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Buick Regal Ignition Coil

55 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 921-2343 Ignition CoilWalker Products 921-2343 Ignition Coil
Walker ProductsPart # 921-2343
Walker Products 921-2343 Ignition Coil
4.330 Reviews
$49.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2020-2020 Cadillac CT5, 2020-2020 Cadillac XT5, 2020-2020 Cadillac XT6, 2019-2020 Chevrolet Blazer, 2018-2020 Buick Regal Sportback, 2018-2019 Buick LaCrosse, 2017-2020 Chevrolet Colorado, 2017-2020 GMC Acadia, 2017-2020 GMC Canyon, 2017-2019 Cadillac ATS, 2017-2019 Cadillac ATS, 2017-2019 Cadillac CTS, 2017-2019 Cadillac XT5, 2017-2017 Buick LaCrosse, 2016-2020 Cadillac CT6, 2016-2020 Chevrolet Camaro, 2016-2019 Cadillac CT6, 2016-2019 Cadillac CTS, 2016-2019 Cadillac CTS, 2016-2017 Cadillac ATS
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Quantity1
Item LocatedUnited States
Part interchange
921-2343, 49118, GN10889, UF830, 12666339, 5C2094, C962, C-962
item #1001L58N
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Beck/Arnley 178-8206 Ignition Coil
Beck/ArnleyPart # 178-8206
Beck/Arnley 178-8206 Ignition Coil
4.644 Reviews
$58.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006-2008 Buick Lucerne, 2005-2009 Buick Allure, 2005-2009 Buick LaCrosse, 2005-2008 Pontiac Grand Prix, 2005-2005 Pontiac Montana, 2004-2005 Buick Rendezvous, 2004-2005 Pontiac Bonneville, 2002-2003 Buick Rendezvous, 2002-2002 Pontiac Sunfire, 2002-2002 Pontiac Sunfire, 2002-2002 Pontiac Sunfire, 2001-2005 Pontiac Aztek, 2000-2005 Chevrolet Impala, 2000-2005 Chevrolet Monte Carlo, 2000-2003 Chevrolet Malibu, 1999-2005 Pontiac Grand Am, 1999-2004 Oldsmobile Alero, 1999-2004 Pontiac Montana, 1999-1999 Oldsmobile Intrigue, 1998-1999 Chevrolet Monte Carlo
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Quantity1
Item LocatedUnited States
Part interchange
178-8206
item #1000X287
Show less
1 pc Ignition Coil | 4-Blade Terminal | Aisin ESCGM-00117
AisinPart # ESCGM-00117
1 pc Ignition Coil | 4-Blade Terminal | Aisin ESCGM-00117
4.6635 Reviews
$32.99
Low stock: Only 4 left
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2023 - 2023 Cadillac XT5, 2023 - 2023 Cadillac XT6, 2020 - 2021 Cadillac CT5, 2020 - 2021 Cadillac XT6, 2019 - 2025 Chevrolet Blazer, 2018 - 2020 Buick Regal Sportback, 2017 - 2022 Chevrolet Colorado, 2017 - 2021 Cadillac XT5, 2017 - 2019 Buick LaCrosse, 2017 - 2019 GMC Canyon, 2016 - 2021 Chevrolet Camaro, 2016 - 2020 Cadillac CT6, 2016 - 2020 GMC Acadia, 2016 - 2019 Cadillac ATS, 2016 - 2019 Cadillac CTS, 2016 - 2018 Cadillac CT6
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Quantity1
Item LocatedUnited States
Part interchange
12666339, 12707304
ConditionNew
item #10186LXS
Show less
Delphi GN10485 Ignition Coil
DelphiPart # GN10485
Delphi GN10485 Ignition Coil
52 Reviews
$52.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2014-2017 Buick Regal, 2014-2014 Chevrolet Impala, 2012-2017 Buick Verano, 2012-2015 Chevrolet Captiva Sport, 2011-2013 Buick Regal, 2011-2011 Saab 9-5, 2010-2017 Chevrolet Equinox, 2010-2017 GMC Terrain, 2010-2016 Buick LaCrosse, 2008-2014 Chevrolet Malibu, 2008-2010 Chevrolet Cobalt, 2007-2011 Chevrolet HHR, 2007-2010 Pontiac G5, 2007-2010 Saturn Sky, 2007-2010 Saturn Vue, 2007-2009 Saturn Aura, 2007-2008 Chevrolet Malibu, 2007-2007 Chevrolet Cobalt, 2007-2007 Saturn Ion, 2006-2010 Pontiac G6
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Quantity1
