Hella 003259471 Engine Oil Pressure Switch

Hella Oil Pressure Switch 003259471

The Hella 003259471 oil pressure switch is a 12V engine switch with a normally open contact, built for accurate oil pressure signaling in supported Audi and Volkswagen applications. It uses a single blade terminal, black housing, and M10x1 thread for a direct OE-style replacement.

Key Features

• Part number: 003259471
• Engine oil pressure switch for 12V systems
• Normally open contact design
• Switch pressure range: 1.2 to 1.6 bar
• Single connector with blade terminal
• M10x1 thread size with 24 mm spanner size
• Rated current: 0.250 A
• Tightening torque: 20 Nm
• Black finish matches the original part color

Product Details

Hella 003259471 is an OE-style oil pressure switch used to monitor engine oil pressure and trigger the warning circuit when pressure drops below the specified range. The switch operates between 1.2 bar and 1.6 bar, making it a direct-fit choice for vehicles that require this pressure specification. Hella’s 6ZL product line focuses on electrical and engine control components built to match original equipment requirements, and this switch follows that approach with the correct thread, connector style, and voltage rating.

Compatible With Audi A4, Audi A4 Quattro, Audi A6, Audi A6 Quattro, Audi Cabriolet, Audi S6, Volkswagen EuroVan, Volkswagen Golf, Volkswagen Jetta, Volkswagen Passat, Volkswagen Corrado, Volkswagen Vanagon, and Volkswagen Quantum applications listed in the fitment data. This part cross-references Facet 7.0046 for the same application.

Common Issues This Part May Address

• Oil pressure warning light staying on or coming on intermittently
• Incorrect oil pressure signal to the dash warning circuit
• Failed or aging pressure switch on the engine block
• Electrical connection issues at the single blade terminal
• Replacement need for a 1.2-1.6 bar oil pressure switch

Installation Notes and Tips

• Verify the engine uses an M10x1 threaded oil pressure switch before ordering.
• Confirm the pressure range matches the original specification: 1.2 to 1.6 bar.
• Use the listed tightening torque of 20 Nm during installation.
• Inspect the connector and wiring for corrosion or looseness before fitting the new switch.
• Check VIN-specific notes for select Audi and Volkswagen models, including chassis breakpoints.

Quality Assurance

Hella is an established OE supplier brand, and the 003259471 oil pressure switch is built to meet the electrical and fitment requirements shown in the catalog data. The part number 003259471 is specified for supported Audi and Volkswagen engine applications, including 1997-1999 Audi A4 and 1995-1999 Volkswagen Jetta fitments.