2004 Subaru WRX Transmission Parts

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    • (0 reviews)
      $9.19$7.35
      Subaru WRX Subaru 4 Speeds 2004, Automatic Transmission Extension Housing Seal by National®. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured using exclusive National Dynamic...
      Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection
      # 20917185
    • (0 reviews)
      $2.99from $2.39 - $8.18
      Subaru WRX Subaru 4 Speeds 2004, Automatic Transmission Output Shaft Seal by National®. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured using exclusive National Dynamic Edge...
      Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection
      # 21011541
    • (0 reviews)
      $48.46from $38.77 - $40.45
      Subaru WRX 2004, High Performance Transmission Oil Cooler Kit by Hayden®. 9/16" - 18 S.A.E. Flare Fittings, Tube and Fin Style. Featuring a lightweight aluminum construction, this high performance transmission oil cooler is...
      All aluminum lightweight constructionElectrostatically powder coated to prevent corrosion
      # 23646185
    • (0 reviews)
      $48.16from $38.53 - $49.02
      Subaru WRX 2004, Rapid-Cool™ Transmission Oil Cooler Kit by Hayden®. 3/8" Push-On Fittings, Plate and Fin Style. This premium transmission oil cooler features a unique plate and fin design, which is 33% more efficient than a...
      Unique plate and fin design33% more efficient than a comparable tube and fin design
      # 23646171
    • (0 reviews)
      $10.53from $8.42 - $16.43
      Subaru WRX 2004, Transmission Oil Cooler Mounting Kit by Hayden®. With this product, you can easily install both your transmission oil cooler and electric fan. This kit includes nylon rods, foam pads, and removable locking buttons.
      Ensures trouble-free installation of transmission coolers and electric fansIncludes nylon rods, foam pads, and removable locking buttons
      # 23646175
    • (0 reviews)
      $33.38from $26.70 - $32.97
      Subaru WRX 2004, Ultra-Cool™ Transmission Oil Cooler Kit by Hayden®. 3/8" Push-On Fittings, Tube and Fin Style. This product is an effective and economical way to keep your transmission at its optimum operating temperature. The...
      High-efficiency turbulators in every tube ensure maximum heat dissipationUltrasonically soldered for reliability
      # 23646181
    • (0 reviews)
      $361.36from $289.09 - $436.94
      Subaru WRX 2004, Premium Pull Type Clutch Kit by RhinoPac®. Disk Type: Organic. Without Slave Cylinder. Upgrade your vehicle to a RhinoPac Clutch Kit to get smooth clutch operation and precise shifting you expect from your car....
      Helps restore factory-like performanceDurable construction for long-term use
      # 21538550
    • (0 reviews)
      $659.75from $527.80 - $806.16
      Subaru WRX 2004, SR Series Pull Type Clutch Kit by RhinoPac®. Without Slave Cylinder. Upgrade your vehicle to RhinoPac's SR Clutch Kit which features a unique combination of torque capacity, coefficient of friction, and clamp load...
      Performance upgrade kitEngineered for modified street use
      # 21538553
    • (0 reviews)
      $351.74from $281.39 - $502.21
      Subaru WRX 2004, Clutch Kit by Beck Arnley®, Original Replacement Service Set: Flywheel not Included, Spline: 24, 1" Diameter. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning...
      OE quality products from top original equipmentTop quality materials
      # 36253715
    • (0 reviews)
      $51.05$40.84
      Subaru WRX / WRX STI 2004, Clutch Master Cylinder by Dorman®. Dorman’s Clutch Master Cylinder effectively returns hydraulic pressure to the clutch system, restoring the ability to shift properly again. Dorman also offers a Clutch...
      Direct replacement for a proper fit every timeReinforced nylon, cast iron or aluminum construction for a long service life
      # 17885438
    • (0 reviews)
      $27.49$21.99
      Subaru WRX Standard Transmission 2004, Back Up Light Switch 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...
      OE quality products from top original equipmentTop quality materials
      # 52271661
    • (0 reviews)
      $38.13$30.50
      Subaru WRX 2004, Clutch Release Bearing by National®. Bearing Assembly - Sealed Self-Aligning. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment...
      Possesses excellent antifriction propertiesManufactured utilizing computer controlled heat treatment processes for lasting performance
      # 20924154
    • (0 reviews)
      $10.65$8.52
      Subaru WRX 2004, Manual Transmission Input Shaft Seal by National®. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured using exclusive National Dynamic Edge technology that...
      Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection
      # 21011556
    • (0 reviews)
      $2.99from $2.39 - $8.18
      Subaru WRX 2004, Manual Transmission Output Shaft Seal by National®. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured using exclusive National Dynamic Edge technology that...
      Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection
      # 21011564
    • (0 reviews)
      $30.94$24.75
      Subaru WRX Subaru TY754 5 Speeds 2004, Manual Transmission Differential Bearing by National®. This bearing is manufactured from high quality steel and constructed utilizing state-of-the-art computer controlled heat treatment...
      Possesses excellent antifriction propertiesManufactured utilizing computer controlled heat treatment processes for lasting performance
      # 20928416
    • (0 reviews)
      $31.78$25.42
      Subaru WRX Subaru 4 Speeds 2004, Automatic Transmission Extension Housing Repair Sleeve by National®. 2nd Design. 1.365" Shaft. 35 mm I.D. This part is manufactured by one of the most trusted names in the automotive industry to...
      Designed for dependable operation and lasting performanceMeets OE configurations
      # 20916843
    • (0 reviews)
      $29.29$23.43
      Subaru WRX Subaru 4 Speeds 2004, Automatic Transmission Output Shaft Repair Sleeve by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform optimally. It is...
      Designed for dependable operation and lasting performanceMeets OE configurations
      # 21011538
    • (0 reviews)
      $17.14from $13.71 - $28.54
      Subaru WRX 2004, Automatic Transmission Filter 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...
      OE quality products from top original equipmentTop quality materials
      # 35861825
    • (0 reviews)
      $26.18$20.94
      Subaru WRX 2.5L 2004, Spin-on Automatic Transmission Filter by Hastings®. This filter removes dirt, dust, and other contaminants from the automatic transmission fluid to minimize wear inside the system prolonging its service life....
      For use with standard and fully synthetic transmission fluidsProlongs the service life of the transmission
      # 21462039
    • (0 reviews)
      $3.20from $2.56 - $9.89
      Subaru WRX STI 2004, Stainless Steel Transmission Magnetic Drain Plugs by Dorman®. Dorman’s Oil Drain Plugs are available in many styles styles, including standard, inset gasket, molded gasket, and pilot point. Other options...
      Direct replacement for a proper fit every timeCoated for high corrosion resistance and a long service life
      # 43378151
    • (0 reviews)
      $13.74$10.99
      Subaru WRX 2004, Automatic Transmission Oil Pan Gasket by Fel-Pro®. With 20 Bolt Holes. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      # 40581643
    • (0 reviews)
      $77.43$61.94
      Subaru WRX 2004, Clutch Master Cylinder 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
      # 52271676
    • (0 reviews)
      $37.80from $30.24 - $46.76
      Subaru WRX 2004, Clutch Slave Cylinder 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
      # 36253718
    • (0 reviews)
      $28.85$23.08
      Subaru WRX Subaru 4 Speeds 2004, Automatic Transmission Torque Converter Repair Sleeve by National®. 1.95" Shaft. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform...
      Designed for dependable operation and lasting performanceMeets OE configurations
      # 20921409
    • (0 reviews)
      $10.30$8.24
      Subaru WRX Subaru 4 Speeds 2004, Automatic Transmission Torque Converter Seal by National®. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured using exclusive National Dynamic...
      Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection
      # 20922175
    • (0 reviews)
      $7.33$5.86
      Subaru WRX Subaru 4 Speeds 2004, Automatic Transmission Oil Pump Seal by National®. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is manufactured using exclusive National Dynamic Edge...
      Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection
      # 20920239
    • (0 reviews)
      $12.39$9.91
      Subaru WRX 2004, Transmission Oil Cooler Hose by Hayden®. Size: 11/32" x 4 1/2". This part provides a safe heat and oil resistant connecting line between your oil cooler and transmission. Manufactured from black chemigum, the oil...
      Direct replacement for proper fitMade of black chemigum (nitrile)
      # 23602418
    • (0 reviews)
      $38.15$30.52
      Subaru WRX 2004, Manual Transmission Input Shaft Repair Sleeve by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle performing optimally. It is built to the...
      Designed for dependable operation and lasting performanceMeets OE configurations
      # 21011553
    • (0 reviews)
      $29.29$23.43
      Subaru WRX 2004, Manual Transmission Output Shaft Repair Sleeve by National®. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle performing optimally. It is built to the...
      Designed for dependable operation and lasting performanceMeets OE configurations
      # 21011559
    • (0 reviews)
      $13.10$10.48
      Subaru WRX 2004, Clutch Hydraulic Hose by Dorman®. End Fitting Material: Treated Steel; Hose Material: EPDM Rubber; Jacket Material: Rubber. Engineered from high-quality materials to ensure chemical and thermal resistance,...
