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Ford Focus Ignition Coil

37 items

Replace a weak ignition coil before misfires, rough starts, or poor acceleration turn into bigger engine trouble. Find coils for everyday repair and maintenance.

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Ignition Coil - Delphi GN10229Ignition Coil - Delphi GN10229
DelphiPart # GN10229
Ignition Coil - Delphi GN10229
4.538 Reviews
$45.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003-2007 Ford Focus, 2005-2006 Ford Focus, 2005-2006 Ford Focus, 2005-2006 Ford Focus, 2005-2006 Ford Focus, 2005-2008 Ford Escape, 2007-2011 Ford Focus, 2007-2011 Ford Focus, 2007-2011 Ford Focus, 2009-2011 Ford Focus, 2010-2010 Ford Transit Connect, 2011-2012 Ford Transit Connect, 2013-2013 Ford Transit Connect, 2004-2005 Mazda 3, 2005-2005 Mazda 6, 2005-2006 Mazda Tribute, 2008-2008 Mazda Tribute, 2005-2008 Mercury Mariner
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity1
Item LocatedUnited States
Part interchange
GN10229, 5C1443, C1453, CLS1042, CLS1044, 921-2065, 673-6010, 4M5Z 12029-BA, 
...View more
item #1001VWUR
Note
Coil comes with Boot
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Direct Ignition Coil - Denso 673-6006
DensoPart # 673-6006
Direct Ignition Coil - Denso 673-6006
4.523 Reviews
$101.99
Quantity Less than 4
Edit ZIP code
3-year warranty
90 days free return
Fits 1999-1999 Ford Contour, 2000-2000 Ford Contour, 2000-2002 Ford Focus, 2001-2004 Ford Escape, 2003-2004 Ford Focus, 2001-2004 Mazda Tribute, 1999-1999 Mercury Mystique, 2000-2000 Mercury Mystique
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity1
Item LocatedUnited States
ColorBlack
Part interchange
673-6006, C-501, IC362, U2103, GN10185, 5C1118, 920-1015, C1341, 
...View more
item #1002H84U
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Spectra Premium C-899 Ignition Coil
Spectra PremiumPart # C-899
Spectra Premium C-899 Ignition Coil
52 Reviews
$78.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2012-2014 Ford Focus, 2012-2015 Ford Explorer, 2012-2019 Ford Edge, 2013-2017 Ford Taurus, 2013-2019 Ford Escape, 2013-2020 Ford Fusion, 2013-2020 Ford Fusion, 2014-2018 Ford Special Service Police Sedan, 2015-2015 Ford Fusion, 2015-2018 Ford Focus, 2015-2021 Ford Mustang, 2016-2018 Ford Focus, 2016-2019 Ford Explorer, 2017-2017 Ford Fusion, 2017-2018 Ford Fusion, 2018-2020 Ford EcoSport, 2019-2019 Ford Fusion, 2021-2021 Ford EcoSport, 2022-2022 Ford EcoSport, 2022-2023 Ford Mustang
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity1
Item LocatedUnited States
Part interchange
C-899, U5241, DG562, DG546, UF670, 171207, MPSMF670, 3312467757248892, 
...View more
item #1000Z654
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Denso 673-6010 Ignition Coil
DensoPart # 673-6010
Denso 673-6010 Ignition Coil
4.523 Reviews
$42.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003-2007 Ford Focus, 2005-2007 Ford Focus, 2005-2007 Ford Focus, 2005-2008 Ford Escape, 2007-2007 Ford Focus, 2007-2007 Ford Focus, 2008-2011 Ford Focus, 2008-2011 Ford Focus, 2008-2011 Ford Focus, 2009-2011 Ford Focus, 2010-2013 Ford Transit Connect, 2004-2005 Mazda 3, 2005-2005 Mazda 6, 2005-2006 Mazda Tribute, 2008-2008 Mazda Tribute, 2005-2008 Mercury Mariner
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity1
Item LocatedUnited States
ColorBlack
Part interchange
673-6010, C-676, IC517, U5019, GN10229, 5C1443, 921-2065, C1453, 
...View more
item #1002HATA
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Denso 673-6203 Ignition Coil
DensoPart # 673-6203
Denso 673-6203 Ignition Coil
4.523 Reviews
$51.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2012-2014 Ford Focus, 2012-2015 Ford Explorer, 2012-2018 Ford Edge, 2013-2017 Ford Fusion, 2013-2017 Ford Fusion, 2013-2017 Ford Taurus, 2013-2019 Ford Escape, 2014-2018 Ford Special Service Police Sedan, 2015-2015 Ford Fusion, 2015-2018 Ford Focus, 2015-2022 Ford Mustang, 2016-2018 Ford Focus, 2016-2019 Ford Explorer, 2017-2017 Ford Fusion, 2017-2017 Ford Fusion, 2018-2020 Ford Fusion, 2018-2021 Ford EcoSport, 2022-2022 Ford EcoSport, 2013-2014 Lincoln MKZ, 2013-2016 Lincoln MKT
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity1
Item LocatedUnited States
ColorBlack
Part interchange
673-6203, C-899, IC773, U5241, CM5Z 12029-K, CM5Z 12029-A, 0 221 604 700, GN10621, 
...View more
item #1002HAQQ
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Spectra Premium C-676 Ignition Coil
Spectra PremiumPart # C-676
Spectra Premium C-676 Ignition Coil
52 Reviews
