How to disconnect and replace the ignition lock cylinder and ignition switch on Mazda 3?

Disconnect the cable on the negative on the battery. Disassemble the lower side of the trim panel of the driver side, knee bolster (where fitted), the bottom cover of the upper and bottom cover of the steering column, and also the steering column to the lowest level. Be careful and do not take the ignition switch and the key lock cylinder at the same time because it may harm the steering column. Turn the locking lever down and pull the electrical connector off the ignition switch, and press the release tabs to remove the ignition switch out of the steering column. When installing, make sure that the switch needs to be turned on and on the other hand, it needs to be turned off. In the case of the key lock cylinder, insert a small screwdriver or pick on the release button of the key lock cylinder and remove the key lock cylinder with the ignition key on ACC position. Installation To install the key lock cylinder, position the key lock cylinder into the housing and push it until it clicks. Ensure that the ignition switch is in a good working condition in the OFF, ACC, BIN, and START positions, and fit it in the reverse order of removal. Lock cylinder replacement does not require the lock cylinder to be removed to strip off the illumination ring, but should be disconnected off the illumination ring, the lock tabs disengaged and the illumination ring removed, making sure it clips together during installation.

How to remove and install the ignition lock cylinder and ignition switch on Mazda B2000?

In order to install and replace the combination switch in the models between 1982-84, it is necessary to disconnect the negative battery terminal and loosen the steering wheel and steering column shroud. The next step is to loosen the various connectors at the base of the combination switch, and the switch with the retaining snap ring, then the turn signal indicator cancelling cam off the shaft. Then loosen the switch holding bolt, and detach the entire switch out of the column, installation being the opposite of de-installation. To do so with models of 1986-89, first unconnect the battery ground cable, then take off the steering column covers. This is done by disconnecting the wiring harness connector to the switch, removing the screw connecting the switch, and lifting out the switch, and the reverse of this is also the same, i.e., installation.

