2008 Subaru WRX Starting & Charging

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    • Optima® RedTop™ Group 35 Car Battery
      (2 reviews)
      # 57606528
      Subaru WRX / WRX STI 2008, RedTop™ Group 35 Starting Car Battery by Optima®. CCA: 720 Amps, MCA: 910 Amps, Voltage: 12.8 V, Resistance: 0.003 Ohms, Capacity: 44 Ah, Reserve Capacity: 90 Min, Terminals: Reversed Top Post, Type:...
      Strong starting current burstUp to two times longer battery life
      $158.20
    • Optima® YellowTop™ Group D35 Car Battery
      (1 reviews)
      # 57606529
      Subaru WRX / WRX STI 2008, YellowTop™ Group D35 Starting and Deep-Cycle Car Battery by Optima®. CCA: 620 Amps, MCA: 770 Amps, Voltage: 13.1 V, Resistance: 0.003 Ohms, Capacity: 48 Ah, Reserve Capacity: 100 Min, Terminals: Top...
      Optima® Spiralcell Technology™Deep-cycle and cranking power
      $190.45
    • Optima® RedTop™ Group 35 Car Battery
      (2 reviews)
      # 57624184
      Subaru WRX / WRX STI 2008, RedTop™ Group 35 Starting Car Battery by Optima®. CCA: 720 Amps, MCA: 910 Amps, Voltage: 12.8 V, Resistance: 0.003 Ohms, Capacity: 44 Ah, Reserve Capacity: 90 Min, Terminals: Reversed Top Post, Type:...
      Strong starting current burstUp to two times longer battery life
      $158.20
    • Optima® YellowTop™ Group D35 Car Battery
      (1 reviews)
      # 57624185
      Subaru WRX / WRX STI 2008, YellowTop™ Group D35 Starting and Deep-Cycle Car Battery by Optima®. CCA: 620 Amps, MCA: 770 Amps, Voltage: 13.1 V, Resistance: 0.003 Ohms, Capacity: 48 Ah, Reserve Capacity: 100 Min, Terminals: Top...
      Optima® Spiralcell Technology™Deep-cycle and cranking power
      $190.45
    • Exide® Edge™ Group 35 Flat Plate AGM Automotive Battery
      (0 reviews)
      # 34743040
      Subaru WRX 2008, 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
    • Quality-Built® Remanufactured Starter
      (0 reviews)
      # 9439782
      Subaru WRX 2008, Remanufactured Starter by Quality-Built®. 12V, Counterclockwise Rotation. Get professional installer quality at a DIY price with a Quality-Built starter. These starters are manufactured under strict QS-9000 quality...
      Designed specifically for the high demands of professional installersSelect components and advanced manufacturing techniques provide unparalleled performance and reliability
      $76.30 - $119.96
    • Remy® Starter
      (0 reviews)
      # 63474715
      Subaru WRX 2008, 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
      $80.35 - $100.21
    • TYC® Alternator
      (0 reviews)
      # 10837567
      Subaru WRX / WRX STI 2008, Alternator by TYC®. Replaces OE Mitsubishi Alternator, 5S, 110A. This is an aftermarket part that replaces factory OE # 37330-3C120. The alternator is one of the parts you want to function properly,...
      OE quality at an affordable priceDirect replacement
      $149.98
    • Quality-Built® Remanufactured Alternator
      (0 reviews)
      # 47510289
      Subaru WRX / WRX STI with 5 Groove Serpentine Pulley with Mitsubishi Alternator 2008, Remanufactured Alternator by Quality-Built®. With Alternator 110 Amp. 12V, Internal Voltage Regulation, with 11:00 O'clock Plug Position, with...
      Designed specifically for the high demands of professional installersSelect components and advanced manufacturing techniques provide unparalleled performance and reliability
      $122.04
    • Standard® Intermotor™ Voltage Regulator
      (0 reviews)
      # 45115655
      Subaru WRX / WRX STI 2008, 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
    • Holley® LS Accessory Drive Bracket
      (0 reviews)
      # 63644959
      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 your...
      Made with precision and quality in mindBuilt to last
      $159.95
    • Standard® Intermotor™ Starter Solenoid
      (0 reviews)
      # 45115704
      Subaru WRX 2008, Intermotor™ Starter Solenoid 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
      $106.43
    • Agency Power® Alternator Cover
      (0 reviews)
      # 15847462
      Subaru WRX GE Chassis / GH Chassis 2008, 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...
      Dress up the engine bay1-piece design
      $100.00
    • 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
    • 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
    • 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 - $37.02
    • Peak® 150W Cup Holder Mobile Power Outlet
      (0 reviews)
      # 23336042
      Universal 150W Cup Holder Mobile Power Outlet by Peak®. The PEAK 150 Watt Cup Holder Mobile Power Outlet fits right into your ride’s cup holders. It converts your vehicles 12V power source to standard household power and two USB...
      150 watt continuous power / 300 watt peak2 AC outlets & 2 USB outlets
      $25.42
    • Install Bay® Battery Side Post Adapter
      (0 reviews)
      # 1655201
      Battery Side Post Adapter by Install Bay®. Long, Brass. The best available materials and construction.
      LongBrass
      $14.14
    • 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
      $6.56 - $30.19
    • 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
    • Killer B® Alternator Cover Red
      (0 reviews)
      # 61628665
      Subaru WRX / WRX STI 2008, Alternator Cover Red by Killer B Motorsport®. 2008-2014 WRX / STI. Color: Red.
      $63.34
    • Remy® Remanufactured Alternator
      (0 reviews)
      # 63435566
      Subaru WRX / WRX STI with 100 amp Alternator Current 2008, Remanufactured Alternator by Remy®. The alternators by Remy provide significant fuel efficiency and the lowest noise available on the market today. They feature patented...
      Features a refined designPatented winding technology
      $136.39
    • 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
    • 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® 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
    • Denso® Remanufactured Starter
      (0 reviews)
      # 21104214
      Subaru WRX 2008, 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...
      $121.00 - $153.35
    • Bosch® Remanufactured Alternator
      (0 reviews)
      # 35690086
      Subaru WRX / WRX STI 2008, Remanufactured Alternator by Bosch®. If all you hear when starting your car is a click-click sound, chances are your alternator has died on you. Bosch Remanufactured Alternator is built especially for...
      100% exhaustive multipoint quality and performance testingEnsures cranking and starting performance under all temperature extremes
      $182.71
    • 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

    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...