2003 Kia Optima Ignition Coils and Boots

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Keep Your 2003 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 2003 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, Ignition Coil Connectors, 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 and Carquest Premium. For example, NGK Ignition Coils and Boots start at just $99.99 with an average 4.8 star rating. Carquest Premium offer similar pricing and quality, backed by strong customer feedback. With over 20 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 2003 Kia Optima Ignition Coils and Boot at Advance Auto Parts is around $102.90, with a range that starts at $59.99 and goes up to $122.99. With 11 options in stock from 7 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 $89.99 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 Wires and Spark Plugs. At Advance Auto Parts, we’re here to help you keep your 2003 Kia Optima in peak condition, inside and out.

Essential 2003 Kia Optima Ignition Coils and Boots

Encore Automotive – Ignition Coil, Genuine OE (Part No.IC-K10013)

Ignition Coil, Genuine OE

from

$109.99
Encore Automotive Genuine OE Ignition Coil converts a 12-volt current to the high voltage energy needed to create an electric spark required to ignite the air-fuel mixture. Encore Automotive partners with the world¿s leading automakers to bring the latest Genuine OE and high-quality aftermarket components to market. You¿re willing to do the work to keep your car or truck going ¿ so, it only makes sense to go with Encore Automotive parts because when it comes to quality, fit and convenience, Encore has you covered.

Product Features:
  • Genuine OE Part
  • Direct fit and OE performance to ensure reliable voltage at all speeds
  • High quality materials provide durability and protection against corrosion
  • Consistent and effective combustion
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DENSO – Original Equipment Quality Direct Ignition Coil (Part No.673-8208)

Original Equipment Quality Direct Ignition Coil

from

$91.99
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

MANDO – New OE Direct Ignition Coil, Direct Replacement (Part No.21A0119)

New OE Direct Ignition Coil, Direct Replacement

from

$122.99
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:
  • Direct Original Equipment Replacement
  • Tested for Quality, Durability, and Reliability
  • Manufactured in Korea
See More

Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1024)

Ignition Coil: Meets or Exceeds OE Specifications, 1 Count

from

$81.99
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 (limited). 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:
  • 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
See More

Delphi – Ignition Coil (Part No.GN10910)

Ignition Coil

from

$81.99
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:
  • Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
  • Delphi ignition coils are designed to insert power into spark plugs to ensure fast starts, consistent engine performance and optimized fuel efficiency
  • Delphi uses smart winding process techniques to controls wire lengths, keeping voltage the same
  • We manufacture our ignition coils with a high quality wire coating that resists imperfections that lead to failure
See More

Delphi – Ignition Coil (Part No.GN10568)

Ignition Coil

from

$96.99
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:
  • Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
  • Delphi ignition coils are designed to insert power into spark plugs to ensure fast starts, consistent engine performance and optimized fuel efficiency
  • Delphi uses smart winding process techniques to controls wire lengths, keeping voltage the same
  • We manufacture our ignition coils with a high quality wire coating that resists imperfections that lead to failure
See More

Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1062)

Ignition Coil: Meets or Exceeds OE Specifications, 1 Count

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:
  • 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 Vehicle Solutions Technical Support available from ASE certified technicians: 1-866-687-5413
See More

Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 4 Count (Part No.EBC1069-4)

Ignition Coil: Meets or Exceeds OE Specifications, 4 Count

from

$301.99
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:
  • 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
See More

Delphi – Ignition Coil (Part No.GN10730)

Ignition Coil

from

$128.99
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:
  • Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
  • Delphi ignition coils are designed to insert power into spark plugs to ensure fast starts, consistent engine performance and optimized fuel efficiency
  • Delphi uses smart winding process techniques to controls wire lengths, keeping voltage the same
  • We manufacture our ignition coils with a high quality wire coating that resists imperfections that lead to failure
See More

Carquest Premium – Multi-Use Connector (Part No.PTA1468)

