2003 Cadillac CTS Ignition Coils

Your 2003 Cadillac CTS might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Ignition Coils you desperately need.

We currently carry 7 Ignition Coils to choose from for your 2003 Cadillac CTS, and our inventory prices range from as little as $92.99 up to $122.99.

On top of low prices, Advance Auto Parts offers 5 different trusted brands of Ignition Coils for the 2003 Cadillac CTS. We only sell parts from trusted brands like Carquest Premium so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 6 reviews on our Ignition Coils for the 2003 Cadillac CTS from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Ignition Coils stock in-person!

Ignition Coils for Your 2003 Cadillac CTS

Carquest – Ignition Coil (Part No.E328)

Ignition Coil

from

$108.99
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
  • A full E-Lam core of silicon steel and solid brass high voltage terminals protects against corrosion. Our ignition coils are built for maximum output voltage
  • Primary and Secondary windings feature enamel magnet wire for the highest temperature rating in the aftermarket
  • As a tier I manufacturer with engineering and design capabilities second to none, our ignition coils are made to the highest quality standards
  • BWD is a global manufacturer of original equipment ignition products, complete quality control is maintained through the manufacturing process from componentry to finished product
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Carquest Premium – Ignition Coil: Meets or Exceeds OE Specifications, 1 Count (Part No.EBC1365)

Ignition Coil: Meets or Exceeds OE Specifications, 1 Count

from

$92.99
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.GN10329)

IGNITION COIL

from

$122.99
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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Delphi – IGNITION COIL (Part No.GN10332)

IGNITION COIL

from

$122.99
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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Bosch – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.0221503026)

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

from

$119.99
All the ignition coils are built to achieve or exceed OE specifications and are known industry-wide for their reliability and performance. the ignition coils convert low voltage into high ignition system voltage, creating an electric spark sent to the spark plugs which ignites the fuel. the ignition coils provide excellent mechanical stability and corrosion protection. Also, the ignition coils contribute to lower fuel consumption and reduced exhaust emissions for your vehicle.

Product Features:
  • Meets or exceeds OEM specification
  • Ensures reliable voltage for smooth engine performance
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Bosch – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.0221503027)

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

from

$117.99
All the ignition coils are built to achieve or exceed OE specifications and are known industry-wide for their reliability and performance. the ignition coils convert low voltage into high ignition system voltage, creating an electric spark sent to the spark plugs which ignites the fuel. the ignition coils provide excellent mechanical stability and corrosion protection. Also, the ignition coils contribute to lower fuel consumption and reduced exhaust emissions for your vehicle.

Product Features:
  • Meets or exceeds OEM specification
  • Ensures reliable voltage for smooth engine performance
See More

WSO – Ignition Coil (Part No.F3000223711WSO)

Ignition Coil

from

$107.15
Ignition Coil

FAQs for 2003 Cadillac CTS Ignition Coils

What are the most popular Ignition Coils for the 2003 Cadillac CTS?

With 5 brands you can trust, our most popular Ignition Coils for the 2003 Cadillac CTS parts 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 $108.99
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Ignition Coil
Ignition Coils
IGNITION COIL
from $122.99
This product is not rated
IGNITION COIL
Ignition Coils