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Saab Ignition Coil

30 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 | 4-Blade Terminal | A-Premium IC00246 pc Ignition Coil | 4-Blade Terminal | A-Premium IC0024
A-Premium®Part # IC0024
6 pc Ignition Coil | 4-Blade Terminal | A-Premium IC0024
4.744 Reviews
CA$103.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2010 - 2010 Buick Allure, 2008 - 2008 Buick Enclave, 2010 - 2010 Buick LaCrosse, 2010 - 2016 Buick LaCrosse, 2013 - 2019 Cadillac ATS, 2022 - 2024 Cadillac CT4, 2010 - 2014 Cadillac CTS, 2010 - 2013 Cadillac CTS, 2008 - 2009 Cadillac CTS, 2010 - 2011 Cadillac SRX, 2010 - 2011 Cadillac SRX, 2007 - 2009 Cadillac SRX, 2010 - 2011 Cadillac STS, 2013 - 2019 Cadillac XTS, 2010 - 2015 Chevrolet Camaro, 2012 - 2017 Chevrolet Caprice, 2012 - 2015 Chevrolet Captiva Sport, 2015 - 2016 Chevrolet Colorado, 2010 - 2012 Chevrolet Equinox, 2008 - 2009 Chevrolet Equinox
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Quantity6
Item LocatedCanada
Installation PositionFront Side
ColorBlack
item #1002PWA5
Show less
4 pc Ignition Coil | 3-Blade Terminal | A-Premium IC0009
A-Premium®Part # IC0009
4 pc Ignition Coil | 3-Blade Terminal | A-Premium IC0009
4.744 Reviews
CA$87.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2005 - 2005 Saab 9-2X, 2003 - 2005 Subaru Impreza
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Item LocatedCanada
Installation PositionFront Side
ColorBlack & Gray
item #1002Q1W8
Note
It fits the model with H4 2.0L Turbocharged Engine Only.
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1 pc Ignition Coil | 3-Blade Terminal | A-Premium IC0008
A-Premium®Part # IC0008
1 pc Ignition Coil | 3-Blade Terminal | A-Premium IC0008
4.744 Reviews
CA$46.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2005 - 2005 Saab 9-2X, 2003 - 2005 Subaru Impreza
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Item LocatedCanada
Installation PositionFront Side
ColorBlack & Gray
item #1002Q5HS
Note
It fits the model with H4 2.0L Turbocharged Engine Only.
Show less
1 pc Ignition Coil | 4-Blade Terminal | A-Premium IC0023
A-Premium®Part # IC0023
1 pc Ignition Coil | 4-Blade Terminal | A-Premium IC0023
4.744 Reviews
CA$42.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2007 - 2008 GMC Acadia, 2010 - 2011 Saab 9-5, 2010 - 2012 Chevrolet Equinox, 2016 - 2018 Chevrolet Impala, 2010 - 2012 GMC Terrain, 2012 - 2017 Chevrolet Caprice, 2009 - 2010 Suzuki Grand Vitara, 2012 - 2020 Chevrolet Impala, 2010 - 2016 GMC Acadia, 2012 - 2016 Cadillac SRX, 2007 - 2009 Cadillac SRX, 2015 - 2016 GMC Canyon, 2010 - 2010 Buick Allure, 2008 - 2009 Chevrolet Equinox, 2010 - 2011 Cadillac SRX, 2008 - 2008 Buick Enclave, 2013 - 2019 Cadillac XTS, 2007 - 2009 Suzuki XL-7, 2022 - 2024 Cadillac CT4, 2010 - 2010 Buick Allure
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Quantity1
Item LocatedCanada
Installation PositionFront Side
ColorBlack
item #1002PZH5
Show less
1 pc Ignition Coil | 3-Blade Terminal | A-Premium IC0078
A-Premium®Part # IC0078
1 pc Ignition Coil | 3-Blade Terminal | A-Premium IC0078
4.744 Reviews
CA$36.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2004 - 2006 GMC Canyon, 2004 - 2005 Buick Rainier, 2008 - 2008 Isuzu Ascender, 2007 - 2008 Isuzu i-290, 2007 - 2008 Isuzu i-370, 2002 - 2005 Chevrolet Trailblazer EXT, 2006 - 2006 Isuzu i-280, 2002 - 2005 GMC Envoy XL, 2002 - 2004 Oldsmobile Bravada, 2004 - 2006 Chevrolet Colorado, 2006 - 2006 Isuzu i-350, 2004 - 2006 Chevrolet Colorado, 2004 - 2005 GMC Envoy XUV, 2002 - 2005 GMC Envoy, 2005 - 2005 Saab 9-7x, 2004 - 2006 GMC Canyon, 2002 - 2005 Chevrolet Trailblazer, 2003 - 2005 Isuzu Ascender, 2006 - 2006 Hummer H3
