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Mazda 3 Ignition Coil

58 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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1 pc Ignition Coil | 3-Blade Terminal | A-Premium IC00051 pc Ignition Coil | 3-Blade Terminal | A-Premium IC0005
A-Premium®Part # IC0005
1 pc Ignition Coil | 3-Blade Terminal | A-Premium IC0005
4.6567 Reviews
$23.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2010 - 2012 Mazda CX-7, 2010 - 2013 Mazda 3, 2007 - 2012 Mazda CX-7, 2010 - 2013 Mazda 3, 2006 - 2015 Mazda MX-5 Miata, 2006 - 2007 Mazda 6, 2006 - 2013 Mazda 3, 2009 - 2013 Mazda 6, 2006 - 2008 Mazda 6, 2012 - 2013 Mazda 3, 2006 - 2009 Mazda 3, 2006 - 2008 Mazda 6, 2006 - 2009 Mazda 3
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Installation PositionFront Side
ColorBlack
item #1002R2T0
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4 pc Ignition Coil | 2-Blade Terminal | A-Premium IC0110
A-Premium®Part # IC0110
4 pc Ignition Coil | 2-Blade Terminal | A-Premium IC0110
4.6567 Reviews
$31.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2009 - 2012 Ford EcoSport, 2005 - 2008 Ford Escape, 2005 - 2011 Ford Focus, 2003 - 2007 Ford Focus, 2007 - 2011 Ford Focus, 2010 - 2010 Ford Transit, 2010 - 2013 Ford Transit Connect, 2004 - 2005 Mazda 3, 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: Mazda 3
Item LocatedUnited States
Installation PositionFront Side
ColorBlack
item #1002QEWL
Note
【Note-1】for 2005 Mazda 6, fits Automatic Transmission Only.
【Note-2】for 2005 Mazda 6, without Distributor, California.
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4 pc Ignition Coil | 3-Blade Terminal | A-Premium IC0006
A-Premium®Part # IC0006
4 pc Ignition Coil | 3-Blade Terminal | A-Premium IC0006
4.6567 Reviews
$60.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2012 - 2013 Mazda 3, 2006 - 2009 Mazda 3, 2010 - 2013 Mazda 3, 2006 - 2013 Mazda 3, 2006 - 2009 Mazda 3, 2010 - 2013 Mazda 3, 2006 - 2008 Mazda 6, 2009 - 2013 Mazda 6, 2007 - 2012 Mazda CX-7, 2010 - 2012 Mazda CX-7, 2006 - 2015 Mazda MX-5 Miata
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity4
Item LocatedUnited States
Installation PositionFront Side
ColorBlack
item #100019SV
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1 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC0267
A-Premium®Part # APIC0267
1 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC0267
4.6567 Reviews
$23.99
Low stock: Only 5 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2020 - 2021 Mazda 3, 2020 - 2024 Mazda CX-30, 2018 - 2018 Mazda CX-5, 2012 - 2013 Mazda 3, 2014 - 2019 Mazda 3, 2022 - 2022 Mazda 3, 2023 - 2024 Mazda 3, 2017 - 2017 Mazda 5, 2014 - 2017 Mazda 6, 2018 - 2020 Mazda 6, 2014 - 2014 Mazda 3 Sport, 2014 - 2014 Mazda 3 Sport, 2016 - 2018 Mazda 3 Sport, 2016 - 2018 Mazda 3 Sport, 2016 - 2021 Mazda CX-3, 2013 - 2013 Mazda CX-5, 2014 - 2017 Mazda CX-5, 2019 - 2021 Mazda CX-5, 2022 - 2022 Mazda CX-5, 2023 - 2024 Mazda CX-5
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Installation PositionFront Side
ColorBlack
item #1002QXYS
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1 pc Ignition Coil | 2-Stud Terminal | A-Premium APIC0741
A-Premium®Part # APIC0741
1 pc Ignition Coil | 2-Stud Terminal | A-Premium APIC0741
4.6567 Reviews
$33.99
Low stock: Only 2 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1970 - 1974 Audi 100 Series, 1980 - 1980 Audi 4000, 1973 - 1979 Audi Fox, 1970 - 1972 Audi Super 90, 1968 - 1971 BMW 2500, 1968 - 1971 BMW 2800, 1968 - 1971 BMW 2800CS, 1972 - 1974 BMW 3.0CS, 1972 - 1974 BMW 3.0CSi, 1972 - 1974 BMW 3.0S, 1977 - 1979 BMW 320i, 1975 - 1978 BMW 530i, 1977 - 1978 BMW 630CSi, 1977 - 1977 Fiat 124, 1968 - 1976 Fiat 124, 1979 - 1979 Fiat 128, 1975 - 1978 Fiat 128, 1975 - 1978 Fiat 131, 1970 - 1973 Fiat 850, 1979 - 1982 Fiat Strada
