from

$34.49

This replacement ignition switch is a direct replacement for a damaged or worn-out original equipment switch Made of quality materials for durability, this part has been tested to ensure a proper fit.

Product Features:

Ideal replacement – this ignition switch matches the fit and function of the original equipment switch to restore proper operation to the ignition circuit
Durable construction – this ignition switch is made of quality materials to ensure reliable performance and a long service life
Cost-effective solution – offers original equipment performance at competitive price
Quality tested – this part has undergone try-on testing to ensure a quality fit

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$44.05

High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:

Designed to OE standards for ease of installation
Copper alloy conductors ensure superior electrical conductivity with low resistive losses
Our parts are 100% tested to verify both mechanical and electrical switching performance
Robust design and high grade materials meet the stringent demands of today’s service professional
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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$22.99

Building upon a foundation of premium full-line products established under NGK ignition and NTK oxygen sensor products, NTK’s expansion to technical sensors is part of our ongoing commitment to streamline product types and increase coverage under one premium brand: NTK, The Sensor Specialist. With over 80 years of automotive expertise, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NTK is the only OE supplier with a full-line of technical sensors in the aftermarket for import and domestic vehicles. Drawing from OE experience, NTK sensors undergo extreme testing conditions that include thermal shock, vibration and OBD verification. NTK sensors are manufactured to ensure a quality that meets or exceeds OE specifications. As new vehicles incorporate connected and automated technologies, trust The Sensor Specialist for full-line market support and OE application technology.

Product Features:

Reinforced and extra-strength components are used to reduce chance of part failure and prevent corrosion and moisture penetration. Mounting threads match OE for easy, worry free installation.
NTK’s Ignition Knock Sensors are manufactured to operational performance standards to meet or exceed OE fit, form and function to ensure proper ignition timing. This advanced technology is used for durability, drivability and fuel economy.
The Ignition Knock (Detonation) Sensor monitors vibrations caused by engine knock, or detonation, to alter the ignition timing and prevent detonation.

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$21.74

An ACDelco GM Original Equipment Ignition Knock (Detonation) Sensor monitors the engine for pinging or spark knock, and is a GM-recommended replacement for your vehicle’s original component. The sensor creates a voltage signal based on the vibrations caused by erratic air/fuel mixture combustion; the engine control module uses this signal to adjust the ignition timing and air/fuel mixture. This original equipment ignition knock sensor has been manufactured to fit your specific GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

Undergo the same stringent testing process as the original part
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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$23.29

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:

Our control modules feature double wire bonds for better connections, greater dependability and longer life despite being subjected to intense vibration and the tough operating environment
Copper slug heat sinks provide better heat dissipation to prevent heat from damaging the module
Our ignition modules will respond to a weak signal from the crankshaft position sensor and begin energizing the coils immediately for better starts in cold weather
High-temperature polymer housing reducing moisture intrusion and minimizes vibration damage for extended life and improved reliability
Our ignition modules are durability tested for 500 thermal cycles ranging from -40C to +125C

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$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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$97.75

Ignition Wire Set

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$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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$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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$39.99

Shock Absorber

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$5.79

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

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$92.99

ACDelco Professional Spark Plug Wire Sets consist of a set of wires, encased in an insulating material, connectors, and insulating boots, and are a high quality replacement for many vehicles on the road today. The wires transfer high voltage pulses between the voltage source, the distributor, and the spark plugs. These premium aftermarket replacement components are manufactured to meet your expectations for fit, form, and function.

Product Features:

Professional, premium aftermarket replacement
Provides the performance and dependability you expect from ACDelco
Manufactured to meet expectations for fit, form, and function

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$145.99

ACDelco GM Original Equipment Spark Plug Wire Sets consist of a set of wires, encased in an insulating material, connectors, and insulating boots, and are GM-recommended replacements for your vehicle’s original components. The wires transfer high voltage pulses between the voltage source, the distributor, and the spark plug. These original equipment wires have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:

Durable to help transfer high voltage pulses without damage
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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$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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$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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$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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$78.99

NGK ultra-low resistance mag core wire sets provide outstanding performance and durability. High-temp premium silicone outer jacket and inner EPDM/silicone insulation contain high voltage currents for excellent dielectric strength. Stainless steel winding

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 C, 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
CYLINDER LEAD ID: Cylinder lead identification tags where possible make installation easier

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$11.36

Prenco Coil on Plug Boots provide the best protection possible for your ignition system versus the harsh environment created by the modem day engine. Prenco Coil on Plug Boots are constructed using the finest quality materials and compounds, and produced with superior quality tooling that exactly matches the Original Equipment Boot.