Item LocatedUnited States
Part interchange
GN10485, 5C1609, C1552, C1809, D522C, CLS1136, 921-2090, 921-2109, 
...View more
item #1001W52N
Show less
Ignition Coil - Delphi GN10190
DelphiPart # GN10190
Ignition Coil - Delphi GN10190
52 Reviews
$45.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1994-1995 Cadillac DeVille, 1993-1993 Cadillac 60 Special, 1993-1993 Cadillac Eldorado, 1993-1993 Cadillac Seville, 1992-1993 Cadillac Commercial Chassis, 1991-1993 Cadillac DeVille, 1991-1992 Cadillac Fleetwood, 1991-1991 Cadillac Commercial Chassis, 1990-1991 Chevrolet Corvette, 1990-1990 Cadillac Brougham, 1988-1988 Oldsmobile Cutlass Supreme, 1987-1992 Cadillac Allante, 1987-1989 Cadillac Brougham, 1987-1989 Pontiac Safari, 1987-1987 Chevrolet Caprice, 1986-1992 Cadillac Eldorado, 1986-1992 Cadillac Seville, 1986-1990 Chevrolet Caprice, 1986-1990 Oldsmobile Custom Cruiser, 1986-1987 Buick Regal
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Quantity1
Item LocatedUnited States
Part interchange
GN10190, 5C1060, C833, D505A, CLS1133, 920-1037, 7B8, 12498336, 
...View more
item #1001VXND
Note
3 Wire Connectors
Black has Ring Terminal
Red & White have U shape Terminals
Show less
Ignition Coil - Delphi GN10889
DelphiPart # GN10889
Ignition Coil - Delphi GN10889
52 Reviews
$66.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2021-2022 Cadillac XT6, 2020-2022 Cadillac CT5, 2020-2022 Cadillac XT5, 2020-2020 Cadillac XT6, 2019-2022 Chevrolet Blazer, 2018-2020 Buick Regal Sportback, 2018-2019 Buick LaCrosse, 2017-2022 Chevrolet Colorado, 2017-2022 GMC Acadia, 2017-2022 GMC Canyon, 2017-2019 Cadillac ATS, 2017-2019 Cadillac ATS, 2017-2019 Cadillac CTS, 2017-2019 Cadillac XT5, 2017-2017 Buick LaCrosse, 2016-2022 Chevrolet Camaro, 2016-2020 Cadillac CT6, 2016-2019 Cadillac CT6, 2016-2019 Cadillac CTS, 2016-2019 Cadillac CTS
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Quantity1
Item LocatedUnited States
Part interchange
GN10889, E1330, 12707304, 12666339, IC937, UF830, EBC1186
item #1001W99K
Show less
Ignition Coil - Delphi GN10123
DelphiPart # GN10123
Ignition Coil - Delphi GN10123
52 Reviews
$48.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2006-2008 Buick Lucerne, 2005-2009 Buick LaCrosse, 2005-2008 Pontiac Grand Prix, 2005-2005 Pontiac Montana, 2004-2005 Buick Rendezvous, 2004-2005 Pontiac Bonneville, 2002-2003 Buick Rendezvous, 2002-2002 Chevrolet Cavalier, 2002-2002 Chevrolet Cavalier, 2002-2002 Chevrolet Cavalier, 2002-2002 Chevrolet Cavalier, 2002-2002 Chevrolet Cavalier, 2002-2002 Chevrolet Cavalier, 2002-2002 Pontiac Sunfire, 2002-2002 Pontiac Sunfire, 2002-2002 Pontiac Sunfire, 2001-2005 Pontiac Aztek, 2000-2005 Chevrolet Impala, 2000-2003 Chevrolet Malibu, 1999-2005 Pontiac Grand Am
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Quantity1
Item LocatedUnited States
Part interchange
GN10123, 5C1058, 5C1077, 26221, C1316, C-849, D540, D545, 
...View more
item #1001VXLV
Note
Connector Interfaces with Module
Show less
Ignition Coil - Delphi GN10139
DelphiPart # GN10139
Ignition Coil - Delphi GN10139
52 Reviews
$115.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1992-1992 Buick LeSabre, 1992-1992 Buick Park Avenue, 1992-1992 Oldsmobile 88, 1992-1992 Oldsmobile 98, 1992-1992 Pontiac Bonneville, 1991-1991 Buick LeSabre, 1991-1991 Buick Park Avenue, 1990-1990 Buick Electra, 1989-1991 Oldsmobile Delta 88, 1989-1989 Pontiac Firebird, 1988-1991 Oldsmobile 98, 1988-1991 Pontiac Bonneville, 1988-1990 Buick LeSabre, 1988-1990 Buick Reatta, 1988-1990 Buick Riviera, 1988-1990 Oldsmobile Toronado, 1988-1989 Buick Electra, 1988-1988 Oldsmobile Cutlass Calais, 1987-1988 Oldsmobile Cutlass Cruiser, 1987-1988 Oldsmobile Delta 88
