2003 Chevrolet Trailblazer Ignition Coils and Boots

Essential 2003 Chevrolet Trailblazer Ignition Coils and Boots

Accel – Pc Wire Set 99-11 GM 8-Cyl (Part No.118064)

Pc Wire Set 99-11 GM 8-Cyl

from

$68.99
Pc Wire Set 99-11 GM 8-Cyl

Carquest Premium – Spark Plug Wire Set (Part No.35-8346)

Spark Plug Wire Set

from

$83.99
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 del

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
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Carquest Premium – Coil On Plug Insulator Boot Multi Pack, Spring included (Part No.38-007GMP)

Coil On Plug Insulator Boot Multi Pack, Spring included

from

$38.99
CARQUEST Premium coil on plug boots are engineered to restore ignition boot reliability and performance. We have OE design providing an exact direct fit for your application and the performance and durability meet or exceed OE requirements. It offers excellent heat resistance as well as maximum protection against spark loss. With durable silicone compound for resistance to high heat or abrasion.

Product Features:
  • 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 coil boot
  • Design for direct compatibility
  • OE design provides an exact fit for your application
  • Multipack provides one time replace all COP for better deal
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Carquest Premium – Coil On Plug Insulator Boot: Spring included, Designed for direct fit (Part No.35-7081)

Coil On Plug Insulator Boot: Spring included, Designed for direct fit

from

$8.99
CARQUEST Premium coil on plug boots are engineered to restore ignition boot reliability and performance. We have OE design providing an exact direct fit for your application and the performance and durability meet or exceed OE requirements. It offers excellent heat resistance as well as maximum protection against spark loss. With durable silicone compound for resistance to high heat or abrasion.

Product Features:
  • 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 coil boot
  • Design for direct compatibility
  • OE design provides an exact fit for your application
  • Multipack provides one time replace all COP for better deal
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Delphi – Ignition Wire Set (Part No.F10203329509DEL)

Ignition Wire Set

from

$97.75
Ignition Wire Set

DENSO – Coil On Plug Boots-6 (Part No.671-6293)

Coil On Plug Boots-6

from

$53.99
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.671-6069)

Coil On Plug Boots-6

from

$26.99
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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Carquest Premium – Ignition Coil Seal (Part No.FAA1099)

Ignition Coil Seal

from

$18.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Designed to match OE in form to ensure proper, trouble free fit
  • Premium quality materials for longer service life
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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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Accel – Coil:GM Ls2 Ls3 Ls7 (Part No.140043)

Coil:GM Ls2 Ls3 Ls7

from

$79.99
ACCEL Super Coils feature advanced bobbin technology, highly specialized silicon magnetic steel cores, optimized windings, proper resistance and engineered turn ratios that deliver a high performance, quality coil. Specialized high temperature epoxy resists shock and vibration, while increasing thermal conductivity. These are direct high performance replacements for OEM coils.

Product Features:
  • These coils feature advanced bobbin technology.
  • Highly specialized silicone magnetic steel cores with optimized windings
  • Specialized high temperature epoxy filled housings resists shock, vibration, chemicals, and overall engine bay environment.
  • These are a direct performance bolt on upgrade.
  • The ACCEL bodies are molded in a high dielectric strength material.
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Delphi – Ignition Coil (Part No.GN10165)

Ignition Coil

from

$91.99
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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Carquest – Ignition Coil: Meets OE Specifications, 1 Count (Part No.26A1042)

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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Carquest Premium – Ignition Coil Set: Meets or Exceeds OE Specifications, 6 Count (Part No.EBC1835-6)

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

from

$202.99
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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Carquest – Ignition Coil (Part No.E997)

Ignition Coil

from

$45.99
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:
  • Motorcycle Wire Set
  • Electronic ignition module profile and feedback signal ensures proper OE fit, form, and function
  • 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
  • Stainless steel spring resists corrosion
  • Tin-plated brass terminals improve electrical contact and protect against corrosion
  • High-dielectric epoxy injected into case and pulled into vacuum to eliminate air pockets and prevent moisture intrusion or thermal breakdown
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Driveworks – Coil on Plug Coil (Part No.26427)

