2004 Subaru Legacy Engine Parts

Essential 2004 Subaru Legacy Engine Parts

Ishino – Crankshaft Seal (Part No.A8060322055ISH)

Crankshaft Seal

from

$15.70
Crankshaft Seal

Carquest Premium – Engine Crankshaft Position Sensor (Part No.CSA2394)

Engine Crankshaft Position Sensor

from

$304.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments, including thermal shock and vibration, with unparalleled reliability, durability, and accuracy.

Product Features:
  • Products are produced in ISO 14001 and IATF 16949 certified facilities to ensure the highest quality and consistency throughout the production process.
  • Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
  • Manufactured in an anti-static environment to ensure reliability and stability.
  • Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
  • Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
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Felpro – REAR MAIN BEARING SEAL SET (Part No.BS 40666)

REAR MAIN BEARING SEAL SET

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$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:
  • Application specific design to ensure a perfect fit
  • Meets or exceeds all original equipment specifications
  • Engineered and manufactured specifically for repair applications
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Ajusa – Ajusa Engine Gasket Set (Part No.A8000247902AJU)

Ajusa Engine Gasket Set

from

$370.54
WARNING: This item cannot be returned for a replacement or refund if opened! The Ajusa Engine Gasket Set 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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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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Victor Reinz – Engine Oil Cooler Seal (Part No.71-11467-00)

Engine Oil Cooler Seal

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$4.79
With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

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.
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Felpro – CYLINDER HEAD BOLT SET (Part No.ES 72463)

CYLINDER HEAD BOLT SET

from

$85.99
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
  • Avoid risk associated with re-use of T-T-Y (torque to yield) head bolts
  • Validated for fit, form and function
  • Unsurpassed quality you can trust
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Carquest Premium – Engine Variable Valve Timing (VVT) Sprocket (Part No.VVC1242)

Engine Variable Valve Timing (VVT) Sprocket

from

$236.99
The variable valve timing (VVT) system allows the engine control module (ECM) to regulate the intake and exhaust valve phase angle providing the most optimal engine volumetric efficiency under all engine operating condition to control tailpipe emissions and engine efficiency. Variable valve timing is an emission control device and although there are various methods of operation, the typical device is regulated by oil control valves, actuator solenoids and camshaft phasers.

Product Features:
  • Precision-wound coated copper windings increase product durability and life cycle.
  • Hard-coated and anodized spool valve to prevent corrosion and increase service life.
  • Threaded mounting bolt, hardware, and/or gaskets where applicable for easy installation.
  • Thermoplastic that is resistant to high temperatures, moisture, and chemicals.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure product reliability, every time.
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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Dayco – Timing Belt Kit; With Belts, Camhaft Belt Tensioner And 3 Idlers, 6 Piece Set (Part No.95304K1)

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

from

$259.99
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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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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Carquest Premium – Multi Purpose Relay (Part No.RAA1875)

Multi Purpose Relay

from

$42.99
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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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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Nippon Reinz – Oil Pan Gasket (Part No.A6130302482NRZ)

Oil Pan Gasket

from

$3.35
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. 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 sealant to seal the joint along the perimeter of the oil pan.
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Dorman – Help – Engine Oil Dipstick: Direct Replacement, Steel (Part No.917-446)

Engine Oil Dipstick: Direct Replacement, Steel

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$21.29
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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Spartan – Engine Long Block; Subaru 13-14 2.5L Engine (Part No.722B)

Engine Long Block; Subaru 13-14 2.5L Engine

from

$5516.99
Reman Engines are dismantled & assembled by the same process each time: All heads, blocks, cranks & cams are machined & wear parts are replaced. Each engine is tested after assembly for compression, oil pressure & sealed water jacket.

Product Features:
  • Each engine we remanufacture is essentially reverse engineered – in part to discover original factory deficiencies. If possible, our seasoned R&D personnel & QC experts make improvements. Why shouldn’t our engine last longer than your first?
  • Engines come with installation gasket set & oil pump unless noted otherwise. If we have important installation information it will be included on tags or in the paperwork packaged with your engine.
  • Engines are securely packaged in a recyclable container that will also protect your core on the return trip. Our nationwide warehouse network means speedy delivery.
  • Each engine is remanufactured with quality OE level components not “white” box generic parts that may or may not satisfy your needs and expectations. When you use the best you get the best results and satisfaction.
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Anchor – Engine Mount: Front Left, 1 Piece (Part No.9660)

Engine Mount: Front Left, 1 Piece

from

$70.99
The purpose of the mount is to support the engine and transmission on the chassis and dampen vibration and noise from reverberating to the rest of the vehicle. Engine and Transmission Mounts are engineered and manufactured to meet or exceed OEM specifications using the latest CAD/CAM engineering process to ensure superior quality, form, fit and function. Only premium quality materials are used in the manufacturing process to guarantee precise performance and maximum durability. Applicable to Applicable to SUBA 05-14;. Please verify your application.

