2003 Subaru Impreza Engine Parts

Essential 2003 Subaru Impreza Engine Parts

NOK – Crankshaft Seal, OEM (Part No.A8060104473NOK)

Crankshaft Seal, OEM

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$15.08
Crankshaft Seal, OEM

Felpro – OIL PAN GASKET (Part No.OS 30877)

OIL PAN GASKET

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$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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Original Equipment – Engine Gasket Set (Part No.A8000117671OEA)

Engine Gasket Set

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$296.11
Engine Gasket Set

Dorman – Turbocharger Coolant Inlet Hose (Part No.904-389)

Turbocharger Coolant Inlet Hose

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$11.99
This turbocharger coolant line is designed to match the fit and function of the original line on specified vehicles. Made of quality materials, it is engineered for reliable performance and durability..

Product Features:
  • Direct replacement – this turbocharger coolant line is designed to match the fit and function of the original line on specified vehicles.
  • Ideal solution – this coolant line is a reliable replacement for a leaking or failed original line
  • Durable construction – made from quality components to ensure reliable performance and long service life
  • Quality assured – backed by a team of product engineers based in the United States
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Ishino – Timing Cover Gasket (Part No.A8050325620ISH)

Timing Cover Gasket

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$16.61
Timing Cover Gasket

Mahle – CLEVITE Main Bearing Set (Part No.A2010248848MAH)

CLEVITE Main Bearing Set

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$94.10
Clevite is the number one name in replacement engine bearings, delivering on the track and in machine shops around the country. As more and more OE manufacturers shift to aluminum bearings in OE engines, Clevite has introduced a new line of engine bearings designed to be the highest quality replacement bearings in the industry. Clevite BiMetal engine bearings carry on the tradition and reputation that Clevite has built throughout the course of time. Clevite BiMetal engine bearings feature a 100% lead free aluminum silicon bi-metal material, which includes 60% more silicon than the leading competitor’s bi-metal material for better conditioning of journal surfaces. These BiMetal bearings also offer greater wear resistance than the leading competitor’s bi-metal material, as well as greater seizure resistance. Clevite BiMetal bearings feature 100% bored ID’s for precision and surface characteristics and where appropriate – straight shell main bearings utilizing an umbrella groove that allows for superior oil control and improved pressure.

Product Features:
  • Original Equipment Manufacturer
  • Maximum Load-Bearing Capacity
  • Fatigue-Resistant, adaptable
  • Resistant to Wear and Corrosion
  • Advanced Surface Coatings
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Felpro – CIRCULAR PLUG (Part No.ES 72418)

CIRCULAR PLUG

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

VALVE COVER GASKET SET

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$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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Imperial – Engine Oil Cooler (Part No.241040)

Engine Oil Cooler

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$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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Dayco – Timing Water Pump Kit; With Pump, Belt, Actuator, Tensioner And 3 Idlers (Part No.WP304K1C)

Timing Water Pump Kit; With Pump, Belt, Actuator, Tensioner And 3 Idlers

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$401.99
Demanded by today’s OEMs and manufactured to meet critical fit, form and function requirements, Dayco’s timing belt kits with water pump 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, idler pulleys and water pumps – each matched to a specific vehicle make and model. In addition, the water pump features superior gaskets that retain bolt torque, a roller bearing hub and composite seals to prevent leaks.

Product Features:
  • Engineered for both domestic and import vehicle applications with a timing belt
  • Includes premium Dayco components and a tough, wear-resistant belt
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Dayco – Timing Component Kit; With Tensioner And 3 Camshaft Belt Idlers, 5 Piece Set (Part No.84105)

Timing Component Kit; With Tensioner And 3 Camshaft Belt Idlers, 5 Piece Set

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$256.99
Manufactured to meet critical OE quality fit, form and function requirements demanded by today’s vehicle manufacturers, Dayco’s timing component kit ensures long lasting peak performance. This kit is designed to replace worn or damaged original equipment timing belts, tensioners and idler pulleys. It includes pre-packaged tensioners, idler pulleys and instructions – each matched to a specific make, model and vehicle year.

