How to service the ignition coil-on-plug on Ford Focus?

In order to service ignition coil-on-plug, begin by un-connecting the electric connector and then unscrewing the bolt. To install, invert the steps, with attention paid to the fact that silicone dielectric compound is to be applied to the inside of the ignition coil boot.

OEM Ford Focus Ignition Coil

Ignition Coil Resistor

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4 Ignition Coils found

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Ford Focus Ignition Coil Part Number: CM5Z-12029-K
$58.57 MSRP: $96.36
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Product Specifications
- Other Name: Coil Assembly - Ignition; Direct Ignition Coil; Direct Ignition Coil Oe Quality; Coil
- Replaces: CM5Z-12029-A, DG-546
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2012-2018 Ford Focus | RS, S, SE, SEL, ST, Titanium | 4 Cyl 2.0 L FLEX, 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
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Ford Focus Ignition Coil Part Number: 4M5Z-12029-B
$57.68 MSRP: $94.91
You Save: $37.23 (40%)
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Product Specifications
- Other Name: Coil Assembly - Ignition; Direct Ignition Coil; Direct Ignition Coil Oe Quality; Coil On Plug Coil; Ignition Coil Set; Coil
- Replaces: 4M5Z-12029-BC, DG-507, 4M5Z-12029-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2011 Ford Focus | LX, S, SE, SEL, SES, ST, ZTS, ZTW, ZX3, ZX4, ZX4 ST, ZX5, ZXW | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
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Ford Focus Ignition Coil Part Number: 988Z-12029-A
$68.95 MSRP: $113.45
You Save: $44.50 (40%)
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Product Specifications
- Other Name: Coil Assembly - Ignition; Direct Ignition Coil Oe Quality; Distributor Less Coil; Direct Ignition Coil; Coil
- Replaces: XS8Z-12029-AD, XS8Z-12029-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2000-2004 Ford Focus | LX, SE, Sony Limited Edition, SVT, ZTS, ZTW, ZX3, ZX5 | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
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Ford Focus Ignition Coil Part Number: CM5Z-12029-C
$66.30 MSRP: $105.27
You Save: $38.97 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Coil Assembly - Ignition; Direct Ignition Coil; Coil
- Replaces: CM5Z-12029-B, DG-553
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2015-2018 Ford Focus | SE | 3 Cyl 1.0 L GAS

Ford Focus Ignition Coil

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Ford Focus Ignition Coil Parts and Q&A

Ignition Coil
4M5Z-12029-B
Q: How to service the ignition coil-on-plug on Ford Focus?
A: In order to service ignition coil-on-plug, begin by un-connecting the electric connector and then unscrewing the bolt. To install, invert the steps, with attention paid to the fact that silicone dielectric compound is to be applied to the inside of the ignition coil boot.