2004 Subaru WRX Performance Engine Parts

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    • aFe® Pro Guard D2 Oil Filter
      (0 reviews)
      # 40159557
      Subaru WRX / WRX STI 2004, Pro Guard D2 Oil Filter by aFe®. aFe created the Pro Guard D2 Oil Filter to handle the extreme conditions typically encountered by a heavy-duty diesel truck. Inside it has a synthetic composite material...
      $14.95
    • Agency Power® Billet Pitch Stop Mount
      (0 reviews)
      # 15847470
      Subaru WRX 2004, Billet Pitch Stop Mount by Agency Power®. When switching from 4 lug to 5 lug hubs, the shock mounts for those wanting to use their existing shocks or coilovers will need spacers. These spacers fit in the shock...
      $120.00
    • Mishimoto® Aluminum Intercoolers
      (0 reviews)
      # 15874735
      Subaru WRX / WRX STI 2004, Aluminum Intercoolers by Mishimoto®. The Mishimoto Intercooler is manufactured with robust cast aluminum end tanks and a dense bar-and-plate core. This intercooler provides decreased intake temperatures,...
      100% aluminum construction with durable cast end tanks TIG-welded to a highly efficient bar-and-plate coreIntercooler core designed for maximum cooling efficiency and minimal pressure drop
      $580.00 - $1,040.00
    • Mishimoto® Aluminum Oil Coolers
      (0 reviews)
      # 61366374
      Subaru WRX / WRX STI 2004, Aluminum Oil Coolers by Mishimoto®. Specially designed for your car, the Mishimoto oil cooler is a direct fit and can be installed in under two hours! Mounted behind the front bumper, the Mishimoto Oil...
      Provides Dramatic Temperature DropMinimal pressure drop
      $382.50 - $429.25
    • Agency Power® Offset Turbo Inlet Coupler
      (0 reviews)
      # 15848592
      Subaru WRX 2004, Offset Turbo Inlet Coupler by Agency Power®. By providing you with smooth bends, larger diameter piping, and more efficient air flow design, your car will gain performance all around. Quicker turbo spool up, faster...
      Faster throttle responseAluminum
      $40.00
    • Turbosmart® Blow-Off Valve
      (0 reviews)
      # 31836866
      Subaru WRX / WRX STI 2004, Blow-Off Valve by Turbosmart®. Completely redesigned for 2011, this product by Turbosmart is 46% lighter and 25% smaller than the previous model. Designed to provide greater performance through faster...
      Designed for use on large-capacity turbocharger systems and high-horsepower enginesBrings maximum possible performance through faster turbo spool-up from idle and reduced turbo lag between gears
      $166.04 - $332.09
    • Mishimoto® Aluminum Oil Filler Cap
      (0 reviews)
      # 52157780
      Subaru WRX / WRX STI 2004, Aluminum Oil Filler Cap by Mishimoto®. Add function and style to your engine bay with a Mishimoto CNC billet Oil Filler Cap. This item is a great compliment to any engine bay. The included O-Ring ensures...
      Billet CNC-machined aluminum for optimal fit and finishIncluded O-ring ensures a perfect seal
      $41.25
    • Mishimoto® Silicone Intercooler Hose Kit
      (0 reviews)
      # 61271400
      Subaru WRX 2004, Silicone Intercooler Hose Kit by Mishimoto®. Includes: 3 Silicone Hoses, 7 T-Bolt Clamps. Mishimoto's Silicone Intercooler Hoses are made from a combination of high-grade silicone and heat-resistant embedded fibers...
      Direct OEM fitManufactured from 100% high-grade silicone and heat-resistant embedded fibers
      $102.00
    • Mishimoto® USDM Silicone Intercooler Hose Kit
      (0 reviews)
      # 61271410
      Subaru WRX STI 2004, USDM Silicone Intercooler Hose Kit by Mishimoto®. Includes: 3 Silicone Hoses, 6 T-Bolt Clamps. Inner Hoses Diameters: 1.16" & 1.30", 2.50", 1.80" & 1.90". Outer Hoses Diameters: 1.56" & 1.70", 2.90", 2.20" &...