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Quantity1
Item LocatedUnited States
Part interchange
GN10139, 5C1061, C860, D552, E45, E45P, E48, 920-1038, 
...View more
item #1001VVYH
Note
Coils without Module. Blades Interface with Modules
Show less
Ignition Coil - Delphi GN10682
DelphiPart # GN10682
Ignition Coil - Delphi GN10682
52 Reviews
$87.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2019-2021 Chevrolet Blazer, 2018-2020 Buick Regal Sportback, 2018-2020 Buick Regal TourX, 2018-2020 Chevrolet Equinox, 2018-2020 GMC Terrain, 2018-2019 Buick LaCrosse, 2018-2019 Chevrolet Traverse, 2017-2021 GMC Acadia, 2016-2022 Chevrolet Camaro, 2016-2022 Chevrolet Malibu, 2016-2020 Buick Envision, 2016-2018 Cadillac CT6, 2016-2016 Chevrolet Malibu Limited, 2015-2022 Chevrolet Colorado, 2015-2022 GMC Canyon, 2015-2015 Chevrolet Malibu, 2014-2019 Cadillac CTS, 2014-2019 Chevrolet Impala, 2014-2017 Buick Regal, 2013-2019 Cadillac ATS
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Quantity1
Item LocatedUnited States
Part interchange
GN10682, 5C1884, C1827, 12654078, E1180, 36-8275, 12652405, 12687140, 
...View more
item #1001W951
Show less
1 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC0271SOLD OUT
A-Premium®Part # APIC0271
1 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC0271
4.6635 Reviews
$24.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2023 - 2023 Cadillac XT5, 2023 - 2023 Cadillac XT6, 2020 - 2021 Cadillac CT5, 2020 - 2021 Cadillac XT6, 2019 - 2025 Chevrolet Blazer, 2018 - 2020 Buick Regal Sportback, 2017 - 2022 Chevrolet Colorado, 2017 - 2021 Cadillac XT5, 2017 - 2019 Buick LaCrosse, 2017 - 2019 GMC Canyon, 2016 - 2021 Chevrolet Camaro, 2016 - 2020 Cadillac CT6, 2016 - 2020 GMC Acadia, 2016 - 2019 Cadillac ATS, 2016 - 2019 Cadillac CTS, 2016 - 2018 Cadillac CT6
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Item LocatedUnited States
Installation PositionFront Side
ColorBlack
ConditionNew
item #1002Q4V4
Show less
Direct Ignition Coil - Denso 673-7201SOLD OUT
DensoPart # 673-7201
Direct Ignition Coil - Denso 673-7201
4.526 Reviews
$58.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2017-2017 Buick Regal, 2014-2016 Buick Regal, 2014-2014 Chevrolet Impala, 2012-2017 Buick Verano, 2012-2015 Chevrolet Captiva Sport, 2011-2013 Buick Regal, 2011-2011 Saab 9-5, 2010-2017 Chevrolet Equinox, 2010-2017 GMC Terrain, 2010-2016 Buick LaCrosse, 2008-2014 Chevrolet Malibu, 2008-2010 Chevrolet Cobalt, 2007-2011 Chevrolet HHR, 2007-2010 Pontiac G6, 2007-2010 Saturn Sky, 2007-2010 Saturn Vue, 2007-2009 Pontiac G5, 2007-2009 Saturn Aura, 2007-2008 Chevrolet Malibu, 2007-2007 Chevrolet Cobalt
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Quantity1
Item LocatedUnited States
ColorBlack
Part interchange
673-7201, C-706, IC571, U5180, 12578224, 12638824, D522C, 12589623, 
...View more
item #1002H9PS
Show less
Direct Ignition Coil - Denso 673-7206SOLD OUT
DensoPart # 673-7206
Direct Ignition Coil - Denso 673-7206
4.526 Reviews
