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Ignition Coil

3426 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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Walker Products 928-4087-6 Ignition Coil SetWalker Products 928-4087-6 Ignition Coil Set
Walker ProductsPart # 928-4087-6
Walker Products 928-4087-6 Ignition Coil Set
4.330 Reviews
$275.99
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3-year warranty
90 days free return
Fits 2022-2022 Toyota Highlander, 2019-2019 Toyota Highlander, 2019-2019 Toyota Highlander, 2018-2022 Lexus RX350L, 2018-2022 Lexus RX450hL, 2017-2021 Toyota Highlander, 2017-2019 Toyota Highlander, 2017-2019 Toyota Highlander, 2017-2019 Toyota Highlander, 2017-2019 Toyota Highlander, 2017-2019 Toyota Highlander, 2017-2019 Toyota Highlander, 2016-2022 Lexus RX350, 2016-2022 Lexus RX450h, 2014-2020 Toyota Sienna, 2013-2022 Toyota Avalon, 2011-2013 Toyota Sienna, 2010-2015 Lexus RX450h, 2009-2015 Toyota Venza, 2008-2016 Toyota Highlander
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QuantityOne Set
Item LocatedUnited States
Part interchange
928-4087-6, 50099, IC-509, 40260, GN10366, 4T9, 5C1658, 12430, 
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item #1001P5P5
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Walker Products 920-1001 Ignition Coil
Walker ProductsPart # 920-1001
Walker Products 920-1001 Ignition Coil
4.330 Reviews
$37.99
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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
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Quantity1
Item LocatedUnited States
Part interchange
920-1001, E5AZ18100, F80218100B, FE8518100, FE8718100, 30500634672, 30500634673, 30500679003, 
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item #1001L1W7
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Walker Products 920-1004 Ignition Coil
Walker ProductsPart # 920-1004
Walker Products 920-1004 Ignition Coil
4.330 Reviews
$30.99
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3-year warranty
90 days free return
Fits 1995-1996 AM General Hummer, 1995-1995 Chevrolet Blazer, 1995-1995 Chevrolet Tahoe, 1995-1995 GMC C1500 Suburban, 1995-1995 GMC K1500 Suburban, 1994-1995 Cadillac Commercial Chassis, 1994-1995 Chevrolet C1500 Suburban, 1994-1995 Chevrolet C2500 Suburban, 1994-1995 Chevrolet C2500 Suburban, 1994-1995 Chevrolet Impala, 1994-1995 Chevrolet K1500 Suburban, 1994-1995 Chevrolet K2500 Suburban, 1994-1995 Chevrolet K2500 Suburban, 1994-1995 GMC C2500 Suburban, 1994-1995 GMC C2500 Suburban, 1994-1995 GMC K2500 Suburban, 1994-1995 GMC K2500 Suburban, 1994-1995 GMC Sonoma, 1994-1995 GMC Yukon, 1994-1994 Chevrolet B7
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Quantity1
Item LocatedUnited States
Part interchange
920-1004, D-535, IC-29, DC-61, 1115315, 1115316, 1115317, 1115324, 
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item #1001L25A
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Walker Products 921-2151 Ignition Coil
Walker ProductsPart # 921-2151
Walker Products 921-2151 Ignition Coil
4.330 Reviews
$58.99
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3-year warranty
90 days free return
Fits 2022-2024 INFINITI QX60, 2022-2024 Nissan Pathfinder, 2017-2024 Nissan Murano, 2016-2023 Nissan Maxima, 2016-2020 Nissan Pathfinder, 2016-2016 Nissan Murano, 2014-2020 INFINITI QX60, 2014-2018 INFINITI Q50, 2014-2018 INFINITI Q70, 2014-2015 Nissan Pathfinder, 2013-2013 INFINITI JX35, 2013-2013 Nissan Pathfinder, 2012-2013 INFINITI M35h, 2011-2017 Nissan Quest, 2011-2012 INFINITI G25, 2009-2015 Nissan Murano, 2009-2014 Nissan Maxima, 2009-2012 INFINITI FX35, 2009-2010 INFINITI M35, 2008-2012 INFINITI EX35
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Quantity1
Item LocatedUnited States
Part interchange
921-2151, 50150, IC-1138, 12118, C750, C-750, 133902, 2503902, 
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item #1001L2PL
