2004 Subaru WRX Replacement Engine Parts

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    • (0 reviews)
      # mpn2384742
      Subaru WRX / WRX STI 2.0L 2004, Valve Cover Seal Washer by Nippon Reinz®. This is the sealing washer for the cam end cover on the cylinder head. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $3.28
    • (0 reviews)
      # mpn1366882
      Subaru WRX 2004, Valve Cover Seal Washer by Qualiseal®. OEM. Note: This is the sealing washer for the cam end cover on the cylinder head. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park?...
      $2.84
    • (0 reviews)
      # mpn1932830
      Subaru WRX / WRX STI 2.0L 2004, Engine Oil Filler Cap by Stant®. Neck Depth: 1.19. Neck Diameter: 1.66. Shell Diameter: 2.61. Cam Type: Threaded. 2 39/64" Oil Filler Cap (1 21/32" x 1 3/16" Threaded). This oil filler cap is...
      Designed to fit and function as the original equipment capMade from premium materials
      $9.15
    • (0 reviews)
      # mpn1457411
      Subaru WRX 2004, Rear Engine Crankshaft Seal Kit by Fel-Pro®. Material: Rubber. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins....
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $8.88
    • (0 reviews)
      # 99906284
      Subaru WRX 2004, Crankshaft Seal by DNJ Engine Components®. Protect your engine part from contaminants and prolong its service life with this premium DNJ seal. Rigorously manufactured from top-grade materials and expertly tested,...
      Designed to provide reliable sealing performanceProtects the engine part from contaminants and extends its life
      $7.44
    • (0 reviews)
      # 35861817
      Subaru WRX 2004, Crankshaft Seal 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
      $3.75 - $10.09
    • (0 reviews)
      # mpn1330037
      Subaru WRX 2004, Rear Engine Crankshaft Seal by National®. Housing Bore: 4.055. Outside Diameter: 4.064. Shaft: 3.386. Width: 0.394. Don’t just repair a leak, prevent future problems with a National Oil Seal. This part is...
      Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection
      $19.91
    • (0 reviews)
      # 40720458
      Subaru WRX 2004, Front Camshaft Seal by Fel-Pro®. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings and dowel pins. Engineered using the latest...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $7.35 - $10.88
    • (0 reviews)
      # 81878652
      Subaru WRX 2004, Camshaft Seal by DNJ Engine Components®. Protect your engine part from contaminants and prolong its service life with this premium DNJ seal. Rigorously manufactured from top-grade materials and expertly tested,...
      Designed to provide reliable sealing performanceProtects the engine part from contaminants and extends its life
      $2.89 - $5.27
    • (0 reviews)
      # 36253724
      Subaru WRX 2004, Front Camshaft Seal 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
      $3.20 - $3.94
    • (0 reviews)
      # mpn720667
      Subaru WRX 2004, Camshaft Seal by Continental® ContiTech™. Size: 32x55x8.5mm. Material: Viton. Designed as an OEM quality replacement for your worn-out or leaking camshaft seal, this product provides a precise fit, reliable and...
      OE quality product for safe, reliable, and efficient performancePrevents oil leakage at the camshaft
      $5.74
    • (0 reviews)
      # 98534204
      Subaru WRX 2004, Engine Camshaft Repair Sleeve by National®. Material: Stainless Steel. This part is manufactured by one of the most trusted names in the automotive industry to keep your vehicle perform optimally. It is built to...
      Designed for dependable operation and lasting performanceMeets OE configurations
      $18.74 - $19.21
    • (0 reviews)
      # 98534226
      Subaru WRX STI 2.5L 2004, Engine Camshaft Seal by National®. Housing Bore: 2.165". 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
      $4.12 - $9.42
    • (0 reviews)
      # 7940296
      Subaru WRX 2004, Camshaft Seal by NOK®. 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 time...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $5.55 - $5.64
    • (0 reviews)
      # mpn1514624
      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 fitEnsures reliable sealing performance
      $14.19
    • (0 reviews)
      # 81878681
      Subaru WRX 2004, Valve Stem Oil Seal Set by DNJ Engine Components®. Get this top-grade quality replacement for your worn out part from DNJ. Expertly crafted from premium materials, this product is of the finest quality to provide...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $12.59 - $12.97
    • (0 reviews)
      # mpn679865
      Subaru WRX / WRX STI 2004, Oil Cooler Gasket by Victor Reinz®. 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $3.64
    • (0 reviews)
      # mpn263060
      Subaru WRX / WRX STI 2.0L 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...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $346.08
    • (0 reviews)
      # mpn2454253
      Subaru WRX / WRX STI 2004, Seal Ring by Elring®. Sold each - Package-25. Size: 12mm (0.47") x 15.5mm (0.61"). Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $0.69
    • (0 reviews)
      # 88043889
      Subaru WRX 2004, Semi-Circular Plug by Beck Arnley®. Location: Valve Cover. 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
      $3.35
    • (0 reviews)
      # 83291272
      Subaru WRX 2004, Engine Cylinder Head Gasket Set by Fel-Pro®. Head Bolts Diameter: W/O Head Bolts. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and...
