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Mazda 6 Ignition Coil

79 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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6 pc Ignition Coil | Aisin ESCAZ-002856 pc Ignition Coil | Aisin ESCAZ-00285
AisinPart # ESCAZ-00285
6 pc Ignition Coil | Aisin ESCAZ-00285
4.6600 Reviews
$130.99
Low stock: Only 5 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2015 - 2018 Ford Transit-150, 2015 - 2018 Ford Transit-250, 2015 - 2018 Ford Transit-350, 2015 - 2018 Ford Transit-350 HD, 2015 - 2017 Ford F-150, 2015 - 2017 Ford Transit, 2013 - 2017 Ford Police Interceptor Utility, 2013 - 2016 Ford Police Interceptor Sedan, 2013 - 2016 Lincoln MKZ, 2011 - 2017 Ford Explorer, 2011 - 2016 Ford Mustang, 2011 - 2016 Lincoln MKX, 2011 - 2014 Ford Edge, 2011 - 2014 Ford F-150, 2010 - 2016 Lincoln MKT, 2010 - 2012 Ford Fusion, 2009 - 2017 Ford Flex, 2009 - 2016 Lincoln MKS, 2009 - 2013 Mazda 6, 2008 - 2016 Ford Taurus
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
Quantity6
Item LocatedUnited States
Part interchange
7T4Z12029DA, 7T4Z12029E, CY0118100, CY0118100A, CY0118100B
ConditionNew
item #10189T95
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4 pc Ignition Coil | Aisin ESCAZ-00279
AisinPart # ESCAZ-00279
4 pc Ignition Coil | Aisin ESCAZ-00279
4.6600 Reviews
$47.99
Low stock: Only 2 left
Edit ZIP code
3-year warranty
90 days free return
Fits 2010 - 2013 Ford Transit Connect, 2010 - 2010 Ford Transit, 2009 - 2012 Ford EcoSport, 2008 - 2008 Mazda Tribute, 2007 - 2011 Ford Focus, 2005 - 2011 Ford Focus, 2005 - 2008 Ford Escape, 2005 - 2008 Mercury Mariner, 2005 - 2006 Mazda Tribute, 2005 - 2005 Mazda 6, 2004 - 2005 Mazda 3, 2003 - 2007 Ford Focus
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
Quantity4
Item LocatedUnited States
Part interchange
4M5G12A366BC, 4M5Z12029A, 4M5Z12029B, 4M5Z12029BA, 4M5Z12029BB, 4M5Z12029BC, LF1618100, LF1618100A, 
...View more
ConditionNew
item #10189S96
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Spectra Premium C-720 Ignition Coil
Spectra PremiumPart # C-720
Spectra Premium C-720 Ignition Coil
52 Reviews
$60.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2017-2017 Ford F-150, 2017-2017 Ford F-150, 2017-2017 Ford Police Interceptor Sedan, 2017-2017 Ford Transit-350 HD, 2017-2017 Lincoln Continental, 2016-2017 Ford Explorer, 2016-2017 Ford Explorer, 2016-2017 Ford Explorer, 2016-2017 Ford Mustang, 2016-2017 Ford Police Interceptor Sedan, 2016-2017 Ford Police Interceptor Utility, 2016-2017 Lincoln MKX, 2016-2016 Ford Edge, 2016-2016 Ford F-150, 2016-2016 Ford F-150, 2016-2016 Ford F-150, 2016-2016 Ford F-150, 2016-2016 Ford F-150, 2016-2016 Ford F-150, 2016-2016 Ford Flex
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
Quantity1
Item LocatedUnited States
Part interchange
C-720, CUF553, UF595, UF553T, UF553, 420013, 72918007800, 50106, 
...View more
item #1000Z6EK
Show less
Walker Products 921-2271 Ignition Coil
Walker ProductsPart # 921-2271
Walker Products 921-2271 Ignition Coil
4.329 Reviews
$111.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2023-2023 Mazda 3, 2023-2023 Mazda CX-5, 2023-2023 Mazda CX-50, 2022-2022 Mazda CX-5, 2022-2022 Mazda CX-5, 2022-2022 Mazda CX-5, 2022-2022 Mazda CX-5, 2021-2023 Mazda CX-30, 2021-2022 Mazda 3, 2020-2021 Mazda CX-5, 2020-2020 Mazda CX-30, 2020-2020 Mazda CX-30, 2020-2020 Mazda CX-30, 2019-2020 Mazda 3, 2018-2019 Mazda CX-5, 2017-2017 Mazda CX-5, 2016-2023 Mazda CX-9, 2016-2023 Mazda MX-5 Miata, 2016-2021 Mazda CX-3, 2014-2021 Mazda 6
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
Quantity1
Item LocatedUnited States
Part interchange
921-2271, P51B18100, PE0118100, PE0118100A, PE2018100, PE2018100A, 48895, COP574, 
...View more
item #1001L3GC