$60.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2021-2023 Cadillac XT6, 2020-2023 Cadillac CT5, 2020-2023 Cadillac XT5, 2020-2020 Cadillac XT6, 2019-2023 Chevrolet Blazer, 2018-2020 Buick Regal Sportback, 2018-2019 Buick LaCrosse, 2017-2023 GMC Acadia, 2017-2022 Chevrolet Colorado, 2017-2022 GMC Canyon, 2017-2019 Cadillac ATS, 2017-2019 Cadillac ATS, 2017-2019 Cadillac CTS, 2017-2019 Cadillac XT5, 2017-2017 Buick LaCrosse, 2016-2023 Chevrolet Camaro, 2016-2020 Cadillac CT6, 2016-2019 Cadillac CT6, 2016-2019 Cadillac CTS, 2016-2019 Cadillac CTS
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Quantity1
Item LocatedUnited States
ColorBlack
Part interchange
673-7206, 12666339, 12707304, GN10889, UF830
item #1002HDC8
Show less
Spectra Premium C-624 Ignition CoilSOLD OUT
Spectra PremiumPart # C-624
Spectra Premium C-624 Ignition Coil
52 Reviews
$27.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 2002-2002 Alfa Romeo 147, 1992-1992 Eagle Vista, 1990-1992 Toyota Pickup, 1989-1992 Toyota 4Runner, 1989-1991 Eagle Vista, 1989-1990 Chevrolet Tracker, 1989-1990 Geo Tracker, 1989-1990 GMC Tracker, 1989-1990 Suzuki Sidekick, 1989-1989 Dodge Raider, 1989-1989 Mitsubishi Montero, 1989-1989 Toyota 4Runner, 1988-1988 Eagle Vista, 1988-1988 Toyota 4Runner, 1987-1988 Dodge Raider, 1987-1987 Dodge Colt, 1987-1987 Hyundai Stellar, 1987-1987 Mazda B2000, 1987-1987 Nissan Pulsar NX, 1987-1987 Plymouth Colt
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Quantity1
Item LocatedUnited States
Part interchange
C-624, CUC12, UC12, UC12T, UC12X, 26189, U505, E552C, 
...View more
item #1000Z61S
Show less
Spectra Premium C-621 Ignition CoilSOLD OUT
Spectra PremiumPart # C-621
Spectra Premium C-621 Ignition Coil
52 Reviews
$29.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1994-1995 Cadillac DeVille, 1993-1993 Cadillac 60 Special, 1993-1993 Cadillac Eldorado, 1993-1993 Cadillac Seville, 1992-1993 Cadillac Commercial Chassis, 1991-1993 Cadillac DeVille, 1991-1992 Cadillac Fleetwood, 1991-1991 Cadillac Commercial Chassis, 1990-1991 Chevrolet Corvette, 1990-1990 Cadillac Brougham, 1989-1990 Chevrolet Caprice, 1988-1992 Cadillac Eldorado, 1988-1988 Chevrolet Caprice, 1988-1988 Oldsmobile Cutlass Supreme, 1987-1992 Cadillac Allante, 1987-1989 Cadillac Brougham, 1987-1989 Pontiac Safari, 1987-1987 Buick Regal, 1987-1987 Chevrolet Caprice, 1986-1992 Cadillac Seville
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Quantity1
Item LocatedUnited States
Part interchange
C-621, CDR32, U1174, DR32, DR32T, D555A, D505A, 161105, 
...View more
item #1000Z4T8
Show less
Walker Products 920-1038 Ignition CoilSOLD OUT
Walker ProductsPart # 920-1038
Walker Products 920-1038 Ignition Coil
4.330 Reviews
$66.99
Enter ZIP codeFree standard shipping
3-year warranty
90 days free return
Fits 1992-1992 Oldsmobile 88, 1991-1992 Buick LeSabre, 1991-1992 Buick Park Avenue, 1990-1990 Buick Electra, 1990-1990 Buick Reatta, 1989-1990 Oldsmobile Delta 88, 1989-1989 Pontiac Firebird, 1988-1991 Oldsmobile 98, 1988-1989 Buick Electra, 1988-1989 Buick Reatta, 1988-1988 Oldsmobile Cutlass Calais, 1988-1988 Oldsmobile Cutlass Ciera, 1988-1988 Oldsmobile Cutlass Ciera, 1988-1988 Pontiac 6000, 1987-1992 Pontiac Bonneville, 1987-1988 Oldsmobile Delta 88, 1987-1987 Buick Somerset, 1986-1990 Buick LeSabre, 1986-1990 Buick Riviera, 1986-1990 Oldsmobile Toronado
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Buick Regal
Quantity1
Item LocatedUnited States
Part interchange
920-1038, 5191, IC-76, D-843, IC-28, IC28SB, GN10139, DC-62, 
...View more
item #1001L554
Show less
Page 3 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.

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