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Quantity1
Item LocatedCanada
Installation PositionFront Side
ColorBlack
item #1002PVSE
Show less
6 pc Ignition Coil | 4-Blade Terminal | A-Premium IC0136
A-Premium®Part # IC0136
6 pc Ignition Coil | 4-Blade Terminal | A-Premium IC0136
4.744 Reviews
CA$104.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2005 - 2008 Buick Allure, 2009 - 2009 Buick Enclave, 2005 - 2008 Buick LaCrosse, 2004 - 2006 Buick Rendezvous, 2004 - 2007 Cadillac CTS, 2005 - 2007 Cadillac CTS, 2008 - 2009 Cadillac CTS, 2004 - 2006 Cadillac SRX, 2005 - 2009 Cadillac STS, 2009 - 2009 Chevrolet Traverse, 2007 - 2008 Chevrolet Vectra, 2009 - 2009 GMC Acadia, 2006 - 2009 Saab 9-3, 2009 - 2009 Saturn Outlook
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Quantity6
Item LocatedCanada
Installation PositionFront Side
ColorBlack
item #1002PVGR
Show less
1 pc Ignition Coil | 4-Blade Terminal | A-Premium IC0052
A-Premium®Part # IC0052
1 pc Ignition Coil | 4-Blade Terminal | A-Premium IC0052
4.744 Reviews
CA$45.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003 - 2011 Saab 9-3, 2010 - 2011 Saab 9-3X
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Item LocatedCanada
Installation PositionFront Side
ColorBlack
item #1002Q2NC
Note
It only fits the vehicle with turbocharged engine.
Show less
1 pc Ignition Coil | 4-Blade Terminal | A-Premium IC0180
A-Premium®Part # IC0180
1 pc Ignition Coil | 4-Blade Terminal | A-Premium IC0180
4.744 Reviews
CA$65.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2005 - 2006 Saab 9-2X, 2005 - 2008 Subaru Forester, 2008 - 2008 Subaru Impreza, 2005 - 2010 Subaru Impreza, 2009 - 2010 Subaru Impreza R, 2008 - 2010 Subaru Impreza Sport, 2008 - 2008 Subaru Legacy, 2006 - 2009 Subaru Legacy, 2005 - 2005 Subaru Legacy, 2006 - 2009 Subaru Outback, 2005 - 2005 Subaru Outback
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Quantity1
Item LocatedCanada
Installation PositionFront Side
ColorBlack
item #1002Q2WX
Show less
4 pc Ignition Coil | 4-Blade Terminal | A-Premium IC0061
A-Premium®Part # IC0061
4 pc Ignition Coil | 4-Blade Terminal | A-Premium IC0061
4.744 Reviews
CA$92.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003 - 2011 Saab 9-3, 2010 - 2011 Saab 9-3X
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Item LocatedCanada
Installation PositionFront Side
ColorBlack
item #1002Q3GK
Note
The item only fits the vehicle with turbocharged engine.
Show less
1 pc Ignition Coil | 4-Blade Terminal | A-Premium IC0135
A-Premium®Part # IC0135
1 pc Ignition Coil | 4-Blade Terminal | A-Premium IC0135
4.744 Reviews
CA$45.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2005 - 2008 Buick Allure, 2009 - 2009 Buick Enclave, 2005 - 2008 Buick LaCrosse, 2004 - 2006 Buick Rendezvous, 2004 - 2007 Cadillac CTS, 2005 - 2007 Cadillac CTS, 2008 - 2009 Cadillac CTS, 2004 - 2006 Cadillac SRX, 2005 - 2009 Cadillac STS, 2009 - 2009 Chevrolet Traverse, 2007 - 2008 Chevrolet Vectra, 2009 - 2009 GMC Acadia, 2006 - 2009 Saab 9-3, 2009 - 2009 Saturn Outlook
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Item LocatedCanada
Installation PositionFront Side
ColorBlack
item #1002Q3L8
Note
For 2008-2009 Cadillac CTS, 4 Blade Terminal.
