2003 Subaru WRX Performance Ignition Systems

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    • E3® Spark Plug
      (0 reviews)
      # 12195093
      Subaru WRX 2003, 0.750" Spark Plug by E3®, 1 Piece. With Gasket Seat. Thread Size: 14 mm. Hex Size: 5/8". If you need a replacement for your damaged spark plug, this is the part you should have. Featuring unique DiamondFire...
      Advanced DiamondFire electrode designProduces a faster burn
      $5.95
    • ZEX™ Hyperformance™ Spark Plug
      (1 reviews)
      # 13907654
      Subaru WRX 2003, Hyperformance™ Spark Plug by ZEX™. 14mm Thread; 3/4 in. Reach; Gasket Seat Design; For Engines Using Nitrous/Turbos/Blowers.
      Igniter Core. Pure Copper And High-Quality NickelClean Fire. Spark Energy Cleans Center Electrode
      $5.67
    • Karlyn STI® Direct Ignition Coil
      (0 reviews)
      # 13584520
      Subaru WRX 2003, Direct Ignition Coil by Karlyn STI®. STI. 4 Required per Vehicle. The ignition coil is one of the most important part in the ignition system. Ignition Coil aimed to provide the needed high voltage and ignition...
      Place directly on the spark plugHigh temperature resistant
      $31.36
    • Autolite® Spark Plug
      (0 reviews)
      # 22439093
      Subaru WRX 2003, Spark Plug by Autolite®, 1 Piece, Gap: 0.03. These spark plugs by Autolite are specially designed and manufactured to ensure quick starts, dependable performance, and smooth acceleration. The products are made of...
      Designed for good conductivity and a strong spark for efficient combustionImprove engine power and fuel economy
      $4.30 - $8.82
    • Champion® Spark Plug
      (0 reviews)
      # 22273805
      Subaru WRX 2003, Spark Plug by Champion®, Gap: 0.04. Designed and manufactured to meet or exceed OE standards and specifications, these spark plugs by Champion ensure fast engine start-up and smooth acceleration. The products are...
      Designed to provide dependable and long-lasting performanceManufactured using the latest processes and equipment
      $2.70 - $8.88
    • Denso® Spark Plug
      (0 reviews)
      # 21061298
      Subaru WRX 2003, Spark Plug by Denso®, 1 Piece. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time...
      OE quality parts from top original equipment and aftermarket manufacturerFast shipping; 1-2 day delivery time regardless of where you’re located
      $2.54 - $13.64
    • NGK® Spark Plug
      (0 reviews)
      # 22274699
      Subaru WRX 2003, Spark Plug by NGK®, 1 Piece. With a solid copper core, triple-gasket sealing, corrosion resistant plating, cold-rolled threads, and corrugated ribs, these products provide a powerful spark for reliable performance,...
      Designed for consistent performanceMeet OE quality, fit, and function
      $2.78 - $14.09
    • Beck Arnley® Direct Ignition Coil
      (0 reviews)
      # 36226007
      Subaru WRX 2003, Direct Ignition Coil by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the...
      OE quality products from top original equipmentTop quality materials
      $62.92
    • Delphi® Ignition Coil
      (0 reviews)
      # 52390008
      Subaru WRX 2003, Ignition Coil by Delphi®. Help ensure fast starts, consistent engine performance and optimized fuel efficiency with Delphi ignition coils. Delphi makes more than 10 million ignition coils for North America each...
      Designed and endurance tested to resist the common stresses that cause failureEfficient coil design that ensures the power in the coil has a streamlined path to the spark plug
      $65.79
    • Standard® Intermotor™ Ignition Coil
      (0 reviews)
      # 45115633
      Subaru WRX 2003, Intermotor™ Ignition Coil by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the highest...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $75.50
    • Beck Arnley® Coil Boot
      (0 reviews)
      # 66789983
      Subaru WRX 2003, Coil Boot by Beck Arnley®. Multi Coil System. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import...
      OE quality products from top original equipmentTop quality materials
      $12.59
    • Standard® Intermotor™ Ignition Knock Detonation Sensor
      (0 reviews)
      # 63130502
      Subaru WRX 2003, Intermotor™ Ignition Knock Detonation Sensor by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $78.45
    • Bosch® OE Fine Wire Platinum Spark Plug
      (0 reviews)
      # 35776365
      Subaru WRX 2003, OE Fine Wire Platinum Spark Plug by Bosch®. Pack of 1. Gap: Preset. These spark plugs are engineered to ensure reliable ignition and uncompromising performance. The OE fine wire platinum design delivers optimal fit...
      OE specific design360-degree continuous laser welded platinum tip for durability and long life
      $7.45
    • AVO® Turbo Timer
      (0 reviews)
      # 61628340
      Subaru WRX 2003, Turbo Timer by AVO®.
