2004 SUBARU IMPREZA Air & Fuel Delivery

Aeromotive Stealth 340 In-Tank Electric Fuel Pumps 11542

Fuel Pump, Stealth, In-Tank, 90 psi, 340 lph, Offset Inlet/Outlet, Inline, 340lph, E85, Gasoline, Each

Part Number: AEI-11542

4.39 out of 5 stars ( 18 )

Estimated Ship Date: Today

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AEM Electronics High-Flow In-Tank Electric Fuel Pumps 50-1220

Fuel Pump, In-Tank, Electric, 340 lph, 80 psi, Each

Part Number: AVM-50-1220

5.0 out of 5 stars ( 3 )

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Go Fast Bits G-Force III Electronic Boost Controllers 3005

Boost Controller, Electronic, Gasoline, 0-50 psi, Set-Up to 6 Boost Presets and Select on the Fly, Each

Part Number: GFS-3005

5.0 out of 5 stars ( 1 )

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Fel-Pro Fuel Injector O-Ring Sets ES 70599

Fuel Injection O-Rings, Set of 4

Part Number: FEL-ES70599

3.89 out of 5 stars ( 9 )

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MotoRad Locking Fuel Caps MGC791

Fuel Tank Cap, Locking, Plastic, Black, For use on Honda®, Chevy, Mazda, Nissan, Toyota, Each

Part Number: SNN-MGC791

5.0 out of 5 stars ( 2 )

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Injector Dynamics ID1050x Fuel Injectors 1050.48.11.WRX.4

Fuel Injector, ID1050x Series, 1065.0cc/min Flow Rate, EV6/USCAR Plug, 2.322 in. Height, Subaru, Set of 4

Part Number: IJD-10504811WRX4

Not Yet Reviewed

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MotoRad OE Replacement-Type Fuel Caps MGC817

Fuel Tank Cap, OE Replacement, Plastic, Black, Each

Part Number: SNN-MGC817

3.0 out of 5 stars ( 1 )

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K&N Universal Performance Air Filters RP-5113

Air Filter Element, Performance, Conical Tapered, Cotton Gauze, Oiled, Red, 6.5 in. OD, 5.0 in. ID, 5.5 in. Tall, Carbon Fiber Cap, Each

Part Number: KNN-RP-5113

Not Yet Reviewed

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Go Fast Bits WGA Wastegate Actuators for 2002-2007 IMPREZA - 7304

Wastegate Actuator, Aluminum, Black, Subaru, Each

Part Number: GFS-7304

Not Yet Reviewed

Estimated Ship Date: Apr 27, 2026 if ordered today

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Estimated Ship Date: Apr 27, 2026 if ordered today

DeatschWerks Inline 10 Microns Fuel Filter with 0.313 in. Inlet Size 8-05-03-010

Fuel Filter, Inline Mount, Billet Aluminum, 10 Microns, 5/16 in. Hose Barb, 70mm Length, Subaru, Each

Part Number: DWK-8-05-03-010

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Injector Dynamics Fuel Injector O-Rings for 2007-2013 FORESTER, 2002-2014 IMPREZA, 2007-2012 LEGACY - SK.48.11.WRX

Injector Dynamics O-Ring/Seal Service Kit for Injector w/ 11mm Top Adapter and WRX Bottom Adapter.

Part Number: IJD-SK-48-11-WRX

Not Yet Reviewed

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COBB Tuning 1050x Fuel Injectors 312150

Fuel Injector, 1050x, 1065 cc/min, Top Feed, Subaru, Gasoline, Flex, E85, Set of 4

Part Number: CBT-312150

Not Yet Reviewed

Estimated Ship Date: May 4, 2026 if ordered today

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Estimated Ship Date: May 4, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Injector Dynamics ID1050x Fuel Injectors 1050.34.14.15.8

5 out of 5 stars ( 4 )