Coil on Plug 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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GM Genuine Parts – Ignition Coil (Part No.19300921)

Ignition Coil

from

$167.99
Product Features:
  • For proper installation, locate your nearest GM dealer, independent service center, or body shop
  • Precise fit for ease of installation
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MSD Ignition – Coil; Pro Power; GM LS2/3/4/7/9; 05-13 Single (Part No.8287)

Coil; Pro Power; GM LS2/3/4/7/9; 05-13 Single

from

$169.99
MSD ignition’s Multiple Spark Coils (MSC) will fit in place of the stock gen-III GM coils and connect directly to the factory connectors. Once installed, you’ll have the power and performance of higher energy sparks, crowned with MSD’s multiple spark discharge. Increased spark energy and voltage, along with multiple spark capabilities, help improve the combustion process of the fuel mixture to create an efficient burn. This results in improved throttle response, smooth idle and quick starts, plus increased high rpm performance. The MSC delivers up to three times the current of the stock coils. Plus, the coils fire multiple times.

Product Features:
  • Multiple Sparks At Idle RPM
  • Improved Spark Energy And Voltage Output
  • Patented Winding Design and Materials
  • Direct Bolt-In to Factory Connectors
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MSD Ignition – Coils; Street Fire; GM LS2/3/4/7/9; 05-13; 8-Pack (Part No.55118)

Coils; Street Fire; GM LS2/3/4/7/9; 05-13; 8-Pack

from

$449.99
MSD Street Fire coils will improve the performance of your late model GM or Ford vehicle. The E-core dual connector and TFI coils feature epoxy-filled construction and 48,000 maximum volts. They mount directly in place of the factory coil and accept the factory connectors for an easy installation.

Product Features:
  • Increased Spark Energy Over The Entire RPM Range Of The Engine
  • Coils Bolt In Place Of The Factory Units
  • Accepts OEM Connections For A Simpler Installation
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Carquest Premium – Ignition Coil Connector (Part No.PTA1335)

Ignition Coil Connector

from

$48.49
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Carquest Premium – Ignition Coil Connector (Part No.PTA1566)

Ignition Coil Connector

from

$19.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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ACDelco – Gray Multi-Purpose Pigtail (Part No.PT2655)

Gray Multi-Purpose Pigtail

from

$72.99
ACDelco GM Original Equipment Pigtail Connectors are connectors ready to be spliced into vehicle harnesses, and are GM-recommended replacements for your vehicle’s original components. These original equipment pigtail connectors have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Protective outer coverings help provide long-lasting durability
  • Color-coded wires allow for easy installation
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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2003 Chevrolet Trailblazer Ignition Coils and Boots

Maybe you’re in the middle of a full rebuild of that 2003 Chevrolet Trailblazer. Maybe you just need a couple of Ignition Coils and Boots. Either way, Advance Auto Parts has 10 different Ignition Coils and Boots in our inventory ranging from $18.99 to $167.99. That means you can find the exact parts or products you need to keep that 2003 Chevrolet Trailblazer 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 Chevrolet Trailblazer. Carquest, Carquest Premium, 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 Chevrolet Trailblazer, 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 Chevrolet Trailblazer 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 Chevrolet Trailblazer Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Chevrolet Trailblazer 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 Trailblazer 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 Chevrolet Trailblazer, our most popular Carquest Ignition Coils and Boots include:
Ignition Coil
from $80.05
(29)
Ignition Coil
Ignition Coils

FAQs for 2003 Chevrolet Trailblazer Ignition Coils and Boots

What are the most purchased Ignition Coils and Boots for the 2003 Chevrolet Trailblazer?

Out of 10 Ignition Coils and Boots for the 2003 Chevrolet Trailblazer, the most popular in our inventory are:
Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece
from $73.99
This product is not rated
Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece
Ignition Coils
Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece
from $81.99
This product is not rated
Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece
Ignition Coils
Ignition Coil
from $104.99
(4)
Ignition Coil
Ignition Coils