$55.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003-2004 Ford Focus, 2005-2008 Ford Escape, 2005-2011 Ford Focus, 2008-2008 Ford Fiesta, 2010-2013 Ford Transit Connect, 2004-2005 Mazda 3, 2005-2005 Mazda 6, 2005-2006 Mazda Tribute, 2008-2008 Mazda Tribute, 2005-2008 Mercury Mariner
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity1
Item LocatedUnited States
Part interchange
C-676, CFD505, FD505, FD505T, 50089, 9212065, 0221504702, ZZCA18100, 
...View more
item #1000Z5NY
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Beck/Arnley 178-8308 Ignition Coil
Beck/ArnleyPart # 178-8308
Beck/Arnley 178-8308 Ignition Coil
4.434 Reviews
$92.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1999-2000 Ford Contour, 2000-2002 Ford Focus, 2001-2004 Ford Escape, 2003-2004 Ford Focus, 2001-2004 Mazda Tribute, 1999-2000 Mercury Mystique
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity1
Item LocatedUnited States
Part interchange
178-8308
item #1000X46N
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Ignition Coil - Delphi GN10185
DelphiPart # GN10185
Ignition Coil - Delphi GN10185
4.538 Reviews
$69.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1999-1999 Ford Contour, 2000-2000 Ford Contour, 2000-2002 Ford Focus, 2001-2004 Ford Escape, 2001-2011 Ford Ranger, 2003-2004 Ford Focus, 2001-2004 Mazda Tribute, 2001-2009 Mazda B2300, 2003-2004 Mazda 6, 2005-2005 Mazda 6, 1999-1999 Mercury Mystique, 2000-2000 Mercury Mystique
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity1
Item LocatedUnited States
Part interchange
GN10185, 5C1118, 26335, C1341, CLS1011, CLS1082, 920-1025, 2M5, 
...View more
item #1001VSPG
Note
4 Overmolded HV Towers
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Walker Products 921-2202 Ignition Coil
Walker ProductsPart # 921-2202
Walker Products 921-2202 Ignition Coil
4.325 Reviews
$36.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Fits 2014-2017 Ford Fiesta, 2015-2018 Ford Focus, 2018-2021 Ford EcoSport
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity1
Item LocatedUnited States
Part interchange
921-2202, 36-8291, CM5Z12029C, UF-736, E1236, C-949
item #1001L599
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Ignition Coil - Delphi GN10635
DelphiPart # GN10635
Ignition Coil - Delphi GN10635
4.538 Reviews
$32.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2014-2017 Ford Fiesta, 2015-2018 Ford Focus, 2018-2021 Ford EcoSport
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity1
Item LocatedUnited States
Part interchange
GN10635, E1236, 36-8291, CM5Z 12029-C, IC842, UF-736, C-949, DG-556, 
...View more
item #1001W6SV
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Walker Products 921-2147 Ignition Coil
Walker ProductsPart # 921-2147
Walker Products 921-2147 Ignition Coil
4.325 Reviews
$35.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2012-2014 Ford Focus, 2012-2015 Ford Explorer, 2012-2018 Ford Edge, 2013-2017 Ford Taurus, 2013-2019 Ford Escape, 2013-2020 Ford Fusion, 2013-2020 Ford Fusion, 2014-2018 Ford Special Service Police Sedan, 2015-2015 Ford Fusion, 2015-2018 Ford Focus, 2015-2023 Ford Mustang, 2016-2018 Ford Focus, 2016-2019 Ford Explorer, 2017-2017 Ford Fusion, 2017-2018 Ford Fusion, 2018-2021 Ford EcoSport, 2019-2019 Ford Fusion, 2022-2022 Ford EcoSport, 2013-2016 Lincoln MKT, 2013-2016 Lincoln MKZ
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity1
Item LocatedUnited States
Part interchange
921-2147, IC-404, 2036331, CM5Z12029A, CM5Z12029K, DG562, 48770, GN10621, 
...View more
item #1001L3D7
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Walker Products 921-2065 Ignition Coil
Walker ProductsPart # 921-2065
Walker Products 921-2065 Ignition Coil
4.325 Reviews
$27.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003-2004 Ford Focus, 2005-2006 Ford Focus, 2005-2008 Ford Escape, 2007-2007 Ford Focus, 2007-2011 Ford Focus, 2008-2008 Ford Fiesta, 2010-2013 Ford Transit Connect, 2004-2005 Mazda 3, 2005-2005 Mazda 6, 2005-2006 Mazda Tribute, 2008-2008 Mazda Tribute, 2005-2008 Mercury Mariner
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity1
Item LocatedUnited States
Part interchange
921-2065, 50089, 5047437, 4M5E12A366AA, 4M5G12A366BA, 4M5G12A366BB, 4M5G12A366BC, 4M5Z12029A, 
...View more
item #1001L4S2
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Walker Products 921-92065 Ignition Coil
Walker ProductsPart # 921-92065
Walker Products 921-92065 Ignition Coil
4.325 Reviews
$34.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003-2004 Ford Focus, 2005-2006 Ford Focus, 2005-2008 Ford Escape, 2007-2007 Ford Focus, 2007-2011 Ford Focus, 2008-2008 Ford Fiesta, 2010-2013 Ford Transit Connect, 2004-2005 Mazda 3, 2005-2005 Mazda 6, 2005-2006 Mazda Tribute, 2008-2008 Mazda Tribute, 2005-2008 Mercury Mariner
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity1