Product Features:

Prenco Coil on Plug Boots are produced using precise computer designed tooling and premium quality materials/compounds that are formulated to perform in extreme temperatures.
Prenco Coil on Plug Boots are designed as a direct replacement for the OE Boot. Springs, grommets and ferrite resistors are provided for all applications where applicable.
Inspect and replace Coil on Plug Boots every 50,000 miles and/or with every spark plug change to ensure optimum engine efficiency and performance.
Replacing Coil and Plug Boots at regular intervals will prevent/correct misfires and will help to minimize further costly damage to Ignition Coils, Sensors, Catalytic Convertors, and ECUs.

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$5.49

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

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$164.99

ACCEL now offers the cure for burnt spark plug boots with Extreme 9000 Ceramic wire kits. The 8mm Ferro-Spiral core wire now has ceramic boots on the spark plug end of the wires. Ceramic boots withstand up to 2,000 degrees. Great for running headers with close tolerances, an engine bay with little room, or an RV with boots that melt because of heat. Ultra high-temperature double silicone construction wire rated at 600 degrees Fahrenheit peak. 500 ohms/ft Ferro-Spiral core developed for performance use. Excellent energy delivery to the spark plugs, while providing the highest level of RFI/EMI suppression. Stainless steel spark plug terminals for maximum spark energy to the plugs. Pre-made to factory lengths for a perfect fit. In addition to 1997-2015 Gen 3/4 LS, also a direct fit for Gen V GM engines: 2015-2016 Cadillac Escalade 6.2L 2016 Chevrolet Camaro 6.2L 2014-2016 Chevrolet Corvette 6.2L 2015-2016 Chevrolet Corvette Z06 6.2L 2014-2016 Chevrolet Silverado 1500 4.3L/5.3L/6.2L 2015-2016 Chevrolet Suburban 5.3L 2015-2016 Chevrolet Tahoe 5.3L 2014-2016 GMC Sierra 1500 4.3L/5.3L/6.2L 2015-2016 GMC Yukon 5.3L/6.2L

Product Features:

Total length= 12″
Straight Spark Plug Boot
Black Ceramic boots withstand up to 2,000░ Fahrenheit
Black Ceramic boots withstand up to 2,000° Fahrenheit
8mm double silicone construction black wire rated at 600░ F rated
8mm double silicone construction black wire rated at 600° F rated
500 Ohms/foot ferro sprial core offers the highest level of RFI/EMI suppression
Stainless Steel Plug Terminals

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$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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$107.99

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 year’s experience and are driven by extreme dedication to innovation, performance and quality. 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

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

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$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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$45.99

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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$9.49

Manufactured to the strictest OE performance, durability and emissions standards.

Product Features:

OE grade platinum on both center and ground electrods
Premium shell construction with machine-rolled threads
Superior thermal conductivity
Sustained spark performance over 60,000 miles
Reduced secondary required voltage, increased ignition efficiency
Satisfied customers, reduced shop comebacks
Double Platinum
OE Performance: Designed to meet original equipment (OE) performance standards for optimal vehicle compatibility and efficiency.
Tapered Seat Type: Equipped with a tapered seat type for a secure fit and improved combustion efficiency.

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$14.51

Step up to the latest spark plug technology with ACDelco’s Professional Iridium Spark Plugs. Designed to last more than 100,000 miles in most applications, ACDelco Iridium Plugs are the ideal replacement for today’s top-performing vehicles.

Product Features:

Iridium is one of the hardest metals used in spark plugs today, which allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration.
Latest evolution in high-performance plug electrode material.
Improved cold-starting and acceleration characteristics.
Reduced ignition-system voltage demand saves wear and tear.
New-vehicle applications using iridium plugs continue to increase.