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Walker Products 921-2187 Ignition Coil
Walker ProductsPart # 921-2187
Walker Products 921-2187 Ignition Coil
4.330 Reviews
$37.99
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3-year warranty
90 days free return
Fits 1998-2000 Mercedes-Benz SLK230, 1997-2000 Mercedes-Benz C230, 1997-1997 Mercedes-Benz E320, 1995-1999 Mercedes-Benz S320, 1995-1997 Mercedes-Benz C280, 1995-1997 Mercedes-Benz C36 AMG, 1995-1997 Mercedes-Benz SL320, 1995-1996 Mercedes-Benz E320
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Quantity1
Item LocatedUnited States
Part interchange
921-2187, 5181, IC-789, GN10381, 88921409, 12736, ZS340, C-663, 
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item #1001L61X
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Walker Products 928-4110-4 Ignition Coil Set
Walker ProductsPart # 928-4110-4
Walker Products 928-4110-4 Ignition Coil Set
4.330 Reviews
$169.99
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3-year warranty
90 days free return
Fits 2018-2021 Hyundai Tucson, 2018-2020 Hyundai Elantra GT, 2017-2017 Hyundai Tucson, 2017-2017 Hyundai Tucson, 2017-2017 Hyundai Tucson, 2017-2017 Hyundai Tucson, 2014-2018 Kia Forte, 2014-2018 Kia Forte5, 2014-2016 Hyundai Tucson, 2014-2016 Kia Forte Koup, 2013-2017 Hyundai Elantra GT, 2013-2016 Hyundai Elantra, 2013-2014 Hyundai Elantra Coupe, 2012-2019 Kia Soul, 2011-2012 Hyundai Elantra
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Quantity4
Item LocatedUnited States
Part interchange
928-4110-4, 50146, 43065C, 273002E000, 5C1861, 12177, C-898, C898, 
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item #1001P6W6
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Walker Products 921-2104 Ignition Coil
Walker ProductsPart # 921-2104
Walker Products 921-2104 Ignition Coil
4.330 Reviews
$54.99
Enter ZIP codeFree standard shipping
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
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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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Walker Products 928-4079-4 Ignition Coil Set
Walker ProductsPart # 928-4079-4
Walker Products 928-4079-4 Ignition Coil Set
4.330 Reviews
$84.99
Enter ZIP codeFree standard shipping
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
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QuantityOne Set
Item LocatedUnited States
Part interchange
928-4079-4, 50089, 1224925, 1322402, 2322402, 4M5E12A366AA, 4M5G12A366BB, 4M5Z12029A, 
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item #1001P30Z
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Walker Products 921-2141 Ignition Coil
Walker ProductsPart # 921-2141
Walker Products 921-2141 Ignition Coil
4.330 Reviews
$33.99
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3-year warranty
90 days free return
Fits 2019-2022 Ford Transit Connect, 2019-2020 Ford Fusion, 2019-2020 Ford Fusion, 2019-2020 Ford Police Responder Hybrid, 2019-2020 Ford SSV Plug-In Hybrid, 2019-2020 Lincoln MKZ, 2019-2019 Lincoln MKZ, 2019-2019 Lincoln MKZ, 2017-2020 Lincoln MKZ, 2017-2019 Ford Fusion, 2017-2019 Lincoln MKZ, 2017-2018 Ford Fusion, 2017-2018 Ford Fusion, 2017-2018 Ford Transit Connect, 2017-2018 Lincoln MKZ, 2015-2018 Lincoln MKZ, 2014-2018 Ford Fusion, 2014-2016 Ford Transit Connect, 2013-2020 Ford Fusion, 2013-2020 Ford Fusion
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Quantity1
Item LocatedUnited States
Part interchange
921-2141, 50129, IC-476, 9E5Z12029A, GN10507, C757, C-757, 36-8197, 
...View more
item #1001L33N
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Walker Products 921-2076 Ignition Coil
Walker ProductsPart # 921-2076
Walker Products 921-2076 Ignition Coil
4.330 Reviews
$37.99
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3-year warranty
90 days free return
Fits 2005-2005 Chrysler 300, 2005-2005 Dodge Magnum, 2005-2005 Jeep Grand Cherokee, 2004-2005 Dodge Durango, 2003-2005 Dodge Ram 1500, 2003-2005 Dodge Ram 2500, 2003-2005 Dodge Ram 3500