      $131.03
    • Denso® Direct Ignition Coil Boot Kit, 4 Boots
      (0 reviews)
      # 56999585
      Subaru WRX 2003, Direct Ignition Coil Boot Kit by Denso®. 4 Boots. O.E. Replacement Part. A leader in direct ignition technology, Denso developed the auto industry's first compact stick-type ignition coil. The space-saving design,...
      Improved coil efficiency reduces the need to generate high voltageDriving circuit is integrated into top of coil
      $56.39
    • Standard® Intermotor™ Direct Ignition Coil Boot
      (0 reviews)
      # 45115619
      Subaru WRX 2003, Intermotor™ Direct Ignition Coil Boot by Standard®. Single Pack. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $11.62
    • BTP® External Ignition Coil
      (0 reviews)
      # 66967891
      Universal External Ignition Coil by BTP®. This supreme BTP part helps your ignition system to provide a powerful and well-timed spark for complete combustion and maximum horsepower in your vehicle. This performance part is made...
      Designed to make your ignition system operate at its peakMade from superior materials
      $62.62
    • BTP® Wire Looms
      (0 reviews)
      # 66968024
      Universal Wire Looms by BTP®. This supreme BTP part helps your ignition system to provide a powerful and well-timed spark for complete combustion and maximum horsepower in your vehicle. This performance part is made from durable...
      Designed to make your ignition system operate at its peakMade from superior materials
      $6.82 - $57.05
    • BTP® Wire Separators
      (0 reviews)
      # 66968035
      Universal Wire Separators by BTP®. This supreme BTP part helps your ignition system to provide a powerful and well-timed spark for complete combustion and maximum horsepower in your vehicle. This performance part is made from...
      Designed to make your ignition system operate at its peakMade from superior materials
      $2.74 - $5.93
    • BTP® Chrome Steel Coil Cover Kit
      (0 reviews)
      # 66960061
      Universal Chrome Steel Coil Cover Kit by BTP®. This supreme BTP part helps your ignition system to provide a powerful and well-timed spark for complete combustion and maximum horsepower in your vehicle. This performance part is...
      Designed to make your ignition system operate at its peakMade from superior materials
      $6.67
    • BTP® Coil Bracket
      (0 reviews)
      # 66967826
      Universal Coil Bracket by BTP®. This supreme BTP part helps your ignition system to provide a powerful and well-timed spark for complete combustion and maximum horsepower in your vehicle. This performance part is made from durable...
      Designed to make your ignition system operate at its peakMade from superior materials
      $4.87 - $5.46
    • BTP® HEI Advance Curve Kit
      (0 reviews)
      # 66960059
      Universal HEI Advance Curve Kit by BTP®. This supreme BTP part helps your ignition system to provide a powerful and well-timed spark for complete combustion and maximum horsepower in your vehicle. This performance part is made from...
      Designed to make your ignition system operate at its peakMade from superior materials
      $3.34
    • BTP® HEI Distributor Module
      (0 reviews)
      # 66967923
      Universal HEI Distributor Module by BTP®. This supreme BTP part helps your ignition system to provide a powerful and well-timed spark for complete combustion and maximum horsepower in your vehicle. This performance part is made...
      Designed to make your ignition system operate at its peakMade from superior materials
      $15.79 - $17.36
    • AS Tools® BMW Spark Plug Socket 14 mm 12 Point
      (0 reviews)
      # 35961022
      BMW Spark Plug Socket 14 mm 12 Point by AS Tools®. 14mm, 12-Point Spark Plug Socket with 3/8 Drive. Applicable to 2007 & Later BMW 335 & 535 with 3.0L Twin-Turbo Motors. Spark Plug Socket is Slender in Design to Fit Application.
      Made with precision and quality in mindBuilt to last
      $30.19
    • Cal-Van Tools® Spark Plug Tools
      (0 reviews)
      # 35982157
      Spark Plug Tools by Cal-Van Tools®.
      Made with precision and quality in mindBuilt to last
      $4.64 - $251.82
    • Firepower® Self Igniting Torch Head
      (0 reviews)
      # 35962194
      Self Igniting Torch Head by Firepower®. Pull the trigger to light the torch. Swirl combustion tip provides maximum heat and reduces brazing time by 30%. Safety trigger lock holds flame for extended periods and prevents accidental...
      Made with precision and quality in mindBuilt to last
      $44.53
    • GearWrench® 3 Piece Spark Plug Service Kit
      (0 reviews)
      # 35963469
      3 Piece Spark Plug Service Kit by GearWrench®. Different Styles of GearWrench Ratchets fit all types of personal and mechanical preferances. Cushion Grip Ratchets allow for a more comfortable application. Flex Heads securely lock...