Item LocatedUnited States
Part interchange
921-92065
item #1001LL6P
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Walker Products 920-1015 Ignition Coil
Walker ProductsPart # 920-1015
Walker Products 920-1015 Ignition Coil
4.325 Reviews
$41.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1999-1999 Ford Contour, 1999-2000 Ford Fiesta, 2000-2000 Ford Contour, 2000-2002 Ford Focus, 2001-2004 Ford Escape, 2002-2004 Ford Fiesta Ikon, 2003-2004 Ford Focus, 2004-2007 Ford Fiesta, 2008-2008 Ford Fiesta, 2009-2010 Ford Fiesta, 1999-1999 Mercury Mystique, 2000-2000 Mercury Mystique
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity1
Item LocatedUnited States
Part interchange
920-1015, 50020, IC-466, XS8Z12029AD, 1053904, 1066102, 1067601, 1111212, 
...View more
item #1001L38V
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Walker Products 928-4079-4 Ignition Coil Set
Walker ProductsPart # 928-4079-4
Walker Products 928-4079-4 Ignition Coil Set
4.325 Reviews
$84.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003-2004 Ford Focus, 2005-2006 Ford Focus, 2005-2008 Ford Escape, 2007-2007 Ford Focus, 2007-2011 Ford Focus, 2008-2008 Ford Fiesta, 2010-2013 Ford Transit Connect, 2004-2005 Mazda 3, 2005-2005 Mazda 6, 2005-2006 Mazda Tribute, 2008-2008 Mazda Tribute, 2005-2008 Mercury Mariner
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
QuantityOne Set
Item LocatedUnited States
Part interchange
928-4079-4, 50089, 1224925, 1322402, 2322402, 4M5E12A366AA, 4M5G12A366BB, 4M5Z12029A, 
...View more
item #1001P30Z
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Spectra Premium C-501 Ignition Coil
Spectra PremiumPart # C-501
Spectra Premium C-501 Ignition Coil
52 Reviews
$54.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1998-2000 Ford Fiesta, 1999-1999 Ford Contour, 2000-2000 Ford Contour, 2000-2002 Ford Focus, 2001-2001 Ford Fiesta, 2001-2004 Ford Escape, 2001-2007 Ford Courier, 2001-2007 Ford Mondeo, 2001-2008 Ford Ka, 2002-2004 Ford Fiesta Ikon, 2003-2004 Ford Focus, 2003-2007 Ford Fiesta, 2006-2008 Ford EcoSport, 2008-2008 Ford Fiesta, 2009-2010 Ford Fiesta, 2004-2004 Mazda Tribute, 2010-2010 Mazda B2300, 1999-1999 Mercury Mystique, 2000-2000 Mercury Mystique
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity1
Item LocatedUnited States
Part interchange
C-501, CFD497, FD497T, FD497, 50020, 230187, ZZC01810X, C20118100A, 
...View more
item #1000Z6SG
Show less
Delphi Ignition Coil 2012-2018 Ford Focus 2.0L L4 at A-Premium
DelphiPart # GN10621
Delphi Ignition Coil 2012-2018 Ford Focus 2.0L L4 at A-Premium
4.538 Reviews
$76.99
Edit ZIP code
3-year warranty
90 days free return
Fits Ford Focus: 2012 2013 2014 2015 2016 2017 2018
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity1
Item LocatedUnited States
Part interchange
GN10621, 5C1873, C1816, E1170, E1178, 36-8232, 673-6203, CM5Z 12029-A, 
...View more
item #1001W6CN
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4 pc Ignition Coil for 2003-2011 Ford Focus | Aisin ESCAZ-00279
AisinPart # ESCAZ-00279
4 pc Ignition Coil for 2003-2011 Ford Focus | Aisin ESCAZ-00279
4.6544 Reviews
$47.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Fits Ford Focus: 2003 2004 2005 2006 2007 2008 2009 2010 2011
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity4
Item LocatedUnited States
Part interchange
4M5G12A366BC, 4M5Z12029A, 4M5Z12029B, 4M5Z12029BA, 4M5Z12029BB, 4M5Z12029BC, LF1618100, LF1618100A, 
...View more
ConditionNew
item #1018A46V
Show less
4 pc Ignition Coil for 2012-2018 Ford Focus | Aisin ESCAZ-00281
AisinPart # ESCAZ-00281
4 pc Ignition Coil for 2012-2018 Ford Focus | Aisin ESCAZ-00281
4.6544 Reviews
$116.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Fits Ford Focus: 2012 2013 2014 2015 2016 2017 2018
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Quantity4
Item LocatedUnited States
Part interchange
CM5Z12029A, CM5Z12029K, JDE30294, JDE39937, LR030637, LR033979, LR084889
ConditionNew
item #1018A4AG
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4 pc Ignition Coil for 2003-2011 Ford Focus | 2-Blade Terminal | A-Premium IC0110
A-Premium®Part # IC0110
4 pc Ignition Coil for 2003-2011 Ford Focus | 2-Blade Terminal | A-Premium IC0110
4.6544 Reviews
$31.99
Edit ZIP code
3-year warranty
90 days free return
Fits Ford Focus: 2003 2004 2005 2006 2007 2008 2009 2010 2011
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Ford Focus
Item LocatedUnited States
Installation PositionFront Side
ColorBlack
item #1012QKLT
Note
【Note-1】for 2005 Mazda 6, fits Automatic Transmission Only.
【Note-2】for 2005 Mazda 6, without Distributor, California.
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Page 1 of 2