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
ColorBlack
ConditionNew
item #1004UYC2
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4 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC0268
A-Premium®Part # APIC0268
4 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC0268
4.6567 Reviews
$55.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2020 - 2021 Mazda 3, 2020 - 2024 Mazda CX-30, 2018 - 2018 Mazda CX-5, 2012 - 2013 Mazda 3, 2014 - 2019 Mazda 3, 2022 - 2022 Mazda 3, 2023 - 2024 Mazda 3, 2017 - 2017 Mazda 5, 2014 - 2017 Mazda 6, 2018 - 2020 Mazda 6, 2014 - 2014 Mazda 3 Sport, 2014 - 2014 Mazda 3 Sport, 2016 - 2018 Mazda 3 Sport, 2016 - 2018 Mazda 3 Sport, 2016 - 2021 Mazda CX-3, 2013 - 2013 Mazda CX-5, 2014 - 2017 Mazda CX-5, 2019 - 2021 Mazda CX-5, 2022 - 2022 Mazda CX-5, 2023 - 2024 Mazda CX-5
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity4
Item LocatedUnited States
Installation PositionFront Side
ColorBlack
item #1002QYTW
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4 pc Ignition Coil | 3-Blade Terminal | A-Premium APIC1079
A-Premium®Part # APIC1079
4 pc Ignition Coil | 3-Blade Terminal | A-Premium APIC1079
4.6567 Reviews
$67.99
Low stock: Only 4 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2006 - 2009 Mazda 3, 2010 - 2011 Mazda 3, 2006 - 2011 Mazda 3, 2012 - 2013 Mazda 3, 2013 - 2013 Mazda 3, 2009 - 2010 Mazda 3 Sport, 2012 - 2013 Mazda 3 Sport, 2012 - 2013 Mazda 3 Sport, 2006 - 2008 Mazda 6, 2009 - 2013 Mazda 6, 2007 - 2012 Mazda CX-7, 2007 - 2012 Mazda CX-7, 2006 - 2015 Mazda MX-5 Miata
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity4
Item LocatedUnited States
ColorYellow
item #1002LYAH
Note
2012-2013 Mazda 3 Without Skyactiv Technology.
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4 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC1486
A-Premium®Part # APIC1486
4 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC1486
4.6567 Reviews
$78.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2014 - 2017 Mazda CX-5, 2013 - 2017 Mazda CX-5, 2018 - 2018 Mazda CX-5, 2020 - 2021 Mazda 3, 2023 - 2024 Mazda CX-5, 2014 - 2017 Mazda 6, 2020 - 2021 Mazda 3, 2014 - 2014 Mazda 3 Sport, 2022 - 2022 Mazda 3, 2012 - 2013 Mazda 3, 2022 - 2024 Mazda 3, 2022 - 2022 Mazda CX-5, 2016 - 2024 Mazda MX-5 Miata, 2019 - 2021 Mazda CX-5, 2014 - 2019 Mazda 3, 2014 - 2019 Mazda 3, 2016 - 2018 Mazda 3 Sport, 2023 - 2024 Mazda CX-50, 2017 - 2017 Mazda 5, 2014 - 2014 Mazda 3 Sport
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Item LocatedUnited States
ColorYellow
ConditionNew
item #1015HH5G
Note
Package Included: 4x Yellow Ignition Coils.
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1 pc Ignition Coil | 3-Blade Terminal | A-Premium APIC0124
A-Premium®Part # APIC0124
1 pc Ignition Coil | 3-Blade Terminal | A-Premium APIC0124
4.6567 Reviews
$29.99
Low stock: Only 3 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2010 - 2013 Mazda 3, 2008 - 2010 Mazda 5, 2012 - 2015 Mazda 5
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Installation PositionFront Side
ColorBlack
item #1002QYZU
Show less
4 pc Ignition Coil | 2-Blade Terminal | A-Premium APIC0107
A-Premium®Part # APIC0107
4 pc Ignition Coil | 2-Blade Terminal | A-Premium APIC0107
4.6567 Reviews
$36.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2005 - 2008 Ford Escape, 2003 - 2004 Ford Focus, 2005 - 2011 Ford Focus, 2010 - 2013 Ford Transit Connect, 2004 - 2005 Mazda 3, 2005 - 2005 Mazda 6, 2008 - 2008 Mazda Tribute, 2005 - 2006 Mazda Tribute
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity4
Item LocatedUnited States
Installation PositionFront Side
ColorBlack
item #1002QCNA
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4 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC1454
