How to service and repair the ignition coil on 2003 Ford Focus?

The first step to work on an ignition coil consists of disconnecting its electrical connector followed by removing the bolt that holds it in place. You should apply silicone dielectric compound inside the ignition coil boot during installation by reversing the removal steps.

OEM 2003 Ford Focus Ignition Coil

Ignition Coil Resistor

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2 Ignition Coils found

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2003 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
- Base No.: 12029
- Item Weight: 0.70 Pounds
- Item Dimensions: 8.4 x 7.9 x 7.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 4
- SKU: 4M5Z-12029-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
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Fits the following 2003 Ford Focus Submodels:
- 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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2003 Ford Focus Ignition Coil Part Number: 988Z-12029-A
$68.95 MSRP: $113.45
You Save: $44.50 (40%)
Ships in 1-2 Business Days
ADD TO CART
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
- Base No.: 12029
- Item Weight: 1.80 Pounds
- Item Dimensions: 6.1 x 4.5 x 4.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 988Z-12029-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
More Info
Fits the following 2003 Ford Focus Submodels:
- LX, SE, Sony Limited Edition, SVT, ZTS, ZTW, ZX3, ZX5 | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS

2003 Ford Focus Ignition Coil

If you're seeking quality and affordability, look no further than our extensive inventory of genuine 2003 Ford Focus Ignition Coil available at FordPartsDeal.com. You can confidently purchase our OEM 2003 Ford Focus Ignition Coil as they are supported by the manufacturer's warranty and our hassle-free return policy, alongside the benefit of our fast delivery service.

2003 Ford Focus Ignition Coil Parts Q&A

Q: How to service and repair the ignition coil on 2003 Ford Focus?
A: The first step to work on an ignition coil consists of disconnecting its electrical connector followed by removing the bolt that holds it in place. You should apply silicone dielectric compound inside the ignition coil boot during installation by reversing the removal steps.