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Mercedes-Benz · Oil & Lubrication

Oil pressure relief valve

The valve that limits maximum oil pressure by dumping excess back to the sump.

How you know it is this

  • High oil pressure when cold, with seals pushing out
  • Low pressure that a new pump does not cure
  • A valve found stuck open or closed on strip-down

Worth knowing before you buy

  • A stuck-open valve gives low pressure with a perfectly good pump — a cheap part mistaken for an expensive one.
  • Usually inside the pump, so it comes with it on most engines.
  • Debris is what jams it, which points back at oil condition.

What we need to quote it. The engine code. The chassis number settles the generation, the body and usually the engine in seventeen characters — it is on your mulkiya. A photograph of the old part helps where there is more than one version.

Pick-up strainerOil pumpFilter and capFilter housingOil cooler and linesPressure and level sensorsDipstick and tubeSump plug and washer
Oil circuit — schematic, to show where the part sits. Arrangement is right; it is a diagram and not a fitment reference.

Rest of the oil circuit

All oil & lubrication parts
Get in touch

Oil pressure relief valve for your Mercedes-Benz?

Send the chassis number and a photograph of the old part. We come back with genuine, OEM and aftermarket options priced side by side, with lead times.

Mon–Sat, 8:00 AM – 6:00 PM · +971 54 303 3119 (Operations Director) · +971 54 241 0599 (Managing Director)