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Dorman Fuel Tanks for 1998-2006 FORESTER, 1999-2006 IMPREZA - 576-634

Fuel Tank With Lock Ring And Seal

Part Number: RNB-576-634

Not Yet Reviewed

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today

Go Fast Bits Respons TMS Direct-fit Blow-Off Valves with TMS Advantage T9003

Blow-Off Valve, Fully Adjustable Sound BOV/Diverter, WRX 2001-07, STi 2002-on, XT Forester 2005-08, Each

Part Number: GFS-T9003

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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DC Sports Short Ram Air Intake Systems for 2002-2006 IMPREZA - SRI4301

Air Intake, Short Ram Style, Red Filter, Silver Powdercoated Tube, Subaru, 2.0L, 2.5L, Kit

Part Number: DCS-SRI4301

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

COBB Tuning 3-Port Boost Control Solenoids for 2004-2008 FORESTER, 2002-2007 IMPREZA - 712750

Boost Control Solenoid, 3-Port, Single Solenoid, Mechanical Wastegate, Subaru, WRX, STI, Forester, Each

Part Number: CBT-712750

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

DeatschWerks Fuel Injectors for 1997-2006 IMPREZA, 2004-2006 LEGACY - 02J-00-0740-4

Fuel Injectors, 740.0cc/min., Subaru 2.5L, Set of 4

Part Number: DWK-02J0007404

Not Yet Reviewed

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Turbosmart Kompact Plumb Back Blow-Off Valves TS-0203-1215

Blow-Off Valve, Plumb Back, Adjustable, Aluminum, Black Anodized, Subaru, Each

Part Number: TBS-TS-0203-1215

Not Yet Reviewed

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DeatschWerks Fuel Injectors for 2002-2011 IMPREZA - 21S-01-0565-4

Fuel Injectors, 565.0 cc/min, Subaru, Set of 4

Part Number: DWK-21S0105654

Not Yet Reviewed

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Beck/Arnley Fuel Injection Pressure Regulators for 2005-2006 9-2X, 2006-2009 FORESTER, 2002-2007 IMPREZA - 158-1536

Fuel Pressure Regulator, Fuel Injection, Stock Style, Saab, Subaru, Each

Part Number: BCK-158-1536

Not Yet Reviewed

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

MotoRad OE Replacement-Type Fuel Caps MGC817T

Tethered Fuel Cap

Part Number: SNN-MGC817T

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Turbosmart Internal Wastegate Actuators for 2015-2016 WRX STI, WRX, 2004-2014 IMPREZA - TS-0605-1072

Wastegate Actuator, Internal, Aluminum, Black Anodized, 7 psi Spring, Subaru, 2.5L, Each

Part Number: TBS-TS-0605-1072

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Radium Engineering Fuel Rails for 2004-2005 FORESTER, 2004-2006 IMPREZA, 2005-2006 LEGACY - 20-0568-02

Top Feed Fuel Rail Conversion Kit Subaru EJ

Part Number: RDM-20-0568-02

Not Yet Reviewed

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Nitrous Express Piranha Nozzle Nitrous Systems 20001-10

Nitrous Express Piranha Nozzle Nitrous Systems 20001-10

Nitrous System, Piranha System, 10 lb Bottle, EFI, Single Nozzle, 30-50-75 HP, Kit

Part Number: NEX-20001-10

3.0 out of 5 stars ( 1 )

Estimated Ship Date: May 1, 2026 if ordered today

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Estimated Ship Date: May 1, 2026 if ordered today

Radium Engineering Fuel Rails for 2002-2014 IMPREZA, 2007-2012 LEGACY - 20-0567-02

Fuel Rails, Top Feed Upgrade, Aluminum, Black Anodized, Subaru, EJ Engines, for Factory Top Feed Only, Pair

Part Number: RDM-20-0567-02

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 5, 2026 if ordered today

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Estimated Ship Date: May 5, 2026 if ordered today