      Made with precision and quality in mindBuilt to last
      $53.61
    • GearWrench® Spark Plug Tools
      (0 reviews)
      # 35982145
      Spark Plug Tools by GearWrench®.
      Made with precision and quality in mindBuilt to last
      $2.86 - $13.16
    • Grey Pneumatic® Spark Plug Socket
      (0 reviews)
      # 35982120
      Spark Plug Socket by Grey Pneumatic®.
      Made with precision and quality in mindBuilt to last
      $20.38 - $52.50
    • HeliCoil® Sav-A-Thread Spark Plug Repair Kit
      (0 reviews)
      # 22564871
      Sav-A-Thread Spark Plug Repair Kit by HeliCoil®, Thread Size - M14 x 1.25. This kit is specially designed to repair damaged taper seat spark plug port threads. No drilling is required and the positive mechanical locking feature on...
      Designed to repair taper seat spark plug port threadsCan also be used to repair gasketed spark plug configurations
      $26.11 - $191.97
    • HeliCoil® Spark Plug Thread Repair Inserts
      (0 reviews)
      # 22564874
      Spark Plug Thread Repair Inserts by HeliCoil®, 6 per package. Today damaged spark plug port threads can be easily restored to like-new condition with these spark plug thread repair inserts. Create a lasting repair in a cylinder...
      Designed to repair, protect, and strengthen spark plug port threadsRestores the cylinder head to useable condition
      $6.33 - $13.63
    • Lisle® Adjustable Spark Plug Boot Puller
      (0 reviews)
      # 35964196
      Adjustable Spark Plug Boot Puller by Lisle®. Plier jaws adjust to five different positions allowing easier access to spark plug boots. Specially shaped, cushioned jaws grip the boot straight on or from the side. Plastic handle...
      Made with precision and quality in mindBuilt to last
      $20.33
    • Lisle® Deep Hole Aluminum Head M14 x 1.25 Spark Plug Hole Repair
      (0 reviews)
      # 35964280
      Deep Hole Aluminum Head M14 x 1.25 Spark Plug Hole Repair by Lisle®. Replaces stripped spark plug threads on aluminum heads with 14mm spark plugs. Installs a new spark plug thread insert in original thread location. Set includes...
      Made with precision and quality in mindBuilt to last
      $80.42
    • Lisle® Ignition Spark Tester
      (0 reviews)
      # 21558207
      Ignition Spark Tester by Lisle®. A handy tool to check ignition spark without removing the spark plug. The tool is specially calibrated to measure ignition voltage. Works on both standard and electronic ignition systems. Easy to...
      Specialty tools innovatorDesigned to assist in completing big or small projects
      $6.85
    • Lisle® Inline Spark Tester
      (0 reviews)
      # 21558115
      Inline Spark Tester by Lisle®. Quickly diagnose problems with all ignition systems. Connect the tool between the spark plug and the plug wire. The tool is double-ended to offer a straight boot and a 90boot on one tool. With the...
      Specialty tools innovatorDesigned to assist in completing big or small projects
      $13.73
    • Lisle® Spark Plug Gapper
      (0 reviews)
      # 21558380
      Spark Plug Gapper by Lisle®. Take care of your vehicle and make the most stubborn job easier with this product by Lisle. It is designed to provide high quality, excellent performance, and long-lasting service life at an economical...
      Designed to help you get the job done quickly and easilyFor regular maintenance to major repairs
      $2.26 - $2.98
    • Lisle® Spark Tester
      (0 reviews)
      # 21558104
      Spark Tester by Lisle®. Tests Spark Plugs, Spark Plug Wires and Coils Without Puncturing the Wire. With the engine running, place the grooved end of the tool over the plug wire. The bulb will flash to indicate spark.
      Specialty tools innovatorDesigned to assist in completing big or small projects
      $8.68
    • Powerbuilt® 13/16" T-Handle Spring Guard Spark Plug Tool
      (0 reviews)
      # 41872497
      13/16" T-Handle Spring Guard Spark Plug Tool by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $3.76
    • Powerbuilt® 14mm Spark Plug Rethread Repair Kit
      (0 reviews)
      # 41872502
      14mm Spark Plug Rethread Repair Kit by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $9.87
    • Powerbuilt® High Energy (HEI) Spark Plug Gauge
      (0 reviews)
      # 41872251
      High Energy (HEI) Spark Plug Gauge by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $1.75
    • Powerbuilt® Ignition Point File
      (0 reviews)
      # 41872255
      Ignition Point File by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $1.17
    • Powerbuilt® Import Car Spark Plug Gap Gauge
      (0 reviews)
      # 41872258
      Import Car Spark Plug Gap Gauge by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $2.10
    • Powerbuilt® Limited Access Spark Plug Thread Repair Tool
      (0 reviews)
      # 41872278
      Limited Access Spark Plug Thread Repair Tool by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $8.15
    • Powerbuilt® Ramp Style Spark Plug Gap Gauge
      (0 reviews)
      # 41874195
      Ramp Style Spark Plug Gap Gauge by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $0.80 - $1.00
    • Powerbuilt® Spark Plug Boot Puller
      (0 reviews)
      # 41872430
      Spark Plug Boot Puller - "L" Shape by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $2.22
    • Powerbuilt® Standard Ignition Spark Plug Gauge
      (0 reviews)
      # 41872439
      Standard Ignition Spark Plug Gauge by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $1.74
    • S&G Tool Aid® Coil On Plug Ignition Spark Checker
      (0 reviews)
      # 35966695
      Coil On Plug Ignition Spark Checker by S&G Tool Aid®. Coil On Plug Ignition Spark Checker A quick way to troubleshoot the contemporary "coil on plug" ignition systems found on General Motors, Chrysler, Ford and import vehicles....