A-Premium®Part # APIC1454
4 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC1454
4.6567 Reviews
$66.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2014 - 2017 Mazda 6, 2018 - 2018 Mazda CX-5, 2023 - 2024 Mazda CX-5, 2020 - 2021 Mazda 3, 2022 - 2022 Mazda 3, 2012 - 2013 Mazda 3, 2023 - 2024 Mazda CX-50, 2014 - 2017 Mazda CX-5, 2023 - 2024 Mazda 3, 2014 - 2019 Mazda 3, 2016 - 2024 Mazda MX-5 Miata, 2020 - 2020 Toyota Yaris, 2016 - 2023 Mazda CX-9, 2019 - 2021 Mazda CX-5, 2016 - 2018 Mazda 3 Sport, 2014 - 2014 Mazda 3 Sport, 2017 - 2017 Mazda 5, 2016 - 2021 Mazda CX-3, 2018 - 2020 Mazda 6, 2022 - 2022 Mazda CX-5
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Item LocatedUnited States
ColorRed
ConditionNew
item #1015HE04
Note
【Note-1】Fit Mazda 3 2012-2013, CX-30 2020-2024, CX-50 2023-2024 With Skyactiv Technology.
【Note-2】Fit Mazda 3 2020-2021, CX-30 2020-2024,  CX-5 2018 Without Cylinder Deactivation.
【Note-3】For Mazda 6 2018-2020, CX-5 2019-2021, 2023-2024 fits the model with Turbocharged, not with Naturally Aspirated.
【Note-4】Please check the compatibility Carefully before placing an order.
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1 pc Ignition Coil | 2-Blade Terminal | A-Premium APIC0106
A-Premium®Part # APIC0106
1 pc Ignition Coil | 2-Blade Terminal | A-Premium APIC0106
4.6567 Reviews
$15.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2005 - 2008 Ford Escape, 2003 - 2004 Ford Focus, 2005 - 2011 Ford Focus, 2010 - 2013 Ford Transit Connect, 2004 - 2005 Mazda 3, 2005 - 2005 Mazda 6, 2008 - 2008 Mazda Tribute, 2005 - 2006 Mazda Tribute, 2005 - 2008 Mercury Mariner
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Installation PositionFront Side
ColorBlack
item #1002QH17
Show less
4 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC0999
A-Premium®Part # APIC0999
4 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC0999
4.6567 Reviews
$58.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2020 - 2021 Mazda 3, 2020 - 2024 Mazda CX-30, 2018 - 2018 Mazda CX-5, 2012 - 2013 Mazda 3, 2014 - 2019 Mazda 3, 2022 - 2022 Mazda 3, 2023 - 2024 Mazda 3, 2017 - 2017 Mazda 5, 2014 - 2017 Mazda 6, 2018 - 2020 Mazda 6, 2014 - 2014 Mazda 3 Sport, 2014 - 2014 Mazda 3 Sport, 2016 - 2018 Mazda 3 Sport, 2016 - 2018 Mazda 3 Sport, 2016 - 2021 Mazda CX-3, 2013 - 2013 Mazda CX-5, 2014 - 2017 Mazda CX-5, 2019 - 2021 Mazda CX-5, 2022 - 2022 Mazda CX-5, 2023 - 2024 Mazda CX-5
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity4
Item LocatedUnited States
ColorBlue
Part interchange
PE0118100, PE0118100A, PE2018100, PE2018100A, P51B18100, H6T61171, UF656, UF805
item #10026UUN
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4 pc Ignition Coil | Aisin ESCZ-00512
AisinPart # ESCZ-00512
4 pc Ignition Coil | Aisin ESCZ-00512
4.6567 Reviews
$99.99
Low stock: Only 2 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2012 - 2015 Mazda 5, 2008 - 2010 Mazda 5, 2010 - 2013 Mazda 3
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity4
Item LocatedUnited States
Part interchange
LF2L18100, LF2L18100A
ConditionNew
item #10189U80
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4 pc Ignition Coil | Aisin ESCAZ-00279
AisinPart # ESCAZ-00279
4 pc Ignition Coil | Aisin ESCAZ-00279
4.6567 Reviews
$47.99
Low stock: Only 1 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2005 - 2008 Mercury Mariner, 2005 - 2008 Ford Escape, 2009 - 2012 Ford EcoSport, 2005 - 2005 Mazda 6, 2010 - 2013 Ford Transit Connect, 2005 - 2011 Ford Focus, 2007 - 2011 Ford Focus, 2004 - 2005 Mazda 3, 2003 - 2007 Ford Focus, 2005 - 2006 Mazda Tribute, 2010 - 2010 Ford Transit, 2008 - 2008 Mazda Tribute
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity4
Item LocatedUnited States
Part interchange
