2004 Subaru Legacy Engine Parts

Essential 2004 Subaru Legacy Engine Parts

Felpro – Engine Crankshaft Seal (Part No.TCS 46009)

Engine Crankshaft Seal

from

$14.99
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:
  • 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
  • Includes all the parts necessary to complete the repair unless otherwise noted
  • Includes all the parts necessary to complete the repair unless otherwise noted
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Ajusa – Cylinder Head Bolt Set (Part No.81046800)

Cylinder Head Bolt Set

from

$71.99
AJUSA is a leading global manufacturer of automotive gaskets, head bolt sets, seals and hydraulic lifters for European and Asian vehicles. AJUSA prides itself in offering the latest applications with quality that is equal to or exceeds that of the OE. Headquartered in Spain, AJUSA was established in 1972 as a gasket manufacturer, is an OE supplier, is ISO 9001 and ISO/TS 16949 certified, and ISO 14001 certified as a company that protects and respects the environment.

Product Features:
  • AJUSA cylinder head bolts meet or exceed OE manufacturer specifications and are a perfect complement to AJUSA head sets and AJUSA head gaskets.
  • All kits are application specific.
  • Each set contains all the head bolts needed to complete the repair. V & H engines require 2 sets for a repair.
  • Each set comes with special assembly lube to ensure proper torque when tightening.
  • All kits are boxed and shrink wrapped.
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Imperial – Engine Oil Cooler (Part No.241040)

Engine Oil Cooler

from

$216.99
Product Features:
  • Imperial Swirl-Cool« engine oil cooler kit
  • Size: 1-1/2″ x 6-1/2″ x 18″
  • Heavy-duty applications
  • All except Chevrolet V8 applications
  • Universal Cooler, NOT a direct OE replacement. User to determine fitment prior to installation
  • Heavy duty applications
  • All except Chevrolet V8 applications
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Ishino Stone – Engine Gasket Set (Part No.A8000341641ISH)

Engine Gasket Set

from

$331.60
Engine Gasket Set

Sealed Power – Engine Connecting Rod Bearing (Part No.4775A)

Engine Connecting Rod Bearing

from

$28.99
Sealed Power« parts provide innovative designs, use leading edge materials and utilize ISO & QS certified manufacturing in order to deliver top quality products that meet the rigorous demands of today’s modern engines.

Product Features:
  • A-Series bi-metal aluminum alloy
  • Greater seizure resistance than tri-metal material
  • Dramatically reduces or eliminates bearing wear
  • Made with silicon to provide greater surface hardness
  • Silicon particles help polish crankshaft journal to further reduce wear during operation
  • Utilizes ISO & QS certified manufacturing
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Felpro – OIL COOLER GASKET MOUNTING SET (Part No.72493)

OIL COOLER GASKET MOUNTING SET

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 and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Includes all parts needed to complete the repair
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National – Multi Purpose Seal (Part No.710235)

Multi Purpose Seal

from

$17.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.

Product Features:
  • Low swell in hydrocarbon fluids
  • Design type: spring loaded; multi-lip
  • Provides good low temperature capability
  • Temperature range: -40°F to 225°F; -40°C to 107°C
  • Delivers quality and reliable performance for every type of repair
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NSK – Timing Belt Idler, Double Roller (Part No.A5291143770NSK)

Timing Belt Idler, Double Roller

from

$38.97
Timing Belt Idler, Double Roller

Dorman – Harmonic Balancer Assembly (Part No.594-166)

Harmonic Balancer Assembly

from

$118.99
This direct replacement harmonic balancer features a stress-resistant rubber bond to properly absorb engine vibration. Stringent standards help ensure excellent tensile and impact strength for greater durability.

Product Features:
  • Ideal replacement – this harmonic balancer assembly exactly matches the fit and function of the original harmonic balancer for a direct replacement
  • Durable construction – stringent specifications and careful construction help ensure longevity
  • Thoroughly tested – this harmonic balancer has undergone dimensional verification, material validation and functional testing
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Felpro – Engine Crankshaft Seal Kit (Part No.TCS 45919)

Engine Crankshaft Seal Kit

from

$16.29
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
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
  • Includes all the parts necessary to complete the repair unless otherwise noted
  • Includes all the parts necessary to complete the repair unless otherwise noted
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MAHLE Original – Oil Cooler Adapter To Block (Part No.B32074)

Oil Cooler Adapter To Block

from

$8.49
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
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • 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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Spectra Premium – Engine Oil Pan (Part No.SUP02A)

Engine Oil Pan

from

$69.99
Innovative engineering, manufacturing technology and quality control ensure that Spectra Premium oil pans meet or exceed the performance of the original equipment they replace.

