Oil Pressure Senders / Switches


Fits:
Porsche 986 Boxster 1997-04
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2006-08
Click 'Zoom in' for large parts diagram.
Diagram ref no 49
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98660620303
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08

Fits:
Porsche 986 Boxster 1997-04
Porsche 987 Boxster 2005-08
Porsche 987C Cayman 2006-08
Click 'Zoom in' for large parts diagram.
Diagram ref no 49
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
98660620303
The product you are viewing cross references to these numbers
- Porsche Boxster 986 2.5L 1997-99
- Porsche Boxster 986 2.7L 1999-02
- Porsche Boxster S 986 3.2L 1999-02
- Porsche Boxster 986 2.7L 2003-04
- Porsche Boxster S 986 3.2L 2003-04
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
Engine Oil Pressure Switches & Senders – Precision Monitoring for Porsche Engines
The engine oil pressure switch or sender unit is a vital component of your Porsche’s lubrication system. Its primary role is to monitor oil pressure and send signals to your dashboard, ensuring the engine always maintains sufficient lubrication. A properly functioning oil pressure sender safeguards against engine wear, overheating, and performance loss.
At Design911, we supply a full range of oil pressure switches and sender units for classic and modern Porsche models. Built from high-quality, heat-resistant materials, these components are designed for durability, accuracy, and consistent performance under demanding driving conditions.
Whether you’re restoring a classic 911, maintaining a Cayenne, or servicing a Cayman, our oil pressure senders and switches provide dependable pressure monitoring and peace of mind every time you drive.
What Do Oil Pressure Switches & Senders Do?
Oil pressure switches and senders work together to ensure your engine has the correct oil pressure for proper lubrication.
Core Functions:
- Monitor
oil pressure in the engine’s lubrication system.
- Transmit
readings or alerts to the vehicle’s dashboard gauge or warning light.
- Protect
engine components by warning of low oil pressure.
- Ensure stable oil circulation during all driving conditions.
Accurate oil pressure monitoring prevents engine damage and maintains optimal performance, making these parts essential to Porsche reliability.
Why Do Oil Pressure Switches & Senders Fail?
Over time, exposure to heat, vibration, and oil contamination can cause pressure switches and sensors to deteriorate or malfunction.
Common Causes of Failure Include:
- Oil
contamination clogging internal diaphragms or ports.
- Electrical
corrosion or connector failure.
- Seal
degradation, leading to oil leaks.
- Wear
and tear from repeated heat cycles.
- Faulty readings due to sensor fatigue or wiring damage.
Symptoms of a failing sender include flickering oil pressure lights, inaccurate gauge readings, oil leaks, or false low-pressure warnings, all of which can compromise performance or lead to unnecessary engine risk.
Why Replace Components?
A reliable oil pressure reading is crucial for the health of your Porsche engine. Replacing worn switches or senders with precision-engineered, high-quality components ensures dependable performance, accurate readings, and long-term protection.
Key Benefits:
- Restores accurate oil pressure readings.
- Prevents false dashboard warnings.
- Protects against engine wear and overheating.
- Constructed from heat- and corrosion-resistant materials.
- Direct-fit
design for easy installation and compatibility.
- Ideal for performance maintenance, rebuilds, or upgrades.
By replacing a faulty sender or switch, you’ll preserve accurate oil pressure data and maintain the performance and longevity of your Porsche engine.
Highlights:
Precision-engineered
Porsche oil pressure senders and switches.
Reliable
oil monitoring for consistent engine protection.
Heat-
and corrosion-resistant materials for long life.
Direct-fit
compatibility for Porsche 911, Cayman, Boxster & Panamera.
Prevents
false warnings and ensures accurate oil pressure readings.
Perfect
for preventive maintenance or complete engine rebuilds.