      Direct OEM replacement for a proper fitEnsures reliable sealing performance
      $93.72 - $186.78
    • (0 reviews)
      # 81878659
      Subaru WRX 2004, Cylinder Head Gasket by DNJ Engine Components®. Get this top-grade quality replacement for your worn out part from DNJ. Expertly crafted from premium materials, this product is of the finest quality to provide you...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $25.06 - $181.07
    • (0 reviews)
      # mpn898157053
      Subaru WRX / WRX STI 2004, Professional™ Engine Oil Pressure Sender With Light by ACDelco®. Connector type: 1 Blade Terminal. Designed utilizing the latest technology, this Engine Oil Pressure Switch by ACDelco features premium...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $8.17
    • (0 reviews)
      # mpn53636392
      Subaru WRX / WRX STI 2004, Intermotor Engine Oil Pressure Sender With Light by Standard®. Connector type: 1 Blade Terminal. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $3.63
    • (0 reviews)
      # mpn53636392
      Subaru WRX / WRX STI 2004, Intermotor Engine Oil Pressure Sender With Light by Standard®. Connectortype: 1 Blade Terminal. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $3.63
    • (0 reviews)
      # mpn3238371806
      Subaru WRX / WRX STI 2004, Tru-Tech™ Engine Oil Pressure Sender With Light by Standard®. 1 Blade Terminal Connector. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $3.59
    • (0 reviews)
      # mpn1232208863
      Subaru WRX 2004, RAN-UP Engine Oil, 300ml by RS-R®. RAN-UP enhances engine efficiency at the microscopic level. Utilizing key components that have been derived from aerospace robotics, this specially formulated mixture of nano...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $49.95
    • (0 reviews)
      # 98906785
      Subaru WRX 2004, Crankshaft by Brian Crower®. BC crankshafts are made from the finest, aerospace grade 4340 steel billet material. CNC machined on state of the art, 5 axis Mazak Integrex 300-IV CNC machines to exacting tolerances...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $2,017.88
    • (0 reviews)
      # 98906803
      Subaru WRX 2004, Stroker Kit by Brian Crower®. Crankshafts: BC crankshafts are made from the finest, aerospace grade 4340 steel billet material. CNC machined on state of the art, 5 axis Mazak Integrex 300-IV CNC machines to...
      BC 4340 billet steel crankshaft (86mm, 94mm or 96mm stroke)BC 4340 Pro Series connecting rods w/ARP625+ fasteners
      $3,061.10 - $3,484.63
    • (0 reviews)
      # 98906778
      Subaru WRX 2004, Camshaft by Brian Crower®. BC high performance camshafts are ground on state-of-the-art CNC cam grinders to insure accuracy and tolerances to within .02mm. Every BC camshaft profile has been prototyped and dyno...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $708.03 - $789.71
    • (0 reviews)
      # mpn458151177
      Subaru WRX STI 2.5L 2004, Billet S1 Camshafts by GSC Power-Division®. GSC Power-Division Billet S1 camshafts for the USDM STi and WRX with Intake only AVCS. These will not drop any low end power, and will creating more power and...
      Intake 266 Duration, 10.8mm LiftExhaust 266 Duration, 10.4mm Lift
      $841.67
    • (0 reviews)
      # 62402202
      Subaru WRX 2004, S1 Camshafts by GSC Power-Division®.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $849.15 - $902.39
    • (0 reviews)
      # 124533627
      Subaru WRX STI 2.5L 2004, Camshaft Set by Kelford Cams®. 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...
      High quality at an affordable priceExpertly made from premium materials
      $236.31 - $988.00
    • (0 reviews)
      # mpn457995051
      Subaru WRX / WRX STI 2004, Non-Underdrive Pulley Kit by Go Fast Bits®. Color: Black. It is now shaped to look exactly like the factory pulley, so it goes unnoticed in your engine bay - it even uses the factory belts. A significant...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $147.28
    • (0 reviews)
      # mpn457995052
      Subaru WRX / WRX STI 2004, Underdrive Crankshaft Pulley Kit by Go Fast Bits®. Material: Aluminum. 3-piece underdrive pulley kit. Made from anodized aircraft-grade aluminium and offers sharper throttle response and faster...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $301.91
    • (0 reviews)
      # 73693817
      Subaru WRX 2004, Lightweight Crank Pulley by PERRIN Performance®. A true weight savings that can be felt with every blip of the gas pedal. Lighten up your rotating engine parts to free up power. The PERRIN Performance Crank Pulley...