Genuine Mazda Ignition Switch

Starter Ignition Switch

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44 Ignition Switches found

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Mazda Ignition Switch Part Number: H3Y0-66-151
$40.88 MSRP: $54.51
You Save: $13.63 (25%)
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Product Specifications
- Other Name: Switch
- Replaces: H380-66-151A, H380-66-151
Fits the following Mazda Models:
- 626 | 1993-2002 | DX, ES, LX | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
- 929 | 1992-1995 | Base | 6 Cyl 3.0 L GAS
- MX-6 | 1993-1997 | Base, LS, M Edition | 4 Cyl 2.0 L GAS, 6 Cyl 2.5 L GAS
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Mazda Start Button Part Number: VA54-66-3S0
$44.20 MSRP: $58.94
You Save: $14.74 (26%)
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Product Specifications
- Other Name: Switch, Engine Start; Start Button
Fits the following Mazda Models:
- CX-50 | 2023 | 2.5 S | 4 Cyl 2.5 L GAS
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Mazda Ignition Switch Part Number: N053-66-151
$47.11 MSRP: $62.83
You Save: $15.72 (26%)
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Product Specifications
- Other Name: Switch, Ignition
Fits the following Mazda Models:
- Miata | 1999-2005 | 10th Anniversary, Base, LS, Mazdaspeed, SE, Shinsen | 4 Cyl 1.8 L GAS
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Mazda Ignition Switch Part Number: GP7A-66-151
$55.98 MSRP: $74.64
You Save: $18.66 (25%)
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Product Specifications
- Other Name: Switch, Ignition
- Replaces: LC70-66-151
Fits the following Mazda Models:
- 6 | 2003-2013 | i, Mazdaspeed, S | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.7 L GAS
- CX-7 | 2007-2012 | Grand Touring, Sport, SV, Touring | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
- CX-9 | 2007-2015 | Grand Touring, Sport, Touring | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
- MPV | 2000-2006 | DX, ES, LX, LX-SV | 6 Cyl 2.5 L GAS, 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
- Protege | 2001-2003 | DX, ES, LX, Mazdaspeed, MP3 | 4 Cyl 1.6 L GAS, 4 Cyl 2.0 L GAS
- Protege5 | 2002-2003 | Base | 4 Cyl 2.0 L GAS
- RX-8 | 2004-2011 | 40th Anniversary Edition, Base, Grand Touring, R3, Shinka, Sport, Touring | 2 Cyl 1.3 L GAS
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Mazda Start Button Part Number: DN4J-66-3S0
$52.85 MSRP: $70.48
You Save: $17.63 (26%)
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Product Specifications
- Other Name: Switch, Engine Start; Start Button
Fits the following Mazda Models:
- MX-30 EV | 2022-2023 | Base, Premium Plus | BATTERY EV (EV/BEV)
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Mazda Power Switch Part Number: BDGF-66-3S0A
$57.43 MSRP: $76.59
You Save: $19.16 (26%)
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Product Specifications
- Other Name: Switch, Engine Start; Power Switch, Start Button
Fits the following Mazda Models:
- 3 | 2019-2024 | 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
- CX-30 | 2020-2023 | 2.5 S, 2.5 S Carbon Edition, 2.5 Turbo, Base, Preferred, Premium, Select | 4 Cyl 2.5 L GAS
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Mazda Ignition Switch Part Number: BP4K-66-151B
$57.46 MSRP: $76.62
You Save: $19.16 (26%)
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Product Specifications
- Other Name: Switch
- Replaces: BP4K-66-151, BP4K-66-151A
Fits the following Mazda Models:
- 3 | 2004-2013 | i, Mazdaspeed, S, SP23 | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
- 5 | 2012-2015, 2006-2010 | Grand Touring, Sport, Touring | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
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Mazda Power Switch Part Number: KD45-66-3S0
$60.25 MSRP: $80.35
You Save: $20.10 (26%)
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Product Specifications
- Other Name: Switch, Engine Start; Start Button
Fits the following Mazda Models:
- CX-5 | 2013-2015 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda Power Switch Part Number: GKL1-66-3S0A
$61.50 MSRP: $82.02
You Save: $20.52 (26%)
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Product Specifications
- Other Name: Switch, Engine Start; Power Switch
Fits the following Mazda Models:
- 6 | 2014-2017 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda Power Switch Part Number: DN4K-66-3S0
$62.69 MSRP: $83.60
You Save: $20.91 (26%)
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Product Specifications
- Other Name: Switch, Engine Start; Power Switch, Start Button
Fits the following Mazda Models:
- MX-30 EV | 2022-2023 | Base, Premium Plus | BATTERY EV (EV/BEV)
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Mazda Power Switch Part Number: BDGG-66-3S0A
$63.55 MSRP: $84.75
You Save: $21.20 (26%)
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Product Specifications
- Other Name: Switch, Engine Start; Power Switch, Start Button
Fits the following Mazda Models:
- 3 | 2019-2024 | 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
- CX-30 | 2020-2023 | 2.5 S, 2.5 S Carbon Edition, 2.5 Turbo, Base, Preferred, Premium, Select | 4 Cyl 2.5 L GAS
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Mazda Start Button Part Number: VA55-66-3S0
$64.94 MSRP: $86.60
You Save: $21.66 (26%)
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Product Specifications
- Other Name: Switch, Engine Start; Start Button
Fits the following Mazda Models:
- CX-50 | 2023-2024 | 2.5 S, 2.5 Turbo | 4 Cyl 2.5 L GAS
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Mazda Power Switch Part Number: K123-66-3S0
$66.75 MSRP: $89.02
You Save: $22.27 (26%)
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Product Specifications
- Other Name: Switch, Engine Start; Power Switch, Start Button
Fits the following Mazda Models:
- CX-5 | 2017-2024 | 2.5 S, 2.5 S Carbon Edition, 2.5 Turbo, 2.5 Turbo Signature, Carbon Edition, Carbon Edition Turbo, Grand Select, Grand Touring, Grand Touring Reserve, Signature, Sport, Touring | 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS
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Mazda Ignition Switch Part Number: EC01-66-151D
$74.39 MSRP: $99.20
You Save: $24.81 (26%)
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Product Specifications
- Other Name: Switch, Ignition
- Replaces: EC01-66-151C, ECTT-66-151, EC01-66-151, EC01-66-151B
Fits the following Mazda Models:
- Tribute | 2008-2011, 2001-2006 | DX, ES, Hybrid, i, LX, S | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mazda Power Switch Part Number: BHR1-66-3S0A
$77.95 MSRP: $103.95
You Save: $26.00 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch, Engine Start; Power Switch
Fits the following Mazda Models:
- 3 | 2014-2016 | i Grand Touring, I Sport, i SV, I Touring, s Grand Touring, s Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
- CX-5 | 2016 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda Power Switch Part Number: N243-66-3S0
$78.88 MSRP: $105.19
You Save: $26.31 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch, Engine Start; Power Switch
Fits the following Mazda Models:
- 6 | 2018-2021 | Carbon Edition, Grand Touring, Grand Touring Reserve, Signature, Sport, Touring | 4 Cyl 2.5 L GAS
- CX-9 | 2016-2023 | Carbon Edition, Grand Touring, Signature, Sport, Touring, Touring Plus | 4 Cyl 2.5 L GAS
- MX-5 Miata | 2016-2023 | 100th Anniversary Special Edition, Club, Grand Touring, RF 100th Anniversary Special Edition, RF Club, RF Grand Touring, Sport | 4 Cyl 2.0 L GAS
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Mazda Power Switch Part Number: GS1D-66-3S0A
$79.29 MSRP: $105.73
You Save: $26.44 (26%)
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Product Specifications
- Other Name: Switch, Engine Start; Power Switch
Fits the following Mazda Models:
- 3 | 2010-2013 | i, Mazdaspeed, S | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
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Mazda Power Switch Part Number: GS3L-66-3S0
$87.23 MSRP: $116.33
You Save: $29.10 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch, Engine Start; Power Switch
Fits the following Mazda Models:
- 6 | 2009-2013 | i, S | 4 Cyl 2.5 L GAS, 6 Cyl 3.7 L GAS
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Mazda Power Switch Part Number: BJS7-66-3S0
$90.48 MSRP: $120.65
You Save: $30.17 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Switch, Engine Start; Power Switch
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
- 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, 2.5 Turbo, 2.5 Turbo Signature, Carbon Edition, Carbon Edition Turbo, Grand Select, Grand Touring, Grand Touring Reserve, Signature, Sport, Touring | 4 Cyl 2.2 L DIESEL, 4 Cyl 2.5 L GAS
- CX-9 | 2021 | Carbon Edition, Grand Touring, Signature, Sport, Touring | 4 Cyl 2.5 L GAS
- MX-5 Miata | 2016-2023 | 100th Anniversary Special Edition, Club, Grand Touring, RF 100th Anniversary Special Edition, RF Club, RF Grand Touring, Sport | 4 Cyl 2.0 L GAS
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Mazda Ignition Switch Part Number: GE4T-66-151
$149.19 MSRP: $198.96
You Save: $49.77 (26%)
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Product Specifications
- Other Name: Switch, Ignition
Fits the following Mazda Models:
- Protege | 1999-2000 | DX, ES, LX | 4 Cyl 1.6 L GAS, 4 Cyl 1.8 L GAS

