2004 Kia Optima Ignition Coils and Boots
Keep Your 2004 Kia Optima in Top Shape with Quality Ignition Coils and Boots
Whether you’re repairing or upgrading your Ignition Coils and Boot, using high-quality parts is key to keeping your 2004 Kia Optima looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Ignition Coil Boots and Ignition Coils. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Ignition Coils and Boots from Trusted Brands
Looking for a reliable Ignition Coils and Boot? We’ve got you covered with options from brands you know and trust like NGK. For example, NGK Ignition Coils and Boots start at just $99.99 with an average 4.8 star rating. With over 6 reviews and a solid 5 star average, you can shop with confidence knowing other Kia Optima owners approve.
Competitive Prices and Extensive Inventory
The average price for a 2004 Kia Optima Ignition Coils and Boot at Advance Auto Parts is around $92.82, with a range that starts at $43.49 and goes up to $122.99. With 9 options in stock from 6 trusted brands, finding the right fit is easy. Popular picks like Ignition Coil: Meets OE Specifications, 1 Count, Ignition Coil: Meets or Exceeds OE Specifications, 1 Count, and Ignition Coil: Meets or Exceeds OE Specifications, 1 Count start at just $69.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Ignition Coils and Boot, don’t forget to check out other key components like Ignition Boots and Spark Plugs. At Advance Auto Parts, we’re here to help you keep your 2004 Kia Optima in peak condition, inside and out.
Find Your Specific 2004 Kia Optima Ignition Coils and Boots
Looking for the perfect Ignition Coils and Boot for your 2004 Kia Optima? You’re in the right place. Below, you’ll find links to various types of Ignition Coils and Boots that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Ignition Coils and Boots, ensuring durability and a precise fit for your Kia Optima. Whether you’re driving a 2004 model or another popular model year like
2012,
2013,
2014,
2015,
2016,
2017,
2018,
2019, and
2020, we’ve got you covered. Purchasing Ignition Coils and Boots from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Ignition Coils and Boots that fit your vehicle.
Essential 2004 Kia Optima Ignition Coils and Boots
Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1069)
from
$113.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Built by IATF 16949 certified manufacturers for consistent durability
- Coil drivers match OE for current limit, electrostatic discharge (ESD) protection and multi-spark
- Segmented secondary bobbins to distribute high voltage and prevent shorting
- Extensive design validation testing to ensure long-lasting reliability
- 100% end-of-line tested to ensure proper performance
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1795)
from
$98.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Built by IATF 16949 certified manufacturers for consistent durability
- Coil drivers match OE for current limit, electrostatic discharge (ESD) protection and multi-spark
- Segmented secondary bobbins to distribute high voltage and prevent shorting
- Extensive design validation testing to ensure long-lasting reliability
- 100% end-of-line tested to ensure proper performance
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
Delphi – Ignition Coil (Part No.GN10417)
from
$122.99
Every single Delphi ignition coil is designed and endurance tested using high quality materials. This ensures fast starts, consistent engine performance and optimized fuel efficiency. We makes more than 10 million ignition coils for North America each year, and each one is engineered to OE design specifications for vehicles from Ford, Toyota, Nissan, Lexus, GM, Mazda, Chrysler, Subaru, Acura and more.
Product Features:
See More
Product Features:
- Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
- Delphi ignition coils are designed to operate as part of an integral engine management system to insert power into spark plugs and ensure fast starts; consistent engine performance and optimized fuel efficiency
- Delphi uses winding process techniques to control the length of wire between adjacent windings; that’s important since more length means greater voltage differences and can create more pressure that could break down the insulation and wire coating
- We back our ignition coil design with proven materials, such as high quality wires and wire coating that resists the cracks, pin holes and imperfections that most often lead to failure issues
DENSO – Direct Ignition Coil – Original Equipment Quality (Part No.673-8303)
from
$96.99
As the innovator and leader in stick coil technology DENSO has conducted superior testing and inspection processes to insure the highest quality ignition coil. Don’t be fooled by imitations – look for the DENSO name to be sure you’re getting the best.