      Direct OEM fitManufactured from 100% high-grade silicone and heat-resistant embedded fibers
      $87.00
    • Mishimoto® Ancillary Silicone Turbocharger Hose Kit
      (1 reviews)
      # 15876643
      Subaru WRX 2004, Ancillary Silicone Turbocharger Hose Kit by Mishimoto®. Mishimoto turbo hoses are made from a combination of high-grade silicone and heat-resistant embedded fibers for a high-quality replacement kit for your OEM...
      Direct OEM fitManufactured from 100% high-grade silicone and heat-resistant embedded fibers
      $108.00 - $138.00
    • Agency Power® Adjustable Blow-Off Valve
      (0 reviews)
      # 15847435
      Subaru WRX / WRX STI 2004, Adjustable Blow-Off Valve by Agency Power®. The blow off valve is a device that helps relieve pressure between shifts. This keeps the turbo spooled and reduces turbo lag as you go through the gears. In...
      Full T6061 CNC aluminum valveAgency Power text is engraved on the body
      $295.00
    • Agency Power® Black Turbo Inlet Pipe Kit
      (0 reviews)
      # 45569389
      Subaru WRX STI 2004, Black Turbo Inlet Pipe Kit by Agency Power®. By providing you with smooth bends, larger diameter piping, and more efficient air flow design, your car will gain performance all around. Quicker turbo spool up,...
      Faster throttle responseAluminum
      $250.00
    • Agency Power® Turbo Inlet Pipe Kit
      (0 reviews)
      # 15848504
      Subaru WRX 2004, Turbo Inlet Pipe Kit by Agency Power®. By providing you with smooth bends, larger diameter piping, and more efficient air flow design, your car will gain performance all around. Quicker turbo spool up, faster...
      Faster throttle responseAluminum
      $250.00
    • Turbosmart® Blow-Off Valve Flange Adapter Kit
      (0 reviews)
      # 24594334
      Subaru WRX / WRX STI 2004, Blow-Off Valve Flange Adapter Kit by Turbosmart®. This kit includes everything required to allow the fitment of a Turbosmart Universal Plumback, Dual Port and Supersonic BOV via quick change V-Band. The...
      Designed to allow the fitment of Turbosmart Universal Plumback, Dual Port and Supersonic BOVMade of high durable materials
      $71.02
    • Beck Arnley® Exhaust Valve Stem Oil Seal
      (0 reviews)
      # 52265939
      Subaru WRX 2004, Exhaust Valve Stem Oil Seal by Beck Arnley®, 4 per Pack. 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
      $2.72
    • Genuine® Exhaust Valve
      (0 reviews)
      # 8834924
      Subaru WRX 2004, Exhaust Valve by Genuine®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste your...
      $36.92 - $76.16
    • Genuine® Intake Valve
      (0 reviews)
      # 8845996
      Subaru WRX 2004, Intake Valve by Genuine®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste your...
      $26.61 - $27.61
    • Dayco® PowerBond™ Premium OEM Replacement Harmonic Balancer
      (0 reviews)
      # 24520601
      Subaru WRX 2004, PowerBond™ Premium OEM Replacement Harmonic Balancer by Dayco®. Whether you are a professional engine rebuilder or shade tree mechanic, this product is what you need when OE quality, fit, and function are a must....
      OE quality, fit, and function at an affordable priceSG (Spheroidal Graphite) iron casting for extra durability
      $79.48
    • Dorman® Harmonic Balancer and Pulley Assembly
      (0 reviews)
      # 62427338
      Subaru WRX 2004, Harmonic Balancer and Pulley Assembly by Dorman®, 1 Pieces. This is an aftermarket part that replaces factory OE # 12305 AA242, 12305AA130. Packaging Type: Box. Color: Black. Includes: with Balancer, Woodruff Key,...
      Includes woodruff key, bolts, and washers for a complete repair (where applicable)Direct replacement to ensure proper fit
      $37.74
    • Genuine® Crankshaft Pulley
      (0 reviews)
      # 8807393
      Subaru WRX 2004, Crankshaft Pulley by Genuine®. Note: Harmonic Balancer. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of...
      $217.28
    • AJUSA® Engine Full Gasket Set
      (0 reviews)
      # 23012521
      Subaru WRX 2004, Engine Full Gasket Set by AJUSA®. If you need durable gaskets to prevent leaks on your vehicle, Ajusa is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets meet...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $275.18 - $278.00
    • Genuine® Engine Gasket Set
      (0 reviews)
      # 8854395
      Subaru WRX 2004, Engine Gasket Set by Genuine®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste...
