2004 Subaru WRX Replacement Engine Parts

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    • 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
    • Torque Solution® Billet Timing Belt Guide
      (0 reviews)
      # 61628581
      Subaru WRX / WRX STI 2004, Billet Timing Belt Guide by Torque Solution®.
      $66.14
    • 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
    • Beck Arnley® Oil Pressure Switch
      (0 reviews)
      # 52271677
      Subaru WRX 2004, Oil Pressure Switch by Beck Arnley®, with Light. Spade Terminal. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and...
      OE quality products from top original equipmentTop quality materials
      $8.52
    • Standard® Intermotor™ Engine Oil Pressure Sender With Light
      (0 reviews)
      # 45115637
      Subaru WRX / WRX STI 2004, Intermotor™ 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 manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $5.69
    • Genuine® Turbo Inlet Gasket
      (0 reviews)
      # 8872289
      Subaru WRX 2004, Turbo Inlet 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 you waste...
      $23.98
    • Fel-Pro® Cylinder Head Bolt Set
      (0 reviews)
      # 40581978
      Subaru WRX STI with Washers 2004, Cylinder Head Bolt Set by Fel-Pro®. Head Bolt Parameters: 11mm Diameter; 169mm and 62mm Length; 14mm Size; 1.25 Bolt Pinch. If you are looking for quality sealing solutions, Fel-Pro offers you...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $62.53
    • Fel-Pro® Cylinder Head Gasket Set
      (0 reviews)
      # 40581979
      Subaru WRX STI 2004, Cylinder Head Gasket Set by Fel-Pro®, Improved Design. Head Gaskets, Valve Cover Gaskets, Premium Valve Stem Seals Included. Material: Molded Rubber. If you need durable gaskets to prevent leaks on your...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $118.03
    • Beck Arnley® Cylinder Head Bolt Set
      (0 reviews)
      # 52271686
      Subaru WRX / WRX STI 2004, Cylinder Head Bolt Set 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
      $125.34
    • Beck Arnley® Cylinder Head Gasket
      (0 reviews)
      # 35861864
      Subaru WRX STI 2004, Cylinder Head Gasket 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
      $38.22 - $233.91
    • Genuine® Cylinder Head Bolt
      (0 reviews)
      # 8810524
      Subaru WRX / WRX STI 2004, Cylinder Head Bolt 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...
      $17.40
    • AJUSA® Cylinder Head Bolt Set
      (0 reviews)
      # 23003835
      Subaru WRX 2004, Cylinder Head Bolt Set by AJUSA®. Cylinder head bolts are responsible for holding the cylinder head to the engine block. On most modern engines, stretch bolts or torque to yield bolts are typically used and must be...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $31.86
    • AJUSA® Cylinder Head Gasket
      (0 reviews)
      # 23012518
      Subaru WRX 2004, Cylinder Head Gasket by AJUSA®. One the most critical components of any engine is the head gasket — which seals the cylinder head to the engine block. AJUSA offers excellent coverage for European and Asian...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $39.38 - $295.85
    • Ishino® Cylinder Head Gasket
      (0 reviews)
      # 8285750
      Subaru WRX STI 2458CC 2004, Cylinder Head 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...
      $37.53
    • Ishino® Cylinder Head Gasket Set
      (0 reviews)
      # 8286352
      Subaru WRX 2.0L 2004, Cylinder Head Gasket Set 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...
      $263.94
    • Nippon Reinz® Cylinder Head Gasket
      (0 reviews)
      # 8713441
      Subaru WRX 2004, Cylinder Head Gasket by Nippon Reinz®. 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...
      $64.35
    • Victor Reinz® Cylinder Head Bolt Set
      (0 reviews)
      # 24034465
      Subaru WRX STI 2004, Cylinder Head Bolt Set by Victor Reinz®, Use 2 per Car. OEM Standard. Material: Steel. Included: Washers. Bolt Fastener Style. Fastener Head Style: 12-Point. When you’re low on oil, coolant or some other...
      $49.63
    • Victor Reinz® Cylinder Head Gasket
      (0 reviews)
      # 24207343
      Subaru WRX STI 2004, Cylinder Head Gasket by Victor Reinz®. OEM Standard. Torque To Yield. 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...
      $27.50
    • Fel-Pro® Valve Cover Gasket Set
      (0 reviews)
      # 40581980
      Subaru WRX STI 2004, Valve Cover Gasket Set by Fel-Pro®. Gasket Included. Material: Permadry Molded Rubber. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $45.13
    • Beck Arnley® Valve Cover Gasket Set
      (0 reviews)
      # 35861867
      Subaru WRX 2004, Valve Cover Gasket Set 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
      $21.62 - $29.95
    • Beck Arnley® Valve Cover Semi-Circular Plug
      (0 reviews)
      # 52271679
      Subaru WRX / WRX STI 2004, Valve Cover Semi-Circular Plug 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
      $5.24
    • Genuine® Valve Cover Screw
      (0 reviews)
      # 44711909
      Subaru WRX STI 2004, Valve Cover Screw 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...