Product Features:
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Product Features:
- First Time Fit
- Built to DENSO Original Equipment Standards
Delphi – Ignition Coil (Part No.GN10877)
from
$124.99
Every single Delphi ignition coil is designed and endurance tested using high quality materials. This ensures fast starts, consistent engine performance and optimized fuel efficiency. We makes more than 10 million ignition coils for North America each year, and each one is engineered to OE design specifications for vehicles from Ford, Toyota, Nissan, Lexus, GM, Mazda, Chrysler, Subaru, Acura and more.
Product Features:
See More
Product Features:
- Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
- Delphi ignition coils are designed to operate as part of an integral engine management system to insert power into spark plugs and ensure fast starts; consistent engine performance and optimized fuel efficiency
- Delphi uses winding process techniques to control the length of wire between adjacent windings; that’s important since more length means greater voltage differences and can create more pressure that could break down the insulation and wire coating
- We back our ignition coil design with proven materials, such as high quality wires and wire coating that resists the cracks, pin holes and imperfections that most often lead to failure issues
MANDO – New Direct Ignition Coil Assmebly Original Equipment 273012B120 (Part No.21A0129)
from
$79.99
Direct Ignition Coils (spark coils) help convert low voltage into high energy for your spark plugs to ignite fuel in your engine. A faulty or failed coil can cause a check engine light (trouble code), rough engine idle, poor fuel economy, and engine stalling, just to name a few. HL Mando direct ignition coils are well-known for being the exact OE replacements for both Hyundai, Kia and Genesis. Let HL Mando ensure your engine is running optimal and smooth once again – We Are OE!
Product Features:
See More
Product Features:
- Direct Original Equipment Replacement
- Tested for Quality, Durability, and Reliability
- Manufactured in Korea
MANDO – New Direct Ignition Coil Assmebly Original Equipment 273002GGA0 (Part No.21A0128)
from
$79.99
Direct Ignition Coils (spark coils) help convert low voltage into high energy for your spark plugs to ignite fuel in your engine. A faulty or failed coil can cause a check engine light (trouble code), rough engine idle, poor fuel economy, and engine stalling, just to name a few. HL Mando direct ignition coils are well-known for being the exact OE replacements for both Hyundai, Kia and Genesis. Let HL Mando ensure your engine is running optimal and smooth once again – We Are OE!
Product Features:
See More
Product Features:
- Direct Original Equipment Replacement
- Tested for Quality, Durability, and Reliability
- Manufactured in Korea
Delphi – Ignition Coil (Part No.GN10560)
from
$87.99
Every single Delphi ignition coil is designed and endurance tested using high quality materials. This ensures fast starts, consistent engine performance and optimized fuel efficiency. We makes more than 10 million ignition coils for North America each year, and each one is engineered to OE design specifications for vehicles from Ford, Toyota, Nissan, Lexus, GM, Mazda, Chrysler, Subaru, Acura and more.
Product Features:
See More
Product Features:
- Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
- Delphi ignition coils are designed to operate as part of an integral engine management system to insert power into spark plugs and ensure fast starts; consistent engine performance and optimized fuel efficiency
- Delphi uses winding process techniques to control the length of wire between adjacent windings; that’s important since more length means greater voltage differences and can create more pressure that could break down the insulation and wire coating
- We back our ignition coil design with proven materials, such as high quality wires and wire coating that resists the cracks, pin holes and imperfections that most often lead to failure issues
NGK – Premium COP Pencil Type Ignition Coil: Meets or Exceeds OE Specifications (Part No.48939)
from
$94.99
NGK ignition coils are manufactured to meet or exceed OE standards for the highest durability and operational performance, so they can be installed with confidence. NGK and their family of automotive products have over 80 years’ experience and are driven by extreme dedication to innovation, performance and quality. With state-of-the-art manufacturing, inventory and distribution facilities in North America and globally, NGK is dedicated to providing customers with world-class products and services. Developed and rigorously tested in our ISO 17025 accredited test lab under the most extreme conditions, NGK’s coil designs will outperform all others – far beyond operational environments a vehicle would actually experience. NGK ignition coils have vast coverage including late-model domestic and import vehicles. NGK’s OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist.
