2004 Subaru Outback Fuel and Emissions Systems

Essential 2004 Subaru Outback Fuel and Emissions Systems

Delphi – Fuel Tank Cleaning Kit (Part No.FC01)

Fuel Tank Cleaning Kit

from

$12.49
To perform a complete fuel pump replacement, clean the tank every time. Order the Delphi Fuel Tank Cleaning Kit (Part FC01). Remember, the original pump went into a clean fuel tank, to ensure the same level of performance, the new pump should too. 100 ye

Product Features:
  • Helps avoid premature fuel pump failure
  • Lint free towel included
  • Low suds formulation
  • Removes harmful contaminants from the fuel tank
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Dorman – Evaporative Emissions Canister Vent Valve (Part No.911-650)

Evaporative Emissions Canister Vent Valve

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$105.99
A malfunctioning vapor canister vent solenoid can cause the engine light to come on. This vapor canister vent solenoid is engineered of quality materials for durability to ensure proper operation of the vehicle’s evaporative emissions system.

Product Features:
  • Direct replacement – this vapor canister vent solenoid fits and performs like original equipment with simple plug-and-play installation
  • Quality construction – manufactured from premium materials for a long service life
  • Excellent value – original equipment function at a lower price
  • Quality tested – has undergone simulation and endurance testing to ensure proper fit and performance
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Carquest Premium – Remanufactured Fuel Injector (Part No.A212-3394)

Remanufactured Fuel Injector

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$43.99
CARQUEST’S line of remanufactured OEM fuel injectors are remanufactured using a proven 15 step process at a state-of-the-art remanufacturing facility in the U.S.A. Each injector is 100% tested under multiple operating conditions to ensure each injector meets or exceeds OE specifications for flow rate, spray pattern, coil resistance, form, fit and function. Each injector includes new external seals and O-rings.

Product Features:
  • Each unit is 100% tested to OE specifications
  • Includes new O-rings and seals made of premium OE quality materials
  • Includes application specific technical bulletin, where applicable
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Carquest Premium – Vapor Canister Purge Solenoid (Part No.CPA1774)

Vapor Canister Purge Solenoid

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$39.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Idle Air Control Valve (Part No.AEA1066)

Idle Air Control Valve

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$472.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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DENSO – Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit (Part No.234-4212)

Oxygen Sensor: 4 Wire, 11.77" Long, Heated, Universal Fit

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$69.99
DENSO Oxygen Sensors are manufactured and tested to the strictest OE standards for unparalleled peformance; Each component is precision built for exact replacement, and a first time fit; This innovative line features DENSO’s exclusive aluminum oxide trap layer, designed to protect the ceramic element from silicone and lead posining for improved engine performance, greater fuel efficiency, and unparalleled longevity; DENSO gives you the right part and the right fit, the first time.

Product Features:
  • Specifically designed to meet the increasing demands of today’s engines
  • 100% checked for high temperature signal output, air tightness, continuity, and heat resistance for optimal efficiency and performance
  • Coated with aluminum oxide to prevent silicone and lead from contacting the ceramic element and damaging the platinum electrode
  • Double protection cover helps maintain proper unit temperature for quicker response times, which is critical to your vehicle’s fuel efficiency
  • Manufactured with a rugged stainless steel housing and porous PTFE filter to resist corrosion and contamination
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DENSO – Manifold Absolute Pressure Sensor (Part No.198-0002)

Manifold Absolute Pressure Sensor

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$356.99
DENSO’s MAP sensors offer leading edge sensing technology which helps controls fuel injection more precisely. They are compact lightweight and designed with fewer connections improving performance and reliability. DENSO’s MAP sensors have high detection accuracy which reduces emissions.