4M5G12A366BC, 4M5Z12029A, 4M5Z12029B, 4M5Z12029BA, 4M5Z12029BB, 4M5Z12029BC, LF1618100, LF1618100A, 
...View more
ConditionNew
item #10189S96
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Walker Products 921-2271 Ignition Coil
Walker ProductsPart # 921-2271
Walker Products 921-2271 Ignition Coil
4.328 Reviews
$111.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2012-2013 Mazda 3, 2012-2013 Mazda 3, 2013-2016 Mazda CX-5, 2014-2018 Mazda 3, 2014-2021 Mazda 6, 2016-2021 Mazda CX-3, 2016-2023 Mazda CX-9, 2016-2023 Mazda MX-5 Miata, 2017-2017 Mazda CX-5, 2018-2019 Mazda CX-5, 2019-2020 Mazda 3, 2020-2020 Mazda CX-30, 2020-2020 Mazda CX-30, 2020-2020 Mazda CX-30, 2020-2021 Mazda CX-5, 2021-2022 Mazda 3, 2021-2023 Mazda CX-30, 2022-2022 Mazda CX-5, 2022-2022 Mazda CX-5, 2022-2022 Mazda CX-5
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
921-2271, P51B18100, PE0118100, PE0118100A, PE2018100, PE2018100A, 48895, COP574, 
...View more
item #1001L3GC
Show less
Spectra Premium C-649 Ignition Coil
Spectra PremiumPart # C-649
Spectra Premium C-649 Ignition Coil
52 Reviews
$51.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1990-1993 Ford Festiva, 1991-1996 Ford Escort, 1990-1993 Mazda B2200, 1990-1993 Mazda B2600, 1990-1994 Mazda Protege, 1990-1995 Mazda 323, 1992-1993 Mazda MX-3, 1991-1996 Mercury Tracer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
C-649, CFD485, CUF221, UF221, 50095, 9201075, 230345, B6S71810XA, 
...View more
item #1000Z6XH
Show less
Spectra Premium C-622 Ignition Coil
Spectra PremiumPart # C-622
Spectra Premium C-622 Ignition Coil
52 Reviews
$28.99
Low stock: Only 4 left
Edit ZIP code
3-year warranty
90 days free return
Fits 1955-1958 AC Two-Litre, 1955-1963 AC Ace, 1955-1963 AC Aceca, 1960-1963 AC Greyhound, 1954-1959 Alfa Romeo Giulietta, 1959-1962 Alfa Romeo 2000, 1962-1968 Alfa Romeo 2600, 1962-1968 Alfa Romeo Giulia, 1962-1968 Alfa Romeo Giulia Sprint, 1964-1964 Alfa Romeo GTC, 1964-1964 Alfa Romeo GTZ, 1965-1965 Alfa Romeo GTA, 1965-1965 Alfa Romeo GTV, 1965-1965 Alfa Romeo TZ, 1966-1966 Alfa Romeo Duetto 1600, 1967-1967 Alfa Romeo TZ 2, 1967-1968 Alfa Romeo GTV, 1969-1969 Alfa Romeo Spider, 1969-1971 Alfa Romeo Berlina, 1971-1975 Alfa Romeo Montreal
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
C-622, CUC15, UC15, UC15T, 30500634015, 829886102, 981360007, 9825135080, 
...View more
item #1000Z6T1
Show less
Spectra Premium C-715 Ignition Coil
Spectra PremiumPart # C-715
Spectra Premium C-715 Ignition Coil
52 Reviews
$29.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1995-1997 Ford Probe, 1994-1994 Mazda MX-3, 1995-1997 Mazda 626, 1995-1997 Mazda MX-6, 1995-2002 Mazda Millenia, 1996-1998 Mazda MPV
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
C-715, CUF368, 521897, UF368, 25172, C1607, 1788284, 5172, 
...View more
item #1000Z4V0
Show less
Walker Products 921-2065 Ignition Coil
Walker ProductsPart # 921-2065
Walker Products 921-2065 Ignition Coil
4.328 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: Mazda 3
Quantity1
Item LocatedUnited States
Part interchange
921-2065, 50089, 5047437, 4M5E12A366AA, 4M5G12A366BA, 4M5G12A366BB, 4M5G12A366BC, 4M5Z12029A, 
...View more
item #1001L4S2
Show less
Page 1 of 3

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.

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P0301 Code: Cylinder 1 Misfire Diagnosis and Fix

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Aug 10, 2026

P0351: Ignition Coil A Primary/Secondary Circuit Malfunction

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P0302 Code: How to Diagnose and Fix a Cylinder 2 Misfire

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Jul 30, 2026

How To Replace Ignition Coil Ford F150?

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Jul 21, 2026