      Reduced weight and increased throttle response, horsepower, and torquePerfectly fits all 1993 or newer Subaru boxer engines
      $119.70
    • (0 reviews)
      # mpn458193560
      Subaru WRX / WRX STI 2004, Lightweight Crank Pulley by Torque Solution®. Torque Solution has designed this crank pulley not only to improve performance but to surpass the quality of the original pulley. A critical feature of the...
      599 Grams (~3.5lbs lighter than OEM)lightweight 6061-T6 Billet Aluminum
      $102.81
    • (0 reviews)
      # mpn2564199
      Subaru WRX / WRX STI 2004, Billet Pitch Stop Mount by Agency Power®. Lightweight crank pulleys have proven horsepower and torque increases time after time. Agency Power chooses to make all of the crank pulleys the same diameter as...
      Horsepower and torque increasesMade of CNC machined 6061 aluminum
      $120.00
    • (0 reviews)
      # 84938473
      Subaru WRX 2004, Engine Mount Set by PERRIN Performance®. PERRIN Performance engine mount kits reduce drivetrain movement under hard acceleration, deceleration and corning. Allowing the most efficient transmission of all available...
      Patented interlock design for maximum reliabilityCNC machined 6061-T6 aluminum brackets
      $369.00
    • (0 reviews)
      # 73693832
      Subaru WRX / WRX STI 2004, Pitch Stop Mount by PERRIN Performance®. Reduce drivetrain shudder under hard acceleration by installing a PERRIN Pitch Stop mount. Subaru's with power and drivetrain upgrades will need PERRIN's more...
      Reduces drivetrain movements under hard accelerationAdds power to the wheels by eliminating lost energy
      $105.30
    • (0 reviews)
      # 98991480
      Subaru WRX 2004, Engine Mount by Torque Solution®. Engine mounts you will see and feel a difference in your WRX or STi. These mounts are made out of high grade billet aluminum material and steel. You can rest assure that with our...
      Eliminates wheel hop / traction lossImproved 60fts
      $226.50
    • (0 reviews)
      # mpn457999642
      Subaru WRX / WRX STI with M20xP1.5 Fittings 10 Row with Standard Filter 2004, Oil Cooler Kit by GReddy®. GReddy/GREX Oil Cooler Kits help prolong the life of your oil and in turn your internal engine components. Hard driving causes...
      Large O Ring AdapterIncrease Oil Capacity
      $779.00
    • (0 reviews)
      # 80951361
      Subaru WRX 2004, Aluminum Oil Cooler Kit by Mishimoto®. Increase in Oil Capacity: 0.50 Quarts (0.473L). Temperature Difference: 16 Degrees C. Pressure Drop: 1-2 psi. Includes: 2 Application Specific Mounting Brackets, 10-Row Oil...
      Provides Dramatic Temperature DropMinimal pressure drop
      $382.50 - $429.25
    • (0 reviews)
      # mpn461609439
      Subaru WRX / WRX STI 2004, Oil Cooler Kit by PERRIN Performance®. Reduce engine oil temperatures, extend engine life, and keep your horsepower consistent with a PERRIN oil cooler. In racing conditions engine oil temperature...
      Helps control engine oil temperaturesEfficient heat dissipation
      $670.50
    • (0 reviews)
      # 405824739
      Subaru WRX Thread: M20xP1.5 QX-04 2004, Oil Filter by GReddy®. GReddy Sports OX Oil Filters use “double pleats” folding technology on the inner filter to provide a maximum filtration surface for contaminant removal. It is also...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and racing lifestyle
      $15.20
    • (0 reviews)
      # mpn1899194
      Subaru WRX / WRX STI 2.0L 2004, Premium Wrench-Off Oil Filter by K&N®. Filter Material: High Flow Premium Media. Gasket Material: Nitrile Rubber. Height: 2.875" (73 mm). Outside Diameter: 2.688" (68 mm). Style: Canister. Thread...
      1-in. nut welded to canister to facilitate removalThicker canister walls for strength and durability
      $12.84
    • (1 review)
      # mpn1904637
      Subaru WRX / WRX STI 2004, Pro Series Premium Oil Filter by K&N®. Filter Material: High Flow Premium Media. Gasket Material: Nitrile Rubber. Height: 2.875" (73 mm). Outside Diameter: 2.688" (68 mm). Style: Canister. Thread...
