2004 Subaru WRX Ignition Parts

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    • Bosch® OE Specialty Spark Plug
      (0 reviews)
      Subaru WRX STI 2004, OE Specialty Spark Plug by Bosch®. Gap: Preset. Replace your worn out spark plugs with Bosch spark plugs and experience miles of worry-free driving. OE Specialty Spark Plugs ensure safe and reliable...
      Designed to meet or exceed OE specificationsMatch the fit, form, and function of the OE design
      $10.78$8.62
      # 36021125
    • Denso® Spark Plug
      (0 reviews)
      Subaru WRX 2004, 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
      $3.18from $2.54 - $11.20
      # 21061323
    • NGK® Spark Plug
      (0 reviews)
      Subaru WRX 2004, 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
      $3.48from $2.78 - $14.09
      # 22274711
    • Champion® Spark Plug
      (0 reviews)
      Subaru WRX 2004, Spark Plug by Champion®. 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 made of...
      Designed to provide dependable and long-lasting performanceManufactured using the latest processes and equipment
      $3.73from $2.98 - $9.78
      # 22273810
    • Autolite® Spark Plug
      (0 reviews)
      Subaru WRX 2004, 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
      $5.38from $4.30 - $8.82
      # 22439096
    • Standard® Intermotor™ Ignition Coil
      (0 reviews)
      Subaru WRX 2004, 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
      $79.91from $63.93 - $71.17
      # 45264022
    • Beck Arnley® Direct Ignition Coil
      (0 reviews)
      Subaru WRX 2004, 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
      $67.44from $53.95 - $56.78
      # 36253721
    • Delphi® Ignition Coil
      (0 reviews)
      Subaru WRX 2004, 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
      $77.63$62.10
      # 52390010
    • Denso® Direct Ignition Coil Boot Kit, 4 Boots
      (0 reviews)
      Subaru WRX 2004, 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
      $50.34from $40.27 - $50.56
      # 21104196
    • Bosch® Direct Ignition Coil Boot
      (0 reviews)
      Subaru WRX STI 2004, Direct Ignition Coil Boot by Bosch®. Pack of 1. There's no need to buy the whole ignition coil if you need only the boot. Replace your defective ignition coil boots with Bosch direct ignition coil boots that...
      Identical in fit, form and function to the OE partsMeets or exceeds OEM specifications
      $11.70$9.36
      # 51697098
    • Prenco® Direct Ignition Coil Boot
      (0 reviews)
      Subaru WRX 2004, Direct Ignition Coil Boot by Prenco®. Note: Spring and Boot. 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,...
      $22.31$17.85
      # 7951685
    • Standard® Intermotor™ Ignition Knock (Detonation) Sensor
      (0 reviews)
      Subaru WRX 2004, 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
      $92.34from $73.87 - $77.80
      # 45264025
    • Beck Arnley® Ignition Knock Sensor
      (0 reviews)
      Subaru WRX 2004, Ignition Knock Sensor 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...
      OE quality products from top original equipmentTop quality materials
      $125.19from $100.15 - $129.38
      # 36029303
    • Genuine® Knock Sensor
      (0 reviews)
      Subaru WRX / WRX STI 2004, Knock Sensor by Genuine®. 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...
      $169.95$135.96
      # 8781811
    • Bosch® OE Fine Wire Platinum Spark Plug
      (0 reviews)
      Subaru WRX 2004, 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
      $5.23$4.18
      # 35776381
    • E3® Spark Plug
      (0 reviews)
      Subaru WRX 2004, Spark Plug by E3®. With Gasket Seat. Thread Size: 14 mm. Hex Size: 5/8". For a more efficient and complete burn, go with the super sturdy plugs by E3. The advanced DiamondFire plug features a diamond-shaped...
      Advanced DiamondFire electrode designProduces a faster burn
      $7.44$5.95
      # 12196591
    • ZEX™ Hyperformance™ Spark Plug
      (0 reviews)
      Subaru WRX 2004, 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
      $7.09$5.67
      # 13907652
    • Karlyn STI® Spark Plug Wire Set
      (0 reviews)
      Subaru WRX STI 2004, Spark Plug Wire Set by Karlyn STI®. STI. The purpose of good wire insulation is to protect the cable from voltage leaks. The single most important factor for rating insulation performance is the type of...
