2003 Chevy Trailblazer Ignition Parts
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- SMP®Ignition Knock SensorChevy Trailblazer EXT 5.3L 2003, Ignition Knock Sensor by SMP®. Standard® is the premier professional engine management brand in the automotive aftermarket today. Standard leads the way in advanced automotive technology with more than...Designed with innovative manufacturing techniquesMade with the highest level of professionalism$64.39
- Dorman®OE Solutions™ Ignition Lock CylinderChevy Trailblazer / Trailblazer EXT 2003, OE Solutions™ Ignition Lock Cylinder by Dorman®. Dorman Ignition Lock Cylinders are part of the Ignition Lock Assembly. The purpose of the Ignition Lock Cylinder is to provide a level of...Direct replacement and operationIncludes easy to follow instructions with no need for any specialized tools or equipment$36.66
- TRQ®Ignition Knock SensorChevy Trailblazer 2003, Ignition Knock Sensor by TRQ®. Don't wait and replace your faulty ignition knock (detonation) sensor that’s your first line of alert in the event of your engine is experiencing detonation problems. This...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$22.95 - $30.95Save: up to 6%$22.03 - $29.09
- TRQ®Ignition Knock Sensor KitChevy Trailblazer EXT 5.3L 2003, Ignition Knock Sensor Kit by TRQ®. Don't wait and replace your faulty ignition knock (detonation) sensor that’s your first line of alert in the event of your engine is experiencing detonation problems....Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$30.95 - $84.95Save: up to 6%$29.09 - $80.70
- Standard®Ignition Lock CylinderChevy Trailblazer / Trailblazer EXT 2003, Ignition Lock Cylinder by Standard®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications,...Each ignition switch is a direct-fit replacement electrically operated switch that replaces damaged OE units restoring ignition functionEach ignition switch is tested to verify both mechanical and electrical switching performance$42.43
- Standard®Ignition Starter SwitchChevy Trailblazer / Trailblazer EXT 2003, Ignition Starter Switch by Standard®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications,...Each ignition switch is a direct-fit replacement electrically operated switch that replaces damaged OE units restoring ignition functionIgnition switch is tested to verify both mechanical and electrical switching performance$20.45
- ACDelco®GM Original Equipment™ Ignition Knock SensorChevy Trailblazer 2003, GM Original Equipment™ Ignition Knock Sensor by ACDelco®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$33.12 - $72.21Save: 15%$28.15 - $61.29
- Standard®Spark Plug Wire SetChevy Trailblazer EXT 5.3L 2003, Spark Plug Wire Set by Standard®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$42.25 - $115.01
- NTK®Ignition Knock SensorChevy Trailblazer 2003, Ignition Knock Sensor by NTK®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$21.59 - $51.10
- Granatelli Motor Sports®MPG+™ Spark Plug Wire SetChevy Trailblazer 2003, MPG+™ Spark Plug Wire Set by Granatelli Motor Sports®. Get these top-notch spark plug wires to achieve maximum performance out of your ignition system. They are designed with precision and functionality in mind...$129.20
- WVE®Ignition SwitchChevy Trailblazer / Trailblazer EXT 2003, Ignition Switch by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$17.98
- ACDelco®Professional™ Ignition Lock CylinderChevy Trailblazer / Trailblazer EXT 2003, Professional™ Ignition Lock Cylinder by ACDelco®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$54.80Save: $8.22 (15%)$46.58
- Karlyn STI®Spark Plug Wire SetChevy Trailblazer EXT 5.3L 2003, Spark Plug Wire Set by Karlyn STI®. Get these top-notch spark plug wires to achieve maximum performance out of your ignition system. They are designed with precision and functionality in mind to...Spiral coreStainless steel magnetic conductive winding$29.92
- Walker Products®Ignition Knock SensorChevy Trailblazer 2003, Ignition Knock Sensor by Walker Products®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$41.82 - $54.15
- Standard®Ignition Knock SensorChevy Trailblazer 2003, Ignition Knock Sensor by Standard®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure to fit...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$24.68 - $52.17
- Holstein®Ignition Knock Detonation SensorChevy Trailblazer EXT 5.3L 2003, Ignition Knock Detonation Sensor by Holstein®. OE Replacement Parts You Can Trust. The Knock Sensor is able to detect mechanical stress and produces a voltage when the car knocks or pings. Under heavy...Holstein utilizes only premium materials to ensure durability and reliable serviceGlobal coverage of European, Asian, and Domestic vehicles$27.81