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8 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC1041
A-Premium®Part # APIC1041
8 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC1041
4.744 Reviews
CA$153.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2008 - 2009 Hummer H2, 2007 - 2014 GMC Yukon, 2016 - 2019 Chevrolet Suburban 3500 HD, 2007 - 2009 GMC Sierra 1500, 2006 - 2007 Cadillac CTS, 2009 - 2012 Chevrolet Colorado, 2008 - 2014 GMC Savana 1500, 2011 - 2017 Chevrolet Express 2500, 2010 - 2010 GMC W4500 Forward, 2007 - 2009 Chevrolet Tahoe, 2009 - 2019 GMC Sierra 2500 HD, 2009 - 2009 Chevrolet Express 4500, 2007 - 2014 GMC Yukon, 2007 - 2013 Chevrolet Avalanche, 2014 - 2020 Chevrolet Express 2500, 2016 - 2019 Chevrolet LCF 4500, 2009 - 2020 GMC Savana 4500, 2007 - 2009 Isuzu NPR, 2009 - 2009 Cadillac Escalade, 2008 - 2017 GMC Savana 2500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Quantity8
Item LocatedCanada
ColorRed
item #10026VWP
Note
It comes with Square Coil.
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4 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC0048
A-Premium®Part # APIC0048
4 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC0048
4.744 Reviews
CA$83.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2006 - 2008 Chevrolet Cobalt, 2007 - 2008 Chevrolet Malibu, 2007 - 2010 Saturn Sky, 2007 - 2011 Chevrolet HHR, 2007 - 2009 Saturn Aura, 2006 - 2010 Pontiac G6, 2007 - 2010 Saturn Sky, 2013 - 2015 Buick Verano, 2006 - 2007 Saturn Ion, 2010 - 2017 GMC Terrain, 2012 - 2012 Fisker Karma, 2012 - 2014 Chevrolet Orlando, 2007 - 2010 Chevrolet Cobalt, 2011 - 2017 Buick Regal, 2011 - 2011 Saab 9-5, 2012 - 2015 Chevrolet Captiva Sport, 2007 - 2010 Pontiac G5, 2006 - 2009 Pontiac Solstice, 2012 - 2017 Buick Verano, 2007 - 2009 Pontiac Solstice
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Quantity4
Item LocatedCanada
Installation PositionFront Side
ColorBlack
item #100015PH
Show less
1 pc Ignition Coil | 10-Blade Terminal | A-Premium APIC0077
A-Premium®Part # APIC0077
1 pc Ignition Coil | 10-Blade Terminal | A-Premium APIC0077
4.744 Reviews
CA$124.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1994 - 1997 Saab 900, 1998 - 1998 Saab 900, 1999 - 1999 Saab 9-3, 1990 - 1998 Saab 9000, 1994 - 1997 Saab 900
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Quantity1
Item LocatedCanada
Installation PositionFront Side
ColorRed
item #1002QWZK
Show less
8 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC1074
A-Premium®Part # APIC1074
8 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC1074
4.744 Reviews
CA$159.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2008 - 2009 Hummer H2, 2007 - 2014 GMC Yukon, 2016 - 2019 Chevrolet Suburban 3500 HD, 2007 - 2009 GMC Sierra 1500, 2006 - 2007 Cadillac CTS, 2008 - 2014 GMC Savana 1500, 2009 - 2012 Chevrolet Colorado, 2011 - 2011 Workhorse Custom Chassis W62, 2011 - 2017 Chevrolet Express 2500, 2010 - 2010 GMC W4500 Forward, 2009 - 2019 GMC Sierra 2500 HD, 2007 - 2009 Chevrolet Tahoe, 2009 - 2009 Chevrolet Express 4500, 2007 - 2014 GMC Yukon, 2014 - 2020 Chevrolet Express 2500, 2007 - 2013 Chevrolet Avalanche, 2016 - 2019 Chevrolet LCF 4500, 2009 - 2020 GMC Savana 4500, 2009 - 2009 Cadillac Escalade, 2008 - 2017 GMC Savana 2500
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Quantity8
Item LocatedCanada
ColorYellow
item #100265NV
Note
It comes with Square Coil.
