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eBay£8.92Visit shop Lower HELLA 6ZL 003 259-091 Oil Pressure Switch for CITROËN,MITSUBISHI,PEUGEOT,S
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This Hella Oil Pressure Switch is designed for vehicle owners and mechanics seeking a reliable, OE-quality replacement part. Its key benefit is ensuring accurate oil pressure monitoring, crucial for engine health. A caveat is the absolute necessity to verify fitment and measurements against your specific vehicle's specifications before purchasing, as variations exist. This switch features a normally closed contact, operates on a 12V system, and is built to Hella's high manufacturing standards.
| Model Part Number | 6ZL 003 259-091 |
|---|---|
| Brand | Hella |
The oil pressure switch monitors the engine's oil pressure. If the pressure drops below a safe threshold, it signals the vehicle's warning system (usually a dashboard light) to alert the driver, preventing potential engine damage.
Symptoms include the oil pressure warning light staying on when it shouldn't, or not coming on at all when there might be a genuine low-pressure issue. A mechanic can perform tests to diagnose a faulty switch.
It means that when the oil pressure is at or above the switch's activation point, the electrical contact within the switch is closed, allowing current to flow. If the pressure drops below this point, the contact opens, interrupting the circuit.
This Hella Oil Pressure Switch is designed to activate within a range of 0.1 bar to 0.3 bar.
No, this is a specific part. You must verify its compatibility with your vehicle's make, model, year, and engine specifications before purchasing. Always check measurements and OE part numbers.
The thread size is 1/8 GAS, and the required spanner size for installation is 24mm.
While specific installation instructions are not provided with the part itself, professional installation by a mechanic is highly recommended. Key specifications like thread size and spanner size are available in the product details.
Verify the engine has sufficient oil and the oil level is correct. Check the electrical connection to the switch. If these are fine, the switch may be faulty or the oil pressure is genuinely low; consult a mechanic.
Check the bulb for the warning light. Inspect the wiring to the pressure switch for damage. If wiring and bulb are functional, the switch may have failed in an open position.
Ensure the switch was installed with the correct thread sealant (if required) and tightened to the appropriate torque. Check for any damage to the threads on the switch or the engine block. Do not overtighten.
Compatibility Verification: Before purchasing, it is crucial to cross-reference the part number (6ZL 003 259-091) with your vehicle's exact make, model, year, and engine specifications. Pay close attention to any 'IMPORTANT: Check measurements & dimensions' notes provided. Use OEM cross-reference numbers (like CITROËn: 1131.K4, MERCEDES-BENZ: 001 153 06 32) to further confirm compatibility.
Installation: Installation should be performed by a qualified mechanic. The switch typically threads into the engine block or oil filter housing. Ensure the engine is cool. Use the specified spanner size (24mm) to tighten the switch. Ensure the thread size (1/8 GAS) matches the port. Do not overtighten. The single pin connection should be securely attached to the corresponding wire.
Care: As an electronic component, the oil pressure switch requires no routine maintenance. Its longevity depends on proper installation and the overall health of the engine's lubrication system. If the switch fails, it often indicates a problem with the oil pressure itself or a failure of the switch component.