Product Features:
See More
Product Features:
- OE QUALITY: Vacuum-sealed premium epoxy resin and thermoplastic coil housings provide superior dielectric strength, voltage insulation and durability
- OPTIMAL PERFORMANCE: Precision coil windings and laminations maximize outputs, custom NGK ASIC chipset optimizes efficiency, prevents component damage
- EASE OF INSTALLATION: NGK Ignition Coils include ignition control module, premium high temperature coil boot, and jumper harnesses where required
- THE NGK DIFFERENCE: Featuring superior materials and design enhancements
- EXTENSIVE TESTING: NGK ignition coils must pass extreme testing during manufacturing to ensure the highest quality and durability standards are met
- PRODUCT ENGINEERING: Advanced flow and stress modeling systems preemptively identify and avoid common failure points found in OE and competitor coils
DENSO – Direct Ignition Coil (Part No.673-8310)
from
$69.99
As the innovator and leader in stick coil technology DENSO has conducted superior testing and inspection processes to insure the highest quality ignition coil. Don’t be fooled by imitations – look for the DENSO name to be sure you’re getting the best.
See More
Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1035)
from
$73.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Built by IATF 16949 certified manufacturers for consistent durability
- Coil drivers match OE for current limit, electrostatic discharge (ESD) protection and multi-spark
- Segmented secondary bobbins to distribute high voltage and prevent shorting
- Extensive design validation testing to ensure long-lasting reliability
- 100% end-of-line tested to ensure proper performance
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1024)
from
$80.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Built by IATF 16949 certified manufacturers for consistent durability
- Coil drivers match OE for current limit, electrostatic discharge (ESD) protection and multi-spark
- Segmented secondary bobbins to distribute high voltage and prevent shorting
- Extensive design validation testing to ensure long-lasting reliability
- 100% end-of-line tested to ensure proper performance
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1046)
from
$79.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Built by IATF 16949 certified manufacturers for consistent durability
- Coil drivers match OE for current limit, electrostatic discharge (ESD) protection and multi-spark
- Segmented secondary bobbins to distribute high voltage and prevent shorting
- Extensive design validation testing to ensure long-lasting reliability
- 100% end-of-line tested to ensure proper performance
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
NGK – Premium COP Pencil Type Ignition Coil: Meets or Exceeds OE Specifications (Part No.48870)
from
$81.99
NGK ignition coils are manufactured to meet or exceed OE standards for the highest durability and operational performance, so they can be installed with confidence. NGK and their family of automotive products have over 80 years’ experience and are driven by extreme dedication to innovation, performance and quality. With state-of-the-art manufacturing, inventory and distribution facilities in North America and globally, NGK is dedicated to providing customers with world-class products and services. Developed and rigorously tested in our ISO 17025 accredited test lab under the most extreme conditions, NGK’s coil designs will outperform all others – far beyond operational environments a vehicle would actually experience. NGK ignition coils have vast coverage including late-model domestic and import vehicles. NGK’s OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist.
Product Features:
See More
Product Features:
- OE QUALITY: Vacuum-sealed premium epoxy resin and thermoplastic coil housings provide superior dielectric strength, voltage insulation and durability
- OPTIMAL PERFORMANCE: Precision coil windings and laminations maximize outputs, custom NGK ASIC chipset optimizes efficiency, prevents component damage
- EASE OF INSTALLATION: NGK Ignition Coils include ignition control module, premium high temperature coil boot, and jumper harnesses where required
- THE NGK DIFFERENCE: Featuring superior materials and design enhancements
- EXTENSIVE TESTING: NGK ignition coils must pass extreme testing during manufacturing to ensure the highest quality and durability standards are met
- PRODUCT ENGINEERING: Advanced flow and stress modeling systems preemptively identify and avoid common failure points found in OE and competitor coils
Carquest Premium – Coil On Plug Insulator Boot: Spring included, Designed for direct fit (Part No.35-7100)
from
$5.99
Carquest Premium spark plug boots are engineered to restore ignition boot reliability and performance. They are designed to meet or exceed original equipment (O.E.) specifications for fit, form and function. Our spark plug boots offer excellent heat resistance as well as maximum protection against spark loss. Carquest Premium spark plug boots are built with a durable silicone compound for resistance to high heat and abrasion, resulting in a longer-lasting ignition repair.