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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 1996-1998 Mazda MPV, 1995-2002 Mazda Millenia, 1995-1997 Ford Probe, 1995-1997 Mazda 626, 1995-1997 Mazda MX-6, 1994-1994 Mazda MX-3
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
Quantity1
Item LocatedUnited States
Part interchange
C-715, CUF368, 521897, UF368, 25172, C1607, 1788284, 5172, 
...View more
item #1000Z4V0
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Walker Products 920-1001 Ignition Coil
Walker ProductsPart # 920-1001
Walker Products 920-1001 Ignition Coil
4.329 Reviews
$37.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1992-1992 Eagle Vista, 1990-1992 Toyota Pickup, 1989-1991 Eagle Vista, 1989-1990 Chevrolet Tracker, 1989-1990 Geo Tracker, 1989-1990 GMC Tracker, 1989-1990 Suzuki Sidekick, 1989-1989 Mitsubishi Montero, 1988-1992 Toyota 4Runner, 1988-1989 Toyota 4Runner, 1988-1988 Eagle Vista, 1988-1988 Toyota 4Runner, 1987-1989 Dodge Raider, 1987-1987 Dodge Colt, 1987-1987 Dodge Colt, 1987-1987 Mazda B2000, 1987-1987 Plymouth Colt, 1987-1987 Plymouth Colt, 1986-1986 Dodge Power Ram 50, 1986-1986 Dodge Ram 50
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
Quantity1
Item LocatedUnited States
Part interchange
920-1001, E5AZ18100, F80218100B, FE8518100, FE8718100, 30500634672, 30500634673, 30500679003, 
...View more
item #1001L1W7
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Walker Products 921-2338 Ignition Coil
Walker ProductsPart # 921-2338
Walker Products 921-2338 Ignition Coil
4.329 Reviews
$54.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2009-2013 Mazda 6, 2007-2015 Mazda CX-9
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
Quantity1
Item LocatedUnited States
Part interchange
921-2338, CY0118100A, CY0118100B, ZZJ118100, UF595, E1053, 178-8498, 5C1652, 
...View more
item #1001LG36
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Walker Products 921-2065 Ignition Coil
Walker ProductsPart # 921-2065
Walker Products 921-2065 Ignition Coil
4.329 Reviews
$27.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2010-2013 Ford Transit Connect, 2008-2008 Ford Fiesta, 2008-2008 Mazda Tribute, 2007-2011 Ford Focus, 2007-2007 Ford Focus, 2005-2008 Ford Escape, 2005-2008 Mercury Mariner, 2005-2006 Ford Focus, 2005-2006 Mazda Tribute, 2005-2005 Mazda 6, 2004-2005 Mazda 3, 2003-2004 Ford Focus
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
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 921-2104 Ignition Coil
Walker ProductsPart # 921-2104
Walker Products 921-2104 Ignition Coil
4.329 Reviews
$54.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2012-2013 Mazda 3, 2012-2013 Mazda 3, 2012-2013 Mazda 3, 2012-2012 Mazda 3, 2012-2012 Mazda 3 Sport, 2010-2013 Mazda 3, 2010-2011 Mazda 3, 2009-2013 Mazda 6, 2007-2012 Mazda CX-7, 2006-2015 Mazda MX-5 Miata, 2006-2009 Mazda 3, 2006-2008 Mazda 6, 2006-2006 Mazda MX-5
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
Quantity1
Item LocatedUnited States
Part interchange
921-2104, 50223, IC-850, 12873, BB-2540, C753, C-753, 36-8159, 
...View more
item #1001L464
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Spectra Premium C-632 Ignition Coil
Spectra PremiumPart # C-632
Spectra Premium C-632 Ignition Coil
52 Reviews
$27.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1989-1989 Ford Festiva, 1987-1991 Land Rover Range Rover, 1986-1989 Jaguar XJ6, 1986-1987 Isuzu Pickup, 1984-1984 Volvo DL, 1984-1984 Volvo GLE, 1983-1986 Volvo 760, 1982-1987 Jaguar Vanden Plas, 1982-1983 Fiat 124, 1982-1982 Triumph TR7, 1981-1983 Alfa Romeo GTV-6, 1981-1981 Bentley Mulsanne, 1980-1983 Fiat X-1/9, 1980-1981 Triumph TR7, 1980-1981 Volvo 262, 1980-1981 Volvo 264, 1980-1980 Audi 4000, 1980-1980 Rover 3500, 1980-1980 Volkswagen Dasher, 1980-1980 Volkswagen Jetta
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
Quantity1
Item LocatedUnited States
Part interchange