Multi-Use Connector

from

$71.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
See More

NGK – Direct Ignition Coil on Plug Boot: Premium Silicone (Part No.58987)

Direct Ignition Coil on Plug Boot: Premium Silicone

from

$8.79
NGK Coil on Plug Boots are built to stringent OEM tolerances, combining original equipment fit, design and outstanding durability. NGK Coil on Plug Boots are manufactured using only premium silicone and always include any required internal springs and ferrite resistors for superior performance and RFI noise suppression. Bridging the important link between ignition coil and spark plug, COP boots should always be replaced with NGK Coil on Plug Boots at the time as changing spark plugs to prevent ignition problems such as flashover.

Product Features:
  • PREMIUM GRADE SILICONE: Designed to withstand harsh environments
  • OEM MATCHED: Includes all required internal springs and ferrite resistors for superior performance and RFI noise suppression
  • LIMITED WARRANTY: See package for details
See More

Carquest Premium – Spark Plug Wire Set: 6 Wires, Increased performance, Designed for direct fit (Part No.35-6086)

Spark Plug Wire Set: 6 Wires, Increased performance, Designed for direct fit

from

$59.99
CARQUEST Premium Spark Plug Wire Sets are engineered to restore ignition wire reliability and performance. They are designed to meet or exceed OE design requirements, performance, fit, form and function of the OE wire. Stainless steel magnetic winding delivers maximum voltage to the spark plug for more powerful, and longer spark resulting in optimum engine performance while reducing the chance for misfire, and eliminating radio static.

Product Features:
  • SAEJ2031 Class E cable resist heat (428 Deg. F), cold (-104 Deg. F), electrical interference, abrasion and oil.
  • Stainless steel magnetic winding delivers maximum voltage to the spark plug for more powerful, and longer spark resulting in optimum engine performance while reducing the chance for misfire, and eliminating radio static.
  • 100% Pure silicone external insulation resists oil penetration, for lifetime protection against wire set failure.
  • EPDM inner insulation stops power-robbing voltage leaks.
  • With Magnetic-impregnated Kevlar internal conductors – durable and break resistant
  • Engineered to meet OEM tolerances using variable pitch wire winding, creating better resistance to electric magnetic interference (E.M.I resistance).
  • Excellent interference suppression and consistent performance
  • Easy lock terminals for more convenient installation.
  • Thick silicon outer jacket for excellent heat resistance. Insulating EPDM based compound inner jacket helps minimize voltage drop and enhance durability.
  • Broad coverage available for most vehicles on the road today
  • Include grease pack to ensure easy installation and removal
See More

NGK – Premium OE Fit & Design Spark Plug Wire Set: Variable Pitch Mag Core, 6 Leads (Part No.3878)

Premium OE Fit & Design Spark Plug Wire Set: Variable Pitch Mag Core, 6 Leads

from

$99.99
Product Features:
  • 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
See More

Most Popular Ignition Coil Boots for 2003 Kia Optimas

Enhance your 2003 Kia Optima with one of the 2 Ignition Coil Boots we have in stock, starting at just $59.99.

NGK – Premium OE Fit & Design Spark Plug Wire Set: Variable Pitch Mag Core, 6 Leads (Part No.3878)

Premium OE Fit & Design Spark Plug Wire Set: Variable Pitch Mag Core, 6 Leads

from

$99.99
Product Features:
  • 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
See More

Carquest Premium – Spark Plug Wire Set: 6 Wires, Increased performance, Designed for direct fit (Part No.35-6086)

Spark Plug Wire Set: 6 Wires, Increased performance, Designed for direct fit

from

$59.99
CARQUEST Premium Spark Plug Wire Sets are engineered to restore ignition wire reliability and performance. They are designed to meet or exceed OE design requirements, performance, fit, form and function of the OE wire. Stainless steel magnetic winding delivers maximum voltage to the spark plug for more powerful, and longer spark resulting in optimum engine performance while reducing the chance for misfire, and eliminating radio static.