Product Features:
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Product Features:
- OE design provides an exact fit for your application
- Provides excellent heat resistance as well as maximum protection against spark loss
- Durable silicone compound for resistance to high heat or abrasion
- Spring included with the spark plug boot
- Design for direct compatibility
- Multipack provides one time replace all COP for better deal
Product Features:
NGK – Premium OE Fit & Design Spark Plug Wire Set: Variable Pitch Mag Core, 6 Leads (Part No.3878)
from
$99.99
Product Features:
See More
- PERFECT FIT FOR YOUR VEHICLE: Built to OEM tolerances with OE quality or better materials
- BUILT TO LAST: Outer Jacket built to withstand temperatures greater than 250 degrees Celsius, inner insulation EPDM or silicone for best dielectric strength
- STAINLESS STEEL TERMINALS: Provide the highest possible retention to ensure positive connections through the life of the set
- PREMIUM ALLOY WINDING: Variable pitch winding over Ferrite magnetic alloy coating delivers ultra low resistance and excellent interference protection
- CYLINDER LEAD ID: Cylinder lead identification tags where possible make installation easier
- LIMITED WARRANTY: See package for details
NGK – Premium OE Fit & Design Spark Plug Wire Set: Variable Pitch Mag Core, 2 Leads (Part No.3879)
from
$43.49
Product Features:
See More
- PERFECT FIT FOR YOUR VEHICLE: Built to OEM tolerances with OE quality or better materials
- BUILT TO LAST: Outer Jacket built to withstand temperatures greater than 250 degrees Celsius, inner insulation EPDM or silicone for best dielectric strength
- STAINLESS STEEL TERMINALS: Provide the highest possible retention to ensure positive connections through the life of the set
- PREMIUM ALLOY WINDING: Variable pitch winding over Ferrite magnetic alloy coating delivers ultra low resistance and excellent interference protection
- CYLINDER LEAD ID: Cylinder lead identification tags where possible make installation easier
- LIMITED WARRANTY: See package for details
Popular 2004 Kia Optima Ignition Coils and Boots Categories
Most Popular Ignition Coil Boots for 2004 Kia Optimas
Enhance your 2004 Kia Optima with one of the 2 Ignition Coil Boots we have in stock, starting at just $43.49.
NGK – Premium OE Fit & Design Spark Plug Wire Set: Variable Pitch Mag Core, 6 Leads (Part No.3878)
from
$99.99
Product Features:
See More
- PERFECT FIT FOR YOUR VEHICLE: Built to OEM tolerances with OE quality or better materials
- BUILT TO LAST: Outer Jacket built to withstand temperatures greater than 250 degrees Celsius, inner insulation EPDM or silicone for best dielectric strength
- STAINLESS STEEL TERMINALS: Provide the highest possible retention to ensure positive connections through the life of the set
- PREMIUM ALLOY WINDING: Variable pitch winding over Ferrite magnetic alloy coating delivers ultra low resistance and excellent interference protection
- CYLINDER LEAD ID: Cylinder lead identification tags where possible make installation easier
- LIMITED WARRANTY: See package for details
NGK – Premium OE Fit & Design Spark Plug Wire Set: Variable Pitch Mag Core, 2 Leads (Part No.3879)
from
$43.49
Product Features:
See More
- PERFECT FIT FOR YOUR VEHICLE: Built to OEM tolerances with OE quality or better materials
- BUILT TO LAST: Outer Jacket built to withstand temperatures greater than 250 degrees Celsius, inner insulation EPDM or silicone for best dielectric strength
- STAINLESS STEEL TERMINALS: Provide the highest possible retention to ensure positive connections through the life of the set
- PREMIUM ALLOY WINDING: Variable pitch winding over Ferrite magnetic alloy coating delivers ultra low resistance and excellent interference protection
- CYLINDER LEAD ID: Cylinder lead identification tags where possible make installation easier
- LIMITED WARRANTY: See package for details
Best-Selling 2004 Kia Optima Ignition Coils
Upgrade your Optima with one of our 7 best-selling Ignition Coils.