      $344.11
    • Anchor® Engine Mounts
      (0 reviews)
      # 21143193
      Subaru WRX STI 2004, Engine Mounts by Anchor®. If you feel vibration accompanied by unusual noise when driving, this can be the sign of a bad engine mount. Replace it with a mount from the leading aftermarket supplier, Anchor....
      Direct OEM replacementSecurely supports the engine on the chassis
      $18.62 - $36.16
    • Beck Arnley® Mount
      (0 reviews)
      # 36253728
      Subaru WRX 2004, Mount 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 1950’s,...
      OE quality products from top original equipmentTop quality materials
      $64.41
    • Genuine® Engine Mount
      (0 reviews)
      # 8863259
      Subaru WRX / WRX STI 2004, Engine Mount by Genuine®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you...
      $124.14
    • Westar® Front Engine Mount
      (0 reviews)
      # 61274202
      Subaru WRX 2004, Front Engine Mount by Westar®. Engineered to minimize vibration from the engine. This engine mount will make sure your engine runs quietly and does not rattle when started and while driving.
      Build with quality that matches or exceeds OEM SpecificationsPerfect fit
      $30.21
    • Beck Arnley® Oil Filter
      (0 reviews)
      # 52265940
      Subaru WRX 2004, Oil Filter by Beck Arnley®. RB-Replaces: 041-8074. 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
      $9.10
    • FRAM® High Mileage™ Full-Flow Spin-On Oil Filter
      (0 reviews)
      # 40170794
      Subaru WRX 2.0L FI 2004, High Mileage™ Full-Flow Spin-On Oil Filter by FRAM®. 1 Piece. This Full-Flow Spin-On filter helps to extend the service life of High Mileage vehicles ensuring maximum engine protection and unrestricted...
      Ensures extreme engine protection and oil filtration for older high mileage vehiclesContains time-released additives to maintain protection throughout oil life
      $9.23
    • FRAM® Tough Guard™ Full-Flow Spin-On Oil Filter
      (1 reviews)
      # 40173556
      Subaru WRX FI 2004, Tough Guard™ Full-Flow Spin-On Oil Filter by FRAM®. 1 Piece. This filter is designed to ensure maximum protection to your engine under any driving conditions. FRAM Tough Guard oil filter uses only high-quality...
      Ensures extreme engine protection and oil filtrationDesigned for Premium Conventional and Synthetic Blend Motor Oil
      $8.57 - $8.96
    • FRAM® Ultra/Xtended Guard Full-Flow Spin-On Oil Filter
      (0 reviews)
      # 40173563
      Subaru WRX FI 2004, Ultra/Xtended Guard Full-Flow Spin-On Oil Filter by FRAM®. 1 Piece. Engineered for maximum engine protection without affecting oil flow this full-flow filter utilizes dual-layer synthetic media that provides...
      Designed for Full-Flow oil filtrationFor use with synthetic oil
      $10.72
    • Hastings® Spin-on Oil Filter
      (0 reviews)
      # 21463427
      Subaru WRX 2.5L 2004, Spin-on Oil Filter by Hastings®. 1 Piece. This filter traps contaminants from the oil minimizing the possibility of costly engine repairs. To prevent any leaks, it comes with a nitrile gasket that withstands...
      Protects the engine from damaging contaminantsExcels in both contaminant removal efficiency and contaminant holding capacity
      $9.80
    • MANN-Filter® Spin-On Oil Filter
      (0 reviews)
      # 20564174
      Subaru WRX 2004, Spin-On Oil Filter by MANN-Filter®. 1 Piece. This oil filter is designed to provide the engine with clean oil needed for smooth and long-lasting operation. The product stands up to even the most demanding...
      Optimum protection for the engineDesigned for modern high-performance oil
      $5.02
    • Motorcraft® Engine Oil Filter
      (0 reviews)
      # 23872039
      Subaru WRX 2004, Engine Oil Filter by Motorcraft®. At your next oil change, replace your dirty oil filter with this premium product. Engineered specifically for your Ford, Mercury, or Lincoln, the Motorcraft oil filter thoroughly...
