078903016H Valeo Alternator; 120 Amp; New
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Valeo Alternator; 120 Amp; New | 078903016H

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P/N: 078903016H Valeo OEM
Description:
120 Amp; New
For models equipped with Valeo alternator from factory. 1 per car.
Cross References:
  • 078903016HX
  • 439391
  • 442035
  • W01331599217
  • W01331735990

The alternator on your vehicle is an electrical generator used to charge your vehicle’s battery and power your vehicle’s electrical components. As the alternator spins, an electromagnetic coil rotor spins creating an electromagnetic field and allowing the stator to generate an alternating electrical current. The alternating current is converted by a rectifier regulator into a direct current that can be used by your vehicle.

A faulty alternator will either not produce any electricity or will not produce enough electricity to power your vehicle or charge the battery.

Signs of a Faulty Alternator

  • A dead battery after driving
  • Surging lights or other electrical systems surging from a lack of electricity
  • A whining from the alternator when the engine is running
  • Illumination of the battery warning light in conjunction with the brake warning light to indicate the alternator is not producing electricity

Replacing a Failed Alternator
Replacement of your alternator should only occur if the alternator has failed or is damaged in any way. The location of the alternator will vary from vehicle to vehicle, but it is almost always mounted near the front of the engine and driven by a serpentine belt attached to the engine crankshaft. Because of the varying locations, replacement of the alternator can take anywhere from 30 minutes on vehicles with the alternator mounted openly to several hours for alternators mounted deep inside the engine bay.

View more Valeo Alternators.

Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

Alternate Brands

We found 1 similar part(s) made by other manufacturers.

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