Hella 003259171 Engine Oil Pressure Switch

Hella Engine Oil Pressure Switch for Porsche

The Hella 003259171 engine oil pressure switch is a direct-fit electrical switch for monitoring oil pressure in select Porsche applications. It uses a normally closed contact design with a 12V rating and a single connector for straightforward replacement service.

Built with an M14x1.5 thread and a 24 mm spanner size, this Hella oil pressure switch is specified to operate between 0.35 and 0.55 bar. The black housing matches the original part color, and the part number 003259171 is a useful reference when ordering or cross-checking applications.

• Brand: Hella
• Part number: 003259171
• Engine oil pressure switch
• Normally closed contact
• 12V rated voltage
• Single connector design
• Thread size: M14x1.5
• Switch pressure range: 0.35 to 0.55 bar
• 24 mm spanner size
• Black finish to match the original part

Fitment for Porsche Boxster and Cayman

• Fits 1997-2008 Porsche Boxster, N/A. Notes: switch pressure from [bar]: 0,35; switch pressure to [bar]: 0,55; has the same colour as the original part: Black; thread size: M14x1,5; Hella.
• Fits 2006-2008 Porsche Cayman, N/A. Notes: switch pressure from [bar]: 0,35; switch pressure to [bar]: 0,55; has the same colour as the original part: Black; thread size: M14x1,5; Hella.

Detailed Product Description

This Hella oil pressure switch is designed for Porsche Boxster and Porsche Cayman models listed above, making it a relevant replacement for drivers searching for a Porsche Boxster oil pressure switch, Porsche Cayman oil pressure switch, or Hella 003259171 replacement. The switch uses a normally closed contact and a pressure window of 0.35 to 0.55 bar, which supports oil pressure warning circuit operation in the specified applications. If you are cross-referencing OE-style service parts, this part cross-references Standard Ignition PS-441 and PowerStop S4347 for the same application.

What This Part Helps Address

• Oil pressure warning light staying on or triggering incorrectly
• Intermittent oil pressure signal at the instrument cluster
• Faulty switch contact behavior in the oil pressure circuit
• Replacement needs for a worn or leaking engine oil pressure switch
• Service work on Porsche Boxster and Porsche Cayman oil pressure monitoring systems

Installation Notes and Quality Assurance

Verify the thread size, connector count, and pressure specification before installation. The M14x1.5 thread, single connector layout, and 24 mm spanner size should be matched to the vehicle’s original switch specification. Confirm the application against the vehicle’s year and engine configuration before final installation.

Hella is the listed brand for this part, and the product details provided here are based on the supplied specifications and fitment data for accurate cataloging and replacement selection.