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$10.99

Durability of an OE style plug combined with Power & Torque of high performance.

Product Features:

0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
Durability of an OE style plug combined with Power & Torque of high performance.
Withstands temperatures greater than 4000┬░ Fahrenheit
Iridium TT
Advanced Twin-Tip Technology: Combines a Fine Wire Iridium Center Electrode with a Needle Tip Platinum Ground Electrode for superior ignition and efficiency.
Enhanced Fuel Economy and Lower Emissions: Designed to provide better fuel economy and reduced emissions, allowing you to drive around the Earth over 4 times.
Original Equipment Specification: Developed from the Super Ignition Plug (SIP) design, ensuring reliable and consistent performance.

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$2.99

Dependable Performance, OE Replacement, RS12YC. This Champion® spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. The Copper Plus design ensures dependable performance and durability, while the copper core center electrode allows for accurate control of heat range, extending the spark plug’s life. Built to ISO and SAE standards, it offers superior corrosion resistance and proven performance. The nickel center electrode tip and tapered seat type further enhance its reliability, making it an excellent choice for maintaining your engine’s efficiency.

Product Features:

Copper Plus – Dependable Performance and Durability
Copper core center electrode allows for accurate control of heat range for longer life
Superior corrosion resistance
Built to ISO and SAE standards for proven performance
Built to ISO and SAE standards for proven performance
Enhanced Conductivity and Heat Control: The Champion Copper Plus Spark Plug features a copper core electrode that provides increased conductivity and heat control, ensuring good overall wear and extending the spark plug’s life.
Reliable Nickel Center Electrode Tip: Featuring a nickel center electrode tip and a tapered seat type, this spark plug enhances reliability and ensures optimal engine performance.

2003 Chevrolet Trailblazer Ignition and Tune-Up Products

More 2003 Chevrolet Trailblazer Ignition and Tune-Up Products Categories

Essential 2003 Chevrolet Trailblazer Ignition and Tune-Up Products

Dorman – Ignition Starter Switch (Part No.924-715)

Carquest – Ignition Switch (Part No.CS643)

NTK – Ignition Knock (Detonation) Sensor (Part No.ID0300)

ACDelco – GM Original Equipment Ignition Knock (Detonation) Sensor (Part No.F6020430220ACD)

Carquest – Cornering Light Socket (Part No.PT189)

Carquest Premium – Coil On Plug Insulator Boot: Spring included, Designed for direct fit (Part No.35-7081)

Delphi – Ignition Wire Set (Part No.F10203329509DEL)

Carquest Premium – Ignition Coil Connector (Part No.PTA1335)

Carquest Premium – Ignition Coil Connector (Part No.PTA1566)

Suncore – Shock Absorber (Part No.12S251020)

NGK – Coil on Plug Boot (Part No.58921)

ACDelco – Specific FitSpark Plug Wire Set: Fiberglass Reinforced Latex Graphite Core (Part No.9748RR)

ACDelco – Spark Plug Wire Set (Part No.748RR)

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

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

DENSO – Coil On Plug Boots-6 (Part No.671-6069)

NGK – NGK Wire Set (Part No.51436)

Prenco – Prenco Direct Ignition Coil Boot (Part No.F3006183094PRN)

NGK – Coil on Plug Boot (Part No.58981)

Accel – Wire:X9000 Ls Ceramic 180 11In-Black (Part No.9059CK)

MSD Ignition – Coils; Street Fire; GM LS2/3/4/7/9; 05-13; 8-Pack (Part No.55118)

NGK – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.48844)

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

Carquest Premium – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.EBC1835)

DENSO – Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PT16VR13 (Part No.5068)

ACDelco – Professional Iridium Spark Plug (Part No.F1000947406ACD)

DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, last 100K+ Miles, IT16TT (Part No.4713)

Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RS12YC (Part No.401)

Popular 2003 Chevrolet Trailblazer Ignition and Tune-Up Products Categories

2003 Chevrolet Trailblazer Ignition and Tune-Up Products

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FAQs for 2003 Chevrolet Trailblazer Ignition and Tune-Up Products

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