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Subaru Ignition Coil

141 items

Shop precise fit replacement Ignition Coil to maintain and improve your vehicle's performance. Find the right parts for your make and model, backed by excellent customer service at A-Premium.

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Spectra Premium C-760 Ignition CoilSpectra Premium C-760 Ignition Coil
Spectra PremiumPart # C-760
Spectra Premium C-760 Ignition Coil
52 Reviews
$68.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2006-2006 Saab 9-2X, 2004-2005 Subaru Forester, 2004-2006 Subaru Baja, 2004-2010 Subaru Impreza, 2005-2005 Subaru Forester, 2005-2005 Subaru Legacy, 2005-2008 Subaru Legacy, 2005-2008 Subaru Outback, 2005-2009 Subaru Outback, 2006-2007 Subaru Impreza, 2006-2007 Subaru Impreza, 2006-2009 Subaru Legacy, 2006-2010 Subaru Forester, 2006-2010 Subaru Impreza, 2007-2007 Subaru Impreza, 2007-2009 Subaru Legacy, 2008-2008 Subaru Forester, 2008-2008 Subaru Forester, 2008-2008 Subaru Outback, 2008-2009 Subaru Forester
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
Part interchange
C-760, CUF2168, U5141, 368144, 521799, UF508T, UF567, UF508, 
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item #1000Z3V9
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Spectra Premium C-624 Ignition Coil
Spectra PremiumPart # C-624
Spectra Premium C-624 Ignition Coil
52 Reviews
$27.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Fits 2002-2002 Alfa Romeo 147, 1958-1958 American Motors Ambassador, 1958-1958 American Motors American, 1958-1958 American Motors Rambler, 1958-1958 American Motors Rebel, 1959-1960 American Motors American, 1959-1960 American Motors Rambler, 1959-1961 American Motors Rebel, 1959-1964 American Motors Ambassador, 1961-1962 American Motors Classic, 1963-1964 American Motors Classic, 1965-1966 American Motors Ambassador, 1965-1966 American Motors Classic, 1965-1967 American Motors Marlin, 1965-1968 American Motors American, 1966-1966 American Motors Ambassador, 1966-1966 American Motors Rogue, 1966-1967 American Motors Ambassador, 1966-1970 American Motors Rebel, 1967-1967 American Motors Ambassador
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
Part interchange
C-624, CUC12, UC12, UC12T, UC12X, 26189, U505, E552C, 
...View more
item #1000Z61S
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Spectra Premium C-508 Ignition Coil
Spectra PremiumPart # C-508
Spectra Premium C-508 Ignition Coil
52 Reviews
$26.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1990-1992 INFINITI M30, 1991-1993 INFINITI G20, 1994-1994 INFINITI G20, 1995-1996 INFINITI G20, 1993-1998 Mercury Villager, 1988-1989 Nissan 300ZX, 1989-1989 Nissan Pulsar NX, 1989-1990 Nissan 240SX, 1989-1990 Nissan Sentra, 1989-1994 Nissan Maxima, 1990-1990 Nissan Pulsar NX, 1990-1992 Nissan Stanza, 1990-1994 Nissan D21, 1990-1995 Nissan Axxess, 1990-1995 Nissan Pathfinder, 1991-1993 Nissan NX, 1991-1994 Nissan Sentra, 1993-1998 Nissan Quest, 1995-1995 Nissan Pickup, 1995-1996 Nissan Tsuru
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
Part interchange
C-508, CUF38, UF38, 22433KA080, 22433KA081, 2243355S10, 2243353J20, 5079, 
...View more
item #1000Z5R3
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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 1981-1983 Alfa Romeo GTV-6, 1970-1972 Audi Super 90, 1970-1974 Audi 100 Series, 1973-1979 Audi Fox, 1980-1980 Audi 4000, 1968-1972 Austin America, 1973-1975 Austin Marina, 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, 1975-1978 BMW 530i, 1977-1978 BMW 630CSi, 1977-1979 BMW 320i, 1981-1981 Bentley Mulsanne, 1968-1977 Fiat 124, 1970-1973 Fiat 850, 1975-1976 Fiat X-1/9
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
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-707 Ignition Coil
Spectra PremiumPart # C-707
Spectra Premium C-707 Ignition Coil
52 Reviews
$110.99
Quantity Less than 5
Edit ZIP code
3-year warranty
90 days free return
Fits 2005-2005 Saab 9-2X, 2006-2006 Saab 9-2X, 2005-2005 Subaru Forester, 2005-2005 Subaru Forester, 2005-2005 Subaru Impreza, 2005-2005 Subaru Legacy, 2005-2005 Subaru Legacy, 2005-2005 Subaru Outback, 2005-2005 Subaru Outback, 2005-2007 Subaru Forester, 2005-2010 Subaru Impreza, 2006-2007 Subaru Forester, 2006-2009 Subaru Legacy, 2006-2009 Subaru Legacy, 2006-2009 Subaru Outback, 2006-2009 Subaru Outback, 2006-2010 Subaru Impreza, 2007-2007 Subaru Forester, 2007-2007 Subaru Forester, 2007-2007 Subaru Outback
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