      Spiral CoreStainless Steel Magnetic Conductive Winding
      $32.60from $26.08 - $27.62
      # 13588801
    • Karlyn STI® Direct Ignition Coil
      (0 reviews)
      Subaru WRX 2004, 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
      $35.58from $28.46 - $31.60
      # 13588804
    • Karlyn STI® Ignition Coil
      (0 reviews)
      Subaru WRX STI with California Emission 2004, Ignition Coil by Karlyn STI®. STI. 1 Required per Vehicle. Coil Pack replaces the distributor. It features electronically controlled pack of ignition coils controled by the car's...
      Increases the amount of horsepowersBetters combustion
      $72.21$57.77
      # 13582971
    • Standard® Intermotor™ Direct Ignition Coil Boot
      (0 reviews)
      Subaru WRX 2004, 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
      $12.06from $9.65 - $11.62
      # 45264013
    • AS Tools® BMW Spark Plug Socket 14 mm 12 Point
      (0 reviews)
      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
      $37.74$30.19
      # 35961022
    • CTA® Spark Plug Socket
      (0 reviews)
      Spark Plug Socket by CTA®.
      Made with precision and quality in mindBuilt to last
      $22.05$17.64
      # 35982117
    • Cal-Van Tools® Spark Plug Tools
      (0 reviews)
      Spark Plug Tools by Cal-Van Tools®.
      Made with precision and quality in mindBuilt to last
      $5.80from $4.64 - $239.02
      # 35982157
    • Firepower® Self Igniting Torch Head
      (0 reviews)
      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
      $52.54$42.03
      # 35962194
    • GearWrench® 3 Piece Spark Plug Service Kit
      (0 reviews)
      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
      $63.26$50.61
      # 35963469
    • GearWrench® Spark Plug Socket
      (0 reviews)
      Spark Plug Socket by GearWrench®.
      Made with precision and quality in mindBuilt to last
      $7.16from $5.73 - $41.48
      # 35982106
    • GearWrench® Spark Plug Tools
      (0 reviews)
      Spark Plug Tools by GearWrench®.
      Made with precision and quality in mindBuilt to last
      $3.58from $2.86 - $12.43
      # 35982145
    • Grey Pneumatic® Spark Plug Socket
      (0 reviews)
      Spark Plug Socket by Grey Pneumatic®.
      Made with precision and quality in mindBuilt to last
      $23.58from $18.86 - $49.56
      # 35982120
    • HeliCoil® Sav-A-Thread Spark Plug Repair Kit
      (0 reviews)
      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
      $30.34from $24.27 - $182.21
      # 22564871
    • HeliCoil® Spark Plug Thread Repair Inserts
      (0 reviews)
      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
      $6.96from $5.57 - $11.84
      # 22564874
    • Lisle® Adjustable Spark Plug Boot Puller
      (0 reviews)
      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
      $24.00$19.20
      # 35964196
    • Lisle® Deep Hole Aluminum Head M14 x 1.25 Spark Plug Hole Repair
      (0 reviews)
      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
      $94.28$75.42
      # 35964280
    • Lisle® Ignition Spark Tester
      (0 reviews)
      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
      $8.21$6.57
      # 21558207
    • Lisle® Inline Spark Tester
      (0 reviews)
      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
      $16.48$13.18
      # 21558115
    • Lisle® Spark Plug Gapper
      (0 reviews)
      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
      $2.73from $2.18 - $3.00
      # 21558380
    • Lisle® Spark Plug Gapper and Feeler Gauge
      (0 reviews)
      Spark Plug Gapper and Feeler Gauge by Lisle®. 6 Spark Plug Gap Wires, Electrode Bending Tool, and 12 Steel Blades. Precision wires and blades for doing both spark plug and ignition system settings. Blades are approximately 1/2"...
      Specialty tools innovatorDesigned to assist in completing big or small projects
      $10.06$8.05
      # 21558249
    • Lisle® Spark Tester
      (0 reviews)
      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
      $10.41$8.33
      # 21558104
    • OTC® High-Speed Lab and Ignition Oscilloscope
      (0 reviews)
      High-Speed Lab and Ignition Oscilloscope by OTC®. The OTC Tech-ScopeTM is a standalone two-channel high-speed lab and ignition oscilloscope with multimeter that allows service technicians to quickly and efficiently test and measure...