- ACDelco®GM Original Equipment™ Spark Plug WireChevy Trailblazer EXT 5.3L 2003, GM Original Equipment™ Spark Plug Wire by ACDelco®. Individual Lead, Black Cable. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art...ACDelco GM OE wire sets are designed to be like Original Equipment in critical areas such as cable length and diameter, terminal design and insulator positionProvide a high degree of Radio Frequency Interference (RFI) suppression$29.29Save: 15%$24.90
- Delphi®Spark Plug Wire SetChevy Trailblazer EXT 5.3L 2003, Spark Plug Wire Set by Delphi®. Pre-greased spark plug boots for quicker installation. Delphi packard-marked cable for oe component confirmation. OE boots, terminals, and lead lengths for no hassle...Pre-greased spark plug boots for quicker installationDelphi packard marked cable - OE component confirmation$96.80
- Standard®Intermotor™ Headlamp Wiring HarnessChevy Trailblazer 2003, Intermotor™ Headlamp Wiring Harness by Standard®. For over 100 years, professional technicians have trusted Standard® to replace the failed OE part. Standard® manufacturers the highest-quality,...14 gauge wire for better conductivityComplete “plug and play” design plugs between the factory harness and new bulb for ease of installation$10.24
- SMP®Spark Plug Wire SetChevy Trailblazer EXT 5.3L 2003, Spark Plug Wire Set by SMP®. Standard® is the premier professional engine management brand in the automotive aftermarket today. Standard leads the way in advanced automotive technology with more than...High quality at an affordable priceExpertly made from premium materials$85.91
- Granatelli Motor Sports®Spark Plug Wire SetChevy Trailblazer 2003, Spark Plug Wire Set by Granatelli Motor Sports®. Crafted with efficiency and longevity in mind, this superior product features a fusion of reliable design, tried-and-true materials, and innovation. It will make...$129.20
- Prestolite®Spark Plug Wire SetChevy Trailblazer EXT 5.3L 2003, Spark Plug Wire Set by Prestolite®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is sure...Built to match your exact requirementsOE quality parts from top original equipment and aftermarket manufacturers$148.99
- Dorman®OE Solutions™ Ignition Knock SensorChevy Trailblazer EXT 5.3L 2003, OE Solutions™ Ignition Knock Sensor by Dorman®. Dorman offers a comprehensive line of Ignition Coil Connectors for a wide range of applications. All the Ignition Coil Connectors are constructed of...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$52.94
- WVE®Ignition Knock SensorChevy Trailblazer 2003, Ignition Knock Sensor by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality. Made to...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$32.32 - $48.07
- Standard®Tru-Tech™ Ignition Knock SensorChevy Trailblazer EXT 5.3L 2003, Tru-Tech™ Ignition Knock Sensor by Standard®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$34.59
- SMP®Ignition SwitchChevy Trailblazer / Trailblazer EXT 2003, Ignition Switch by SMP®. This top-grade product is expertly made in compliance with stringent industry standards to offer a fusion of a well-balanced design and high level of craftsmanship....Designed specifically for motorcycle applicationsPerfect to help you work more efficiently$26.21
- United Motor Products®Ignition Knock SensorChevy Trailblazer EXT 5.3L 2003, Ignition Knock Sensor by United Motor Products®. Keep your pride and joy operating as it should with this top-notch part from United Motors Products. It’s made using the finest materials and advanced...Excellent replacement for your worn out factory partWill help make your vehicle running as good as new$27.45
- AutoTecnica®Ignition Knock SensorChevy Trailblazer EXT 5.3L 2003, Ignition Knock Sensor by AutoTecnica®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to stringent OE specifications, it is...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$38.18
- ACDelco®GM Genuine Parts™ Ignition Control ModuleChevy Trailblazer / Trailblazer EXT 4.2L 2003, GM Genuine Parts™ Ignition Control Module by ACDelco®. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. Engineered to...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$129.50Save: $20.48 (16%)$109.02
- SMP®Ignition Coil ConnectorChevy Trailblazer EXT 5.3L 2003, Ignition Coil Connector by SMP®. Standard® is the premier professional engine management brand in the automotive aftermarket today. Standard leads the way in advanced automotive technology with more...Coil-on-Plug bootFor vehicles with direct ignition$26.74
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