Product Features:
  • SAEJ2031 Class E cable resist heat (428 Deg. F), cold (-104 Deg. F), electrical interference, abrasion and oil.
  • Stainless steel magnetic winding delivers maximum voltage to the spark plug for more powerful, and longer spark resulting in optimum engine performance while reducing the chance for misfire, and eliminating radio static.
  • 100% Pure silicone external insulation resists oil penetration, for lifetime protection against wire set failure.
  • EPDM inner insulation stops power-robbing voltage leaks.
  • With Magnetic-impregnated Kevlar internal conductors – durable and break resistant
  • Engineered to meet OEM tolerances using variable pitch wire winding, creating better resistance to electric magnetic interference (E.M.I resistance).
  • Excellent interference suppression and consistent performance
  • Easy lock terminals for more convenient installation.
  • Thick silicon outer jacket for excellent heat resistance. Insulating EPDM based compound inner jacket helps minimize voltage drop and enhance durability.
  • Broad coverage available for most vehicles on the road today
  • Include grease pack to ensure easy installation and removal
See More

Best-Selling 2003 Kia Optima Ignition Coil Connector

Upgrade your Optima with our best-selling Ignition Coil Connector.

Carquest Premium – Multi-Use Connector (Part No.PTA1468)

Multi-Use Connector

from

$71.99
Modern vehicles may have 100 or more electrical harness connectors in every operating system of the vehicle. Terminal tension may weaken with time or corrosion may occur within the connector housing making replacement necessary. When replacing any harness-connector assembly approved wire termination methods must be followed to ensure a successful and long-term solution to the original problem is made. A failed terminal connection, terminal corrosion or damaged wire will result in an electrical system fault.

Product Features:
  • Carquest electrical connectors meet or exceed OE wire gauge, insulation, and terminal material requirements.
  • Product constructed to meet all design and operating characteristics as intended by the manufacturer.
See More

Top-Quality Ignition Coils for 2003 Kia Optimas

Choose a high-quality OEM or aftermarket Ignition Coil for Kia Optimas and enjoy top-notch performance from $89.99.

Carquest – Ignition Coil: Meets OE Specifications, 1 Count (Part No.26C1074)

Ignition Coil: Meets OE Specifications, 1 Count

from

$89.99
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:
  • 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
See More

Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBE1803)

Ignition Coil: Meets or Exceeds OE Specifications, 1 Count

from

$121.99
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:
  • 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
See More

Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1795)

Ignition Coil: Meets or Exceeds OE Specifications, 1 Count

from

$101.99
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 (limited). 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:
  • 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
See More

Delphi – Ignition Coil (Part No.GN10417)

Ignition Coil

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:
  • Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
  • Delphi ignition coils are designed to insert power into spark plugs to ensure fast starts, consistent engine performance and optimized fuel efficiency
  • Delphi uses smart winding process techniques to controls wire lengths, keeping voltage the same
  • We manufacture our ignition coils with a high quality wire coating that resists imperfections that lead to failure
See More

MANDO – New OE Direct Ignition Coil, Direct Replacement (Part No.21A0119)

New OE Direct Ignition Coil, Direct Replacement

from

$122.99
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:
  • Direct Original Equipment Replacement
  • Tested for Quality, Durability, and Reliability
  • Manufactured in Korea
See More

Delphi – Ignition Coil (Part No.GN10303)

Ignition Coil

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:
  • Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
  • Delphi ignition coils are designed to insert power into spark plugs to ensure fast starts, consistent engine performance and optimized fuel efficiency
  • Delphi uses smart winding process techniques to controls wire lengths, keeping voltage the same
  • We manufacture our ignition coils with a high quality wire coating that resists imperfections that lead to failure
See More

Encore Automotive – Ignition Coil, Genuine OE (Part No.IC-K10013)

Ignition Coil, Genuine OE

from

$109.99
Encore Automotive Genuine OE Ignition Coil converts a 12-volt current to the high voltage energy needed to create an electric spark required to ignite the air-fuel mixture. Encore Automotive partners with the world¿s leading automakers to bring the latest Genuine OE and high-quality aftermarket components to market. You¿re willing to do the work to keep your car or truck going ¿ so, it only makes sense to go with Encore Automotive parts because when it comes to quality, fit and convenience, Encore has you covered.

