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2021 Ford Escape Ignition Coil

33 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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Spectra Premium C-757 Ignition CoilSpectra Premium C-757 Ignition Coil
Spectra PremiumPart # C-757
Spectra Premium C-757 Ignition Coil
52 Reviews
$65.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2009-2019 Ford Escape, 2010-2011 Ford Fusion, 2012-2012 Ford Fusion, 2013-2014 Ford Ranger, 2013-2018 Ford C-Max, 2013-2018 Ford Fusion, 2013-2020 Ford Fusion, 2013-2020 Ford Fusion, 2013-2020 Ford Fusion, 2013-2020 Ford Fusion, 2014-2016 Ford Transit Connect, 2014-2018 Ford Fusion, 2015-2017 Ford Ranger, 2017-2018 Ford Fusion, 2017-2018 Ford Fusion, 2017-2018 Ford Transit Connect, 2017-2019 Ford Fusion, 2017-2019 Ford Fusion, 2019-2020 Ford Fusion, 2019-2020 Ford Fusion
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity1
Item LocatedUnited States
Part interchange
C-757, CUF621, UF621, UF621T, 50129, 9212141, L50718100, L50718100A, 
...View more
item #1000Z555
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Walker Products 921-2141 Ignition Coil
Walker ProductsPart # 921-2141
Walker Products 921-2141 Ignition Coil
4.325 Reviews
$33.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2009-2019 Ford Escape, 2010-2020 Ford Fusion, 2013-2018 Ford C-Max, 2013-2018 Ford Fusion, 2013-2020 Ford Fusion, 2013-2020 Ford Fusion, 2013-2020 Ford Fusion, 2014-2016 Ford Transit Connect, 2014-2018 Ford Fusion, 2017-2018 Ford Fusion, 2017-2018 Ford Fusion, 2017-2018 Ford Transit Connect, 2017-2019 Ford Fusion, 2019-2020 Ford Fusion, 2019-2020 Ford Fusion, 2019-2020 Ford Police Responder Hybrid, 2019-2020 Ford SSV Plug-In Hybrid, 2019-2022 Ford Transit Connect, 2011-2012 Lincoln MKZ, 2013-2014 Lincoln MKZ
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
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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Spectra Premium C-899 Ignition Coil
Spectra PremiumPart # C-899
Spectra Premium C-899 Ignition Coil
52 Reviews
$78.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2012-2014 Ford Focus, 2012-2015 Ford Explorer, 2012-2019 Ford Edge, 2013-2017 Ford Taurus, 2013-2019 Ford Escape, 2013-2020 Ford Fusion, 2013-2020 Ford Fusion, 2014-2018 Ford Special Service Police Sedan, 2015-2015 Ford Fusion, 2015-2018 Ford Focus, 2015-2021 Ford Mustang, 2016-2018 Ford Focus, 2016-2019 Ford Explorer, 2017-2017 Ford Fusion, 2017-2018 Ford Fusion, 2018-2020 Ford EcoSport, 2019-2019 Ford Fusion, 2021-2021 Ford EcoSport, 2022-2022 Ford EcoSport, 2022-2023 Ford Mustang
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity1
Item LocatedUnited States
Part interchange
C-899, U5241, DG562, DG546, UF670, 171207, MPSMF670, 3312467757248892, 
...View more
item #1000Z654
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Walker Products 921-2147 Ignition Coil
Walker ProductsPart # 921-2147
Walker Products 921-2147 Ignition Coil
4.325 Reviews
$35.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2012-2014 Ford Focus, 2012-2015 Ford Explorer, 2012-2018 Ford Edge, 2013-2017 Ford Taurus, 2013-2019 Ford Escape, 2013-2020 Ford Fusion, 2013-2020 Ford Fusion, 2014-2018 Ford Special Service Police Sedan, 2015-2015 Ford Fusion, 2015-2018 Ford Focus, 2015-2023 Ford Mustang, 2016-2018 Ford Focus, 2016-2019 Ford Explorer, 2017-2017 Ford Fusion, 2017-2018 Ford Fusion, 2018-2021 Ford EcoSport, 2019-2019 Ford Fusion, 2022-2022 Ford EcoSport, 2013-2016 Lincoln MKT, 2013-2016 Lincoln MKZ