      Direct replacement for a proper fit every timeIntegral brackets included for ease of installation (where applicable)
      # 45828995
    • (0 reviews)
      $315.40from $252.32 - $936.25
      Subaru WRX 2004, Clutch Kit by Exedy®. Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does your engine race without an increase in road speed? You’re in need of...
      # 7974104
    • (0 reviews)
      $726.11$580.89
      Subaru WRX Standard Transmission 2004, Racing Flywheel by Exedy®. Note: Sport Solid one piece billet chrome-moly steel; 5.8 kgs; 8 crank bolts; 124 teeth Specifically designed to reduce weight and inertia for better engine...
      # 7974845
    • (0 reviews)
      $82.98$66.38
      Subaru WRX / WRX STI 2004, Release Bearing by Exedy®. Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does your engine race without an increase in road speed? You’re in need...
      # 7957003
    • (0 reviews)
      $34.84$27.87
      Subaru WRX 2004, AT Filter by Full®. Note: Spin On Type. Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does your engine race without an increase in road speed? You’re in...
      # 8013851
    • (0 reviews)
      $204.49$163.59
      Subaru WRX Automatic Transmission 2004, AT Solenoid by Genuine®. Note: Control #1 Assembly. Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does your engine race without an...
      # 8779770
    • (0 reviews)
      $240.80$192.64
      Subaru WRX STI 2004, Clutch Disc by Genuine®. Note: Eng: E978365-, Production: 04/01/2003. Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does your engine race without an...
      # 8799646
    • (0 reviews)
      $364.91$291.93
      Subaru WRX STI 2004, Flywheel by Genuine®. Note: Eng: 978365-, Production: 08/01/2003-, Inc. Ring Gear & Pilot Bearing. Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does...
      # 8824735
    • (0 reviews)
      $3.70$2.96
      Subaru WRX / WRX STI 2004, Flywheel Bolt by Genuine®. Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does your engine race without an increase in road speed? You’re in need...
      # 8824856
    • (0 reviews)
      $272.21$217.77
      Subaru WRX 2004, Input Shaft Bearing by Genuine®. Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does your engine race without an increase in road speed? You’re in need of...
      # 44711900
    • (0 reviews)
      $247.88$198.30
      Subaru WRX STI 2004, Pressure Plate by Genuine®. Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does your engine race without an increase in road speed? You’re in need of...
      # 8804017
    • (0 reviews)
      $5.34$4.27
      Subaru WRX 2004, Rel. Brg. Clip by Genuine®. Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does your engine race without an increase in road speed? You’re in need of...
      # 8807011
    • (0 reviews)
      $202.40$161.92
      Subaru WRX 2004, Clutch Master Cylinder by Nabtesco®. Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does your engine race without an increase in road speed? You’re in need...
      # 7769966
    • (0 reviews)
      $87.58from $70.06 - $77.64
      Subaru WRX 2004, Clutch Slave Cylinder by Nabtesco®. Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does your engine race without an increase in road speed? You’re in need...
      # 7790148
    • (0 reviews)
      $10.81$8.65
      Subaru WRX 2004, Pilot Bearing by Nachi®. Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does your engine race without an increase in road speed? You’re in need of...
      # 7740105
    • (0 reviews)
      $22.28$17.82
      Subaru WRX 2004, Pilot Bearing by SKF®. Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does your engine race without an increase in road speed? You’re in need of...
      # 8763943
    • (0 reviews)
      $480.63from $384.50 - $570.70
      Subaru WRX Turbocharged 2004, OEM Replacement Clutch Kit by EXEDY®. Pull Type. Includes Flywheel Bolts. Spline Teeth: 24 Teeth. Replace your failing OEM clutch with a new, OEM-quality EXEDY clutch assembly. EXEDY is a Tier 1...
      # 50014512
    • (0 reviews)
      $35.50$28.40
      Subaru WRX Standard Transmission 2004, Intermotor™ Back Up Light Switch by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      # 45264001
    • (0 reviews)
      $20.76from $16.61 - $22.37
      Subaru WRX 2004, Auto Trans Fluid by Febi®. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to the local auto parts chain store. But before you waste your time and gas only to find high...
      # 8403071
    • (0 reviews)
      $22.01$17.61
      Subaru WRX 2004, Slave Cylinder by EXEDY®. Exedy GlobalParts (formerly Daikin Clutch USA) Clutch Slave Cylinders are top of the line, brand new OEM Clutch Slave Cylinders, built specifically for your vehicle.