Product Features:
  • MAXIMUM LIFE & PERFORMANCE: Both natural and SBR (Styrene Butadiene) rubber provide good abrasion resistance and aging stability to ensure maximum life and performance.
  • MEETS OR EXCEEDS DUROMETER MEASUREMENTS: All rubber material is manufactured to specific Durometer (hardness) measurements based on the vehicle’s application requirements.
  • HARDENED STEEL FASTENERS: All fasteners are made of hardened steel with heat treated Grade #5 bolts.
  • SUPERIOR BOND: A special Chemlock® bonding agent is used to ensure a superior rubber-to-metal bond.
  • HYDRAULIC MOUNT DESIGN: Hydraulic Mounts (applicable where OE) are designed for most front wheel drive vehicles because transverse drive train mounting.
  • For Years: 2005-2014
  • Weight approx: 3 Lbs
  • PART GROUP: 9660, 9709
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National – Shaft Repair Sleeve (Part No.99128)

Shaft Repair Sleeve

from

$41.99
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:
  • Designed to repair damaged, grooved or worn shafts
  • Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
  • Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
  • Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
  • Easy to install with removable flange and installation tool
  • Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
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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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Dorman – Timing Cover Bolt Kit (Part No.926-386)

Timing Cover Bolt Kit

from

$27.49
This engine timing cover bolt set is designed to match the fit and function of the factory bolt set on specified vehicles. The bolts are engineered to help secure the timing cover and replace rusted or missing factory bolts..

Product Features:
  • Direct replacement – the bolts in this engine timing cover bolt set are designed to match the fit and function of the factory bolts on specified vehicle makes, years and models.
  • Ideal solution – engineered to help secure the timing cover to the engine block or cylinder head and replace rusted or missing factory bolts
  • Durable construction – made of quality materials for reliable performance and long service life
  • 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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Dayco – Premium Timing Belt, 88.51 Inch With 281 Round Tooth (Part No.95277)

Premium Timing Belt, 88.51 Inch With 281 Round Tooth

from

$50.99
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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Imperial – Ultra-Cool Engine Oil Cooler Kit (Part No.240457)

Ultra-Cool Engine Oil Cooler Kit

from

$167.99
Product Features:
  • Size: 3/4 in. x 10 in. x 12-1/4 in.
  • Medium duty applications
  • All except Chevrolet V8 applications
  • Two-pass design for increased cooling
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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 (Part No.B2023719696DOR)

Engine Oil Separator

from

$35.10
Engine Oil Separator

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
See More

Carquest Premium – Engine Camshaft Position Sensor (Part No.CSA2316)

Engine Camshaft Position Sensor

from

$117.99
A leader in vehicle electronic solutions, each premium product meets or exceeds OE specifications in appearance, fit, and function, ensuring easy installation and excellent performance. The product has been tested under extreme environments, including thermal shock and vibration, with unparalleled reliability, durability, and accuracy.

Product Features:
  • Products are produced in ISO 14001 and IATF 16949 certified facilities to ensure the highest quality and consistency throughout the production process.
  • Reliable circuit board and product structure design, 3D proofing, and field test verification to ensure correct signal output at all speeds.
  • Manufactured in an anti-static environment to ensure reliability and stability.
  • Extreme temperature and salt spray tests simulate real-world vehicle conditions to ensure durability and reliability.
  • Providing this premium product line, we meet the service professionals needs with the highest quality product every time the part comes out of the box.
See More

Ishino – Timing Cover Grommet (Part No.A5070117634ISH)

Timing Cover Grommet

from

$3.02
Timing Cover Grommet

Felpro – VALVE COVER GASKET SET (Part No.VS 50620 R)

VALVE COVER GASKET SET

from

$51.99
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
  • ENGINEERED TO PERFORM — Proprietary cork-rubber formulation
  • SUPERIOR SEAL — Highly conformable to accommodate for the imperfect sealing surfaces
  • EVERY PART FOR THE REPAIR — Fel-Pro gasket sets include every part needed for the repair unless otherwise noted
  • REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
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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 26 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 726 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 Premium Timing Belt, 70.24 Inch With 223 Round Tooth with 4.2 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:
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 Accessories
Engine Camshaft Seal Kit
from $11.99
(13)
Engine Camshaft Seal Kit
Camshaft 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
Rear Main Seal Sets

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
“Good product.”
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”
Engine Oil Pan
from $69.99
(7)
Engine Oil Pan
“Good”