Product Features:
  • Engineered for the majority of 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 a tough, wear-resistant belt
  • Meets or exceeds OE quality
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Felpro – REAR MAIN BEARING SEAL SET (Part No.BS 40666)

REAR MAIN BEARING SEAL 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:
  • 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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Dayco – Premium Timing Belt, 70.24 Inch With 223 Round Tooth (Part No.95304)

Premium Timing Belt, 70.24 Inch With 223 Round Tooth

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$67.99
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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Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 72814)

Engine Valve Stem Oil Seal Set

from

$27.49
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:
  • 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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Dorman – Engine Oil Separator (Part No.B2023719696DOR)

Engine Oil Separator

from

$35.10
Engine Oil Separator

Dorman – Engine Oil Pan: Direct Fit, Steel, Rear Sump (Part No.264-364)

Engine Oil Pan: Direct Fit, Steel, Rear Sump

from

$73.99
Oil pan leaking? This engine oil pan is precision-engineered to match the original equipment pan on specific vehicle years, makes and models for a reliable replacement.

Product Features:
  • Direct replacement – this engine oil pan is made to match the original pan on specific vehicles
  • Complete assembly – includes replacement pan and drain plugs to match original components
  • Durable design – high-strength coating prevents future corrosion
  • Trustworthy value – backed by team of engineers and quality control experts in the United States
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National – Shaft Repair Sleeve (Part No.99128)

Shaft Repair Sleeve

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$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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Cardone – Turbocharger (Part No.2T-841)

Turbocharger

from

$975.99
CARDONE remanufactured Turbochargers are available for a vast array of automotive applications to meet the growing demand for maximum vehicle performance with optimal fuel efficiency. Every CARDONE turbocharger has been designed and tested to guarantee O.E. fit and performance. CARDONE is committed to getting your vehicle back on the road and back to peak performance with these remanufactured, direct-replacement turbochargers.

Product Features:
  • All wheels, shafts and corresponding bores are measured and controlled with specific go/no-go tolerances and renewed or replaced as needed to ensure trouble-free operation.
  • Each unit is 100% disassembled and thoroughly cleaned using proprietary processes and dedicated specialized equipment.
  • All components are inspected to exact standards, and renewed as appropriate to ensure that problematic areas that typically cause failure are renewed to the highest quality standards.
  • 100% of rotating, journal, and thrust bearings and seals are replaced, and all mating surfaces/passages are renewed as required for a longer-lasting unit.
  • Each unit comes with a pre-lube syringe to ensure product protection during installation.
  • 100% dynamic balancing of compressor wheels, turbine shaft/wheel assemblies and complete rotating assembly guarantees proper operation and extends unit life.
  • All units come with the required gaskets and mounting hardware for easy installation.
  • Meets or exceeds O.E. performance.
  • Comes with a pre-lube syringe to ensure product protection during installation.
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Nippon Reinz – Nippon Reinz Cam Plug (Part No.A8031259668NRZ)

Nippon Reinz Cam Plug

from

$4.93
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
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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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MAHLE Original – Turbo Mounting Set (Part No.GS33536)

Turbo Mounting Set

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$46.99
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
  • 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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SKF – Timing Belt Tension Adjuster (Part No.A533038927SKF)

Timing Belt Tension Adjuster

from

$171.60
Hydraulic Automatic Timing Belt Tensioner – This is the automatic tension adjuster. Tensioner bearing and pulley are not included (order separately). The SKF Automatic Timing Belt Tension Adjuster is a direct fit OEM replacement that contains the same high quality craftsmanship and materials as the original equipment it replaces.

Product Features:
  • OE-Equivalent and a direct fit application
  • Automatic tensioner adjuster for timing belt systems
  • Does not include roller, bearing and brackets
  • Durable long life performance
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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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Nippon Reinz – Spark Plug tube Seal (Part No.A8027177121NRZ)

Spark Plug tube Seal

from

$6.30
Nippon Reinz Spark Plug tube Seal withstands high and low temperatures to provide a reliable seal with minimal tightening. Spark Plug tube Seals are increasingly produced with profiles and not flat; that is, the gasket surface is provided with beads or lips. Now, instead of the entire gasket surface, only the profile needs to be pressed, that is, the sealing bead or sealing lip, and just a slight amount of bolting force produces sufficient deformation and adaptation.

