche | Boxster | N/A | ||||
| 2004 | Porsche | Cayenne | 4.5L | V8 | N/A | ||
| 2003 | Porsche | Boxster | N/A | ||||
| 2003 | Porsche | Cayenne | N/A | ||||
| 2002 | Porsche | Boxster | N/A | ||||
| 2001 | Porsche | Boxster | N/A | ||||
| 2000 | Porsche | Boxster | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.