      Direct OEM replacementRecommended by Ford Motor Company
      $8.44
    • Dorman® Oil Pan
      (0 reviews)
      # 62427337
      Subaru WRX 2004, Center Oil Pan by Dorman®, 1 Pieces. This is an aftermarket part that replaces factory OE # 11109-AA051, 11109-AA052, 11109-AA053. Material: Steel. Packaging Type: Box. Color: Black Anti-Rust Painted. Wet Sump...
      Stamped steel or cast aluminum construction ensures long lasting durabilityHigh strength coating prevents rust
      $46.59
    • Genuine® Oil Pump
      (0 reviews)
      # 8850902
      Subaru WRX 2004, Oil Pump by Genuine®. 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 prices...
      $209.64
    • Replace® OE Replacement Engine
      (0 reviews)
      # 23117328
      Subaru WRX 2004, OE Replacement Remanufactured Engine by Replace®. C10 Engine, C12 Engine, ISO 14000 and ISO 9000 Quality Control. "Sim Tested" for Compression, Leaks, Noises, Oil Pressure. If your engine is worn out, don’t just...
      Designed to be better than newReverse engineered to ensure any factory defects are eliminated
      $4,298.75 - $4,398.75
    • Beck Arnley® Left Upper Timing Idler
      (0 reviews)
      # 36227493
      Subaru WRX / WRX STI 2004, Left Upper Timing Idler 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
      $42.07
    • Beck Arnley® Timing Idler Pulley
      (0 reviews)
      # 36253710
      Subaru WRX 2004, Timing Idler Pulley 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
      $43.50 - $48.68
    • Denso® Oil Filter
      (0 reviews)
      # 21061374
      Subaru WRX / WRX STI 2004, Oil Filter by Denso®. O.E. Quality Replacement Filter. Height: 65 mm. Outside Diameter: 68 mm. When it comes to oil filters, you can't do better than Denso. This is why Densi is one of the world's premier...
      Heavy-duty steel case resists distortionPre-lubricated molded o-ring provides superior sealing over generic filters
      $6.94
    • Genuine® Oil Pump Screen
      (0 reviews)
      # 8794909
      Subaru WRX 2004, Oil Pump Screen by Genuine®. Note: Inc. Screen. 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...
      $38.80
    • Genuine® Turbo Hose
      (0 reviews)
      # 8916051
      Subaru WRX / WRX STI 2004, Turbo Hose by Genuine®. Note: J-Shaped Water Hose w' protector. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may...
      $19.51
    • Beck Arnley® Oil Filler Cap
      (0 reviews)
      # 52271667
      Subaru WRX 2004, Oil Filler Cap 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
      $12.81
    • Gates® Engine Oil Filler Cap
      (0 reviews)
      # 49152260
      Subaru WRX 2004, Engine Oil Filler Cap by Gates®. Gates produces a variety of plastic and metal oil filler cap designs to meet the needs of OEM automotive, heavy duty and military applications. Cam Twist.
      $9.16
    • Stant® Oil Filler Cap
      (0 reviews)
      # 42367700
      Subaru WRX 2004, Oil Filler Cap by Stant®. Packaged in a Box. This oil filler cap is designed to fit and function the same as the original equipment cap. It’s a direct replacement, made from premium materials and constructed for...
      Designed to fit and function as the original equipment capMade from premium materials
      $8.90
    • Dayco® Timing Component Kit with Water Pump
      (0 reviews)
      # 57969013
      Subaru WRX / WRX STI 2004, Timing Component Kit with Water Pump by Dayco®. Constructed for the replacement of worn out timing belts, belt idlers, tensioners, water pumps and hydraulic actuators, this kit is your best choice when...
      Designed for the replacement of worn or damaged timing belts, tensioners, belt idlers, hydraulic actuators and water pumpsMeets or exceeds OE quality, fit, form and function requirements
      $228.65 - $247.00
    • Koyo® Timing Belt Idler
      (0 reviews)
      # 7697902
      Subaru WRX 2004, Timing Belt Idler by Koyo®. Double Style Bearing. When replacing an earlier design idler on some older engines with this later design bearing, a different length retaining bolt may be required. Note: Smooth Roller....