C-632, CUF2, 521907, U1157, U1123, UF2, 88921308, 25195, 
...View more
item #1000Z5WA
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Spectra Premium C-659 Ignition Coil
Spectra PremiumPart # C-659
Spectra Premium C-659 Ignition Coil
52 Reviews
$20.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2005-2008 Mercury Mariner, 2005-2005 Ford Taurus, 2005-2005 Ford Taurus, 2005-2005 Ford Taurus, 2005-2005 Ford Taurus, 2005-2005 Mercury Sable, 2005-2005 Mercury Sable, 2004-2006 Ford Escape, 2003-2008 Mazda 6, 2002-2006 Mazda MPV
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
Quantity1
Item LocatedUnited States
Part interchange
C-659, CUF406, UF406, UF406T, F588, 420008, 50101, 230251, 
...View more
item #1000Z390
Show less
Walker Products 928-4079-4 Ignition Coil Set
Walker ProductsPart # 928-4079-4
Walker Products 928-4079-4 Ignition Coil Set
4.329 Reviews
$84.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2010-2013 Ford Transit Connect, 2008-2008 Ford Fiesta, 2008-2008 Mazda Tribute, 2007-2011 Ford Focus, 2007-2007 Ford Focus, 2005-2008 Ford Escape, 2005-2008 Mercury Mariner, 2005-2006 Ford Focus, 2005-2006 Mazda Tribute, 2005-2005 Mazda 6, 2004-2005 Mazda 3, 2003-2004 Ford Focus
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
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-753 Ignition Coil
Spectra PremiumPart # C-753
Spectra Premium C-753 Ignition Coil
52 Reviews
$89.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2013-2013 Mazda 3, 2013-2013 Mazda 3, 2013-2013 Mazda 3, 2012-2017 Mazda 5, 2012-2013 Mazda 3, 2012-2013 Mazda 3, 2012-2013 Mazda 3 Sport, 2012-2013 Mazda 3 Sport, 2012-2012 Mazda 3, 2012-2012 Mazda 3, 2012-2012 Mazda 3, 2012-2012 Mazda 3, 2012-2012 Mazda 3 Sport, 2009-2013 Mazda 6, 2009-2011 Mazda 3 Sport, 2008-2010 Mazda 5, 2007-2012 Mazda CX-7, 2006-2015 Mazda MX-5, 2006-2015 Mazda MX-5 Miata, 2006-2011 Mazda 3
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
Quantity1
Item LocatedUnited States
Part interchange
C-753, UF540, UF604, UF540T, 50223, 9212104, 230130, 230183, 
...View more
item #1000Z66T
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Walker Products 920-1011 Ignition Coil
Walker ProductsPart # 920-1011
Walker Products 920-1011 Ignition Coil
4.329 Reviews
$33.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1997-1997 Ford F-250 HD, 1997-1997 Ford F-250 HD, 1997-1997 Mazda MX-6, 1996-1997 Ford Thunderbird, 1996-1996 Ford Econoline Super Duty, 1996-1996 Ford Econoline Super Duty, 1995-1997 Ford F-53 Motorhome Chassis, 1995-1997 Ford F-Super Duty, 1995-1996 Ford E-150 Econoline Club Wagon, 1995-1996 Ford E-350 Econoline Club Wagon, 1995-1996 Ford E-350 Econoline Club Wagon, 1995-1996 Ford E-350 Econoline Club Wagon, 1995-1996 Ford F-150, 1995-1995 Ford Mustang, 1995-1995 Ford Mustang, 1995-1995 Ford Taurus, 1995-1995 Ford Taurus, 1995-1995 Ford Taurus, 1995-1995 Ford Thunderbird, 1994-1997 Mazda 626
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
Quantity1
Item LocatedUnited States
Part interchange
920-1011, 38541611, 6383157, DG434, DG452, DGE453, E1EF12029AA, E2EF12029AA, 
...View more
item #1001L54W
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Spectra Premium C-502 Ignition Coil
Spectra PremiumPart # C-502
Spectra Premium C-502 Ignition Coil
52 Reviews
$36.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1998-1998 Ford F-350, 1997-1997 Ford F-150, 1997-1997 Ford F-250 HD, 1997-1997 Ford F-250 HD, 1996-1997 Ford P-350, 1996-1996 Ford Econoline Super Duty, 1996-1996 Ford Econoline Super Duty, 1995-1997 Ford Aerostar, 1995-1997 Ford F-350, 1995-1997 Ford Ranger, 1995-1996 Ford Club Wagon, 1995-1995 Ford Mustang, 1995-1995 Ford Sable, 1995-1995 Ford Taurus, 1994-1997 Mazda 626, 1994-1997 Mazda MX-6, 1994-1995 Mercury Cougar, 1994-1994 Mazda B3000, 1993-1997 Ford Probe, 1992-1992 Ford F-700
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