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity1
Item LocatedUnited States
Part interchange
921-2147, IC-404, 2036331, CM5Z12029A, CM5Z12029K, DG562, 48770, GN10621, 
...View more
item #1001L3D7
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Standard UF855 Ignition Coil
StandardPart # UF855
Standard UF855 Ignition Coil
4.542 Reviews
$42.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2019-2022 Ford Transit Connect, 2019-2023 Ford Edge, 2019-2023 Ford Ranger, 2020-2023 Ford Escape, 2020-2023 Ford Explorer, 2021-2023 Ford Bronco, 2021-2023 Ford Bronco Sport, 2022-2023 Ford Maverick, 2023-2023 Ford Transit Connect, 2019-2023 Lincoln Nautilus, 2020-2020 Lincoln Corsair, 2021-2022 Lincoln Corsair, 2021-2022 Lincoln Corsair
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity1
Item LocatedUnited States
ColorBlack
Part interchange
UF855, GN10957, IC962, DG-574, DG576, E1355, C50070DL, IGNB10107, 
...View more
item #10016RSR
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Standard UF881 Ignition Coil
StandardPart # UF881
Standard UF881 Ignition Coil
4.542 Reviews
$30.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2020-2021 Ford Escape, 2023-2023 Ford Escape, 2023-2023 Lincoln Corsair
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity1
Item LocatedUnited States
ColorBlack
Part interchange
UF881, IC988, DG582, E1381, IGNB10251, LX6Z12029B, 5C2380, EBC2015
item #10016SYQ
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Denso 673-6203 Ignition Coil
DensoPart # 673-6203
Denso 673-6203 Ignition Coil
4.523 Reviews
$51.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2012-2014 Ford Focus, 2012-2015 Ford Explorer, 2012-2018 Ford Edge, 2013-2017 Ford Fusion, 2013-2017 Ford Fusion, 2013-2017 Ford Taurus, 2013-2019 Ford Escape, 2014-2018 Ford Special Service Police Sedan, 2015-2015 Ford Fusion, 2015-2018 Ford Focus, 2015-2022 Ford Mustang, 2016-2018 Ford Focus, 2016-2019 Ford Explorer, 2017-2017 Ford Fusion, 2017-2017 Ford Fusion, 2018-2020 Ford Fusion, 2018-2021 Ford EcoSport, 2022-2022 Ford EcoSport, 2013-2014 Lincoln MKZ, 2013-2016 Lincoln MKT
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity1
Item LocatedUnited States
ColorBlack
Part interchange
673-6203, C-899, IC773, U5241, CM5Z 12029-K, CM5Z 12029-A, 0 221 604 700, GN10621, 
...View more
item #1002HAQQ
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4 pc Ignition Coil | Aisin ESCAZ-00281
AisinPart # ESCAZ-00281
4 pc Ignition Coil | Aisin ESCAZ-00281
4.6544 Reviews
$116.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Fits 2013 - 2020 Lincoln MKZ, 2015 - 2019 Lincoln MKC, 2016 - 2018 Ford Focus, 2012 - 2018 Ford Edge, 2013 - 2022 Ford EcoSport, 2023 - 2023 Ford Mustang, 2012 - 2018 Ford Focus, 2015 - 2020 Ford Mustang, 2013 - 2020 Ford Fusion, 2016 - 2019 Ford Explorer, 2017 - 2017 Jaguar XE, 2015 - 2017 Land Rover Discovery Sport, 2017 - 2017 Ford Fusion, 2013 - 2015 Jaguar XF, 2012 - 2015 Ford Explorer, 2013 - 2019 Ford Escape, 2012 - 2017 Land Rover Range Rover Evoque, 2013 - 2017 Ford Taurus, 2013 - 2016 Lincoln MKT, 2013 - 2015 Land Rover LR2
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity4
Item LocatedUnited States
Part interchange
CM5Z12029A, CM5Z12029K, JDE30294, JDE39937, LR030637, LR033979, LR084889
ConditionNew
item #10189U5K
Show less
3 pc Ignition Coil for 2020-2022 Ford Escape | Aisin ESCFD-00261
AisinPart # ESCFD-00261
3 pc Ignition Coil for 2020-2022 Ford Escape | Aisin ESCFD-00261