      $41.18
    • NTN® T-Belt Tension Assembly
      (0 reviews)
      # 7813136
      Subaru WRX 2004, T-Belt Tension Assembly by NTN®. This tensioner assembly includes both the automatic tension adjuster and the bearing/roller. 1 PIECE TENSIONER. The roller does not come separately even though it un-bolts from the...
      $138.80
    • NTN® Timing Belt Idler
      (0 reviews)
      # 7813269
      Subaru WRX 2004, Timing Belt Idler by NTN®. Position: Left Upper. Small, Smooth Roller on Tensioner Bracket. Lower. Note: Small Smooth Roller on Tensioner Bracket. Do you hear chirping or squealing noise? Has the “power”...
      $51.34
    • Beck Arnley® Valve Cover Grommet
      (0 reviews)
      # 52271674
      Subaru WRX 2004, Valve Cover Grommet by Beck Arnley®, 10 per Pack. 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
      $11.72
    • Fel-Pro® Valve Stem Oil Seal Set
      (0 reviews)
      # 57246274
      Subaru WRX 2004, Valve Stem Oil Seal Set by Fel-Pro®. Premium Valve Stem Seals Included. Material: Premium High-Temperature Rubber. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $20.57
    • Genuine® Cam Follower
      (0 reviews)
      # 8832176
      Subaru WRX 2004, Cam Follower by Genuine®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste your...
      $41.78
    • Genuine® Timing Cover Gasket
      (0 reviews)
      # 8831303
      Subaru WRX / WRX STI 2004, Timing Cover Gasket by Genuine®. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before...
      $4.03 - $23.10
    • Ishino® Timing Cover Gasket
      (0 reviews)
      # 8305142
      Subaru WRX 2004, Timing Cover Gasket by Ishino®.Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste...
      $2.79 - $28.08
    • Ishino® Timing Cover Grommet
      (0 reviews)
      # 8291161
      Subaru WRX 2004, Timing Cover Grommet by Ishino®.Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need of repair, but before you waste...
      $2.94
    • Nippon Reinz® Timing Cover Gasket
      (0 reviews)
      # 8715746
      Subaru WRX / WRX STI 2004, Timing Cover Gasket by Nippon Reinz®. Position: Left. Note: Diamond Shaped Gasket. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light...
      $3.94
    • Elring® Seal Ring
      (0 reviews)
      # 7667423
      Subaru WRX / WRX STI 2004, Seal Ring by Elring®. Sold each - Package-25. Copper. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in need...
      $0.50
    • Whiteline® Motor Mount Inserts
      (0 reviews)
      # 61628579
      Subaru WRX / WRX STI 2004, Motor Mount Inserts by Whiteline®. Comes in a kit. Bushing made from Polyurethane. Position: Front.
      $22.32
    • Fel-Pro® Oil Pan Gasket Set
      (0 reviews)
      # 57246273
      Subaru WRX 2004, Oil Pan Gasket Set by Fel-Pro®. Material: Blue Stripe Cork-Rubber. 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
      $9.05
    • Nippon Reinz® Oil Pan Gasket
      (0 reviews)
      # 8722626
      Subaru WRX 2004, Oil Pan Gasket by Nippon Reinz®. This engine does not use a gasket between the oil pan and the block, except for this o-ring located in the right rear corner of the oil pan. Use the appropriate liquid gasket...
      $5.61
    • National® Engine Oil Pump Seal
      (0 reviews)
      # 20927683
      Subaru WRX 2004, Engine 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 technology that generates a 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
      $7.68



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    2004 Subaru WRX Performance Engine Parts Reviews
    Average rating: 5 5 - 1 reviews
    (5)
    APPEARANCE
    EASE OF INSTALLATION
    PRICE/VALUE
    QUALITY
    2012 Subaru WRX | Posted by Charles | (St.catharines, ON)

    Fits perfect on my Subaru 2012 WRX, it very easy to install. Turbosmart even has a video to walk you through step by step on how to install it. Spring is easy to adjust. Best of both worlds running this 50/50 port: nice Blow-Off Valve plus afterfire sound on 4k+ RPM, and quietly recirculated for under 3k RPM. Most importantly no idling issues for the sensitive stock ECU. Also, Turbosmart is the brother company of TurboXS. Will Recommend!

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