2004 Subaru Legacy Air Intakes

Essential 2004 Subaru Legacy Air Intakes

Dorman – Ignition Coil Connector (Part No.645-787)

Ignition Coil Connector

from

$28.99
This ignition coil connector is designed to match the appearance and function of the original hardware on specified applications. Made of quality materials, it is engineered for reliable performance and durability.

Product Features:
  • Direct replacement – this ignition coil connector matches the appearance and function of the factory hardware on specified applications
  • Ideal solution – this connector is a reliable replacement for an original part that is missing or has failed due to fatigue
  • Durable construction – this part is made from quality materials to ensure reliable performance and long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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Carquest Premium – Throttle Position Sensor (Part No.ECC1183)

Throttle Position Sensor

from

$176.99
MotoRad Throttle Position Sensors offer precision signaling to the ECM to ensure optimum performance and fuel economy. Manufactured using the highest quality OEM approved materials, resulting in tighter tolerances and increased durability. All MotoRad Throttle Position Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Manufactured to provide superior sealing, protecting against all engine bay contaminants and insulation from extreme hot and cold temperatures.
  • 100% calibrated and end-of-line tested to ensure worry-free, out-of-the-box performance
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
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Carquest Premium – Throttle Position Sensor (Part No.ECC1159)

Throttle Position Sensor

from

$98.99
MotoRad Throttle Position Sensors offer precision signaling to the ECM to ensure optimum performance and fuel economy. Manufactured using the highest quality OEM approved materials, resulting in tighter tolerances and increased durability. All MotoRad Throttle Position Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Manufactured to provide superior sealing, protecting against all engine bay contaminants and insulation from extreme hot and cold temperatures.
  • 100% calibrated and end-of-line tested to ensure worry-free, out-of-the-box performance
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
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Hitachi – Throttle Position Sensor Actual OE Part New (Part No.TPS0008)

Throttle Position Sensor Actual OE Part New

from

$69.99
Hitachi is a Tier One OE supplier to the largest automobile manufacturers globally, delivery industry leading quality, and exceeding customer expectations with our products and service. Hitachi is bringing that same knowledge and expertise to the premium products we deliver in the Aftermarket because Quality Matters. Today’s technologically advanced vehicles rely very heavily on sensors to operate efficiently. And when it comes to the throttle, Hitachi’s throttle position sensors are the choice of manufacturers worldwide. Built using highly accurate potentiometers, Hitachi takes the extra step of protecting all critical electronic components to reduce the possibility of contamination and increase the reliability and durability of the sensor. In tests, Hitachi’s TPS was shown to provide consistent signal outputs that help maintain a smooth running engine while increasing overall efficiency when compared to other brands. Designed to meet the exact needs of each specific vehicle, Hitachi throttle positions sensors are the premium choice. Hitachi sensor line supports accurate measurement for reliable engine performance.

Product Features:
  • Hitachi is a Tier 1 OE supplier for throttle position sensors
  • 100% NEW, never remanufactured
  • Meets the OE performance and durability standards for this application
  • Accurate and reliable measurements
  • Provides accurate measurement; reliable engine performance.
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Carquest Premium – Throttle Sensor (Part No.ECC1202)

Throttle Sensor

from

$99.99
Carquest Throttle Position Sensors offer precision signaling to the ECM to ensure optimum performance and fuel economy. Manufactured using the highest quality OEM approved materials, resulting in tighter tolerances and increased durability. All Carquest Throttle Position Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Manufactured to provide superior sealing, protecting against all engine bay contaminants and insulation from extreme hot and cold temperatures.
  • 100% calibrated and end-of-line tested to ensure worry-free, out-of-the-box performance
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal vibration, durability, static electricity, and micro tension, among other tests, to ensure all sensors meet or exceed OEM specifications.
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Felpro – Engine Intake Manifold Gasket Set (Part No.MS 97192)

Engine Intake Manifold Gasket Set

from

$34.49
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:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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Nippon Reinz – Nippon Reinz Intake Manifold Gasket (Part No.A8040173321NRZ)

Nippon Reinz Intake Manifold Gasket

from

$7.28
Innovative product design and high quality materials allows us to provide Victor Reinz gaskets to meet specific engine requirements. The Dana global team of experienced engineers works with all engine types and configurations to offer the best sealing solution for specific applications.