      High flow rates with reduced filter restrictionHigh capacity filter media allows for extended change intervals
      $7.63
    • (0 reviews)
      # 97200608
      Subaru WRX 2004, Hybrid Sport Oil Filter by HKS®. Size: 68 x H65. Thread: M20 x P1.5. Compared to current aftermarket sports oil filters, this innovative product from HKS improves oil pressure drop and flow properties by...
      Designed for the ultimate in quality and performanceSignificantly improves oil pressure drop and flow properties
      $22.93
    • (0 reviews)
      # mpn3064650435
      Subaru WRX / WRX STI 2004, Stainless Steel Reusable Oil Filter by HUBB Filters®. 3" Outside Diameter. M20 x 1.5 mm Thread size. Spin-On Filter. The HUBB filter looks and works completely differently than a conventional filter and...
      Made from surgical stainless steelFilter-in-a-filter design
      $98.99
    • (0 reviews)
      # 403650565
      Subaru WRX 2004, EJ Series High Performance Oil Pan by Killer B Motorsport®. V2 Performance Oil pan is designed to reliably meet the demands of high performance Subaru Engines used on street or track applications. This Oil Pan...
      High quality at an affordable priceExpertly made from premium materials
      $508.00
    • (0 reviews)
      # mpn458128177
      Subaru WRX STI 2004, Oil Pan Package by Killer B Motorsport®. 3-Piece Pan, Pickup & Baffle. Get the V2 Performance Oil Pan, Ultimate Oil Pickup and receive our Performance Baffle for free.
      High quality at an affordable priceExpertly made from premium materials
      $688.00
    • (0 reviews)
      # 74053125
      Subaru WRX 2004, Rotated Turbo Installation Kit by PERRIN Performance®. Each Kit includes Intake system, 3" downpipe, boost tube connection for Front Mounted Intercooler, and all other parts needed for installation for those who...
      Designed to provide more horsepowerRotated turbo allows to attach to almost every aftermarket front mount intercooler
      $1,305.00
    • (0 reviews)
      # mpn469958191
      Subaru WRX STI 2004, GT II Sports Turbo Kit by HKS®. Boost Pressure: 78.5 - 98.1 kPa (0.8 - 1.0 kgf/cm2). Component: GT II 7460 (49T A/R 0.67) Turbine, Upgraded Actuator, Oil Piping, Water Piping, Gaskets/Short Parts. Designed...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $2,405.89
    • (0 reviews)
      # 70195877
      Subaru WRX 2004, GT Sport Turbo Upgrade by HKS®. Boost Pressure: 88.3 kPa (0.9 kgf/cm2). Turbo Size: GT2835 (56T). These kits consist of new, larger HKS GT turbos designed to bolt directly on to the stock manifold(s). Designed...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $3,386.07
    • (0 reviews)
      # 97200614
      Subaru WRX 2004, Super SQV4 Blowoff Valve Kit by HKS®. HKS Super SQV (Sequential Blow Off Valve) uses a unique sequential valve structure and a differential pressure control system, which allows for a broad operating range from low...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $332.80
    • (0 reviews)
      # 93466841
      Subaru WRX 2004, Front Mount Intercooler Kit by AVO®. Includes: Black Piping.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $1,200.00
    • (0 reviews)
      # 62402067
      Subaru WRX 2004, Top Mount Intercooler by AVO®.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $730.00 - $899.00
    • (0 reviews)
      # 98991912
      Subaru WRX 2004, BC625+ Connecting Rods by Brian Crower®. Set of Four. Bc625+ With Arp Custom Age 625+ Fasteners (Subaru Ej205/Ej257). Rod Length: 5.141". The BC625+ rod from BC is the premier industry connecting rod. Incorporating...
      $706.25
    • (0 reviews)
      # 98991914
      Subaru WRX 2004, I Beam Extreme Connecting Rods by Brian Crower®. Set of Four. I Beam Extreme With Arp Custom Age 625+ (Subaru Ej205/Ej257). Rod Length: 5.141". BC offers an I-Beam style connecting rod for those who prefer that...
      $919.05
    • (0 reviews)
      # 98991916
      Subaru WRX 2004, I-Beam Connecting Rods by Brian Crower®. Set of Four. I Beam With Arp2000 Fasteners (Subaru Ej205/Ej257). Rod Length: 5.141". BC offers an I-Beam style connecting rod for those who prefer that traditional design...
      $716.69




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    2004 Subaru WRX Replacement Engine Parts Reviews

    Average rating:  5  5 - 1 review
    5 of 5
    Great Product
    Excellent quality. Installed on my 03 WRX easily, and it works great.
    GPosted by Gustaf (Huntsville, AL) / November 20, 2013
    2005 Subaru WRX
    Was this review helpful for you? Yes

    2004 Subaru WRX Models
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