OE Quality
60-Day Returns

Standard Ignition PS666 Engine Oil Pressure Switch
Reliable Engine Oil Pressure Switch for Audi Quattro Models
The Standard Ignition PS666 Engine Oil Pressure Switch is designed to provide accurate oil pressure monitoring for select Audi vehicles. Engineered with a single terminal, this switch ensures precise performance and compatibility with Audi A6 Quattro, A7 Quattro, A8 Quattro, and Q7 models.
Key Features of the Standard Ignition PS666 Oil Pressure Switch
- Single terminal design for straightforward installation and reliable connection
- Compatible with Audi A6 Quattro, A7 Quattro, A8 Quattro, and Q7 models
- Durable construction to withstand engine operating conditions
- OEM-quality fit and function for consistent engine monitoring
- Part number PS666 for easy identification and replacement
Detailed Description of the PS666 Engine Oil Pressure Switch
The PS666 Engine Oil Pressure Switch by Standard Ignition is a critical component that monitors the oil pressure within the engine system. Featuring a single terminal, this switch simplifies wiring and ensures a secure electrical connection. It is specifically designed to meet the requirements of Audi Quattro models including the A6, A7, A8, and Q7, providing reliable feedback to the vehicle’s engine control system. This switch helps maintain optimal engine performance by alerting the driver to any oil pressure irregularities.
Common Applications and Issues Addressed
- Detects low oil pressure to prevent engine damage
- Triggers dashboard warning lights for timely maintenance
- Helps avoid engine overheating caused by insufficient lubrication
- Prevents potential engine failure due to oil pressure loss
- Ensures accurate oil pressure readings for engine diagnostics
Installation Notes and Tips
- Verify vehicle compatibility with Audi A6 Quattro, A7 Quattro, A8 Quattro, and Q7 models before installation
- Disconnect the battery prior to replacing the oil pressure switch to avoid electrical shorts
- Use appropriate tools to remove the old switch and install the PS666 securely
- Check for oil leaks after installation and ensure the terminal connection is tight
- Consult the vehicle’s service manual for torque specifications and detailed procedures
Quality Assurance and Warranty Information
Standard Ignition manufactures the PS666 Engine Oil Pressure Switch to meet strict quality standards, ensuring durability and reliable performance. This part undergoes rigorous testing to comply with OEM specifications. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship to provide confidence in your replacement part.
This part fits 5 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2017 | Audi | Q7 | 3.0L | V6 | N/A | Gray; 1 Blade; Light |
| 2016 | Audi | A6 Quattro | 3.0L | V6 | N/A | Gray; 1 Blade; Light |
| 2016 | Audi | A7 Quattro | N/A | Gray; 1 Blade Term.; Light | ||
| 2016 | Audi | A8 Quattro | 3.0L | V6 | N/A | Gray; 1 Blade; Light |
| 2015 | Audi | A8 Quattro | 3.0L | V6 | N/A | Gray; 1 Blade; Light |
* 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.