Product Features:
  • OE technology adapted for the aftermarket
  • Reduces emissions, increased performance
  • Delivers the highest reliability and detection accuracy
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Carquest Premium – Fuel Pump Strainer FS1521181 (Part No.FS1521181)

Fuel Pump Strainer FS1521181

from

$16.99
Carquest Premium electric fuel pumps are built to meet or exceed Original Equipment (OE) specifications for fit, form and function. Our Carquest Premium fuel pumps are built to be installed in the Original Equipment module or assembly. We have invested in industry-leading quality upgrades, like upgraded turbine impellers and 100% carbon commutators, to deliver greater reliability. Carquest Premium electric fuel pumps are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • 100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
  • OE upgraded turbine impellers greatly reduce fuel pulsation
  • All fuel pumps are 100% performance tested
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Delphi – Fuel Injection Pressure Regulator (Part No.FP10407)

Fuel Injection Pressure Regulator

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$98.99
100 years of OE experience, supplier to the world’s top automakers, OE Heritage and knowledge built into every aftermarket part.

Product Features:
  • Precisely manufactured internal valves, diaphragms and springs means excellent performance under all engine operating conditions
  • Quiet operation, no audible regulator noise
  • Robust diaphragm materials means longer life, improved durability and compatibility with a wide range of fuels
  • Consistent and predictable fuel pressure throughout system range of control provides great drivability
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Nippon Reinz – Fuel Injector O-Ring (Part No.C1012251347NRZ)

Fuel Injector O-Ring

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$3.39
NIPPON REINZ engineers work with OEMs to develop complete engine sealing solutions for gasoline, diesel, and alternative energy vehicles. We employ custom sealing solutions through our expert problem solving utilizing our regional research and development centers. As an Integral Partner with Virtually Every major vehicle and engine manufacturer worldwide, NIPPON REINZ offers a comprehensive range of sealing Innovative Systems, INCLUDING Head gaskets, Heat shields, sealing modules, secondary gaskets, Valve stem Seals, and transmission components.
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Mahle – FI Throttle Body Mou (Part No.C7001300559MAH)

FI Throttle Body Mou

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$12.43
FI Throttle Body Mou

Carquest Premium – Gas Cap: Twist On, Reduces Air Pollution, 1 Pack (Part No.10817)

Gas Cap: Twist On, Reduces Air Pollution, 1 Pack

from

$15.79
Manufactured with OEM quality materials and safety standards by an OE Supplier. Manufactured to pass all state and federal emissions requirements. Specifically designed pressure and vacuum relief valves to prevent evaporation of fuel. A leaking fuel cap can allow up to 30 gallons of gasoline to evaporate over the period of a year.

Product Features:
  • Passes all state and federal emissions tests
  • Manufactured from durable, long-life materials
  • Reduces air pollution with proper sealing and venting
  • Independently tested for emission control
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Carquest Premium – Multi Purpose Relay (Part No.RAA1251)

Multi Purpose Relay

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$20.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Dorman – Air Mass Meter Intake Boot (Part No.B3132337945DOR)

Air Mass Meter Intake Boot

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$46.95
Return your air intake system to proper functioning with Dorman’s Air Intake Hose. Constructed of high-quality rubber, the hose resists the drying and cracking that commonly cause check engine lights and drivability issues.

Product Features:
  • Direct replacement for a proper fit every time
  • Designed to accommodate all necessary PCV and emission fittings
  • Hose slides on easily for trouble-free installation
  • Rigorous quality control measures have been undertaken to ensure that this part conforms to product standards
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Delphi – Mass Air Flow Sensor (Part No.AF10345)

Mass Air Flow Sensor

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$191.99
100% new; Delphi OE Technology Validated to match the vehicle applications; Manufactured to meet or exceed OE requirements.

Product Features:
  • Delphi mass air flow sensors are the global benchmark for accuracy and signal noise
  • Delphi mass air flow sensors feature high quality sensing elements for outstanding performance over a wide range of ambient temperatures
  • Delphi is a manufacturer of OE mass air flow sensors since their first use over 30 years ago
  • All parts are calibrated and tested to match the OE part
  • Probe solution offered wherever possible to reduce repair time by eliminating the need to replace the flow tube.
  • Delphi OE technology validated to match the vehicle applications
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Felpro – Fuel Injector O-Ring Set (Part No.ES 73203)

Fuel Injector O-Ring Set

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$10.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Carquest – Fuel Injector Seal Kit (Part No.274712)