Product Features:
  • Improved reliability, durability, and engine performance
  • Embossment shapes designed to improve durability
  • Stopper layer can be designed with topography to optimize load balance
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Nippon Reinz – Nippon Reinz Intake Manifold Gasket (Part No.A8040117778NRZ)

Nippon Reinz Intake Manifold Gasket

from

$6.44
Innovative product design and high quality materials allows us to provide Victor Reinz gaskets to meet specific engine requirements. The Dana global team of experienced engineers works with all engine types and configurations to offer the best sealing solution for specific applications.

Product Features:
  • Improved reliability, durability, and engine performance
  • Embossment shapes designed to improve durability
  • Stopper layer can be designed with topography to optimize load balance
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Felpro – Engine Intake Manifold Gasket Set (Part No.MS 97164)

Engine Intake Manifold Gasket Set

from

$26.99
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:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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Nippon Reinz – Intake Manifold Gasket (Part No.A8040117689NRZ)

Intake Manifold Gasket

from

$5.51
Innovative product design and high quality materials allows us to provide Victor Reinz gaskets to meet specific engine requirements. The Dana global team of experienced engineers works with all engine types and configurations to offer the best sealing solution for specific applications.

Product Features:
  • Improved reliability, durability, and engine performance
  • Embossment shapes designed to improve durability
  • Stopper layer can be designed with topography to optimize load balance
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Felpro – Engine Intake Manifold Gasket Set (Part No.MS 94987)

Engine Intake Manifold Gasket Set

from

$24.49
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:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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MAHLE Original – Intake Manifold Set (Part No.MS19517)

Intake Manifold Set

from

$27.99
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • Intake manifold gasket set contains manifold gasket(s) needed to replace an intake manifold.
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Felpro – Engine Intake Manifold Gasket Set (Part No.MS 96106)

Engine Intake Manifold Gasket Set

from

$19.99
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:
  • DESIGNED FOR IMPERFECT SEALING SURFACES — Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
  • SEALING TECHNOLOGIES — Exclusive sealing innovations and technologies with proprietary materials and unique design features to ensure a superior seal for your repair
  • ENGINEERING EXPERTISE — Parts are designed, reviewed, validated and approved by Fel-Pro engineers through rigorous research and development
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
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Victor Reinz – Engine Intake Manifold Gasket Set (Part No.11-10734-01)

Engine Intake Manifold Gasket Set

from

$54.99
Withstanding harsh environments, while sealing fuel, air, coolant, and oil, is the challenging task for intake manifold gaskets. Victor Reinz product coverage includes upper manifold (plenum) gaskets, lower intake manifold gaskets and additional gaskets and seals as required. Victor Reinz engineers choose from the worlds broadest range of gasket materials and constructions, and select the best design for the specific engine, whether it is import, domestic, heavy cast iron or lightweight aluminum.

Product Features:
  • Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
  • Longer service intervals and Organic Acid Technology coolants place additional burdens on molded intake manifold gaskets. Victor Reinz offers maximum durability and steel carrier gasket designs for severe applications.
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Original Equipment – Intake Manifold Gask (Part No.A8040302291OEA)

Intake Manifold Gask

from

$4.77
The Original Equipment intake manifold gasket is the ORIGINAL part, supplied in a plain box, with the car manufacturer’s logo on the part.

