Hella Oil Pressure Sensor Switch - 6ZL 003 259-171

A normally closed switch means the electrical circuit is connected (closed) when the oil pressure is at or below a certain low threshold. As oil pressure increases above this threshold, the switch opens the circuit, typically turning off a warning light.

This Hella Oil Pressure Switch is designed to activate (open the circuit) between 0.35 bar and 0.55 bar.

You must verify your vehicle's make, model, year, and engine specifications against the compatibility list provided in the product details. Pay close attention to any notes regarding measurements and dimensions, as variations can occur.

A 24mm spanner is required to fit and remove this oil pressure switch.

While possible for individuals with automotive experience, it is recommended to have the switch installed by a qualified mechanic to ensure proper fitment, sealing, and electrical connection, preventing potential engine damage or leaks.

The part number is 6ZL 003 259-171.

Warranty information is typically provided by the seller. Please refer to the specific seller's listing or contact them directly for details on warranty coverage.

Check engine oil level. If the oil level is correct, the oil pressure switch may be faulty or the oil pressure may be genuinely low. Inspect for oil leaks. Consult a mechanic to test oil pressure and the switch function.

This often indicates fluctuating oil pressure or a failing switch. Check oil level. If the level is adequate, the switch may be faulty or there might be an issue with the oil pump or oil passages. Professional diagnosis is recommended.

Ensure the thread sealant (if used) was applied correctly and not excessively. Check that the correct spanner size was used and the switch was tightened to the appropriate torque specification without over-tightening. Re-seating or replacing the switch may be necessary.

Double-check the part number against your vehicle's requirements and the product description. Verify measurements and thread size. If incompatibility is confirmed, return the part according to the seller's policy and ensure the correct part is ordered.