Product Features:
  • Genuine OE Part
  • Direct fit and OE performance to ensure reliable voltage at all speeds
  • High quality materials provide durability and protection against corrosion
  • Consistent and effective combustion
See More

DENSO – Direct Ignition Coil (Part No.673-8205)

Direct Ignition Coil

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 2003 Kia Optima

When it comes to finding the perfect Ignition Coils and Boot for your 2003 Kia Optima, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 7 trusted brands. We carry the most popular Ignition Coils and Boot brands including NGK and Carquest Premium, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $59.99. Purchasing a Ignition Coils and Boot from us here at Advance Auto Parts is a smart move for both you and your 2003 Kia Optima, providing peace of mind with parts that meet or exceed OEM standards.

Popular NGK 2003 Kia Optima Ignition Coils and Boots

If you’re looking for a top-quality Ignition Coils and Boot for your 2003 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 2003 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.

Top-Quality Carquest Premium 2003 Kia Optima Ignition Coils and Boots

For those in search of a high-quality Ignition Coils and Boot for their 2003 Kia Optima, Advance Auto Parts offers a great selection of Carquest Premium Ignition Coils and Boots. With 1 Carquest Premium Ignition Coils and Boots in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Ignition Coils and Boots start at just $59.99, giving you a range of options to suit your budget. Backed by over 17 customer ratings and an average rating of 4.4 stars, Carquest Premium Ignition Coils and Boots provide both reliability and excellent performance. Choosing a Carquest Premium Ignition Coils and Boot from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.

FAQs for 2003 Kia Optima Ignition Coils and Boots

What are the best-selling Ignition Coils and Boots for 2003 Kia Optimas?

Out of 11 Ignition Coils and Boots that fit 2003 Kia Optimas, the following parts are the top sellers:

What’s the price range for 2003 Kia Optima Ignition Coils and Boots?

The prices of Ignition Coils and Boots for the 2003 Kia Optima range from $59.99 up to $122.99 for the most premium parts.

What is the average price of an Ignition Coils and Boot for a 2003 Kia Optima?

The average price for Ignition Coils and Boots for the 2003 Kia Optima is $102.90. 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?

Yes, we carry Ignition Coils and Boots for 18 model years of Kia Optimas between 2001 and 2020. The following model years are the most popular for Ignition Coils and Boot purchases: 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, and 2012.

What are the cheapest Ignition Coils and Boots for my 2003 Kia Optima?

Does Advance Auto Parts sell Ignition Coils and Boots for any other 2003 Kia models?

Yes. We stock Ignition Coils and Boots for 3 other popular 2003 Kia models. Some of the most popular are 2003 Rio Ignition Coils and Boots, 2003 Sorento Ignition Coils and Boots, 2003 Sedona Ignition Coils and Boots, and 2003 Spectra Ignition Coils and Boots.

What are the top-rated Ignition Coils and Boots that fit the 2003 Kia Optima?

The one 2003 Kia Optima Ignition Coils and Boot we have in stock is the Spark Plug Wire Set: 6 Wires, Increased performance, Designed for direct fit. It is rated 4.5 stars and costs $59.99.

What types of Ignition Coils and Boots do you sell for my 2003 Kia Optima?

As of 6/2/26, these are some of the most in-demand types of Ignition Coils and Boots for a 2003 Kia Optima:

Can I get help with 2003 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.