Genuine Mazda 3 Voltage Regulator

Adjustable Voltage Regulator

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6 Voltage Regulators found

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Mazda 3 Voltage Regulator Part Number: P301-18-W70
$214.39 MSRP: $285.91
You Save: $71.52 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Regulator, Voltage
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2014-2018 Mazda 3 | Grand Touring, I Sport, I Touring, Sport, Touring, i Grand Touring, i SV, s Grand Touring, s Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Voltage Regulator Part Number: PAF1-18-W70
$226.15 MSRP: $301.60
You Save: $75.45 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Regulator, Voltage
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2019-2024 Mazda 3 | 2.0, 2.5 Carbon Turbo, 2.5 S, 2.5 Turbo, 2.5 Turbo Premium Plus, Base, Carbon Edition, Preferred, Premium, Select, Select Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Voltage Regulator Part Number: P58G-18-W70
$248.93 MSRP: $331.96
You Save: $83.03 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Regulator, Voltage
- Replaces: PY1C-18-W70
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2014-2018 Mazda 3 | Grand Touring, I Sport, I Touring, Sport, Touring, i Grand Touring, i SV, s Grand Touring, s Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Voltage Regulator Part Number: Z599-18-W70
$256.90 MSRP: $342.61
You Save: $85.71 (26%)
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Product Specifications
- Other Name: Regulator, Voltage
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2004-2009 Mazda 3 | Mazdaspeed, S, SP23, i | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
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Mazda 3 Voltage Regulator Part Number: AJ51-18-W70
$288.45 MSRP: $384.68
You Save: $96.23 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Regulator, Voltage
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2007-2013 Mazda 3 | Mazdaspeed, S, i | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Voltage Regulator Part Number: PE07-18-W70
Product Specifications
- Other Name: Regulator, Voltage
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2012-2013 Mazda 3 | i | 4 Cyl 2.0 L GAS

Mazda 3 Voltage Regulator

The Mazda 3 Voltage Regulator controls the alternator output to ensure stable power to your vehicle and prolong battery life. Its design for solid state sensing of battery demand hundreds of times per second, with field current adjusted so that lights stay bright, infotainment remains clear, and start ups are confident even in extreme temperatures. Designed for vibration resilience and high engine bay heat, the device has developed a reputation for rock solid reliability and performance; a quality appreciated by those owners who may drive daily or go on lengthy highway trips. The first through fourth generation Mazda 3's are compatible with the charger since the underlying charging architecture remained consistent. Whether the regulator is mounted externally or internally in the alternator or commanded by a central control module, they sense and adjust in the same way. The Voltage Regulator is preventing overcharging that might force plates out of shape and voltage dips that causes heads lights to dim it also protects delicate electronics like safety systems and advanced driver assistance systems to improve battery life. Another advantage of the device is its short switching time of approximately seven thousand times a second, producing a far smoother voltage curve that decreases unpleasant electrical noise that might disturb on-board computers or sound systems. This higher frequency response enhances the Voltage Regulator to be a premium part in compact cars, providing efficiency benefits without inconveniencing the driver. In summary, it adds to the vibrant character of the Mazda 3 but also underpins the overall reliable nature of the entire Mazda range, helping to establish confidence time after time.

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