2003 Subaru WRX Ignition Parts
- TRQ®Ignition KitSubaru WRX / WRX STI 2003, Ignition Kit by TRQ®. If you want to keep your vehicle running like new, this high-quality product will help you fix the ignition-related problems. Made from durable materials and in compliance with strict...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$142.83$151.95Save $9.12 (6%)
- NGK®Laser Iridium™ Spark PlugSubaru WRX / WRX STI 2003, Laser Iridium™ Spark Plug by NGK®. Often specified as original equipment, NGK Laser Iridium spark plugs are the best combination of performance and longevity. Iridium tip is six (6) times harder than...$12.60
- Denso®Iridium TT™ Cold Type Spark PlugSubaru WRX Base 2003, Iridium TT™ Cold Type Spark Plug by Denso®. Ultimate Endurance and Power. 0.4 mm Iridium and 0.7 mm Platinum Twin-Tip Technology. Make your vehicle faster and more powerful with premium-quality performance fuel...$8.17
- NGK®Ignition CoilSubaru WRX / WRX STI with Distributorless Ignition 2003, Ignition Coil by NGK®. In our online store you can get this superior replacement product and take advantage of its impeccable design. Carefully engineered to OE specifications, it...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$79.18
- NGK®HX™ Ruthenium Spark PlugSubaru WRX / WRX STI 2003, HX™ Ruthenium Spark Plug by NGK®. NGK Spark Plugs is introducing the latest technology in high ignitability spark plugs to the automotive aftermarket NGK Ruthenium HX™. The ultimate high ignitability spark...$11.40
- TRQ®Ignition Coil SetSubaru WRX Base 2003, Ignition Coil Set by TRQ®. If you've had any symptoms of a failing ignition coil such as starting issues or poor fuel economy, get this top-grade product to fix these problems. Built to meet the OEM specifications,...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$109.56 - $128.73$112.95 - $136.95Save up to 6%
- Delphi®Ignition CoilSubaru WRX / WRX STI 2003, Ignition Coil by Delphi®. Delphi OE technology ignition products are validated to match the vehicles system. OE quality replacement parts for the right fit, form and function. Designed utilizing the latest...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$58.36
- Denso®Cold Type Iridium Long-Life Spark PlugSubaru WRX Base 2003, Cold Type Iridium Long-Life Spark Plug by Denso®. Iridium Long Life Plug - Patented Iridium Alloy Plug (90% Ir) with Platinum Ground Strap. Denso's patented Iridium alloy is more durable than even Platinum,...$9.28
- TRQ®Iridium Spark Plug SetSubaru WRX / WRX STI 2003, Iridium Spark Plug Set by TRQ®. This top-notch TRQ spark plug set is made to fix spark plug problems easily. With its help, you will restore your vehicle's quick starting. Plus, installing it is a simple task.Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$39.72$40.95Save $1.23 (3%)
- TRQ®Ignition Coil KitSubaru WRX Base 2003, Ignition Coil Kit by TRQ®. If you want to keep your vehicle running like new, this high-quality product will help you fix the ignition-related problems. Made from durable materials and in compliance with strict...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$124.57$133.95Save 7%
- TRQ®Ignition CoilSubaru WRX Base 2003, Ignition Coil by TRQ®. If you want to restore the performance of your vehicle’s ignition system, go with this top-notch product. Developed to ensure the OE-grade quality at a competitive price, this ignition coil...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$34.87 - $37.78$35.95 - $38.95Save 3%
- ACDelco®Gold™ Rapidfire Platinum Spark PlugSubaru WRX / WRX STI 2003, Gold™ Rapidfire Platinum Spark Plug by ACDelco®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$5.52
- Denso®Iridium Power™ Cold Type Spark PlugSubaru WRX Base 2003, Iridium Power™ Cold Type Spark Plug by Denso®. Iridium Ultimate Endurance and Power - Performance Upgrade with World's Smallest Center Electrode (0.4 mm Iridium and 0.7 mm Platinum Twin-Tip Technology) & Tapered...$5.51
- ACDelco®GM Original Equipment™ Conventional Nickel Spark PlugSubaru WRX / WRX STI 2003, GM Original Equipment™ Conventional Nickel Spark Plug 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$2.72