Quantity1
Item LocatedUnited States
Part interchange
C-502, CFD478, FD478T, FD478, 5189, 9201011, ZZM418100A, ZZM118100, 
...View more
item #1000Z4HQ
Show less
Walker Products 928-4056-6 Ignition Coil Set
Walker ProductsPart # 928-4056-6
Walker Products 928-4056-6 Ignition Coil Set
4.329 Reviews
$129.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2008-2009 Mazda Tribute, 2008-2008 Ford Escape, 2008-2008 Mercury Mariner, 2005-2007 Ford Five Hundred, 2005-2007 Ford Freestyle, 2005-2007 Mercury Montego, 2005-2006 Mercury Mariner, 2005-2005 Mercury Sable, 2004-2005 Ford Taurus, 2004-2005 Ford Taurus, 2004-2005 Ford Taurus, 2004-2005 Ford Taurus, 2004-2005 Mercury Sable, 2004-2004 Ford Taurus, 2004-2004 Mercury Sable, 2003-2008 Mazda 6, 2002-2006 Mazda MPV, 2001-2006 Ford Escape, 2001-2006 Mazda Tribute, 2000-2000 Ford Taurus
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
QuantityOne Set
Item LocatedUnited States
Part interchange
928-4056-6
item #1001P2XZ
Show less
Spectra Premium C-857 Ignition Coil
Spectra PremiumPart # C-857
Spectra Premium C-857 Ignition Coil
52 Reviews
$125.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2022-2023 Mazda CX-3, 2022-2023 Mazda CX-9, 2022-2023 Mazda MX-5, 2022-2023 Mazda MX-5 Miata, 2021-2023 Mazda 3, 2021-2023 Mazda 3 Sport, 2020-2023 Mazda CX-30, 2020-2023 Mazda CX-30, 2020-2023 Mazda CX-30, 2019-2020 Mazda 3 Sport, 2019-2019 Mazda CX-5, 2018-2021 Mazda 6, 2018-2021 Mazda MX-5, 2018-2018 Mazda CX-5, 2016-2021 Mazda CX-3, 2016-2021 Mazda CX-9, 2016-2021 Mazda MX-5 Miata, 2014-2020 Mazda 3, 2014-2018 Mazda 3 Sport, 2014-2017 Mazda 6
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
Quantity1
Item LocatedUnited States
Part interchange
C-857, U5279, UF656T, UF656, 175407, MPSMF656, 48895, CF94, 
...View more
item #1000Z4XR
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Walker Products 921-92104 Ignition Coil
Walker ProductsPart # 921-92104
Walker Products 921-92104 Ignition Coil
4.329 Reviews
$68.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2012-2013 Mazda 3, 2012-2013 Mazda 3, 2012-2013 Mazda 3, 2012-2012 Mazda 3, 2012-2012 Mazda 3 Sport, 2010-2013 Mazda 3, 2010-2011 Mazda 3, 2009-2013 Mazda 6, 2007-2012 Mazda CX-7, 2006-2015 Mazda MX-5 Miata, 2006-2009 Mazda 3, 2006-2008 Mazda 6, 2006-2006 Mazda MX-5
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
Quantity1
Item LocatedUnited States
Part interchange
921-92104
item #1001LHRU
Show less
Standard UF882 Ignition Coil
StandardPart # UF882
Standard UF882 Ignition Coil
4.448 Reviews
$175.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2023-2023 Mazda CX-5, 2023-2023 Mazda CX-5, 2023-2023 Mazda CX-5, 2023-2023 Mazda CX-5, 2023-2023 Mazda CX-5, 2023-2023 Mazda CX-5, 2023-2023 Mazda CX-5, 2023-2023 Mazda CX-5, 2023-2023 Mazda CX-5, 2021-2021 Mazda 6, 2021-2021 Mazda CX-5, 2021-2021 Mazda CX-5, 2020-2021 Mazda 3, 2020-2021 Mazda CX-30, 2020-2021 Mazda CX-5, 2020-2020 Mazda 6, 2019-2021 Mazda CX-5, 2019-2021 Mazda CX-5, 2019-2021 Mazda CX-5, 2019-2021 Mazda CX-5
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
Quantity1
Item LocatedUnited States
ColorBlack
Part interchange
UF882, GN11127, IC989, E1382, PYFS18100, 5C2296, EBC1953
item #10016UHW
Show less
Walker Products 921-92065 Ignition Coil
Walker ProductsPart # 921-92065
Walker Products 921-92065 Ignition Coil
4.329 Reviews
$34.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2010-2013 Ford Transit Connect, 2008-2008 Ford Fiesta, 2008-2008 Mazda Tribute, 2007-2011 Ford Focus, 2007-2007 Ford Focus, 2005-2008 Ford Escape, 2005-2008 Mercury Mariner, 2005-2006 Ford Focus, 2005-2006 Mazda Tribute, 2005-2005 Mazda 6, 2004-2005 Mazda 3, 2003-2004 Ford Focus
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Mazda 6
Quantity1
Item LocatedUnited States
Part interchange
921-92065
item #1001LL6P
Show less
Page 2 of 4

