2004 Subaru WRX Starting & Charging

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    • Agency Power® Alternator Cover
      (0 reviews)
      # 15847458
      Subaru WRX 2004, Alternator Cover by Agency Power®. This cover helps dress up the engine bay with some needed style. Utilizing high end technology, this alternator cover is 1 piece with clean bends and hidden welds to be a show...
      Dress up the engine bay1-piece design
      $150.00
    • Bosch® Remanufactured Alternator
      (0 reviews)
      # 35702343
      Subaru WRX 2004, Remanufactured Alternator by Bosch®. Whether new or remanufactured, Bosch alternators are performance tested for reliable cranking and starting performance under the most extreme operating conditions. Identical or...
      Ensures cranking and starting performance under all temperature extremes100% full-load tested – meets or exceeds OE manufacturers' torque, amperage draw and RPM standards
      $106.75 - $172.47
    • Denso® Remanufactured Alternator
      (0 reviews)
      # 21061320
      Subaru WRX 2004, Remanufactured Alternator by Denso®. O.E. Equivalent. 12V. Contemporary cars employ dozens of sophisticated electronic systems from bumper to bumper, placing heavy demands on the charging system. The alternator is...
      Bearing 100% tested to OE standards and repacked with OEM grade lubricantStator Insulation tested to 600 volts
      $162.95 - $165.31
    • Killer B® Alternator Cover Red
      (0 reviews)
      # 61628521
      Subaru WRX / WRX STI 2004, Alternator Cover Red by Killer B Motorsport®. 2002-2007 WRX / STI. Color: Red.
      $58.92
    • Quality-Built® Remanufactured Alternator
      (0 reviews)
      # 47517303
      Subaru WRX with 5 Groove Serpentine Pulley with Mitsubishi Alternator 2004, Remanufactured Alternator by Quality-Built®. 12V, Internal Voltage Regulation, with 10:30 O'clock Plug Position, with Internal Fan, Clockwise Rotation, 11...
      Designed specifically for the high demands of professional installersSelect components and advanced manufacturing techniques provide unparalleled performance and reliability
      $72.08 - $101.40
    • Remy® Alternator
      (0 reviews)
      # 63474705
      Subaru WRX 2004, Alternator by Remy®. The alternators by Remy provide significant fuel efficiency and the lowest noise available on the market today. They feature patented winding technology which helps them boast the lowest mass...
      Features a refined designPatented winding technology
      $92.55 - $116.78
    • TYC® Alternator
      (0 reviews)
      # 10833402
      Subaru WRX 2004, Alternator by TYC®. Replaces OE Mitsubishi Alternator, 5S. The alternator is one of the parts you want to function properly, otherwise all the comforts given by the electronic components won't be available anymore....
      OE quality at an affordable priceDirect replacement
      $108.85 - $117.55
    • Exide® Edge™ Group 35 Flat Plate AGM Automotive Battery
      (0 reviews)
      # 34753833
      Subaru WRX 2004, Edge™ Flat Plate AGM Automotive Battery by Exide®. Group 35, CCA: 650, Minimal Reserve Capacity at 25A: 110, Ah Capacity at 20 Hours: 53. Exide Edge AGM batteries are designed to maximize energy capacity for...
      17X More Energy for Everything like repeated use of technology and shuttle driving1Because the plates are compressed in rows, the battery uses its total volume to provide greater energy capacity
      $164.16
    • Optima® RedTop™ Group 35 Car Battery
      (2 reviews)
      # 57665304
      Subaru WRX 2004, RedTop™ Group 35 Starting Car Battery by Optima®. Enjoy the most powerful burst of cranking current for the fastest, most reliable engine starting possible. The spillproof, maintenance-free RedTop Optima battery...
      Strong starting current burstUp to two times longer battery life
      $167.63
    • Optima® YellowTop™ Group D35 Car Battery
      (1 reviews)
      # 57665307
      Subaru WRX 2004, YellowTop™ Group D35 Starting and Deep-Cycle Car Battery by Optima®. YellowTop high-performance AGM batteries are truly dual-purpose batteries. They have amazing cranking power to start big, high-compression...
      Optima® Spiralcell Technology™Deep-cycle and cranking power
      $202.22
    • Bosch® Remanufactured Starter
      (0 reviews)
      # 35702345
      Subaru WRX 2004, Remanufactured Starter by Bosch®. When your starter is no longer good and can't turn your engine over, go with a quality Bosch replacement starter that is remanufactured with more new parts and performance tested...
