2003 Cadillac CTS Ignition Coils and Boots

Essential 2003 Cadillac CTS Ignition Coils and Boots

Driveworks – Distributorless Coil (Part No.26434)

Distributorless Coil

from

$56.05
Driveworks® offers a line of aftermarket parts and accessories that are commercially acceptable and competitively priced, which provides professional technicians and DIYers with an affordable alternative for repairs.

Product Features:
  • Direct-fit OE replacement ensures ease of installation
  • Designed to meet OE performance
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
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Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1789)

Ignition Coil: Meets or Exceeds OE Specifications, 1 Count

from

$56.99
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
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Delphi – Ignition Coil (Part No.GN10682)

Ignition Coil

from

$124.99
Delphi OE technology ignition products are validated to match the vehicles system; OE quality replacement parts for the right fit , form and function; Delphi coils provide OE performance, durability and electromagnetic capacity level requirements.

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
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E3 – Ultra-High Output LSx Coil, Chevrolet/GM (2005-current) (Part No.E3.602)

Ultra-High Output LSx Coil, Chevrolet/GM (2005-current)

from

$59.99
E3.602 is a specially designed high performance racing coil for LS based engines. Boasting a more durable housing and upgraded internals this coil offers up to 15% higher voltage and 20% more energy than OEM coils. Ideally suited for a wide range of both naturally aspirated and forced induction racing applications, E3.602 fits GM Gen IV engines including 4.8L, 5.3L, 6.0L, 6.2L and 7.0L. When coupled with an E3 Spark Plug featuring DiamondFIRE Technology, you’ll experience tire shredding power at its finest.

Product Features:
  • Up to 15% higher Voltage
  • Up to 20% More energy than OEM Coils
  • Fits 1999-2007 CM Gen IV 4.3L, 5.3L, 6.0L, 6.2L and 7.0L engines
  • Crosses to MSD 8265
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Carquest Premium – Ignition Coil Set: Meets or Exceeds OE Specifications, 6 Count (Part No.EBC1474-6)

Ignition Coil Set: Meets or Exceeds OE Specifications, 6 Count

from

$361.99
Carquest Premium ignition coil sets 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 coil sets 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 coil sets with an industry-leading warranty. Carquest Premium ignition coil sets 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
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DENSO – Original Equipment Quality Direct Ignition Coil (Part No.673-7300)

Original Equipment Quality Direct Ignition Coil

from

$85.99
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:
  • First Time Fit
  • Built to DENSO Original Equipment Standards
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Carquest Premium – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.EBC1009)

Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece

from

$68.99
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:
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • 100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
  • Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure confidence and product reliability, every time.
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Carquest – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.26C1033)

Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece

from

$62.99
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.

Product Features:
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • 100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
  • Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure confidence and product reliability, every time.
See More

Carquest Premium – Ignition Coil Set: Meets or Exceeds OE Specifications, 6 Count (Part No.EBC1009-6)

Ignition Coil Set: Meets or Exceeds OE Specifications, 6 Count

from

$299.99
Carquest Premium ignition coil sets 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 coil sets 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 coil sets with an industry-leading warranty. Carquest Premium ignition coil sets 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 – Ignition Coil (Part No.E405)

Ignition Coil

from

$80.05
BWD® is an aftermarket leader, providing a premium line of engine management products. BWD® manufactures and distributes high technology critical components for late model domestic and import vehicles. BWD® is constantly evolving to give customers the competitive edge they need to compete in today’s ever-changing marketplace.

Product Features:
  • Manufactured using high-quality materials to provide superior durability and long service life
  • Designed and engineered to ensure precise performance
  • Thermoplastic housing withstands heat stress for enhanced durability
  • Internal core made from grain-oriented electrical steel limits loss factor within magnetic circuit to reduce heat that may reduce coil endurance
  • External core made from oriented silicon steel ensures durability and longevity
  • Neodymium magnet produces max high voltage output at all speeds
  • Stainless steel spring resists corrosion
  • Tin-plated brass terminals improve electrical contact and protect against corrosion
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Driveworks – Ignition Coil (Part No.26405)

Ignition Coil

from

$79.05
Driveworks offers a line of aftermarket parts and accessories that are commercially acceptable and competitively priced, which provides professional technicians and DIYers with an affordable alternative for repairs.