Part interchange
C-707, CUF538, UF538T, UF538, 22433AA500, 22433AA580, 22433AA50A, 22433AA58A, 
...View more
item #1000Z4XY
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Spectra Premium C-864 Ignition Coil
Spectra PremiumPart # C-864
Spectra Premium C-864 Ignition Coil
52 Reviews
$143.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2010-2014 Subaru Tribeca, 2010-2019 Subaru Legacy, 2010-2019 Subaru Outback
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
Part interchange
C-864, CUF682, U5357, UF666, 175811, 49125, 22433AA611, 22433AA610, 
...View more
item #1000Z3UV
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Spectra Premium C-854 Ignition Coil
Spectra PremiumPart # C-854
Spectra Premium C-854 Ignition Coil
52 Reviews
$81.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2009-2010 Subaru Forester, 2009-2010 Subaru Forester, 2009-2010 Subaru Forester, 2009-2010 Subaru Forester, 2009-2010 Subaru Forester, 2009-2010 Subaru Forester, 2011-2011 Subaru Impreza, 2011-2011 Subaru Impreza, 2011-2011 Subaru Impreza, 2011-2011 Subaru Impreza
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
Part interchange
C-854, U2101, 522120, UF625, 185804, 22433AA590, CJ31, 3312469904732171, 
...View more
item #1000Z7PE
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Spectra Premium C-585 Ignition Coil
Spectra PremiumPart # C-585
Spectra Premium C-585 Ignition Coil
52 Reviews
$58.99
Quantity Less than 4
Edit ZIP code
3-year warranty
90 days free return
Fits 1997-1997 Subaru Legacy, 1997-1998 Subaru Impreza, 1998-1999 Subaru Legacy
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
Part interchange
C-585, CUF193, 521578, U2056, UF193T, UF193, 48620, 22433AA400, 
...View more
item #1000Z2L2
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Spectra Premium C-870 Ignition Coil
Spectra PremiumPart # C-870
Spectra Premium C-870 Ignition Coil
52 Reviews
$41.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2013-2014 Subaru Impreza, 2013-2014 Subaru Legacy, 2013-2014 Subaru Outback, 2013-2014 Subaru XV, 2013-2014 Subaru XV Crosstrek, 2014-2016 Subaru Forester
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
Part interchange
C-870, U5359, UF723, UF720, UF721, 175801, 49127, 22433AA680, 
...View more
item #1000Z5YN
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Spectra Premium C-897 Ignition Coil
Spectra PremiumPart # C-897
Spectra Premium C-897 Ignition Coil
52 Reviews
$107.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2001-2009 Subaru Outback, 2006-2007 Subaru B9 Tribeca, 2008-2009 Subaru Legacy, 2008-2009 Subaru Tribeca
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
Part interchange
C-897, CUF287, U5190, 368136, 521700, UF287, 175809, 22433AA441, 
...View more
item #1000Z2WP
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Spectra Premium C-876 Ignition Coil
Spectra PremiumPart # C-876
Spectra Premium C-876 Ignition Coil
52 Reviews
$132.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2011-2012 Subaru Forester, 2011-2012 Subaru Forester, 2011-2013 Subaru Forester, 2011-2013 Subaru Forester, 2011-2013 Subaru Forester, 2011-2013 Subaru Forester, 2012-2012 Subaru Impreza, 2013-2013 Subaru Forester
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
Part interchange
C-876, U5401, UF664, 22433AA630, CJ41, GN10726, 3312469904732195, 3312469904732194, 
...View more
item #1000Z4U0
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Spectra Premium C-862 Ignition Coil
Spectra PremiumPart # C-862
Spectra Premium C-862 Ignition Coil
52 Reviews
$84.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2010-2012 Subaru Legacy, 2010-2012 Subaru Legacy, 2010-2012 Subaru Legacy, 2010-2012 Subaru Legacy, 2010-2012 Subaru Legacy, 2010-2012 Subaru Outback, 2012-2012 Subaru Legacy
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
Part interchange
C-862, U5404, UF668, 195808, 22433AA620, 22433AA621, 22433AA62A, CJ50, 
...View more
item #1000Z7A5
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Spectra Premium C-654 Ignition Coil
Spectra PremiumPart # C-654
Spectra Premium C-654 Ignition Coil
52 Reviews
$29.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1960-1963 Alfa Romeo Giulietta, 1967-1968 Alfa Romeo Duetto 1600, 1969-1971 Alfa Romeo GT Veloce, 1970-1977 Alfa Romeo Spider, 1972-1972 Alfa Romeo Berlina, 1957-1958 Austin Healey 100-6, 1958-1965 Austin Healey Sprite, 1959-1967 Austin Healey 3000, 1967-1970 Austin Healey Sprite, 1966-1966 BMW 2000, 1966-1966 BMW 2000c, 1966-1966 BMW 2000cs, 1966-1966 BMW 2000ti, 1966-1969 BMW 1600, 1967-1967 BMW 2000, 1967-1967 BMW 2000c, 1967-1967 BMW 2000cs, 1967-1967 BMW 2000ti, 1967-1968 BMW 2002, 1968-1968 BMW 2002ti