      Precision honing of hydraulic cylinders are monitored under OE quality control standards.Anodyzing plating of cylinder bodies strengthens surface, ensuring smooth operation of the piston, and resists corrosion.
      # 50008563
    • (0 reviews)
      $14.36from $11.49 - $35.36
      Universal Transmission Oil Cooler Barrier Hose by Hayden®. This part provides a safe heat and oil resistant connecting line between your oil cooler and transmission. Manufactured from black chemigum, the oil cooler hose features a...
      Designed for transmission fluid applicationsMade for tight radius applications found in transmission cooler installations
      # 22196995
    • (0 reviews)
      $12.25$9.80
      Universal Transmission Oil Cooler Mounting Kit by Hayden®. With this product, you can easily install your transmission oil cooler. This kit includes everything required to easily do the job.
      Quality constructionEnsures trouble-free installation of transmission oil coolers
      # 22278594
    • (0 reviews)
      $10.00from $8.00 - $27.00
      Universal Hydraulic Oil Booster/Stop Leak by Lucas Oil®. Lucas Oil® Oil Booster & Stop Leak was formulated to renew hydraulic fluid with an additive package that stops seal leaks, boosts pressure, reduces operating temperatures...
      Stops leaksPrevents major overhauls
      # 47637010
    • (0 reviews)
      $68.75$55.00
      Universal Synthetic Transmission Lubricant by Lucas Oil®, 1 gal. Lucas Automatic Transmission Fluids and Lubricants are designed to withstand high temperatures and pressure. Excellent for high performance transmissions. Greatly...
      Smooth, precise shiftingExtraordinary protection
      # 47636701
    • (0 reviews)
      $16.25$13.00
      Universal Transmission Fix™ Stops Slip by Lucas Oil®, 24 oz. Lucas Transmission Fix is a non-solvent formula that stops slip, hesitation and rough shifting in worn transmissions and completely eliminates most seal leaks. Use in...
      Contains no solventsLowers operating temperatures and stops foaming
      # 47636694
    • (0 reviews)
      $25.00$20.00
      Universal Universal Hydraulic Fluid by Lucas Oil®, 1 gal. Lucas Universal Hydraulic Fluid starts with the highest quality base oils available and an additive package that contains thermal stabilizers and lubricity agents that are...
      Meets and exceeds all OEM specifications for power shift transmissionsExtends equipment and fluid life
      # 47636695
    • (0 reviews)
      $3.89$3.11
      TranSeal™ Transmission Sealer by MotorMedic®, 12 oz. TranSeal™ Strong Automatic Transmission Sealer conditions seals and stops leaks fast. It is compatible with most ATF and is a assured shift improver.
      Stops leaks fastCompatible with most ATF
      # 46062771
    • (0 reviews)
      $9.09$7.27
      Transmission Sealer and Cleaner by MotorMedic®, 32 oz. TranSeal™ Strong Automatic Transmission Sealer conditions seals and stops leaks fast. It is compatible with most ATF and is a assured shift improver.
      Stops leaks fastCompatible with most ATF
      # 46062770
    • (0 reviews)
      $9.70$7.76
      Transmission Sealer by No Leak®, 16 oz. Transmission Treatment stops and prevents transmission fluid leaks. Safe and compatible with all types of transmission fluids, it helps stop hard shifting and conditions seals to stop leaks.
      Stops and prevents transmission leaks caused by dried, shrunken, or harden sealsStops hard shifting and repairs seals
      # 46061992
    • (0 reviews)
      $12.14$9.71
      Universal Transmission Stop Slip with Leak Repair by Rislone®, 32 oz. This Rislone® product contains a special blend of viscosity improvers, anti-wear friction modifiers and extreme pressure performance additives to solve most...
      # 46062148
    Guides & Articles
    If you’ve decided it’s time to replace the clutch on your manual-transmission car, you’ve reached the point where advantages (crisp, new-feeling response) have come to outweigh disadvantages (significant labor costs or time spent doing it yourself). Whether you don’t have a choice because your old clutch slips badly, or you want to take initiative and...
    In this article we'll look at the differences between a "transaxle" and a "transmission". In short, a transaxle performs both the gear-changing function of a transmission and the power-splitting ability of an axle differential in one integrated unit. A transmission performs the gear-changing function only, delivering power via a single output shaft at the back of...
    In this installment, we'll give you the steps for replacing the transmission fluid and fluid filter inside your vehicle's automatic transmission – saving you several hundred dollars by sparing you a visit to the shop. This maintenance procedure is a straightforward one, and it's important for the overall longevity of your transmission. The engineers that built...
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