      100% exhaustive multipoint quality and performance testingEnsures cranking and starting performance under extreme temperatures
      $139.16
    • Denso® Remanufactured Starter
      (0 reviews)
      # 57017456
      Subaru WRX 2004, Remanufactured Starter by Denso®. Closed Nose. 12V. 2 Mounting Holes. The original DENSO gear-reduction starter is an industry benchmark, so rugged and powerful that it is often adapted for racing use. DENSO...
      $125.73 - $132.99
    • Quality-Built® Remanufactured Starter
      (0 reviews)
      # 47517315
      Subaru WRX 2004, Remanufactured Starter by Quality-Built®. Get professional installer quality at a DIY price with a Quality-Built starter. These starters are manufactured under strict QS-9000 quality guidelines, the highest quality...
      Designed specifically for the high demands of professional installersSelect components and advanced manufacturing techniques provide unparalleled performance and reliability
      $62.65 - $76.30
    • Remy® Starter
      (0 reviews)
      # 63474709
      Subaru WRX 2004, Starter by Remy®. The starters by Remy feature the most compact design in the industry. These components are smaller and lighter providing less friction, better reliability, and greater performance. Install the...
      Features the most compact design on the marketEnsures less friction and excellent performance
      $72.36 - $74.45
    • TYC® Starter Motor
      (0 reviews)
      # 43163977
      Subaru WRX Automatic Transmission 2004, Starter Motor by TYC®. Replaces OE Mitsubishi Starter Motor, PMGR, 1.4KW, 1 Lester Number. This is an aftermarket part that replaces factory OE # 23300-8J001R. As soon as your starter motor...
      OE quality at an affordable priceDirect replacement
      $98.20
    • Standard® Intermotor™ Voltage Regulator
      (0 reviews)
      # 45115655
      Subaru WRX / WRX STI 2004, Intermotor™ Voltage Regulator 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...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $218.02
    • Mitsubishi Electric® Remanufactured Alternator
      (0 reviews)
      # 53661948
      Subaru WRX STI 2004, Remanufactured Alternator by Mitsubishi Electric®. Do you hear nothing but “click, click” when you turn the key? Is the BATTERY dash light on? Your vehicle is in need of engine electrical system repair, but...
      $263.11
    • BTP® Alternator Fan
      (0 reviews)
      # 66960283
      Universal Alternator Fan by BTP®. This premium part by BTP helps the starting and charging system of your vehicle to provide the energy needed for the engine to start as well as maintain all its electrical elements from the...
      Engineered to help your starting and charging system operate at its maximumMade from superior materials
      $12.30
    • Dorman® Battery Bolt
      (0 reviews)
      # 28090607
      Universal Battery Bolt by Dorman®. Dorman offers a comprehensive line of Battery Hold Downs for a wide range of applications. All the Battery Hold Downs are constructed of high-quality materials for long-lasting durability.
      Available in a large variety of lengths, diameters, and sizesDirect replacement Battery Terminal Bolts available (where applicable) to ensure a proper fit
      $6.32 - $32.19
    • Kinetik® Battery Box
      (0 reviews)
      # 48590230
      Universal Battery Box by Kinetik®. Need a mounting solution for your Kinetik HC Power Cell? We got ya covered, custom designed mounting cases for a perfect fit. Designed specifically for Kinetik Power Cells, allows for standing and...
      High quality steel constructionDurable black powder coating finish
      $23.99 - $38.26
    • Kinetik® Battery Posts
      (0 reviews)
      # 16070527
      Universal Battery Posts by Kinetik®. Kinetik top posts feature a unique ring connector to allow easy connection to your amplifiers and additional equipment. Designed specifically for Kinetik Power Cells and available for all models...
      Top Post & Ring ConnectionsUnique 2-Piece Design
      $11.99
    • Kinetik® Flush Mount Panel Indicator
      (0 reviews)
      # 16070528
      Universal Flush Mount Panel Indicator by Kinetik®. Allows quick-glance access to the vehicle's battery-charge level, monitoring and charging of battery inside the vehicle.
      Battery cable fuse: 15ABattery cable length: 5'
      $19.99
    • Kinetik® Side Post Adapters
      (0 reviews)
      # 16070526
      Universal Side Post Adapters by Kinetik®. Need to convert your Kinetik top post power cell to a side post or just want an additional terminal? No problem, our side post adapters have you covered. Designed specifically for Kinetik...