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
Part interchange
C-654, CUF3, CUC15, UF7, UF3, UF3T, 12337168, 9091902015, 
...View more
item #1000Z3R8
Show less
Spectra Premium C-622 Ignition Coil
Spectra PremiumPart # C-622
Spectra Premium C-622 Ignition Coil
52 Reviews
$28.99
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: Subaru
Quantity1
Item LocatedUnited States
Part interchange
C-622, CUC15, UC15, UC15T, 30500634015, 829886102, 981360007, 9825135080, 
...View more
item #1000Z6T1
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Spectra Premium C-552 Ignition Coil
Spectra PremiumPart # C-552
Spectra Premium C-552 Ignition Coil
52 Reviews
$122.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1998-1999 Subaru Legacy, 1999-2001 Subaru Impreza, 1999-2003 Subaru Forester, 2000-2000 Subaru Outback, 2000-2004 Subaru Legacy, 2001-2004 Subaru Outback, 2002-2003 Subaru Impreza, 2003-2003 Subaru Baja, 2004-2004 Subaru Forester, 2004-2004 Subaru Forester, 2004-2004 Subaru Impreza, 2004-2004 Subaru Impreza, 2004-2004 Subaru Impreza, 2004-2006 Subaru Baja, 2005-2005 Subaru Legacy, 2005-2005 Subaru Legacy, 2005-2005 Subaru Outback, 2005-2005 Subaru Outback
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
Part interchange
C-552, CUF240, UF240T, UF324T, UF324, UF240, E581C, 22433AA410, 
...View more
item #1000Z512
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Spectra Premium C-884 Ignition Coil
Spectra PremiumPart # C-884
Spectra Premium C-884 Ignition Coil
52 Reviews
$171.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2010-2012 Subaru Legacy, 2010-2012 Subaru Legacy, 2011-2011 Subaru Impreza, 2011-2011 Subaru Impreza, 2011-2011 Subaru Impreza, 2011-2011 Subaru Impreza, 2011-2011 Subaru Impreza, 2011-2012 Subaru Forester, 2011-2013 Subaru Forester, 2011-2013 Subaru Forester, 2012-2013 Subaru Forester, 2012-2014 Subaru Impreza, 2012-2014 Subaru WRX, 2013-2020 Subaru WRX STI, 2015-2016 Subaru WRX, 2021-2021 Subaru WRX STI
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
Part interchange
C-884, CUF665, U5354, UF665, 175806, MPSMF665, 22433AA600, 22433AA601, 
...View more
item #1000Z4U5
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Spectra Premium C-515 Ignition Coil
Spectra PremiumPart # C-515
Spectra Premium C-515 Ignition Coil
52 Reviews
$48.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1990-1990 Subaru Legacy, 1991-1994 Subaru Legacy, 1991-1994 Subaru Legacy, 1991-1994 Subaru Legacy, 1992-1993 Subaru Legacy, 1992-1993 Subaru Legacy, 1993-1994 Subaru Legacy, 1994-1994 Subaru Legacy, 1994-1994 Subaru Legacy, 1994-1994 Subaru Legacy, 1994-1994 Subaru Legacy, 1994-1994 Subaru Legacy, 1995-1996 Subaru Impreza, 1995-1996 Subaru Legacy, 1998-1998 Subaru Forester, 1998-1998 Subaru Impreza
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
Part interchange
C-515, CUF159, 521524, U2047, 361203, UF159T, UF159, 88921262, 
...View more
item #1000Z2A4
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Spectra Premium C-910 Ignition Coil
Spectra PremiumPart # C-910
Spectra Premium C-910 Ignition Coil
52 Reviews
$54.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2015-2016 Subaru WRX, 2015-2019 Subaru Legacy, 2015-2019 Subaru Outback, 2017-2018 Subaru Forester, 2017-2020 Subaru WRX
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
Part interchange
C-910, U5352, UF767, 175802, IC874, 49120, 22433AA70B, 22433AA70A, 
...View more
item #1000Z6QE
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Standard UF873 Ignition Coil
StandardPart # UF873
Standard UF873 Ignition Coil
4.542 Reviews
$166.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Fits 2019-2023 Subaru Ascent, 2020-2024 Subaru Legacy, 2020-2024 Subaru Outback
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
ColorBlack
Part interchange
UF873, IC980, E1373, C50092DL, 22433AA82A, 5C2305
item #10016TV4
Show less
Standard UF874 Ignition Coil
StandardPart # UF874
Standard UF874 Ignition Coil
4.542 Reviews
$159.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2019-2023 Subaru Forester, 2020-2020 Subaru Outback, 2020-2022 Subaru Legacy, 2021-2024 Subaru Crosstrek, 2022-2023 Subaru BRZ
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Subaru
Quantity1
Item LocatedUnited States
ColorBlack
Part interchange
UF874, 178-8586, IC981, E1374, 22433AA770, 5C2306, EBA1932
item #10016RAX
Show less
Page 6 of 8

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.