Fuel Injector Seal Kit

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$5.99
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • State-of-the-art designs that meet or exceed OE specifications
  • Top-of-the-line quality and performance
  • With industry leading expertise, when original equipment fails our products are designed to fix the inherent failure issues
  • BWD is a global manufacturer of original equipment and aftermarket fuel injection products, complete quality control is maintained through the manufacturing process from componentry to finished product
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Ishino Stone – Fuel Injector O-Ring (Part No.C1012262676ISH)

Fuel Injector O-Ring

from

$2.16
Fuel Injector O-Ring

Carquest Premium – Exhaust Gas Recirculation (EGR) Valve Motor Connector (Part No.PTA1869)

Exhaust Gas Recirculation (EGR) Valve Motor Connector

from

$64.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

Product Features:
  • Premium quality materials for longer service life
  • Sealed connections (where applicable) to prevent environmental corrosion and performance issues
  • Global coverage for import and/or domestic applications
  • OE specified wire gauge to ensure a reliable electrical connection
  • Designed to meet or exceed OE specifications in form, fit and function
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Felpro – Exhaust Gas Recirculation (EGR) Valve Gasket (Part No.72963)

Exhaust Gas Recirculation (EGR) Valve Gasket

from

$5.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered for the sealing repair environment
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Carquest Premium – Ambient Air Temperature Sensor (Part No.WTA1121)

Ambient Air Temperature Sensor

from

$43.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Fuel Pump Module Assembly M2520957: Fuel Pump, Sending Unit and Strainer (Part No.M2520957)

Fuel Pump Module Assembly M2520957: Fuel Pump, Sending Unit and Strainer

from

$542.99
Carquest Premium fuel pump modules and assemblies are built to meet or exceed Original Equipment (OE) specifications for fit, form and function. We have invested in industry-leading quality improvements like upgraded turbine impellers and 100% carbon commutators to deliver greater reliability. Carquest Premium fuel pump modules are supplied with the pump strainer and gaskets or seals when required for the application. Carquest Premium fuel pump modules are engineered with superior quality components to provide the longest life and reliable performance.

Product Features:
  • Meets or exceeds OE specifications for fit, form and function
  • 100% carbon commutators provide resistance to aggressive fuels and double the life expectancy of the pump
  • OE upgraded turbine impellers greatly reduce fuel pulsation
  • All fuel pumps are 100% performance tested
  • Includes installation gaskets or seals where applicable
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FAE – Intake Air Temperature Sensor (Part No.C6000271665FAE)

Intake Air Temperature Sensor

from

$33.99
The FAE Intake Air Temperature Sensor is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium aftermarket replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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Carquest Premium – Fuel Cap Tester Adapter (Part No.12410)

Fuel Cap Tester Adapter

from

$15.99
Fuel Cap Tester Adaper for use with Stant fuel cap testers. Color coded for easy identification. Made of durable plastic.

Product Features:
  • BAR Certified adapters
  • Adapter check’s a fuel cap’s ability to hold pressure.
  • Adapters meet EPA standards for recommended fleet coverage.
  • Check adapter application chart for specific makes and models
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Carquest – Fuel Injector Connector (Part No.PT2318)

Fuel Injector Connector

from

$4.29
High-quality products that meet OE appearance and performance to provide professional technicians and DIYers with a cost-effective solution.

Product Features:
  • Designed to OE standards for ease of installation
  • All electrical connectors are 100% tested for proper mechanical and electrical fit, form and function
  • Offering thousands of high-quality pigtails & sockets for nearly every electrical job
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Carquest Premium – Vapor Canister (Part No.CPN2371)

Vapor Canister

from

$708.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Carquest Premium – Fuel Tank Pressure Sensor (Part No.ECC2947)

Fuel Tank Pressure Sensor

from

$213.99
Fuel Tank Pressure Sensor

DENSO – First Time Fit Air Fuel Ratio Sensor (Part No.C5015305035ND)

First Time Fit Air Fuel Ratio Sensor

from

$254.99
DENSO a global supplier to automakers manufactures an OE-equivalent direct fit air fuel ratio sensor that maintains the quality and performance of the Original Equipment it replaces. DENSO continues to innovate with the latest development in air fuel ratio sensors. These components, also known as wide-band oxygen sensors, have a broader response range to provide much finer control of air/fuel mixtures over a greater variety of operating conditions.