      Kinetik Side Post AdaptersFor use with Kinetik's 3/8" threaded power cells
      $18.99
    • PAC® 500 Amp Dual Battery Isolator Relay Up To 16.5 V
      (0 reviews)
      # 16830220
      Universal 500 Amp Dual Battery Isolator Relay Up To 16.5 V by PAC®. Prevents primary battery discharge
      Maximum current transferExtends battery life
      $82.99
    • PAC® Dual Battery Isolator and Monitor
      (0 reviews)
      # 16830926
      Universal Dual Battery Isolator and Monitor by PAC®. The world of OEM integration doesn't end with sexy, high-end technologies like cell phone integration, iPod kits and add-an-amp interfaces. PAC has a wide variety of modules and...
      More Than 30 Years in Automotive Audio IndustryOne of Best OEM Integration Solution Brand
      $69.99
    • PAC® High Current Isolator and Relay
      (0 reviews)
      # 16832039
      Universal High Current Isolator and Relay by PAC®. The world of OEM integration doesn't end with sexy, high-end technologies like cell phone integration, iPod kits and add-an-amp interfaces. PAC has a wide variety of modules and...
      More Than 30 Years in Automotive Audio IndustryOne of Best OEM Integration Solution Brand
      $15.99 - $49.99
    • BTP® Battery Tray
      (0 reviews)
      # 69330565
      Universal Battery Tray by BTP®. This premium part by BTP helps the starting and charging system of your vehicle to provide the energy needed for the engine to start as well as maintain all its electrical elements from the...
      Engineered to help your starting and charging system operate at its maximumMade from superior materials
      $29.84
    • BTP® J Battery Tray Hooks
      (0 reviews)
      # 69330564
      Universal J Battery Tray Hooks by BTP®. This premium part by BTP helps the starting and charging system of your vehicle to provide the energy needed for the engine to start as well as maintain all its electrical elements from the...
      Engineered to help your starting and charging system operate at its maximumMade from superior materials
      $6.52
    • T-Spec® 1/0 Gauge Positive/Negative Battery Terminal
      (0 reviews)
      # 38832418
      1/0-Gauge Positive/Negative Battery Terminal by T-Spec Installation Parts®. The team at T-Spec understands how difficult it can be to find just the right product for your application. That is why the new T-Spec amp kit line...
      $26.10
    • T-Spec® 4 Gauge Positive/Negative Battery Terminal
      (0 reviews)
      # 38832419
      4-Gauge Positive/Negative Battery Terminal by T-Spec Installation Parts®. The team at T-Spec understands how difficult it can be to find just the right product for your application. That is why the new T-Spec amp kit line features...
      $22.43
    • Taylor Cable® Distributor Cover
      (0 reviews)
      # 9786842
      Universal Distributor Cover by Taylor Cable®. Keep excess heat from the headers from baking your starter motor with Starter Heat Shield. 180° headers are the worst, overheating your starter and preventing your car from cranking...
      Easy installVelcro fasteners
      $36.57 - $49.92
    • Holley® LS Series Driver Side Power Steering and Alternator Bracket
      (0 reviews)
      # 63644959
      Universal LS Accessory Drive Bracket - Driver's Side P/S and Alt Bracket by Holley®. Designed with precision and functionality in mind, this accessory ensures outstanding performance and easy use which makes it the perfect deal for...
      Made with precision and quality in mindBuilt to last
      $159.95
    • Dorman® Battery Terminal
      (0 reviews)
      # 28171498
      Universal Battery Terminal by Dorman®. Universal top post, heavy duty commercial terminal for post terminal batteries is designed to replace corroded or broken battery cable terminals.
      Fits 2-4/0 gauge cablesUniversal fit for a wide variety of battery types
      $1.16 - $9.10
    • Kat's Heaters® Battery Heater
      (0 reviews)
      # 22658451
      Universal Battery Heater by Kat's Heaters®. A battery can lose 60% of its starting power when the temperature reaches 0 F. Cold Engines require more power from the battery at these temperatures. These two facts make it imperative...
      Vinyl covered for resistance against oil and acid for longer lifeFast and easy to install
      $30.74 - $107.03

    Guides & Articles
    Starter motors and alternators have a tough job. Starter motors are high-torque motors which must have the ability to turn over, or crank, an engine under varying weather and mechanical conditions. Without a functioning starter motor, you simply cannot start up a modern vehicle's engine.
    By definition, an automotive battery is an electrochemical device that stores and provides electrical energy on demand. Electrical energy is produced inside the battery by a chemical reaction occurring between two dissimilar plates immersed in an electrolyte solution. When the battery is discharging, it changes chemical energy into electrical energy and releases...
    Hybrids are everywhere these days and can be defined as, "any vehicle combining two or more sources of power which can directly or indirectly provide propulsion." Although all hybrid vehicles on the market today use batteries as one of the power sources, there are different mechanical layouts and operational approaches in the way electric motors function alongside...