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Oil Pressure Senders / Switches

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DISPLAYING 1 to 7 (of 7 products)
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99965900940
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Cap for oil pressure switch.

porsche

Fits:
Porsche 356 Pre A (1948 - 1955)
Porsche 356 A (1955 - 1959)
Porsche 356 B (1959 - 1963)
Porsche 356 C (1963 - 1965)
Porsche 911 F (1965 - 1969)
Porsche 914/6 (1970 - 1972)

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Diagram ref no 72

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99965900940
91160623000
91161357100
91161357101
99965900940

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99906401002/1
Product Information
Product Information
Oil pressure relief plug.

oematch

Fits:
Porsche 356B / 356C
Porsche 912
Porsche 911 65-77
Porsche 914

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Diagram ref no 54

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99906401002
9400038
99906401002

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90161357100
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Oil pressure switch with spade connector.
yellow galvanised.

porsche

Fits:
Porsche 356 1950-1965
Porsche 911 1965-1968
Porsche 912 1965-1969

Click ' Zoom in' for large parts diagram.
Diagram ref no 55

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Related, superseded, cross reference or alternative numbers for comparison.

90161357100
90161357100

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Special Order item
90161357101
Product Information
Product Information
Oil pressure switch with spade connector.

porsche

Fits:
Porsche 356 1950-1965
Porsche 911 1965-1968
Porsche 912 1965-1969

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Related, superseded, cross reference or alternative numbers for comparison.

90161357101
90161357101
61311351799
6ZL 003 259-391
6ZL003259391

The product you are viewing cross references to these numbers
90161357101/1
Product Information
Product Information
Oil pressure switch with spade connector.

oematch

Fits:
Porsche 356 1950-65
Porsche 911 1965-1968
Porsche 912 1965-69

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Related, superseded, cross reference or alternative numbers for comparison.

90161357101
90161357101
356279-03
61311351799
6ZL 003 259-391
6ZL003259391

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90161357101/2
Product Information
Product Information
Oil pressure switch with spade connector.

hella
Hella ref no: 6ZL 003 259-391

Fits:
Porsche 356 1950-65
Porsche 911 1965-1968
Porsche 912 1965-69

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

90161357101
90161357101
61311351799
6ZL003259391

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99906401002S
Product Information
Product Information
Oil pressure kit.
This kit comes with the correct Spring pressure and with the correct size piston. CNC machined and zinc plated

klassiek

Fits:
Porsche 356A / 356B / 356C
Porsche 912

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Diagram ref no 14, 15, 16 and 17.

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99906401002S
99906401002

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DISPLAYING 1 to 7 (of 7 products)
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About Oil Pressure Senders / Switches

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.

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