Carquest – Ignition Coil: Meets OE Specifications, 1 Count (Part No.26C1074)
from
$69.99
Carquest ignition coils meet original equipment (OE) fit, form and function and are built to ensure reliable starting and performance. Carquest ignition coils are tested to ensure proper spark and perfect fit for each application. These ignition coils are an affordable repair choice to restore the vehicle¿s ignition system performance. Carquest ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Long service life and durable performance
- High dielectric strength for reliability
- Corrosion-resistant connections
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
- High reliability
- Long service life
Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBE1803)
from
$119.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Built by IATF 16949 certified manufacturers for consistent durability
- Coil drivers match OE for current limit, electrostatic discharge (ESD) protection and multi-spark
- Segmented secondary bobbins to distribute high voltage and prevent shorting
- Extensive design validation testing to ensure long-lasting reliability
- 100% end-of-line tested to ensure proper performance
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1795)
from
$98.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.
Product Features:
See More
Product Features:
- Built by IATF 16949 certified manufacturers for consistent durability
- Coil drivers match OE for current limit, electrostatic discharge (ESD) protection and multi-spark
- Segmented secondary bobbins to distribute high voltage and prevent shorting
- Extensive design validation testing to ensure long-lasting reliability
- 100% end-of-line tested to ensure proper performance
- Carquest Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
Delphi – Ignition Coil (Part No.GN10417)
from
$122.99
Every single Delphi ignition coil is designed and endurance tested using high quality materials. This ensures fast starts, consistent engine performance and optimized fuel efficiency. We makes more than 10 million ignition coils for North America each year, and each one is engineered to OE design specifications for vehicles from Ford, Toyota, Nissan, Lexus, GM, Mazda, Chrysler, Subaru, Acura and more.
Product Features:
See More
Product Features:
- Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
- Delphi ignition coils are designed to operate as part of an integral engine management system to insert power into spark plugs and ensure fast starts; consistent engine performance and optimized fuel efficiency
- Delphi uses winding process techniques to control the length of wire between adjacent windings; that’s important since more length means greater voltage differences and can create more pressure that could break down the insulation and wire coating
- We back our ignition coil design with proven materials, such as high quality wires and wire coating that resists the cracks, pin holes and imperfections that most often lead to failure issues
MANDO – New OE Direct Ignition Coil, Direct Replacement (Part No.21A0119)
from
$49.99
Direct Ignition Coils (spark coils) help convert low voltage into high energy for your spark plugs to ignite fuel in your engine. A faulty or failed coil can cause a check engine light (trouble code), rough engine idle, poor fuel economy, and engine stalling, just to name a few. HL Mando direct ignition coils are well-known for being the exact OE replacements for both Hyundai, Kia and Genesis. Let HL Mando ensure your engine is running optimal and smooth once again – We Are OE!
Product Features:
See More
Product Features:
- Direct Original Equipment Replacement
- Tested for Quality, Durability, and Reliability
- Manufactured in Korea
Delphi – Ignition Coil (Part No.GN10303)
from
$122.99
Every single Delphi ignition coil is designed and endurance tested using high quality materials. This ensures fast starts, consistent engine performance and optimized fuel efficiency. We makes more than 10 million ignition coils for North America each year, and each one is engineered to OE design specifications for vehicles from Ford, Toyota, Nissan, Lexus, GM, Mazda, Chrysler, Subaru, Acura and more.
Product Features:
See More
Product Features:
- Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
- Delphi ignition coils are designed to operate as part of an integral engine management system to insert power into spark plugs and ensure fast starts; consistent engine performance and optimized fuel efficiency
- Delphi uses winding process techniques to control the length of wire between adjacent windings; that’s important since more length means greater voltage differences and can create more pressure that could break down the insulation and wire coating
- We back our ignition coil design with proven materials, such as high quality wires and wire coating that resists the cracks, pin holes and imperfections that most often lead to failure issues
DENSO – Direct Ignition Coil (Part No.673-8205)
from
$106.99
As the innovator and leader in stick coil technology DENSO has conducted superior testing and inspection processes to insure the highest quality ignition coil. Don’t be fooled by imitations – look for the DENSO name to be sure you’re getting the best.