Product Features:
  • Direct-fit OE replacement ensures ease of installation
  • Designed to meet OE performance
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
  • As the leader in commercially acceptable parts, we provide professional technicians with the quality parts they need
See More

Carquest Premium – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.EBC1186)

Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece

from

$83.99
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:
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • 100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
  • Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure confidence and product reliability, every time.
See More

Carquest Premium – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.EBA1102)

Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece

from

$61.99
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:
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • 100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
  • Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure confidence and product reliability, every time.
See More

Carquest – Ignition Coil: Meets OE Specifications, 1 Count (Part No.26C1053)

Ignition Coil: Meets OE Specifications, 1 Count

from

$55.99
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
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DENSO – Coil On Plug Boots-6 (Part No.671-6301)

Coil On Plug Boots-6

from

$71.99
DENSO First Time Fit COP boot sets are identical in form fit color and performance to the factory-installed boots. Every part of each COP boot set construction meets or exceeds OE/OES standards.

Product Features:
  • OE design ensures a tight boot seal that protects against moisture intrusion
  • High temperature resistant material provides greater protection against thermal overload
  • Stainless steel internal spring with resistor to suppress RFI and deliver maximum voltage to the plug
  • Engineered to the specifications used by the original vehicle manufacturer for an exact fit
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DENSO – Coil On Plug Boots-6 (Part No.671-6292)

Coil On Plug Boots-6

from

$133.99
DENSO First Time Fit COP boot sets are identical in form fit color and performance to the factory-installed boots. Every part of each COP boot set construction meets or exceeds OE/OES standards.

Product Features:
  • OE design ensures a tight boot seal that protects against moisture intrusion
  • High temperature resistant material provides greater protection against thermal overload
  • Stainless steel internal spring with resistor to suppress RFI and deliver maximum voltage to the plug
  • Engineered to the specifications used by the original vehicle manufacturer for an exact fit
See More

DENSO – Coil On Plug Boots-6 (Part No.671-6307)

Coil On Plug Boots-6

from

$66.99
DENSO First Time Fit COP boot sets are identical in form fit color and performance to the factory-installed boots. Every part of each COP boot set construction meets or exceeds OE/OES standards.

Product Features:
  • OE design ensures a tight boot seal that protects against moisture intrusion
  • High temperature resistant material provides greater protection against thermal overload
  • Stainless steel internal spring with resistor to suppress RFI and deliver maximum voltage to the plug
  • Engineered to the specifications used by the original vehicle manufacturer for an exact fit
See More

2003 Cadillac CTS Ignition Coils and Boots

Maybe you’re in the middle of a full rebuild of that 2003 Cadillac CTS. Maybe you just need a couple of Ignition Coils and Boots. Either way, Advance Auto Parts has 8 different Ignition Coils and Boots in our inventory ranging from $92.99 to $133.99. That means you can find the exact parts or products you need to keep that 2003 Cadillac CTS running smoothly.

Ignition Coils and Boots are only as good as their brand. We stock 6 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Cadillac CTS. Carquest Premium, Carquest, and Delphi are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Ignition Coils and Boots for your 2003 Cadillac CTS, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Ignition Coils and Boots to keep your 2003 Cadillac CTS rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Ignition Coils and Boots Brands To Make Your 2003 Cadillac CTS Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Cadillac CTS demands trusted brand parts and products to keep it running. Many trusted brands of Ignition Coils and Boots make up Advance Auto Parts’ inventory, and all are ready to help make your CTS the best it can be. Be sure to browse some of our top Ignition Coils and Boots brands and parts.

Popular Carquest Ignition Coils and Boots

We carry Carquest parts in our stock across Ignition Coils categories, plus more. For a 2003 Cadillac CTS, our most popular Carquest Ignition Coils and Boots include:
Ignition Coil
from $108.99
(3)
Ignition Coil
Ignition Coils

FAQs for 2003 Cadillac CTS Ignition Coils and Boots

What are the most purchased Ignition Coils and Boots for the 2003 Cadillac CTS?

Out of 8 Ignition Coils and Boots for the 2003 Cadillac CTS, the most popular in our inventory are:
Ignition Coil: Meets or Exceeds OE Specifications, 1 Count
from $92.99
This product is not rated
Ignition Coil: Meets or Exceeds OE Specifications, 1 Count
Ignition Coils
IGNITION COIL
from $122.99
This product is not rated
IGNITION COIL
Ignition Coils
IGNITION COIL
from $122.99
This product is not rated
IGNITION COIL
Ignition Coils