Genuine Mazda Voltage Regulators

Alternator Regulators

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14 Voltage Regulators found

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Mazda Voltage Regulator Part Number: GY01-18-W70
$37.72 MSRP: $280.15
You Save: $242.43 (87%)
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Product Specifications
- Other Name: Regulator, Voltage
Fits the following Mazda Models:
- 6 | 2003-2005 | i | 4 Cyl 2.3 L GAS
- MPV | 2000-2001 | DX, ES, LX | 6 Cyl 2.5 L GAS
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Mazda Voltage Regulator Part Number: P301-18-W70
$213.75 MSRP: $285.06
You Save: $71.31 (26%)
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Product Specifications
- Other Name: Regulator, Voltage
Fits the following Mazda Models:
- 3 | 2014-2018 | Grand Touring, i Grand Touring, I Sport, i SV, I Touring, s Grand Touring, s Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
- 6 | 2014-2016 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
- CX-5 | 2013-2016 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda Voltage Regulator Part Number: PAF1-18-W70
$225.48 MSRP: $300.69
You Save: $75.21 (26%)
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Product Specifications
- Other Name: Regulator, Voltage; Voltage Regulator
Fits the following Mazda Models:
- 3 | 2019-2023 | 2.0, 2.5 S, 2.5 Turbo, 2.5 Turbo Premium Plus, Base, Carbon Edition, Preferred, Premium, Select | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
- CX-30 | 2020-2023 | 2.5 S, 2.5 Turbo, Base, Preferred, Premium, Select | 4 Cyl 2.5 L GAS
- CX-50 | 2023-2024 | 2.5 Turbo | 4 Cyl 2.5 L GAS
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Mazda Voltage Regulator Part Number: P58G-18-W70
$248.18 MSRP: $330.97
You Save: $82.79 (26%)
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Product Specifications
- Other Name: Regulator, Voltage; Voltage Regulator
- Replaces: PY1C-18-W70
Fits the following Mazda Models:
- 3 | 2014-2018 | Grand Touring, i Grand Touring, I Sport, i SV, I Touring, s Grand Touring, s Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
- 6 | 2014-2017 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda Voltage Regulator Part Number: N3R1-18-W70
$247.61 MSRP: $330.22
You Save: $82.61 (26%)
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Product Specifications
- Other Name: Regulator, Voltage
Fits the following Mazda Models:
- RX-8 | 2009-2011 | Grand Touring, R3, Sport, Touring | 2 Cyl 1.3 L GAS
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Mazda Voltage Regulator Part Number: SHMW-18-W70
$250.45 MSRP: $334.00
You Save: $83.55 (26%)
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Product Specifications
- Other Name: Regulator, Voltage; Voltage Regulator
- Replaces: PY8V-18-W70, PY8V-18-W70A
Fits the following Mazda Models:
- 6 | 2018-2020 | Grand Touring, Grand Touring Reserve, Signature | 4 Cyl 2.5 L GAS
- CX-5 | 2019-2024 | 2.5 Turbo, 2.5 Turbo Signature, Carbon Edition Turbo, Grand Touring Reserve, Signature | 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS
- CX-9 | 2016-2021 | Carbon Edition, Grand Touring, Signature, Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda Voltage Regulator Part Number: CY01-18-W70
$266.00 MSRP: $354.73
You Save: $88.73 (26%)
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Product Specifications
- Other Name: Regulator
Fits the following Mazda Models:
- 6 | 2009-2013 | S | 6 Cyl 3.7 L GAS
- CX-9 | 2007-2015 | Grand Touring, Sport, Touring | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
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Mazda Voltage Regulator Part Number: AJ51-18-W70
$287.59 MSRP: $383.53
You Save: $95.94 (26%)
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Product Specifications
- Other Name: Regulator, Voltage
Fits the following Mazda Models:
- 3 | 2007-2013 | i, Mazdaspeed, S | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
- 5 | 2012-2015, 2008-2010 | Grand Touring, Sport, Touring | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
- 6 | 2003-2013 | i, Mazdaspeed, S | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
- CX-7 | 2007-2012 | Grand Touring, Sport, SV, Touring | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
- MPV | 2002-2006 | ES, LX, LX-SV | 6 Cyl 3.0 L GAS
- MX-5 Miata | 2006-2015 | 25th Anniversary Edition, Base, Club, Club Spec, Grand Touring, Special Edition, Sport, SV, Touring | 4 Cyl 2.0 L GAS
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Mazda Voltage Regulator Part Number: N3H1-18-W70
$293.68 MSRP: $391.64
You Save: $97.96 (26%)
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Product Specifications
- Other Name: Regulator, Voltage
Fits the following Mazda Models:
- RX-8 | 2006-2008 | 40th Anniversary Edition, Base, Grand Touring, Sport, Touring | 2 Cyl 1.3 L GAS
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Mazda Voltage Regulator Part Number: PA5J-18-W70
$303.78 MSRP: $405.11
You Save: $101.33 (26%)
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Product Specifications
- Other Name: Regulator; Voltage Regulator
- Replaces: P53N-18-W70
Fits the following Mazda Models:
- 6 | 2017-2021 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
- CX-3 | 2016-2021 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- CX-5 | 2017-2024 | 2.5 S, 2.5 S Carbon Edition, Carbon Edition, Grand Select, Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
- MX-5 Miata | 2016-2022 | 100th Anniversary Special Edition, Club, Grand Touring, RF 100th Anniversary Special Edition, RF Club, RF Grand Touring, RF GT, Sport | 4 Cyl 2.0 L GAS
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Mazda Voltage Regulator Part Number: RF7J-18-W70
$303.10 MSRP: $404.22
You Save: $101.12 (26%)
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Product Specifications
- Other Name: Regulator, Voltage
Fits the following Mazda Models:
- 2 | 2011-2014 | Sport, Touring | 4 Cyl 1.5 L GAS
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Mazda Voltage Regulator Part Number: Z599-18-W70
$256.14 MSRP: $341.58
You Save: $85.44 (26%)
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Product Specifications
- Other Name: Regulator, Voltage
Fits the following Mazda Models:
- 3 | 2004-2009 | i, Mazdaspeed, S, SP23 | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
- 5 | 2006-2007 | Grand Touring, Sport, Touring | 4 Cyl 2.3 L GAS
- Protege | 1997-2003 | DX, ES, LX, Mazdaspeed, MP3 | 4 Cyl 1.5 L GAS, 4 Cyl 1.6 L GAS, 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
- Protege5 | 2002-2003 | Base | 4 Cyl 2.0 L GAS
- RX-8 | 2004-2006 | Base, Shinka | 2 Cyl 1.3 L GAS
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Mazda Voltage Regulator Part Number: PE07-18-W70
Product Specifications
- Other Name: Regulator, Voltage
Fits the following Mazda Models:
- 3 | 2012-2013 | i | 4 Cyl 2.0 L GAS
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Mazda Voltage Regulator Part Number: ZZM1-24-520
Product Specifications
- Other Name: Regulator
Fits the following Mazda Models:
- B2300 | 2001-2009, 1994-1997 | Base, SE, SX | 4 Cyl 2.3 L GAS
- B2500 | 1998-2001 | SE, SX, Troy Lee | 4 Cyl 2.5 L GAS
- B3000 | 1998-2007, 1994-1996 | Base, DS, SE, SX, Troy Lee | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
- B4000 | 1994-2009 | Base, DS, LE, SE, Troy Lee | 6 Cyl 4.0 L GAS
- Navajo | 1991-1994 | DX, LX | 6 Cyl 4.0 L GAS
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Mazda Voltage Regulators

