Alternators

An alternator charges the battery and supplies power to your vehicle’s electrical systems while the engine is running. A properly functioning alternator helps keep your lights, climate control and onboard electronics operating reliably. When choosing a replacement alternator, make sure it matches your vehicle’s specifications.

The correct alternator depends on your vehicle’s make, model, year and engine variant. Compare the OE reference number, voltage, amperage output, mounting points and electrical connections. The pulley type and number of grooves must also match. A similar appearance alone does not guarantee compatibility.

An illuminated battery warning light, fluctuating headlights or a battery that repeatedly loses charge may indicate an alternator problem. However, these symptoms can also be caused by a worn battery or a poor electrical connection. Have the charging system checked before replacing the alternator.

Browse the alternators in this category and compare the product specifications to find the right replacement for your car.