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Alternators: Giving Your Car the Volts it Needs

Your vehicle’s charging and starting system is a complex web of sensors, regulators, storage systems, and generators. Some of the key components in this system that keep it operating at peak performance include the starter, voltage regulators, alternator, and battery.

The alternator plays a big role in the vehicle’s charging system. Your battery requires approximately a 12-volt charge to start the vehicle and aid in running the various accessories. Without a constant slow charge, the battery would likely die within minutes. The alternator prevents this by delivering 13.5 to 14.5 volts to the electrical system while the engine runs. This allows the various electrical components to operate while the battery uses the excess voltage to recharge.

Because the alternator plays a crucial role in your starting and charging system, immediately replacing a weak or failed alternator is essential. But not all alternators are equal. You’ll want to ensure it lasts a long time by purchasing a high-quality replacement part.

Get Genuine Replacement Alternators at AutoNation Parts

If your vehicle struggles to start, you may need a new alternator. Fortunately, AutoNation Parts can help with a huge selection of high-quality alternators for various makes and models. You can order ours online right from home and have it shipped to your front door.

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12317801124 - : Alternator for BMW Image

Alternator

X5. 3.0l. With diesel. Without 4 zone ctrl.
$903.46
MSRP $1,216.95
Save $313.49
25.8% Off
12317560988 - : Alternator for BMW Image

Alternator

3.0L gas non turbo, 220 amp.
$1,062.90
MSRP $1,431.71
Save $368.81
25.8% Off
12317501754 - : Alternator Pulley for BMW Image

Alternator Pulley

Diameter-55mm. Bosch Alternator. X5. 3.0l. 120 amp. Z4. Air cooled, 528i, 530i, 525i. 2.5l & 3.0l, bosch. Alternator Pulley.
$108.13
MSRP $122.79
Save $14.66
11.9% Off
12317560678 - : Alternator Pulley for BMW Image

Alternator Pulley

X5. 3.0l. Without diesel. 180 amp. With 4-zone/adaptive drive. 7 Rib. Alternator Pulley.
$119.87
MSRP $149.29
Save $29.42
19.7% Off
12311288238 - : Alternator Pulley for BMW Image

Alternator Pulley

Diameter-66mm. 90 Amp Alternator. Convert old style, 325i. Alternator Pulley.
$96.54
MSRP $109.63
Save $13.09
11.9% Off
12317848109 - : Alternator Bracket for BMW Image

Alternator Bracket

M3. A bracket for a alternator adjusting.
$22.94
MSRP $25.17
Save $2.23
8.9% Off
12318636420 - : Alternator Pulley for BMW Image

Alternator Pulley

5 series. Without gt models. X7. 4.4l. 750i, 750ix. M50i. 4.4L. without M8. X5. 4.4l. Xdrive50i. Alternator Pulley.
$116.54
MSRP $145.15
Save $28.61
19.7% Off
7129905830 - : Alternator Bolt for BMW Image

Alternator Bolt

Alternator,mount bolt. 4.4L.
$8.56
MSRP $9.69
Save $1.13
11.7% Off
12310392568 - : Alternator Screw for BMW Image

Alternator Screw

Without turbo. 3.0L non turbo. This item is non-returnable.
$17.28
MSRP $24.30
Save $7.02
28.9% Off
12318629984 - : Alternator Pulley for BMW Image

Alternator Pulley

Alternator Pulley.
$90.65
MSRP $112.90
Save $22.25
19.7% Off
12311407707 - : Alternator Pulley for BMW Image

Alternator Pulley

Air cooled, M5. Alternator Pulley.
$101.09
MSRP $114.79
Save $13.70
11.9% Off
12311432988 - : Alternator Pulley for BMW Image

Alternator Pulley

Alternator Pulley.
$108.13
MSRP $122.79
Save $14.66
11.9% Off
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