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.

Related Blogs

P0353 Code: Ignition Coil C Circuit Causes and Fixes

Diagnose P0353 Ignition Coil C Circuit faults with this guide. Learn causes, symptoms, and fixes for misfires. Includes coil swap tests, wiring checks, and cost estimates to resolve issues safely and avoid catalytic converter damage.

Sep 15, 2026

Hard Start in Hot Weather? Testing Your Fuel Pump and Ignition Coil for Heat Soak

Heat soak is a "final warning" for aging parts. This guide dives into why fuel pumps and ignition coils fail in high heat and how to professionally diagnose these faults to solve your car’s hot-weather starting issues.

Sep 04, 2026

P0301 Code: Cylinder 1 Misfire Diagnosis and Fix

Experiencing engine issues? The P0301 code signals a cylinder 1 misfire, impacting performance and fuel efficiency. Discover the causes, symptoms, and effective fixes to quickly get your engine back to optimal performance.

Aug 10, 2026

P0351: Ignition Coil A Primary/Secondary Circuit Malfunction

Decode the P0351 Ignition Coil A fault. Learn its meaning, symptoms, and causes like failed coils or bad wiring. Master the DIY diagnosis, including the coil swap test, to avoid costly PCM replacements and restore engine performance efficiently.

Aug 10, 2026

P0306 Code: Cylinder 6 Misfire Causes, Diagnosis, and Fix

Decode the P0306 Cylinder 6 Misfire code. This step-by-step guide helps you pinpoint the exact cause, avoid unnecessary part replacements, reduce repair costs, and prevent severe engine damage.

Aug 10, 2026