Mazda Voltage Regulators protect the electrical system by ensuring that alternator output is maintained in the safe range of 13.5 to 14.5 volts, providing every driver with stable lights and healthy batteries and the confidence on any road. Mazda is known for agile handling, Skyactiv engines that sip fuel, and the Kodo design language that makes motion sculpture. Mazda also fills trips with i-Activsense features such as radar cruise that monitor traffic and its explorations into electric drive and mild hybrids, which demonstrate a commitment to clean fun. The i-Activ AWD testing on rough trails proves Mazda seeks durability as well as delight, so owners get cars that feel lively and dependable every day. Within that lineup, Voltage Regulators work silently to match charging demands to conditions such as engine load or temperature, sampling battery feedback many times each second, then amending field current for immediate correction. Early versions applied mechanical contacts and later they transitioned to electronic circuits pulsing thousands of times for sharper control, and the updated styles live inside the alternator or even in the powertrain computer, which trims down weight and wiring. Because these Voltage Regulators react so quickly, batteries last longer, headlights keep bright, and there is no annoying flicker of infotainment screens, helping to cement the reputation Mazda enjoys of combining smart technology with a rewarding drive.

You'll get great performance and real durability when you pick genuine OEM Voltage Regulators. Mazda builds these using high-quality materials and official factory methods to ensure they hold up mile after mile. You deserve that Mazda reliability without the headache of cheap knockoffs. It is easy to find exactly what you need in our huge inventory of genuine parts. Plus, every OEM part carries a real manufacturer's warranty for your peace of mind. You will love our low prices too. Order today and we will ship your brand-new parts fast. They often reach your door in just a few days.