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1-20 of 44 Results

Mazda Ignition Switch

Mazda Ignition Switch instantly links a driver's key or start button to the vehicle's electrical and fuel circuits, making engine startup quick, secure, and hassle-free. Mazda earned global respect through decades of innovation, from the early rotary engine that delivered lively performance to today's Skyactiv powertrains that squeeze more distance out of every drop of fuel. Its Kodo design language gives every car a sculpted look that appears ready to leap forward, while i-Activsense technologies watch traffic and help drivers stay alert. Mazda also explores electric drives and mild hybrids, balancing efficiency with the fun-to-drive spirit that sets the brand apart. Just as the wider lineup mixes style, safety, and agility, the Ignition Switch embodies reliability and smart engineering across every Mazda model. The Ignition Switch completes component circuits for lights, infotainment, and windows, then channels current to the starter and fuel systems only after the correct key code or fob signal confirms ownership, adding a strong layer of theft deterrence. Compact packaging inside the steering column keeps the unit protected yet easy to access, and its single connector design speeds replacement for owners if ever needed. Consistent architecture means a driver can expect the same smooth turn or press and immediate engine response in any Mazda, reinforcing confidence each time the journey begins.

You'll get great performance and real durability when you pick genuine OEM Ignition Switch. 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.

Mazda Ignition Switch Parts and Q&A

Power Switch
GS1D-66-3S0A
Q: How to disconnect and replace the ignition lock cylinder and ignition switch on Mazda 3?
A:
Disconnect the cable on the negative on the battery. Disassemble the lower side of the trim panel of the driver side, knee bolster (where fitted), the bottom cover of the upper and bottom cover of the steering column, and also the steering column to the lowest level. Be careful and do not take the ignition switch and the key lock cylinder at the same time because it may harm the steering column. Turn the locking lever down and pull the electrical connector off the ignition switch, and press the release tabs to remove the ignition switch out of the steering column. When installing, make sure that the switch needs to be turned on and on the other hand, it needs to be turned off. In the case of the key lock cylinder, insert a small screwdriver or pick on the release button of the key lock cylinder and remove the key lock cylinder with the ignition key on ACC position. Installation To install the key lock cylinder, position the key lock cylinder into the housing and push it until it clicks. Ensure that the ignition switch is in a good working condition in the OFF, ACC, BIN, and START positions, and fit it in the reverse order of removal. Lock cylinder replacement does not require the lock cylinder to be removed to strip off the illumination ring, but should be disconnected off the illumination ring, the lock tabs disengaged and the illumination ring removed, making sure it clips together during installation.
Switch
UB39-66-151
Q: How to remove and install the ignition lock cylinder and ignition switch on Mazda B2000?
A:
In order to install and replace the combination switch in the models between 1982-84, it is necessary to disconnect the negative battery terminal and loosen the steering wheel and steering column shroud. The next step is to loosen the various connectors at the base of the combination switch, and the switch with the retaining snap ring, then the turn signal indicator cancelling cam off the shaft. Then loosen the switch holding bolt, and detach the entire switch out of the column, installation being the opposite of de-installation. To do so with models of 1986-89, first unconnect the battery ground cable, then take off the steering column covers. This is done by disconnecting the wiring harness connector to the switch, removing the screw connecting the switch, and lifting out the switch, and the reverse of this is also the same, i.e., installation.