See More
Top-Rated Ignition Coils and Boot Brands For Your 2004 Kia Optima
When it comes to finding the perfect Ignition Coils and Boot for your 2004 Kia Optima, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 6 trusted brands. We carry the most popular Ignition Coils and Boot brands including NGK, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $99.99. Purchasing a Ignition Coils and Boot from us here at Advance Auto Parts is a smart move for both you and your 2004 Kia Optima, providing peace of mind with parts that meet or exceed OEM standards.
Popular NGK 2004 Kia Optima Ignition Coils and Boots
If you’re looking for a top-quality Ignition Coils and Boot for your 2004 Kia Optima, Advance Auto Parts has exactly what you need with our selection of NGK Ignition Coils and Boots. We have 1 NGK Ignition Coils and Boots in stock for this fitment, all known for their durability and precision fit. With prices starting at just $99.99, you’ll find the perfect Ignition Coils and Boot for your needs and budget. NGK Ignition Coils and Boots for the 2004 Kia Optima come highly rated, with over 3 customer reviews and an impressive average rating of 4.8 stars. Choosing a NGK Ignition Coils and Boot from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
from
$99.99
(3)
Premium OE Fit & Design Spark Plug Wire Set: Variable Pitch Mag Core, 6 Leads
“Nice fit but costly”
FAQs for 2004 Kia Optima Ignition Coils and Boots
What are the best-selling Ignition Coils and Boots for 2004 Kia Optimas?
Out of 9 Ignition Coils and Boots that fit 2004 Kia Optimas, the following parts are the top sellers:
- Ignition Coil: Meets OE Specifications, 1 Count (12352051) – $69.99
- Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (12352146) – $119.99
- Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (12352022) – $98.99
What’s the price range for 2004 Kia Optima Ignition Coils and Boots?
The prices of Ignition Coils and Boots for the 2004 Kia Optima range from $43.49 up to $122.99 for the most premium parts.
What is the average price of an Ignition Coils and Boot for a 2004 Kia Optima?
The average price for Ignition Coils and Boots for the 2004 Kia Optima is $92.82. Keep in mind the variety of part types within our Ignition Coils and Boot category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Ignition Coils and Boots for other Kia Optima model years?
What are the cheapest Ignition Coils and Boots for my 2004 Kia Optima?
The cheapest 2004 Kia Optima Ignition Coils and Boots we carry are:
- Premium OE Fit & Design Spark Plug Wire Set: Variable Pitch Mag Core, 2 Leads (19500220) – $43.49
- New OE Direct Ignition Coil, Direct Replacement (11868762) – $49.99
- Ignition Coil: Meets OE Specifications, 1 Count (12352051) – $69.99
- Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (12352022) – $98.99
- Premium OE Fit & Design Spark Plug Wire Set: Variable Pitch Mag Core, 6 Leads (19500240) – $99.99
Does Advance Auto Parts sell Ignition Coils and Boots for any other 2004 Kia models?
Yes. We stock Ignition Coils and Boots for 4 other popular 2004 Kia models. Some of the most popular are 2004 Rio Ignition Coils and Boots, 2004 Sorento Ignition Coils and Boots, 2004 Sedona Ignition Coils and Boots, 2004 Spectra Ignition Coils and Boots, and 2004 Amanti Ignition Coils and Boots.
What are the top-rated Ignition Coils and Boots that fit the 2004 Kia Optima?
The one 2004 Kia Optima Ignition Coils and Boot we have in stock is the Premium OE Fit & Design Spark Plug Wire Set: Variable Pitch Mag Core, 2 Leads. It costs $43.49.
What types of Ignition Coils and Boots do you sell for my 2004 Kia Optima?
As of 11/2/25, these are some of the most in-demand types of Ignition Coils and Boots for a 2004 Kia Optima:
Can I get help with 2004 Kia Optima Ignition Coils and Boot orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Kia Ignition Coils and Boots and more.
What is your return policy for Kia Optima Ignition Coils and Boots?
Advance Auto Parts keeps returns simple. For new Kia Optima Ignition Coils and Boots and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.