Show less
6 pc Ignition Coil | 3-Blade Terminal | A-Premium APIC1088
A-Premium®Part # APIC1088
6 pc Ignition Coil | 3-Blade Terminal | A-Premium APIC1088
4.744 Reviews
CA$148.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2004 - 2005 Buick Rainier, 2002 - 2005 Chevrolet Trailblazer, 2002 - 2005 Chevrolet Trailblazer EXT, 2002 - 2005 GMC Envoy, 2002 - 2005 GMC Envoy XL, 2004 - 2005 GMC Envoy XUV, 2003 - 2005 Isuzu Ascender, 2008 - 2008 Isuzu Ascender, 2002 - 2004 Oldsmobile Bravada, 2005 - 2005 Saab 9-7x
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Quantity6
Item LocatedCanada
ColorBlue
Part interchange
UF303T, 12568062, 71760623, 8125690620, DW01659
item #1002LR7D
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8 pc Ignition Coil | 4-Pin Terminal | A-Premium APIC0028
A-Premium®Part # APIC0028
8 pc Ignition Coil | 4-Pin Terminal | A-Premium APIC0028
4.744 Reviews
CA$138.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2008 - 2009 Hummer H2, 2016 - 2019 Chevrolet Suburban 3500 HD, 2007 - 2009 GMC Sierra 1500, 2006 - 2007 Cadillac CTS, 2008 - 2014 GMC Savana 1500, 2009 - 2012 Chevrolet Colorado, 2007 - 2009 Chevrolet Tahoe, 2007 - 2014 GMC Yukon, 2008 - 2017 Chevrolet Express 2500, 2010 - 2015 Chevrolet Camaro, 2007 - 2013 Chevrolet Avalanche, 2016 - 2019 Chevrolet LCF 4500, 2009 - 2020 GMC Savana 4500, 2003 - 2010 Chevrolet W4500 Tiltmaster, 2009 - 2020 Chevrolet Express 4500, 2008 - 2017 GMC Savana 2500, 2006 - 2009 Chevrolet Trailblazer, 2013 - 2013 Chevrolet Silverado 1500, 2008 - 2014 Chevrolet Express 1500, 2006 - 2009 Chevrolet Impala
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Item LocatedCanada
Installation PositionFront Side
ColorBlack
item #1002R5R1
Note
It is Square Coil, Not Round Coil.
Show less
6 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC1216
A-Premium®Part # APIC1216
6 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC1216
4.744 Reviews
CA$141.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2005 - 2009 Buick Allure, 2009 - 2009 Buick Enclave, 2005 - 2008 Buick LaCrosse, 2004 - 2006 Buick Rendezvous, 2005 - 2007 Cadillac CTS, 2004 - 2009 Cadillac CTS, 2004 - 2006 Cadillac SRX, 2005 - 2009 Cadillac STS, 2009 - 2009 Chevrolet Traverse, 2009 - 2009 GMC Acadia, 2006 - 2009 Saab 9-3, 2009 - 2009 Saturn Outlook
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Quantity6
Item LocatedCanada
ColorRed
Part interchange
12566569, 12583514, 12590954, 12613057, 12629037, 19418102, C1508, C1645, 
...View more
item #1002LNPC
Show less
4 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC1078
A-Premium®Part # APIC1078
4 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC1078
4.744 Reviews
CA$112.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003 - 2011 Saab 9-3, 2010 - 2011 Saab 9-3X
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Quantity4
Item LocatedCanada
ColorYellow
Part interchange
UF526, 12787707, H6T60271
item #1002LUGC
Show less
6 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC1222
A-Premium®Part # APIC1222
6 pc Ignition Coil | 4-Blade Terminal | A-Premium APIC1222
4.744 Reviews
CA$119.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2022 - 2023 GMC Acadia, 2007 - 2008 GMC Acadia, 2010 - 2012 Chevrolet Equinox, 2010 - 2011 Saab 9月5日, 2010 - 2012 GMC Terrain, 2014 - 2014 Chevrolet Captiva Sport, 2012 - 2017 Chevrolet Caprice, 2009 - 2010 Suzuki Grand Vitara, 2012 - 2020 Chevrolet Impala, 2010 - 2016 GMC Acadia, 2012 - 2016 Cadillac SRX, 2007 - 2009 Cadillac SRX, 2015 - 2016 GMC Canyon, 2008 - 2009 Chevrolet Equinox, 2008 - 2013 Cadillac CTS, 2010 - 2011 Cadillac SRX, 2008 - 2008 Buick Enclave, 2013 - 2019 Cadillac XTS, 2007 - 2009 Suzuki XL-7, 2010 - 2011 Cadillac STS
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Quantity6
Item LocatedCanada
ColorRed
Part interchange
12590990, 12610626, 12618542, 12632479, 15782683, 3340078J00, 3340078J01, 3340078J02, 
...View more
item #1002GN0L
Show less
6 pc Ignition Coil | 3-Blade Terminal | A-Premium APIC1142
A-Premium®Part # APIC1142
6 pc Ignition Coil | 3-Blade Terminal | A-Premium APIC1142
4.744 Reviews
CA$143.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2004 - 2005 Buick Rainier, 2002 - 2005 Chevrolet Trailblazer, 2002 - 2005 Chevrolet Trailblazer EXT, 2002 - 2005 GMC Envoy, 2002 - 2005 GMC Envoy XL, 2004 - 2005 GMC Envoy XUV, 2003 - 2005 Isuzu Ascender, 2008 - 2008 Isuzu Ascender, 2002 - 2004 Oldsmobile Bravada, 2005 - 2005 Saab 9-7x
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: Saab
Quantity6
Item LocatedCanada
ColorYellow
Part interchange
UF303T, 12568062, 71760623, 8125690620, DW01659
item #1002LNPN
Show less
Page 1 of 2

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.