Premium Automotive Ignition Coils | Restore Engine Power & Fuel Efficiency

Are you experiencing rough idling, engine misfires, or a sudden drop in fuel economy? It might be time for an ignition coil replacement. As a heart of your vehicle's ignition system, a reliable automotive ignition coil transforms your battery's low voltage into the thousands of volts required to create an electric spark in the spark plugs, keeping your engine running smoothly.

At A-Premium, we provide OE-matching car ignition coil solutions designed to eliminate misfires, restore lost horsepower, and ensure reliable cold starts in any weather condition.

Anatomy of an A-Premium engine ignition coil

Anatomy of an A-Premium Engine Ignition Coil

To understand what makes a high-performance engine ignition coil, let’s look inside its core engineering:

  1. Integrated Driving Circuit: Features a compact, smart-integrated electronic chip at the top of the coil to ensure precise ignition timing and robust thermal resistance.
  2. Superior Quality Components & Materials: Wrapped with high-grade copper wire and premium epoxy resin insulation to prevent voltage leaks and withstand extreme under-hood heat.
  3. Rigorously Tested & Inspected: 100% factory stress-tested against thermal shock and vibration to guarantee long-lasting durability.
  4. Diagonal Windings Technology: Eliminates heavy, sectioned bobbins through advanced space-saving diagonal winding, significantly reducing the overall size and weight while maximizing energy output.

