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Alternator

The alternator keeps the battery in a constant state of charge anytime the engine is running. If your lights are dimming or you hear excessive bearing noise around the alternator, chances are that it's time for a replacement.
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Valeo Voltage Regulator - Valeo - E53, E60, E63, E64, E70
Valeo Voltage Regulator - Valeo - E53, E60, E63, E64, E70
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Valeo - Corporate Logo
T#:1196078
Part#: 12318510090
Ships in 1 Business Day
$ 91.37 USD
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$ 91.37 USD
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OEM replacement for you BMW alternator fixing charging issues
Voltage Regulator
Voltage Regulator
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Valeo - Corporate Logo
T#:594108
Part#: 12317603775
In Stock
$ 71.22

This product was last offered at the strikethrough price on
05-04-2026

$ 70.45 USD
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$ 70.45 USD
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Have you noticed inconsistent electrical power in your interior lately? Your voltage regulator is responsible for maintaining a constant voltage out from the alternator.
Hitachi Voltage Regulator - BMW E31 E32 E34 E36
Hitachi Voltage Regulator - BMW E31 E32 E34 E36
Hitachi - Corporate Logo
T#:48850064
Part#: 12311747920
Ships in 6 Business Days
New Item
$ 37.99 USD
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$ 37.99 USD
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This voltage regulator is a crucial component that controls the alternator's output, preventing overcharging by adjusting the current to maintain a safe range of vehicle voltage, thereby protecting the battery and electrical system. Symptoms of failure include dim lights, battery warnings, or a dead battery, often requiring replacement, which can be internal or external to the alternator.
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Alternator
Alternator
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Valeo - Corporate Logo
T#:594101
Part#: 12318570672
In Stock at Vendor
$ 1,094.99

This product was last offered at the strikethrough price on
05-07-2026

$ 1,062.99 USD
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$ 1,062.99 USD
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Replacement Alternator from Valeo
Voltage Regulator
Voltage Regulator
Beru - Corporate Logo
T#:596879
Part#: 12321350052
In Stock at Vendor
$ 41.99

This product was last offered at the strikethrough price on
05-07-2026

$ 40.99 USD
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$ 40.99 USD
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If you are having issues with voltage peaking, lights fading in and out as your driving, or your battery keeps dying despite the car running, It could be the result of a faulty voltage regulator. Voltage regulators control the amount of power coming from the alternator.
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Hitachi Voltage Regulator - BMW E88 N52
Hitachi Voltage Regulator - BMW E88 N52
Hitachi - Corporate Logo
T#:48815477
Part#: 12317550469
Ships in 6 Business Days
New Item
$ 79.99 USD
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$ 79.99 USD
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Supplies power to your car's electronics and recharges the battery.
Remanufactured Alternator - 170A
Remanufactured Alternator - 170A
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Valeo - Corporate Logo
T#:594098
Part#: 12317802929
Ships on Aug 6, 2026
$ 323.99 USD
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$ 323.99 USD
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Replacement Alternator from Valeo
MINI N14 N18 Alternator - 120 Amp 439617
MINI N14 N18 Alternator - 120 Amp 439617
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Valeo - Corporate Logo
T#:28803228
Part#: 12317619254
In Stock
$ 374.99 USD
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$ 374.99 USD
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MINI N14 N18 Alternator is an essential component for powering the electrical system of your Mini. Engineered to provide reliable performance, this alternator ensures your Mini stays running smoothly. Upgrade your Mini with this genuine alternator for dependable power generation.

  • Powers the electrical system
  • Reliable performance
  • Ensures smooth operation
  • Genuine Mini part
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Alternator
Alternator
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Valeo - Corporate Logo
T#:594102
Part#: 12311247288
Back Ordered
$ 547.99

This product was last offered at the strikethrough price on
05-08-2026

$ 532.99 USD
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$ 532.99 USD
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Replacement Alternator from Valeo

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