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Sensors, relays, control units

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Want to sell your Sensors, relays, control units? Place an ad or Place a wanted ad

Sensors, relays, control units: used and new near you from private and commercial sellers

Car sensors measure and assess different parameters and convert them into electrical signals. The latter are transformed into a digital code which is transmitted by a control unit as commands to actuators. Relays close and open certain parts of a circuit.

Sensors can measure:

  • The temperature of engine oil, antifreeze, the air temperature inside and outside the car.
  • Lubricants, fuel, hydraulic power steering fluid, and tyre pressure.
  • Fuel, lubricant, antifreeze, and brake fluid levels.
  • The concentration of oxygen and/or nitrogen oxides in exhaust gases.
  • The position of crankshafts and camshafts, accelerator and brake pedals, and the throttle valve opening angle.
  • Wheel speed.
  • Light intensity.

Control units differ in software, while relays vary in the number of contacts.

These components can’t be repaired and have to be replaced if they break down. However, you can always buy good used car parts. They are usually in good condition if removed in order to be replaced with another one for tuning purposes, or if they were a part of an assembly that was replaced, or if taken from a car dismantled after a collision that didn’t impact their serviceability.

On the AUTODOC Classifieds website, you will find a wide range of offers from private and commercial sellers. Here, you’ll be able to find high-quality new and used components near you.

The online platform also gives you an opportunity to earn some money. Place your classifieds for free and sell the components you don’t need.