      Made with precision and quality in mindBuilt to last
      $855.64$684.51
      # 35965120
    • Powerbuilt® 5/8" T-Handle Spring Guard Spark Plug Tool
      (0 reviews)
      5/8" T-Handle Spring Guard Spark Plug Tool by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $4.49$3.59
      # 41872081
    • Powerbuilt® 13/16" T-Handle Spring Guard Spark Plug Tool
      (0 reviews)
      13/16" T-Handle Spring Guard Spark Plug Tool by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $4.70$3.76
      # 41872497
    • Powerbuilt® 14mm Spark Plug Rethread Repair Kit
      (0 reviews)
      14mm Spark Plug Rethread Repair Kit by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $12.34$9.87
      # 41872502
    • Powerbuilt® Heavy Duty Spark Plug Tester
      (0 reviews)
      Heavy Duty Spark Plug Tester by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $8.79$7.03
      # 41872239
    • Powerbuilt® High Energy (HEI) Spark Plug Gauge
      (0 reviews)
      High Energy (HEI) Spark Plug Gauge by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $2.19$1.75
      # 41872251
    • Powerbuilt® Ignition Point File
      (0 reviews)
      Ignition Point File by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $1.46$1.17
      # 41872255
    • Powerbuilt® Import Car Spark Plug Gap Gauge
      (0 reviews)
      Import Car Spark Plug Gap Gauge by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $2.63$2.10
      # 41872258
    • Powerbuilt® Limited Access Spark Plug Thread Repair Tool
      (0 reviews)
      Limited Access Spark Plug Thread Repair Tool by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $10.19$8.15
      # 41872278
    • Powerbuilt® Ramp Style Spark Plug Gap Gauge
      (0 reviews)
      Ramp Style Spark Plug Gap Gauge by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $1.00from $0.80 - $1.00
      # 41874195
    • Powerbuilt® Spark Plug Boot Puller
      (0 reviews)
      Spark Plug Boot Puller - "L" Shape by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $2.78$2.22
      # 41872430
    • Powerbuilt® Spark Plug Hole Rethread Tool
      (0 reviews)
      Spark Plug Hole Rethread Tool by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $6.58$5.26
      # 41872432
    • Powerbuilt® Standard Ignition Spark Plug Gauge
      (0 reviews)
      Standard Ignition Spark Plug Gauge by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $2.18$1.74
      # 41872439
    • S&G Tool Aid® Coil On Plug Ignition Spark Checker
      (0 reviews)
      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
      $12.88$10.30
      # 35966695
    • S&G Tool Aid® Spark Plug Cleaner
      (0 reviews)
      Spark Plug Cleaner by S&G Tool Aid®. Includes sand.
      Made with precision and quality in mindBuilt to last
      $30.84$24.67
      # 35966660
    • SK® Spark Plug Socket
      (0 reviews)
      Spark Plug Socket by SK®.
      Made with precision and quality in mindBuilt to last
      $16.68from $13.34 - $109.38
      # 35982127
    • SK® Spark Plug Tools
      (0 reviews)
      Spark Plug Tools by SK®.
      Made with precision and quality in mindBuilt to last
      $4.35from $3.48 - $20.76
      # 35982175
    • Schley Products® Spark Plug Puller
      (0 reviews)
      Spark Plug Puller by Schley Products®.
      Made with precision and quality in mindBuilt to last
      $33.44from $26.75 - $33.44
      # 35982100
    • Solder-It® Automatic Ignition Mini Soldering Iron/Hot Knife
      (0 reviews)
      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
      $29.09$23.27
      # 35962828
    • Solder-It® Heavy Duty Hand Held Electronic Ignition Micro
      (0 reviews)
      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
      $51.61$41.29
      # 35962843
    • Solder-It® Pencil Butane Soldering Kit With Auto Start Ignition
      (0 reviews)
      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
      $82.21$65.77
      # 35962834
    • Sunex® Spark Plug Socket
      (0 reviews)
      Spark Plug Socket by Sunex®.
      Made with precision and quality in mindBuilt to last
      $4.24from $3.39 - $58.12
      # 35982131



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