Product Features:
  • Stays cool at temperature up to 1800F
  • Designed to seal minor surface irregularities
  • No re-torque required
  • Teflon® coating optional
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Ishino – Stone Cam Plug (Part No.A8031104697ISH)

Stone Cam Plug

from

$5.36
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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Nippon Reinz – Cylinder Head Gasket (Part No.A8100131645NRZ)

Cylinder Head Gasket

from

$41.89
Nippon Reinz does not just cut gaskets – it designs total system sealing approaches that utilize application engineering. This means that regardless of what application you are trying to seal, you can count on Nippon Reinz doing the research and testing to provide the optimum material and technology for that specific application – this systems sealing approach requires a variety of materials. No other gasket manufacturer offers the Application Engineered approach to sealing an engine. A variety of different gasket materials insure an engine gets the optimal seal. All gaskets are not created equal – Nippon Reinz gaskets prove it every day.

Product Features:
  • Original equipment design and quality
  • Head sets give you original equipment form, fit, and function
  • Utilizes OE equivalent or better materials in all head sets
  • Packaged in shrink wrapped tray
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Ishino – Stone Cylinder Head Gasket (Part No.A8100173319ISH)

Stone Cylinder Head Gasket

from

$61.08
ISHINO STONE® – Corteco Ishino Corporation of Japan – has been manufacturing gaskets since 1932 and tier-1 OEM supplier to Toyota, Honda and other Japanese auto manufacturers. The Corteco Ishino solution is to supply gaskets featuring a combination of different metals with 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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Victor Reinz – Engine Cylinder Head Gasket (Part No.61-53940-00)

Engine Cylinder Head Gasket

from

$32.99
For secure, lasting macro and micro sealing, and protection against fuel, oil, water, and anti-freeze, Victor Reinz cylinder head gaskets deliver optimal service. Victor Reinz gaskets deliver OE proven strength and resistance to extreme temperatures and high-combustion pressures, and Victor Reinz engineers choose the most effective materials and designs from the global resources of Dana Incorporated.

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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2003 Subaru Impreza Engine Parts

You count on your 2003 Subaru Impreza 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 137 Engine Parts ranging in price from $2.01 to $3,879.99, you’re sure to find everything you need for your 2003 Subaru Impreza.

Brands matter. If you want to shop a specific Engine Parts brand, we stock 34 different brands like Felpro, Dayco, and Carquest Premium. 2003 Subaru Impreza 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 610 extensive product reviews on 2003 Subaru Impreza Engine Parts. Some of the top-rated Engine Parts products we carry are Multi Purpose Seal with 4.4 stars and Timing Water Pump Kit; With Pump, Belt, Actuator, Tensioner And 3 Idlers with 4.1 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 2003 Subaru Impreza below to get started!

Top-Rated Engine Parts Brands For Your 2003 Subaru Impreza

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 2003 Subaru Impreza running right for years to come. In our inventory you’ll find brands like Felpro, Dayco, Carquest Premium, and even more.

Popular MAHLE Original Engine Parts

You’ll find popular MAHLE Original brand products across Turbochargers and Oil Cooler Parts. All are waiting to get your 2003 Subaru Impreza back on the road. Some of the top-rated MAHLE Original products in these categories are:
Turbocharger Gasket
from $22.99
(2)
Turbocharger Gasket
Turbocharger Gaskets
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 2003 Subaru Impreza, 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 2003 Subaru Impreza Engine Parts

What are the most purchased Engine Parts for the 2003 Subaru Impreza?

Out of 137 Engine Parts for the 2003 Subaru Impreza, 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 2003 Subaru Impreza Engine Parts?

Top-rated Engine Parts for your 2003 Subaru Impreza based on customer reviews/ratings are:
Multi Purpose Seal
from $8.29
(20)
Multi Purpose Seal
“Good product.”
Engine Oil Pan
from $69.99
(7)
Engine Oil Pan
“Good”