2004 Subaru WRX Ignition Relays, Sensors & Switches

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    • (0 reviews)
      # 93523159
      Subaru WRX 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 time and...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $137.21
    • (0 reviews)
      # 63130093
      Subaru WRX / WRX STI 2004, Intermotor™ Ignition Starter Switch by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and...
      Our complete line of ignition switches are constructed with the finest materials to ensure proper fit and function every timeOur switches are designed using copper alloy conductors to ensure superior electrical conductivity with low resistive losses
      $40.63
    • (0 reviews)
      # 210570901
      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...
      Our knock sensors are designed to respond to knock frequencies up to 1000 Hz accommodating shifts in engine knock frequency making it a more flexible sensor responding to correct engine knock over a broad range of vehicle conditionsManufacturing processes include an automated data acquisition system to continuously monitor the sensor output to ensure that it responds with appropriate voltage output at the specified frequency range
      $84.53 - $89.83
    • (0 reviews)
      # mpn358953845
      Universal Replacement Ignition and Fuel Switch by ARC®. 1 Piece. SPST (On) (On) & SPST (Off) (On) Red Lighted 20 Amp. Auto-Rod carries a wide range of state-of-the-art controls and car wiring solutions for the street rod and race...
      Constructed from superior materialsMade to match OE specifications
      $49.60
    • (0 reviews)
      # mpn358954359
      Universal Starter Push Button Switches with Cover by Rebco®. 1 Piece. This product is designed with exquisite craftsmanship and key attention to detail to make sure it exactly replicates the original part. This product looks, fits,...
      High quality at an affordable priceExpertly made from premium materials
      $11.25
    • (0 reviews)
      # mpn1589831883
      Universal Connector Kit by Fast®. Includes Connectors ONLY. Ever since they were introduced, distributorless ignition systems (DIS) have delivered reliability and efficiency, and have greatly improved ignition spark energy over...
      Allows XFI™ Fuel Injection to be used on popular distributor-less ignition applicationsWater and heat resistant, billet aluminum enclosure designed for under-hood installation
      $80.15
    • (0 reviews)
      # mpn2991767430
      Universal HEI Distributor Plug Harness by Keep It Clean®. HEI Power Pigtails will get power from your ignition to your HEI distributor on a GM HEI. Package includes an 8 in. lead and plug into the OEM distributor cap. Dual 8in...
      HEI Distributor Harness PlugLimited Lifetime Warranty
      $9.45
    • (0 reviews)
      # 244216616
      Universal One Touch Engine Start Kit by Vintage Parts®. Go Handsfree! Vintages push button start kits allows you to easily add the convenience of push button engine start to any vehicle. Available handsfree keyless entry will...
      Nostalgic LookModern Technology
      $284.05 - $332.45
    • (0 reviews)
      # 244216624
      Universal One Touch Engine Start Kit with Radio Frequency Identification and Button Illumination by Vintage Parts®. Go Handsfree! Vintages push button start kits allows you to easily add the convenience of push button engine start...
      Nostalgic LookModern Technology
      $379.05 - $427.45
    • (0 reviews)
      # mpn1589831907
      Universal Connector For 2 and 3 Bar MAP by Fast®. 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 your needs and...
      High quality at an affordable priceExpertly made from premium materials
      $8.00
    • (0 reviews)
      # 36029303
      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
      $106.09 - $129.38
    • (0 reviews)
      # 109940362
      Universal Standard Ignition Toggle Switch by Rebco®. 1 Piece. This product is designed with exquisite craftsmanship and key attention to detail to make sure it exactly replicates the original part. This product looks, fits, and...
      Constructed from superior materialsMade to match OE specifications
      $11.25 - $21.69


    2004 Subaru WRX Ignition Switches Reviews

    Average rating:  4.5  4.5 - 4 reviews
    4.8 of 5
    2 Terminal Heavy Duty Ignition Switches
    My previous switch lasted a year or so but quit working so I replaced it with Longacre Weatherproof Switch. Took a nice off-road ride today, about 120 minutes. Connections is good and wires are not hot. I recommend it to everybody.
    RPosted by Rev.Michael (Salem, SD) / August 14, 2015
    2011 Jeep Wrangler
    Was this review helpful for you? Yes
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