Our Advantages: Built for Real-World Driving Scenarios

Our automotive ignition coil lineup is engineered to solve everyday driving pains:

  • The Daily Commute (Stop-and-Go Traffic): Misfires often happen when idling at red lights. Our coils deliver stable, continuous voltage output, eliminating rough idles and ensuring seamless acceleration.
  • Extreme Weather Performance: Cheap coils crack under freezing winter temperatures or intense summer engine heat. Our high-dielectric epoxy coatings prevent micro-cracks, ensuring your engine fires up instantly on the first crank.
  • Fuel & Emission Savings: A weak spark leads to unburnt fuel. Upgrading your worn car ignition coil ensures complete combustion, optimizing your MPG and helping you pass emissions tests effortlessly.

Smart Buyer’s Guide: How to Choose the Best Ignition Coil

Navigating the market for an engine ignition coil can be confusing. Here is what smart buyers look for to get the perfect match:

1. Matching by Vehicle Make & Fitment (The #1 Priority)

Ignition systems are highly sensitive. A generic coil will cause error codes. Most users search and filter by their vehicle’s specific Year, Make, and Model, such as Ford EcoBoost, Honda VTEC, or Toyota VVT-i systems. Always use our fitment selector at the top of the page to find the exact OEM specification for your car.

2. When to Buy an Ignition Coil & Spark Plug Kit? (The Smart Money Move)

Should you buy them together? 90% of mechanics recommend it.

  • The Reason: A worn, old spark plug has a wider gap, which forces the engine ignition coil to work twice as hard to bridge that gap. This extra workload overheats the coil and burns it out prematurely.
  • The Strategy: If your vehicle has crossed 80,000 miles and you are doing an ignition coil replacement, always buy a complete coil and spark plug kit. It saves you from tearing down the engine twice and protects your new investment.

Replacement Checklist: When to Replace vs. When to Keep

Not every engine hiccup requires a new coil. Use this quick checklist to decide your next move:

Time to Replace if:

  • You have a confirmed OBD-II trouble code between P0300 to P0308, indicating a specific cylinder misfire.
  • The plastic housing of the coil shows visible hairline cracks, melting, or burning.
  • Your vehicle has passed 100,000 miles, as ignition coils are wear items and generally degrade after this milestone.

Do NOT Replace Yet if:

  • Your car won't crank at all. This is usually a dead battery or starter motor issue, not the ignition coil.
  • You have a misfire code but haven't checked for oil leaks. Often, a leaking valve cover gasket floods the spark plug well with oil, causing a short circuit. Simply cleaning the oil and replacing the gasket might fix the issue without needing a new coil.

Frequently Asked Questions (FAQ)

Can I replace just one faulty ignition coil, or should I replace them all at once?

If your vehicle has low mileage, replacing just the single failed car ignition coil is perfectly fine. However, if your car has over 80,000 miles, all the coils have experienced the same amount of heat and stress. When one fails, the others are usually close behind. Replacing the whole set at once ensures consistent engine balance and saves on future labor costs.

What are the most common symptoms of a failing engine ignition coil?

The most prominent signs include a flashing Check Engine Light, sudden engine shaking, especially at idle or under load, poor fuel economy, backfiring, and a noticeable hesitation or jerking when you step on the gas pedal.

How long does a typical automotive ignition coil last?

High-quality OEM-grade ignition coils are built to last between 80,000 to 100,000 miles. However, exposure to excessive engine vibration, oil leaks from a failing valve cover gasket, or neglected, worn-out spark plugs can drastically shorten their lifespan.

Will changing my ignition coils improve my gas mileage?

Yes. If your current coils are weak or failing, they create incomplete combustion in the cylinders, meaning your engine is literally throwing away unburnt fuel through the exhaust. Performing an ignition coil replacement restores 100% combustion efficiency, bringing your fuel economy back to factory-fresh levels.

Is it safe to drive with a misfiring ignition coil?

No, you should avoid it. Driving with a failed ignition coil means unburnt raw fuel is entering your exhaust system. This fuel will quickly ignite inside your catalytic converter, overheating it and melting its internal structure. A catalytic converter replacement is significantly more expensive than a simple ignition coil swap.