Product Features:
  • OE Quality
  • Improved reliability, durability, and engine performance
  • Reduced oil consumption
  • Embossment shapes designed to improve durability
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Ishino Stone – Ishino Stone Intake Plenum Gasket (Part No.A8041187276ISH)

Ishino Stone Intake Plenum Gasket

from

$4.31
ISHINO STONE® – Ishino Corporation of Japan – has been manufacturing gaskets since 1932 and tier-1 OEM supplier to Toyota, Honda and other Japanese auto manufacturers. The Ishino Stone solution is to supply gaskets featuring a combination of different elastomer layers, carefully adapted to complement each other and preserve the integrity of the seal.

Product Features:
  • Superb quality and precision manufacturing process to ensure overall sealing dependability
  • Static sealing solutions are guaranteed to supply strong sealing power to eliminate any leakage
  • Manufactured to exact OEM specifications
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Carquest Premium – Fuel Injector Seal Kit (Part No.AS037)

Fuel Injector Seal Kit

from

$14.29
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
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Carquest Premium – Fuel Injector Seal Kit (Part No.AS008)

Fuel Injector Seal Kit

from

$7.79
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
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Carquest Premium – Fuel Injector Seal Kit (Part No.AS024A)

Fuel Injector Seal Kit

from

$5.29
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
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Carquest Premium – Fuel Injector Seal Kit (Part No.AS001)

Fuel Injector Seal Kit

from

$8.99
CARQUEST fuel injector seal kits include the necessary O-rings and seals to properly reseal the injector, which is a recommended practice any time the injector is removed. Each kit services one injector and includes hard to find or previously dealer-only components.

Product Features:
  • Premium OE quality materials
  • Services one injector
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2004 Subaru Legacy Air Intakes

You count on your 2004 Subaru Legacy 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 Air Intakes. With 8 Air Intakes ranging in price from $4.00 to $176.99, you’re sure to find everything you need for your 2004 Subaru Legacy.

Brands matter. If you want to shop a specific Air Intakes brand, we stock 5 different brands like Carquest Premium, Felpro, and Dorman. 2004 Subaru Legacy Air Intakes start as low as $4.00!

One of the best ways to find top quality OEM or aftermarket Air Intakes is by asking professionals. Short of that, you can shop with confidence thanks to our 80 extensive product reviews on 2004 Subaru Legacy Air Intakes.

Did we mention you can order your Air Intakes 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 Air Intakes inventory for your 2004 Subaru Legacy below to get started!

Top-Rated Air Intakes Brands For Your 2004 Subaru Legacy

Trusted Air Intakes OEM and aftermarket product brands are what Advance Auto Parts specializes in. The brands we work with are sure to keep that 2004 Subaru Legacy running right for years to come. In our inventory you’ll find brands like Carquest Premium, Felpro, Dorman, and even more.

Popular Felpro Air Intakes

You’ll find popular Felpro brand products across Intake Manifold Parts. All are waiting to get your 2004 Subaru Legacy back on the road. Some of the top-rated Felpro products in these categories are:
Engine Intake Manifold Gasket Set
from $19.99
(12)
Engine Intake Manifold Gasket Set
Intake Manifold Gasket Sets

Top-Rated Air Intakes


If are what you’re looking for, our inventory holds plenty. We stock brand Air Intakes for your 2004 Subaru Legacy, and some of our most reviewed parts include:
Fuel Injector Seal Kit
from $5.29
(14)
Fuel Injector Seal Kit
Carburetor and Injector Seal Kits

FAQs for 2004 Subaru Legacy Air Intakes

What are the most purchased Air Intakes for the 2004 Subaru Legacy?

Out of 8 Air Intakes for the 2004 Subaru Legacy, the most popular in our inventory are:
Ignition Coil Connector
from $28.99
(1)
Ignition Coil Connector
Throttle Position Sensor Connectors
Throttle Position Sensor
from $176.99
This product is not rated
Throttle Position Sensor
Throttle Position Sensors
Ishino Stone Intake Plenum Gasket
from $4.31
This product is not rated
Ishino Stone Intake Plenum Gasket
Intake Manifold Gasket Sets