      $2.35
    • ISHINO® Valve Cover Gasket Set
      (0 reviews)
      # 8291843
      Subaru WRX 2.0L 2004, Valve Cover Gasket Set by Ishino®. Note: This gasket set includes (1 pc.) 13270 AA162 valve cover gasket; and (1 pc.) 13272 AA094 valve cover gasket; and (16 pcs.) valve cover sealing washers.Is your vehicle...
      $64.56
    • Ishino® Valve Cover Gasket
      (0 reviews)
      # 8296767
      Subaru WRX STI 2458CC 2004, Valve Cover Gasket by Ishino®. Spark plug well seals and cam plug ½-moons are not included (order separately). Note: Spark Plug Well Gaskets Serviced Separately.Is your vehicle feeling down on power? Do...
      $13.23 - $13.75
    • Ishino® Valve Stem Seal
      (0 reviews)
      # 8309726
      Subaru WRX 2004, Valve Stem Seal 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 your...
      $4.07 - $4.36
    • Nippon Reinz® Valve Cover Gasket
      (0 reviews)
      # 8719134
      Subaru WRX 2004, Valve Cover Gasket by Nippon Reinz®. 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...
      $18.58 - $19.05
    • Nippon Reinz® Valve Cover Seal Washer
      (0 reviews)
      # 53661947
      Subaru WRX 2004, Valve Cover Seal Washer by Nippon Reinz®. 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...
      $4.20
    • Qualiseal® Valve Cover Seal Washer
      (0 reviews)
      # 54146972
      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?...
      $3.36
    • Victor Reinz® Valve Cover Gasket Set
      (0 reviews)
      # 24053003
      Subaru WRX STI 2004, Valve Cover Gasket Set by Victor Reinz®, Use 1 per Car. Includes: Spark Plug Tube Seals. OEM Standard. Material: Victo-Tech. Included: Spark Plug Tube Seals. Not Included: Camshaft Plug. Not Included: Valve...
      OE quality fluids from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $46.31
    • Fel-Pro® Front Camshaft Seal
      (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 fitEnsure reliable sealing performance
      $16.03
    • Beck Arnley® Front Camshaft Seal
      (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
      $5.24 - $6.44
    • Ishino® Cam Plug
      (0 reviews)
      # 8284499
      Subaru WRX 2004, Cam Plug by Ishino®. 1/2 Moon. Note: (1/2 Moon - Semicircular Plug).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...
      $3.22
    • National® Engine Camshaft Repair Sleeve
      (0 reviews)
      # 21011569
      Subaru WRX 2004, Engine Camshaft 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 built to the original equipment...
      Designed for dependable operation and lasting performanceMeets OE configurations
      $25.03 - $26.68
    • National® Engine Camshaft Seal
      (0 reviews)
      # 21011572
      Subaru WRX 2.5L 2004, Engine Camshaft 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...
      Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection
      $6.49 - $14.34
    • NOK® Camshaft Seal
      (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...
      $8.65 - $9.53
    • 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
    • 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
    • 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
    • Fel-Pro® Rear Crankshaft Seal Kit
      (0 reviews)
      # 40720468
      Subaru WRX 2004, Rear Crankshaft Seal Kit by Fel-Pro®, Improved Design, One-Piece. Material: Rubber. If you are looking for quality sealing solutions, Fel-Pro offers you various replacement products from seals and bolts to O-Rings...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $13.84
    • Beck Arnley® Crankshaft Seal
      (0 reviews)
      # 52273050
      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
      $6.16 - $14.35
    • Dayco® Timing Seal Kit
      (0 reviews)
      # 57902484
      Subaru WRX / WRX STI 2004, Timing Seal Kit by Dayco®. Includes: 4 Camshaft Seals, Crankshaft Seal, Pre-Assembly Seal Lubricant. This kit includes all the seals you need to complete a complex timing system job. Every component...
      Direct OE replacementEnsures leakage-free performance
      $36.38
    • National® Engine Crankshaft Seal, Rear
      (0 reviews)
      # 20927178
      Subaru WRX 2004, Engine Crankshaft Seal by National®, Rear. 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...
      Designed to increase wheel-end reliability by effectively excluding dirt, moisture, and other contaminantsA patent-pending National Dynamic Edge technology allows for maximum protection
      $26.58
    • SKF® Crankshaft Seal
      (0 reviews)
      # 8760859
      Subaru WRX STI 2004, Crankshaft Seal by SKF®. Position: Front. 42x55x8mm. Note: Intake (Upper). 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...
      $10.66
    • Timken® Engine Crankshaft Seal
      (0 reviews)
      # 20509182
      Subaru WRX 2004, Engine Crankshaft Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids, ensuring...
      Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion
      $7.86 - $23.28
    • 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
    • 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
    • Timken® Engine Oil Pump Seal
      (0 reviews)
      # 20416394
      Subaru WRX 2004, Engine Oil Pump Seal by Timken®. Timken offers the right seal to keep your vehicle running optimally. Timken seals provide ultimate protection from contaminants and help retain lubricants and liquids, ensuring...
      Machined rubber sealing edge provides greater accuracy and consistency and a better sealing surfaceAn extra dust lip helps keep harmful contaminants out and protects against rust and corrosion
      $7.86
    • 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
    • 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
    • Standard® Tru-Tech™ Engine Oil Pressure Sender With Light
      (0 reviews)
      # 23785838
      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 manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $5.76
    • 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 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
    • 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® 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