      Made with precision and quality in mindBuilt to last
      $10.52
    • S&G Tool Aid® Spark Plug Cleaner
      (0 reviews)
      # 35966660
      Spark Plug Cleaner by S&G Tool Aid®. Includes sand.
      Made with precision and quality in mindBuilt to last
      $26.12
    • SK® Spark Plug Socket
      (0 reviews)
      # 35982127
      Spark Plug Socket by SK®.
      Made with precision and quality in mindBuilt to last
      $12.35 - $115.50
    • SK® Spark Plug Tools
      (0 reviews)
      # 35982175
      Spark Plug Tools by SK®.
      Made with precision and quality in mindBuilt to last
      $3.48 - $21.99
    • Solder-It® Automatic Ignition Mini Soldering Iron/Hot Knife
      (0 reviews)
      # 35962828
      Automatic Ignition Mini SoldeRing Iron/Hot Knife by Solder-It®. Soldering Tip - 400-500°F. Blow Torch Function 2400°F. Operating Time (one fill) 20 min.
      Made with precision and quality in mindBuilt to last
      $24.65
    • Solder-It® Heavy Duty Hand Held Electronic Ignition Micro
      (0 reviews)
      # 35962843
      Heavy Duty Hand Held Electronic Ignition Micro by Solder-It®. State of the art Waterproof Piezo Electronic Ignition System. Large Fuel Tank of 200 minutes use on each filling. Powerful High Output Wind-Resistant flame. Ergonomic...
      Made with precision and quality in mindBuilt to last
      $43.74
    • Solder-It® Pencil Butane Soldering Kit With Auto Start Ignition
      (0 reviews)
      # 35962834
      Pencil Butane SoldeRing Kit With Auto Start Ignition by Solder-It®. Automatic Ignition. 5 tips Concoil Chisel, Hot Knife, Heat Blower & Detector. 30W - 100W Power Range. Sodering tip temp 950 F. Torch hi temp 2500 F.
      Made with precision and quality in mindBuilt to last
      $69.68
    • Sunex® Spark Plug Socket
      (0 reviews)
      # 35982131
      Spark Plug Socket by Sunex®.
      Made with precision and quality in mindBuilt to last
      $3.39 - $61.56
    • Lisle® Spark Plug Wire Puller
      (0 reviews)
      # 35964206
      Spark Plug Wire Puller by Lisle®. Spark Plug Pliers. Two Pulling Positions Help Make Removing. Spark Plug Wires A Safe And Easy Job. Specially shaped, cushioned jaws grip the boot straight on or from the side. Plastic handle grips...
      Made with precision and quality in mindBuilt to last
      $9.16
    • Lisle® Spark Plug Wire Tester
      (0 reviews)
      # 21558136
      Spark Plug Wire Tester by Lisle®. Quickly Locate Faulty Plug Wires. No Shock Hazard. Now you can check spark plug wires without piercing the wires. Light flashes indicating sound wire.
      Specialty tools innovatorDesigned to assist in completing big or small projects
      $9.88
    • Lisle® Spark Plug Wire Tools
      (0 reviews)
      # 35982185
      Spark Plug Wire Tools by Lisle®. Take care of your vehicle and make the most stubborn job easier with this product by Lisle. It is designed to provide high quality, excellent performance, and long-lasting service life at an...
      Made with precision and quality in mindBuilt to last
      $3.45 - $9.88
    • Powerbuilt® Spark Plug Wire Pliers
      (0 reviews)
      # 41872433
      Spark Plug Wire Pliers by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $3.87
    • Powerbuilt® Spark Plug Wire Puller
      (0 reviews)
      # 41872434
      Spark Plug Wire Puller by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $2.07
    • Powerbuilt® Spark Plug Wire Tester
      (0 reviews)
      # 41872435
      Spark Plug Wire Tester by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $7.53



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