- Number of pins
- 3 -pin connector
£39.99
In stock
Shop 799 engine oil level sensor from 24 trusted brands including NTY, ESEN SKV, HERTH+BUSS ELPARTS. Compare prices, check vehicle compatibility, and get free delivery on orders over £50.
Also known as: Engine oil level sensor, Oil Level Sensor, Oil Level Switch
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OEM & aftermarket engine oil level sensor from top brands — compare prices, check fitment, order with free delivery
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Commonly searched OE numbers fitting Engine Oil Level Sensor from the TecDoc catalogue.
The engine oil level sensor — also called the oil level sensor or oil level switch — monitors the quantity of oil in the sump and warns the driver via the instrument cluster if the level falls below a safe threshold. On many modern engines it also measures oil quality (degradation) and oil temperature. A failed oil level sensor or oil level switch can either generate a constant false warning that causes driver alarm or, more dangerously, fail to warn of genuine oil loss. CarParts247 stocks OEM and aftermarket engine oil level sensors from Hella, Febi Bilstein, and Continental for a wide range of European vehicles.
Older vehicles use a simple float-and-reed switch mounted in the sump or oil pan, producing a binary signal when oil drops below a minimum mark. Modern vehicles increasingly use capacitive or resistive sensors that measure oil level continuously and may also report oil quality and temperature to the ECU.
If the oil warning light comes on with a verified correct oil level, check the sensor connector for corrosion and water ingress before replacing the sensor. A multimeter test of sensor resistance compared to the specification chart for oil temperature will confirm whether the sensor is within tolerance.
Never ignore an oil level warning light without verifying the actual level with the dipstick — a genuinely low level has serious consequences.
No — oil level and oil pressure are separate measurements from separate sensors. The oil pressure sensor monitors hydraulic pressure at the pump outlet; the oil level sensor monitors the volume of oil in the sump. Confusing the two leads to misdiagnosis.
Not safely for daily use — if the sensor fails open and you bypass it, any genuine oil loss will go undetected. Replace the sensor.
Typically at the bottom of the sump or engine block, accessible from underneath the car. Some BMW and Audi engines mount it through the oil-pan side face. Refer to a workshop manual for the exact location on your engine.
Drain the oil below the sensor level to avoid spillage, or position a large tray beneath the sump. Unscrew the sensor, fit the new unit with a new O-ring, and refill oil to the correct level before starting.
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Common original equipment numbers linked to replacement-part pages.