Product Features:
  • Unit is designed to OE fit, form and function requirements accomplished by leveraging our OE expertise
  • Durable powder coating applied to exterior of oil pan for a long lasting rust free unit
  • Washed and then sealed with an anti-corrosive spray on the interior for a rust free unit at installation
  • Fit tested on the very same vehicle application for which it was developed verifying first-hand that the design fits properly and can be easily installed
  • Engineered to stringent tolerances based on our Canadian engineers’ in-depth knowledge of the OE part it’s designed to replace
  • Road tested to ensure real world performance and to verify that each design meets our high standards for quality
  • Coating salt spray tested for over 200 hours to insure durability
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Nippon Reinz – Nippon Reinz Valve Cover Gasket (Part No.A8030325619NRZ)

Nippon Reinz Valve Cover Gasket

from

$14.82
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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Dorman – Help – Engine Oil Dipstick: Direct Replacement, Steel (Part No.917-448)

Engine Oil Dipstick: Direct Replacement, Steel

from

$20.29
This engine oil dipstick is designed to match the fit and function of an original equipment dipstick in specified applications. Level marks are clearly distinguished and properly gauged for accuracy.

Product Features:
  • Ideal replacement – this engine oil dipstick is designed to match the fit and function of an original equipment dipstick in specified applications
  • Ideal solution – level marks are clearly distinguished and properly gauged for accuracy
  • Durable construction – designed and manufactured to strict specifications for reliable performance
  • Trustworthy quality – backed by a team of product experts in the United States and more than a century of automotive experience
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Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 72933-1)

Engine Valve Stem Oil Seal Set

from

$46.99
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:
  • RIGHT TYPE — Valve stem seals designs are application-specific for the repair occasion using either deflector (umbrella) seals, O-ring style or positive seals
  • QUALITY MATERIALS — Each valve stem seal features materials based on the specific application for your vehicle repair
  • ENGINEERING EXPERTISE — Parts are reviewed, validated and approved by Fel-Pro engineers through rigorous research, development and testing
  • INSTALLATION AID — Installation tool included to protect inner lip of seal from damage during seal installation
  • COVERAGE — Available for domestic and foreign nameplate vehicles
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Ishino Stone – Valve Cover Seal Washer (Part No.A8033104702ISH)

Valve Cover Seal Washer

from

$2.20
ISHINO STONE® – Ishino Corporation of Japan – has been manufacturing gaskets and seals 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 – Engine Variable Valve Timing (VVT) Sprocket (Part No.VVC1227)

Engine Variable Valve Timing (VVT) Sprocket

from

$252.99
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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Ishino Stone – Crankcase O-Ring (Part No.A1021344788ISH)

Crankcase O-Ring

from

$5.70
Crankcase O-Ring

Carquest Premium – Oil Filler Cap (Part No.10110)

Oil Filler Cap

from

$11.99
Manufactured from high quality components by an OE Supplier. Proper fit and sealing prevents oil loss. Designed to OEM specifications. High quality finish is designed to compliment the engine compartment appearance.

Product Features:
  • Provides proper seal to ensure leak prevention
  • Stops engine blow by
  • High quality construction
  • Meets all OEM specifications
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Nippon Reinz – Oil Filler Tube Seal (Part No.A6142117629NRZ)

Oil Filler Tube Seal

from

$2.51
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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Dayco – Premium Timing Belt, 88.51 Inch With 281 Round Tooth (Part No.95328)

Premium Timing Belt, 88.51 Inch With 281 Round Tooth

from

$85.99
Manufactured with tough, wear-resistant fabric, high-tensile strength cord and a molded tooth surface, the Dayco timing belt provides consistent slip-proof power transfer and high resistance to oil and engine heat. The belt features a molded cog design which runs quieter and is more economical and a premium, high modulus glass fiber cord that delivers precise length stability to keep the engine running smoothly over the life of the belt.

Product Features:
  • Designed for specific OHC and DOHC applications that range from normal service to high performance, high temperature engines
  • Offers noise reduction and minimum dimensional tolerances for precise valve timing
  • Engineered with reduced elongation for maximum durability, high abrasion resistance and better performance
  • Timing marks are applied on the belt for proper installation
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Dorman – Camshaft Position Sensor (Part No.907-847)

Camshaft Position Sensor

from

$53.99
Engine Camshaft Position Sensors are used by the engine control module to synchronize the pulsing of sequential fuel injectors so they match the firing order of the engine. Dorman Engine Crankshaft Position Sensors have undergone extensive vehicle try-on and durability testing to ensure strength, fitment and longevity.

Product Features:
  • Sensor electronics sealed to resist fluid damage and corrosion
  • Durable plastic construction
  • Manufactured to strict engineering quality standards
  • No special tools required
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Dayco – Timing Camshaft Belt Tensioner; 1 Piece, Built To Outperform And Outlast OE (Part No.85065)

Timing Camshaft Belt Tensioner; 1 Piece, Built To Outperform And Outlast OE

from

$196.99
Dayco offers a complete line of single-and double-eccentric mechanical camshaft belt tensioners. These tensioners are optimized for each application and consider specific driving behavior to ensure a lifetime of smooth operation.