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Quantity1
Item LocatedUnited States
Part interchange
921-2076, 50091, 56028394AB, 56028394AC, 56028394AD, GN10372, 4T1, 12439, 
...View more
item #1001L43T
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Walker Products 921-2275 Ignition Coil
Walker ProductsPart # 921-2275
Walker Products 921-2275 Ignition Coil
4.330 Reviews
$32.99
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3-year warranty
90 days free return
Fits 2017-2022 BMW M760i xDrive, 2017-2018 BMW 320i, 2017-2018 BMW X5, 2017-2018 BMW X5, 2016-2021 BMW M2, 2016-2018 BMW X5, 2015-2020 BMW M4, 2015-2018 BMW M3, 2015-2018 BMW X4, 2015-2017 BMW X3, 2015-2016 BMW 228i xDrive, 2015-2016 BMW 428i Gran Coupe, 2015-2016 BMW 428i xDrive Gran Coupe, 2015-2016 BMW 435i Gran Coupe, 2015-2016 BMW 435i xDrive Gran Coupe, 2015-2016 BMW M235i xDrive, 2014-2019 BMW 640i xDrive Gran Coupe, 2014-2018 BMW 640i xDrive, 2014-2018 BMW X5, 2014-2016 BMW 228i
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Quantity1
Item LocatedUnited States
Part interchange
921-2275, 48705, 48888, 880338A, 85.30252, 12846, 10528, 155191, 
...View more
item #1001L3Q6
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Walker Products 921-2201 Ignition Coil, Left Driver Side
Walker ProductsPart # 921-2201
Walker Products 921-2201 Ignition Coil, Left Driver Side
4.330 Reviews
$52.99
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3-year warranty
90 days free return
Fits 2017-2017 Ford E-350 Super Duty, 2017-2017 Ford E-450 Super Duty, 2011-2017 Ford F-250 Super Duty, 2011-2017 Ford F-350 Super Duty, 2010-2014 Ford F-150
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Quantity1
Item LocatedUnited States
Installation PositionLeft
Part interchange
921-2201, IC-403, AL3Z12029B, DG526, IC742, GN10619, C824, C-824, 
...View more
item #1001L3A2
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Walker Products 928-4097-4 Ignition Coil Set
Walker ProductsPart # 928-4097-4
Walker Products 928-4097-4 Ignition Coil Set
4.330 Reviews
$103.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2017-2018 Volkswagen Tiguan Limited, 2017-2017 Audi A5 Quattro, 2016-2018 Audi Q3, 2016-2018 Audi Q3 Quattro, 2015-2016 Audi A4 Quattro, 2015-2015 Audi Q3, 2015-2015 Audi Q3 Quattro, 2015-2015 Audi Q3 Quattro, 2015-2015 Audi Q3 Quattro, 2015-2015 Audi Q3 Quattro, 2015-2015 Audi Q3 Quattro, 2015-2015 Audi Q3 Quattro, 2015-2015 Audi Q3 Quattro, 2015-2015 Audi Q3 Quattro, 2015-2015 Audi TT Quattro, 2014-2015 Audi A6, 2014-2014 Audi TT Quattro, 2013-2017 Volkswagen Tiguan, 2013-2016 Audi allroad, 2013-2015 Audi A6 Quattro
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QuantityOne Set
Item LocatedUnited States
Part interchange
928-4097-4, 06F905115C, 06H905115B, 07K905715G, 06F905115B, 06F905115A, 0904155212, 12780, 
...View more
item #1001P6HR
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Walker Products 921-2319 Ignition Coil
Walker ProductsPart # 921-2319
Walker Products 921-2319 Ignition Coil
4.330 Reviews
$42.99
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3-year warranty
90 days free return
Fits 2012-2016 BMW Z4, 2011-2013 BMW 335is, 2011-2012 BMW 740i, 2011-2012 BMW 740Li, 2011-2011 BMW 1 Series M, 2011-2011 BMW Z4, 2009-2011 BMW Z4, 2009-2010 BMW 335i xDrive, 2009-2010 BMW 535i xDrive, 2009-2010 Mini Cooper, 2008-2010 BMW 135i, 2008-2010 BMW 535i, 2008-2010 BMW X6, 2008-2010 Mini Cooper, 2008-2008 BMW 535xi, 2007-2010 BMW 335i, 2007-2009 Mini Cooper, 2007-2009 Mini Cooper, 2007-2008 BMW 335xi, 2007-2008 Mini Cooper
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Quantity1
Item LocatedUnited States
Part interchange
921-2319, UF804, 12138657273, C940, C-940
item #1001L1AN
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Walker Products 921-2329 Ignition Coil
Walker ProductsPart # 921-2329
Walker Products 921-2329 Ignition Coil
4.330 Reviews