- Champion®Copper Plus Spark PlugSubaru WRX / WRX STI 2003, Copper Plus Spark Plug by Champion®. Built with nickel alloy center and ground electrodes, these spark plugs provide extra durability for long-lasting service life, while the extrusion of copper into the core...Copper Plus - Dependable Performance.Copper core center electrode allows for accurate control of heat range for longer life$2.11
- Standard®Intermotor™ Ignition CoilSubaru WRX / WRX STI with 12 Volt System 2003, Intermotor™ Ignition Coil 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$49.58
- Walker Products®Ignition CoilSubaru WRX / WRX STI with Distributorless Ignition 2003, Ignition Coil 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...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$45.74
- Denso®Original U-Groove Nickel Spark PlugSubaru WRX Base 2003, Original U-Groove Nickel Spark Plug by Denso®. OE Recommended Resistor Plug with Patented U-Groove Design. If you want to restore the original performance of your vehicle's ignition system, this product is what you...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$2.13
- Karlyn STI®Ignition CoilSubaru WRX Base 2003, Ignition Coil by Karlyn STI®. 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...Consistent high voltage output for optimum performanceState of the art epoxy injecting procedure eliminate air pockets$38.57
- Denso®Platinum TT™ Spark PlugSubaru WRX / WRX STI 2003, Platinum TT™ Spark Plug by Denso®. Unlock the performance of your engine and improve the operation of your ignition system with this quality product. Precision engineered in compliance with rigorous industry...$3.78
- Beck Arnley®Ignition CoilSubaru WRX Base 2003, Ignition Coil by Beck Arnley®. 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...Provides excellent starting connectionEngineered from premium materials$51.71
- NGK®Nickel Spark PlugSubaru WRX / WRX STI 2003, Nickel Spark Plug by NGK®. 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$2.46
- Denso®Double Platinum Spark PlugSubaru WRX Base 2003, Double Platinum Spark Plug by Denso®. Extra Long Life Double Platinum Plug with Platinum Ground Strap. Denso Double Platinum plug features platinum on both the center and ground electrodes. This precious metal...$8.29
- ACDelco®Gold™ Double Platinum Spark PlugSubaru WRX / WRX STI 2003, Gold™ Double Platinum Spark Plug by ACDelco®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$7.03
- SKP®Spark PlugSubaru WRX / WRX STI 2003, Spark Plug by SKP®. 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$4.11
- Autolite®XP™ Iridium Spark PlugsSubaru WRX / WRX STI 2003, XP™ Iridium Spark Plugs by Autolite®. With Resistor. Want to upgrade the ignition system of your vehicle to get ultimate combustion and maximum horsepower? Step up to Autolite. Featuring the ground-breaking...$4.70
- TRQ®Ignition Knock SensorSubaru WRX / WRX STI 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$34.87$35.95Save $1.08 (3%)
- Standard®Intermotor™ Ignition Knock SensorSubaru WRX / WRX STI 2003, Intermotor™ 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...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$49.73
- Mpulse®Ignition Knock Detonation SensorSubaru WRX / WRX STI 2003, Ignition Knock Detonation Sensor by Mpulse®. The Knock Sensor can detect mechanical stress and generates a voltage when the vehicle knocks or pings. Under heavy acceleration, it sends signals to the ECU and...Designed and fully tested to ensure voltage that meets OE specs for ideal performanceProtect engine from damaging detonation and pinging in all types of driving conditions$75.70
- Standard®Intermotor™ Ignition Coil ConnectorSubaru WRX / WRX STI 2003, Intermotor™ Ignition Coil Connector 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,...Manufactured to restore your vehicle’s ignition systemDesigned with your specific vehicle in mind$18.49
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2003 Subaru WRX Ignition Reviews
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Replacement ID0028AA0307R00 - Ignition CoilPosted by Jason (San Diego, CA) / June 18, 20242004 Subaru WRX
2003 Subaru WRX Models
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