2003 GMC Sierra Ignition Parts
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WVE®Ignition Lock CylinderGMC Sierra Automatic Transmission 2003, Ignition Lock Cylinder by WVE®. 4 Position. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$43.96 - $44.02 - Standard®Spark Plug Wire SetGMC Sierra 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 to fit and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$26.38 - $103.45
- Dorman®OE Solutions™ Ignition Starter SwitchGMC Sierra 2003, OE Solutions™ Ignition Starter Switch by Dorman®. An essential replacement item, Dorman's Ignition Power Switch enables your engine to turn over upon startup, restoring drivability. It also unlocks the power...This part has undergone a rigorous quality inspection to ensure high qualityEasy to install$19.40
- Delphi®Ignition Knock SensorGMC Sierra 2003, Ignition Knock Sensor by Delphi®. Manufactured to meet or exceed OE requirements. Delphi Knock Sensors help maximize engine performance with all fuels. Delphi Knock Sensors prevent engine damage from pre-ignition knocking.Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$31.94 - $51.28
- Standard®Ignition Lock CylinderGMC Sierra 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, it is sure to fit and...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$34.54 - $57.67
- WVE®Ignition SwitchGMC Sierra 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 functionality. Made to meet or...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$17.98
- SMP®Ignition Knock SensorGMC Sierra 4.8L / 5.3L / 6.0L 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...Designed with innovative manufacturing techniquesMade with the highest level of professionalism$64.39
- Original Engine Management®Ignition Lock CylinderGMC Sierra 2003, Ignition Lock Cylinder by Original Engine Management®. OEM offers the highest quality parts available. With vehicle systems becoming more and more complex, electronic components and sensors must be manufactured to...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$40.71
- Granatelli Motor Sports®High Performance Coil-Near-Plug Connector Kit with Lead Wire and JacketingGMC Sierra 2003, High Performance Coil-Near-Plug Connector Kit with Lead Wire and Jacketing by Granatelli Motor Sports®. Granatelli O ohm wires are patent protected by United States Patent number 7,185,622. This patent covers their...$254.51 - $321.54
- Taylor Cable®Street Thunder™ 8mm Ignition Wire SetGMC Sierra 2003, Street Thunder™ 8mm Ignition Wire Set by Taylor Cable®. Designed with efficiency and excellence in mind, this superior part is going to change the way your ignition system performed before. It delivers unsurpassed...$52.99
- Karlyn STI®Spark Plug Wire SetGMC Sierra 1500 4.3L 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 withstand high...Spiral coreStainless steel magnetic conductive winding$23.23
- Standard®Ignition Knock SensorGMC Sierra 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 and...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$29.31 - $48.11
- Walker Products®Ignition Knock SensorGMC Sierra 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 to fit...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$30.32 - $50.19
- Holstein®Ignition Knock Detonation SensorGMC Sierra 4.8L / 5.3L / 6.0L 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
- gpd®Ignition Knock SensorGMC Sierra 2003, Ignition Knock Sensor by gpd®. 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 function...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$22.91 - $28.44
- Standard®Ignition Starter SwitchGMC Sierra 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, it is sure to fit and...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
- SMP®Ignition Lock CylinderGMC Sierra Transmission without Accessory Position 2003, Ignition Lock Cylinder by SMP®. Standard® is the premier professional engine management brand in the automotive aftermarket today. Standard leads the way in advanced automotive...High quality at an affordable priceExpertly made from premium materials$51.17
- ACDelco®GM Original Equipment™ Spark Plug WireGMC Sierra 2003, GM Original Equipment™ Spark Plug Wire by ACDelco®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet...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$15.76 - $26.04Save: up to 15%$13.63 - $22.13
- Standard®Intermotor™ Headlamp Wiring HarnessGMC Sierra 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, best-performing parts...14 gauge wire for better conductivityComplete “plug and play” design plugs between the factory harness and new bulb for ease of installation$10.24
- Granatelli Motor Sports®High Performance Coil-Near-Plug Connector Kit with Lead WireGMC Sierra 2003, High Performance Coil-Near-Plug Connector Kit with Lead Wire by Granatelli Motor Sports®. Crafted with efficiency and longevity in mind, this superior product features a fusion of reliable design, tried-and-true...$224.14 - $229.38
- Taylor Cable®409 Spiro Pro™ Ignition Wire SetGMC Sierra 2003, 409 Spiro Pro™ Ignition Wire Set by Taylor Cable®. Designed with efficiency and excellence in mind, this superior part is going to change the way your ignition system performed before. It delivers unsurpassed...$107.05 - $126.94
- Taylor Cable®ThunderVolt™ 8.2mm Ignition Wire SetGMC Sierra 2003, ThunderVolt™ 8.2mm Ignition Wire Set by Taylor Cable®. Designed with efficiency and excellence in mind, this superior part is going to change the way your ignition system performed before. It delivers unsurpassed...$85.63
- Delphi®Spark Plug Wire SetGMC Sierra 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 installation....Pre-greased spark plug boots for quicker installationDelphi packard marked cable - OE component confirmation$54.89 - $79.50
- Prestolite®Spark Plug Wire SetGMC Sierra 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 to fit and...Built to match your exact requirementsOE quality parts from top original equipment and aftermarket manufacturers$67.31 - $98.66
- Standard®Tru-Tech™ Ignition Knock SensorGMC Sierra 4.8L / 5.3L / 6.0L 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
- Dorman®OE Solutions™ Ignition Knock SensorGMC Sierra 4.8L / 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 SensorGMC Sierra 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 meet...Excellent replacement for your worn-out factory partDesigned to keep your vehicle running reliably mile after mile$27.90 - $48.07
- SMP®Ignition SwitchGMC Sierra 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. Manufactured from...Designed specifically for motorcycle applicationsPerfect to help you work more efficiently$26.21
- United Motor Products®Ignition Knock SensorGMC Sierra 4.8L / 5.3L / 6.0L 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...Excellent replacement for your worn out factory partWill help make your vehicle running as good as new$27.45
- Beck Arnley®Ignition Knock SensorGMC Sierra 2003, Ignition Knock Sensor by Beck Arnley®. When investing in this superior product by Beck Arnley, expect to get the exact OEM look, function, and fit. The product was developed to stringent factory specifications and...Used to detect engine knocking and to retard the ignition correspondingly in order to prevent engine damageSensor mounted near the cylinder bores in the cylinder block$58.57
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