$52.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2021-2023 Kia Seltos, 2020-2022 Kia Soul, 2019-2023 Kia Forte, 2019-2021 Hyundai Veloster, 2019-2019 Hyundai Sonata, 2019-2019 Hyundai Sonata, 2019-2019 Hyundai Sonata, 2019-2019 Hyundai Sonata, 2018-2021 Hyundai Kona, 2018-2020 Kia Optima, 2018-2018 Hyundai Sonata, 2018-2018 Hyundai Sonata, 2017-2020 Hyundai Elantra, 2017-2020 Kia Optima, 2017-2020 Kia Optima, 2017-2020 Kia Optima, 2017-2019 Hyundai Sonata, 2017-2019 Kia Optima, 2017-2018 Kia Forte, 2017-2018 Kia Optima
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Quantity1
Item LocatedUnited States
Part interchange
921-2329, B288, 5C2128, 49137, U5368, 273002E601, GN10877, UF816, 
...View more
item #1001L382
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Walker Products 921-2154 Ignition Coil
Walker ProductsPart # 921-2154
Walker Products 921-2154 Ignition Coil
4.330 Reviews
$45.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2013-2015 Acura RDX, 2010-2013 Acura MDX, 2010-2013 Acura ZDX, 2009-2015 Honda Pilot, 2009-2014 Honda Ridgeline
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Quantity1
Item LocatedUnited States
Part interchange
921-2154, 50174, 36-8165, 30520RN0A01, C1665, COP-544, UF624, E1124, 
...View more
item #1001L5GG
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Walker Products 921-2078 Ignition Coil
Walker ProductsPart # 921-2078
Walker Products 921-2078 Ignition Coil
4.330 Reviews
$39.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006-2008 INFINITI M35, 2003-2008 INFINITI FX35, 2003-2007 INFINITI G35, 2003-2006 Nissan 350Z
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
921-2078, 50076, 48929, GN10246, 22448AL61C, 12411, C689, C-689, 
...View more
item #1001L4HQ
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Walker Products 928-4061-8 Ignition Coil Set
Walker ProductsPart # 928-4061-8
Walker Products 928-4061-8 Ignition Coil Set
4.330 Reviews
$162.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2008-2008 Ford Expedition, 2008-2008 Ford Explorer, 2008-2008 Ford Explorer Sport Trac, 2008-2008 Ford F-150, 2008-2008 Ford F-250 Super Duty, 2008-2008 Ford F-350 Super Duty, 2008-2008 Ford Mustang, 2008-2008 Lincoln Mark LT, 2008-2008 Lincoln Navigator, 2008-2008 Mercury Mountaineer, 2007-2007 Ford Explorer Sport Trac, 2007-2007 Ford Mustang, 2006-2007 Ford Explorer, 2006-2007 Lincoln Mark LT, 2006-2007 Mercury Mountaineer, 2005-2007 Ford Expedition, 2005-2007 Ford F-250 Super Duty, 2005-2007 Ford F-350 Super Duty, 2005-2007 Lincoln Navigator, 2005-2006 Ford Mustang
Check if this fits your vehicle
QuantityOne Set
Item LocatedUnited States
Part interchange
928-4061-8, 50082, 39013, BOBFD011, 3L3U12A366BB, 3L3Z12029BA, 3L3E12A366CA, 3L3U12A366CA, 
...View more
item #1001P2YS
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Walker Products 921-2200 Ignition Coil, Right Passenger Side
Walker ProductsPart # 921-2200
Walker Products 921-2200 Ignition Coil, Right Passenger Side
4.330 Reviews
$61.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2017-2017 Ford E-350 Super Duty, 2017-2017 Ford E-450 Super Duty, 2011-2017 Ford F-250 Super Duty, 2011-2017 Ford F-350 Super Duty, 2010-2014 Ford F-150
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Installation PositionRight
Part interchange
921-2200, IC-402, AL3Z12029A, DG525, IC734, GN10618, C823, C-823, 
...View more
item #1001L6D3
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Walker Products 921-2004 Ignition Coil
Walker ProductsPart # 921-2004
Walker Products 921-2004 Ignition Coil
4.330 Reviews
$27.99
Enter ZIP codeFree standard shipping
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
Check if this fits your vehicle
Quantity1
Item LocatedUnited States
Part interchange
921-2004, 50053, 50101, IC-852, 18LE12A388AB, 1L8Z12029AA, 1L8Z12029AB, 2M2E12A366AC, 
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item #1001L34C
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Page 143 of 172

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.

Oct 19, 2026