4.6544 Reviews
$74.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Fits Ford Escape: 2020 2021 2022
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity3
Item LocatedUnited States
Part interchange
HX7Z12029A
ConditionNew
item #1018A0ZK
Show less
4 pc Ignition Coil for 2020-2021 2023 Ford Escape | 2-Pin Terminal | A-Premium APIC0885
A-Premium®Part # APIC0885
4 pc Ignition Coil for 2020-2021 2023 Ford Escape | 2-Pin Terminal | A-Premium APIC0885
4.6544 Reviews
$82.99
Edit ZIP code
3-year warranty
90 days free return
Fits Ford Escape: 2020 2021 2023
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity4
Item LocatedUnited States
ColorBlack
Part interchange
LX6Z12029B, UF881, UF-881
item #1012XUQL
Show less
4 pc Ignition Coil for 2020-2023 Ford Escape | Aisin ESCFD-00259
AisinPart # ESCFD-00259
4 pc Ignition Coil for 2020-2023 Ford Escape | Aisin ESCFD-00259
4.6544 Reviews
$99.99
Edit ZIP code
3-year warranty
90 days free return
Fits Ford Escape: 2020 2021 2022 2023
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity4
Item LocatedUnited States
Part interchange
JX6Z12029A, JX6Z12029B
ConditionNew
item #1018A58H
Show less
1 pc Ignition Coil for 2020-2021 2023 Ford Escape | 2-Pin Terminal | A-Premium APIC0886
A-Premium®Part # APIC0886
1 pc Ignition Coil for 2020-2021 2023 Ford Escape | 2-Pin Terminal | A-Premium APIC0886
4.6544 Reviews
$29.99
Edit ZIP code
3-year warranty
90 days free return
Fits Ford Escape: 2020 2021 2023
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity1
Item LocatedUnited States
ColorBlack
Part interchange
LX6Z12029B, UF881, UF-881
item #1012XVK6
Show less
4 pc Ignition Coil for 2020-2023 Ford Escape | 3-Pin Terminal | A-Premium APIC0735
A-Premium®Part # APIC0735
4 pc Ignition Coil for 2020-2023 Ford Escape | 3-Pin Terminal | A-Premium APIC0735
4.6544 Reviews
$83.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Fits Ford Escape: 2020 2021 2022 2023
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity4
Item LocatedUnited States
ColorBlack
Part interchange
UF855, 5C2291, JX6Z12029A, JX6Z12029B
item #1004R64G
Show less
4 pc Ignition Coil for 2020-2021 2023 Ford Escape | Aisin ESCFD-00295
AisinPart # ESCFD-00295
4 pc Ignition Coil for 2020-2021 2023 Ford Escape | Aisin ESCFD-00295
4.6544 Reviews
$80.99
Quantity Less than 4
Edit ZIP code
3-year warranty
90 days free return
Fits Ford Escape: 2020 2021 2023
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity4
Item LocatedUnited States
Part interchange
LX6Z12029B
ConditionNew
item #1018A4GZ
Show less
3 pc Ignition Coil for 2020-2022 Ford Escape | 3-Pin Terminal | A-Premium APIC0883
A-Premium®Part # APIC0883
3 pc Ignition Coil for 2020-2022 Ford Escape | 3-Pin Terminal | A-Premium APIC0883
4.6544 Reviews
$84.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Fits Ford Escape: 2020 2021 2022
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity3
Item LocatedUnited States
ColorBlack
Part interchange
HX7Z12029A, UF880, UF-880
item #1012XW7Z
Show less
1 pc Ignition Coil | 2-Blade Terminal | A-Premium APIC0413
A-Premium®Part # APIC0413
1 pc Ignition Coil | 2-Blade Terminal | A-Premium APIC0413
4.6544 Reviews
$25.99
Quantity Less than 5
Edit ZIP code
3-year warranty
90 days free return