Product Features:
  • Tarnish-proof platinum electrodes provides longer life and maintains accuracy
  • Quick-response planar zirconia element can quickly detect oxygen concentration
  • Measures A/F ratios from approximately 12:1 to 19:1
  • Increased performance by mapping a/f ratios throughout rpm range
  • Reduces emissions by keeping the air-fuel mixture at an optimum ratio
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2004 Subaru Outback Fuel and Emissions Systems

You count on your 2004 Subaru Outback to run right. That means taking care of it with regular maintenance, necessary repairs, and the right parts. Advance Auto Parts can help with all of that thanks to our extensive inventory of trusted Fuel and Emissions Systems. With 82 Fuel and Emissions Systems ranging in price from $1.86 to $472.99, you’re sure to find everything you need for your 2004 Subaru Outback.

Brands matter. If you want to shop a specific Fuel and Emissions Systems brand, we stock 18 different brands like Carquest Premium, Bosch, and Delphi. 2004 Subaru Outback Fuel and Emissions Systems start as low as $1.86!

One of the best ways to find top quality OEM or aftermarket Fuel and Emissions Systems is by asking professionals. Short of that, you can shop with confidence thanks to our 3,412 extensive product reviews on 2004 Subaru Outback Fuel and Emissions Systems. Some of the top-rated Fuel and Emissions Systems products we carry are Oxygen Sensor: Downstream, 4 Wire, 21.26" Long, Heated, Exact Fit with 4.5 stars and Locking Fuel Cap with 4.3 stars.

Did we mention you can order your Fuel and Emissions Systems from our online catalog and have them shipped right to your garage? Or, if you feel like seeing the parts first-hand, search for your nearest Advance Auto Parts location above and pick up in-store when you’re ready. Browse our full Fuel and Emissions Systems inventory for your 2004 Subaru Outback below to get started!

Top-Rated Fuel and Emissions Systems Brands For Your 2004 Subaru Outback

Trusted Fuel and Emissions Systems OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2004 Subaru Outback running right for years to come. In our inventory you’ll find brands like Carquest Premium, Bosch, Delphi, and even more.

Popular Dorman Fuel and Emissions Systems

You’ll find popular Dorman brand products across Vapor Canister Purge Valves. All are waiting to get your 2004 Subaru Outback back on the road. Some of the top-rated Dorman products in these categories are:
Evaporative Emissions Canister Vent Valve
from $105.99
(2)
Evaporative Emissions Canister Vent Valve
Vapor Canister Vent Solenoids

Top-Rated Carquest Premium Fuel and Emissions Systems


If Carquest Premium are what you’re looking for, our inventory holds plenty. We stock Carquest Premium brand Fuel and Emissions Systems for your 2004 Subaru Outback, and some of our most reviewed Carquest Premium parts include:

FAQs for 2004 Subaru Outback Fuel and Emissions Systems

What are the most purchased Fuel and Emissions Systems for the 2004 Subaru Outback?

Out of 82 Fuel and Emissions Systems for the 2004 Subaru Outback, the most popular in our inventory are:
Fuel Tank Cleaning Kit
from $12.49
This product is not rated
Fuel Tank Cleaning Kit
Fuel Tank Cleaning Kits

What are the top-rated 2004 Subaru Outback Fuel and Emissions Systems?

Top-rated Fuel and Emissions Systems for your 2004 Subaru Outback based on customer reviews/ratings are:
Locking Fuel Cap
from $23.99
(35)
Locking Fuel Cap
“Had a check engine light and when I scanned it, calls for a new gas cap. Instead of buying oem from the dealer or just an ordinary gas cap from a part”
Locking Fuel Cap: 10501, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
from $24.99
(32)
Locking Fuel Cap: 10501, Screw On, Direct Fit, Provides Tight Seal, 1 Pack
“Lost old gas cap and replaced with this one, which comes with a lock (which you don’t have to use,FYI)”