Product Features:
  • Designed to keep the timing belt tightly in place for optimum performance
  • Made from OE quality materials to ensure smooth operation
  • Works with the timing belt to enhance system durability
  • Prevents belt flapping
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Dorman – Engine Oil Separator Cover (Part No.917-034)

Engine Oil Separator Cover

from

$26.49
This engine oil separator cover is designed to match the fit and function of the original cover on specified vehicles, and is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this engine oil separator cover is designed to match the fit and function of the original cover on specified vehicles
  • Restores functionality – this cover is made to fit and fully restore part functionality after the original cover fails
  • 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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Dayco – Timing Belt Kit; With Belts, Camhaft Belt Tensioner And 3 Idlers, 6 Piece Set (Part No.95307K1)

Timing Belt Kit; With Belts, Camhaft Belt Tensioner And 3 Idlers, 6 Piece Set

from

$364.99
Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco timing belt kits ensure parts accuracy, time savings and long-lasting performance. This kit is designed for the replacement of worn or damaged original equipment timing belts, tensioners and idler pulleys – each matched to a specific vehicle make and model.

Product Features:
  • Engineered for both domestic and import vehicle applications with a timing belt
  • All components needed for a complete timing belt replacement included in one box
  • Includes premium Dayco components and tough, wear-resistant belt
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Felpro – OIL PAN GASKET (Part No.OS 30877)

OIL PAN GASKET

from

$30.49
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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Ishino – Timing Cover Grommet (Part No.A5070117634ISH)

Timing Cover Grommet

from

$3.02
Timing Cover Grommet

Felpro – CIRCULAR PLUG (Part No.ES 72418)

CIRCULAR PLUG

from

$7.79
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
  • Unsurpassed quality you can trust
  • Validated for fit, form and function
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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2004 Subaru Legacy Engine Parts

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 Engine Parts. With 89 Engine Parts ranging in price from $2.01 to $3,879.99, you’re sure to find everything you need for your 2004 Subaru Legacy.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 29 different brands like Felpro, Carquest Premium, and Dayco. 2004 Subaru Legacy Engine Parts start as low as $2.01!

One of the best ways to find top quality OEM or aftermarket Engine Parts is by asking professionals. Short of that, you can shop with confidence thanks to our 1,158 extensive product reviews on 2004 Subaru Legacy Engine Parts. Some of the top-rated Engine Parts products we carry are Multi Purpose Seal with 4.4 stars and Engine Camshaft Seal Kit with 4.3 stars.

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

Top-Rated Engine Parts Brands For Your 2004 Subaru Legacy

Trusted Engine Parts 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 Felpro, Carquest Premium, Dayco, and even more.

Popular MAHLE Original Engine Parts

You’ll find popular MAHLE Original brand products across Oil Cooler Parts. All are waiting to get your 2004 Subaru Legacy back on the road. Some of the top-rated MAHLE Original products in these categories are:
Oil Cooler Adapter To Block
from $8.49
(2)
Oil Cooler Adapter To Block
Engine Oil Cooler Accessories

Top-Rated Felpro Engine Parts


If Felpro are what you’re looking for, our inventory holds plenty. We stock Felpro brand Engine Parts for your 2004 Subaru Legacy, and some of our most reviewed Felpro parts include:
Fuel Injector O-Ring Kit
from $7.49
(109)
Fuel Injector O-Ring Kit
O-Rings
VALVE COVER GASKET SET
from $51.99
(41)
VALVE COVER GASKET SET
Valve Cover Gaskets
OIL COOLER GASKET MOUNTING SET
from $5.49
(22)
OIL COOLER GASKET MOUNTING SET
Engine Oil Cooler Seals

FAQs for 2004 Subaru Legacy Engine Parts

What are the most purchased Engine Parts for the 2004 Subaru Legacy?

Out of 89 Engine Parts for the 2004 Subaru Legacy, the most popular in our inventory are:
Oil Pan Gasket Set: Cork-Rubber, 3 Piece Set
from $9.49
(9)
Oil Pan Gasket Set: Cork-Rubber, 3 Piece Set
Oil Pan Gaskets
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
from $72.99
(13)
Cylinder Head Gasket: Multi-Layered Steel, Without Head Bolts
Cylinder Head Gaskets
REAR MAIN BEARING SEAL SET
from $19.99
(5)
REAR MAIN BEARING SEAL SET
Crankshaft Seals

What are the top-rated 2004 Subaru Legacy Engine Parts?

Top-rated Engine Parts for your 2004 Subaru Legacy based on customer reviews/ratings are:
Multi Purpose Seal
from $8.29
(20)
Multi Purpose Seal
“worked great”
Engine Camshaft Seal Kit
from $11.99
(13)
Engine Camshaft Seal Kit
“Seals look and feel like originals.”
Premium Timing Belt, 70.24 Inch With 223 Round Tooth
from $71.99
(9)
Premium Timing Belt, 70.24 Inch With 223 Round Tooth
“Work great”