Fits 2013 - 2020 Lincoln MKZ, 2010 - 2013 Ford Fusion, 2019 - 2020 Ford Fusion, 2016 - 2016 Ford Fusion, 2017 - 2018 Ford Fusion, 2013 - 2016 Ford Fusion, 2009 - 2019 Ford Escape, 2019 - 2020 Ford Fusion, 2014 - 2022 Ford Transit Connect, 2020 - 2020 Ford Police Responder Hybrid, 2011 - 2012 Lincoln MKZ, 2019 - 2020 Ford Ranger, 2019 - 2019 Ford SSV Plug-In Hybrid, 2020 - 2020 Ford SSV Plug-In Hybrid, 2019 - 2019 Ford Police Responder Hybrid, 2013 - 2018 Ford C-Max, 2018 - 2020 Ford Fusion, 2017 - 2017 Ford Fusion, 2009 - 2011 Mercury Mariner, 2010 - 2011 Mercury Milan
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity1
Item LocatedUnited States
Installation PositionFront Side
ColorBlack
item #1002QSKS
Show less
1 pc Ignition Coil | 3-Blade Terminal | Aisin ESCAZ-00280
AisinPart # ESCAZ-00280
1 pc Ignition Coil | 3-Blade Terminal | Aisin ESCAZ-00280
4.6544 Reviews
$36.99
Quantity Less than 4
Edit ZIP code
3-year warranty
90 days free return
Fits 2013 - 2020 Lincoln MKZ, 2016 - 2018 Ford Focus, 2012 - 2018 Ford Edge, 2017 - 2019 Ford Explorer, 2015 - 2019 Lincoln MKC, 2019 - 2020 Ford Fusion, 2015 - 2020 Ford Mustang, 2012 - 2012 Ford Explorer, 2017 - 2017 Jaguar XE, 2017 - 2017 Ford Fusion, 2013 - 2016 Ford Fusion, 2012 - 2017 Land Rover Range Rover Evoque, 2013 - 2016 Lincoln MKT, 2013 - 2015 Ford Taurus, 2017 - 2018 Ford Fusion, 2013 - 2021 Ford EcoSport, 2016 - 2017 Ford Taurus, 2016 - 2016 Ford Explorer, 2018 - 2018 Ford Special Service Police Sedan, 2023 - 2023 Ford Mustang
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity1
Item LocatedUnited States
Part interchange
CM5Z12029A, CM5Z12029K, JDE30294, JDE39937, LR030637, LR033979, LR084889
ConditionNew
item #10186KSN
Show less
1 pc Ignition Coil for 2020-2022 Ford Escape | 3-Pin Terminal | A-Premium APIC0884
A-Premium®Part # APIC0884
1 pc Ignition Coil for 2020-2022 Ford Escape | 3-Pin Terminal | A-Premium APIC0884
4.6544 Reviews
$34.99
Edit ZIP code
3-year warranty
90 days free return
Fits Ford Escape: 2020 2021 2022
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity1
Item LocatedUnited States
ColorBlack
Part interchange
HX7Z12029A, UF880, UF-880
item #1012XX6E
Show less
1 pc Ignition Coil for 2020-2023 Ford Escape | 3-Blade Terminal | Aisin ESCFD-00258
AisinPart # ESCFD-00258
1 pc Ignition Coil for 2020-2023 Ford Escape | 3-Blade Terminal | Aisin ESCFD-00258
4.6544 Reviews
$32.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Fits Ford Escape: 2020 2021 2022 2023
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity1
Item LocatedUnited States
Part interchange
JX6Z12029A, JX6Z12029B
ConditionNew
item #101879X2
Show less
4 pc Ignition Coil | 3-Pin Terminal | A-Premium APIC1063
A-Premium®Part # APIC1063
4 pc Ignition Coil | 3-Pin Terminal | A-Premium APIC1063
4.6544 Reviews
$60.99
Quantity Less than 3
Edit ZIP code
3-year warranty
90 days free return
Fits 2015 - 2015 Ford Explorer, 2013 - 2014 Ford Explorer, 2013 - 2016 Lincoln MKT, 2013 - 2019 Ford Escape, 2019 - 2020 Ford Fusion, 2016 - 2018 Ford Focus, 2013 - 2020 Lincoln MKZ, 2015 - 2019 Lincoln MKC, 2022 - 2022 Ford EcoSport, 2017 - 2017 Ford Special Service Police Sedan, 2014 - 2016 Ford Special Service Police Sedan, 2018 - 2018 Ford Special Service Police Sedan, 2017 - 2017 Jaguar XE, 2012 - 2017 Land Rover Range Rover Evoque, 2013 - 2015 Jaguar XF, 2013 - 2015 Land Rover LR2, 2013 - 2016 Ford Fusion, 2017 - 2018 Ford Fusion, 2016 - 2017 Ford Taurus, 2016 - 2016 Ford Explorer
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: 2021 Ford Escape
Quantity4
Item LocatedUnited States
ColorRed
Part interchange
CM5E12A366BC, CM5E12A366CA, CM5Z12029A, CM5Z12029K, LR030637, LR084889, 5121001, UF670, 
...View more
item #100266N8
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.