Subaru WRX STI Engine Parts

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Essential Subaru WRX STI Engine Parts

Carquest Premium – Engine Water Pump: New, Gasket/Seals Included (Part No.T2268)

Engine Water Pump: New, Gasket/Seals Included

from

$111.99
This premium water pump uses new high-quality components and is designed to meet or exceed OE specifications. This pump is 100% tested to ensure quality. Bearings, gaskets, seals, impeller, hub and housing are all designed for long-lasting service life. All necessary gaskets and seals are included.

Product Features:
  • 100% tested for reliable performance
  • Durable housing features precisely machined mounting surface for proper sealing and fitment
  • Equipped with weep chamber or similar feature to help prevent unnecessary replacement
  • Included heavy-duty unitized bearings, pressed-on hubs and optimal impeller clearance for a long-lasting water pump
  • All gaskets or seals necessary for water pump are included
  • This pump is driven by the accessory belt and we recommend replacement if nearing service recommendation
  • This pump is driven by the timing chain; see vehicle manufacturer recommendation for replacement of timing components
  • This pump is driven by the timing belt; see vehicle manufacturer recommendation for replacement of timing components
  • Additional Notes: Includes gasket
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Carquest Premium – Oil Filler Cap (Part No.10110)

Oil Filler Cap

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$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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Felpro – PermaTorque Engine Cylinder Head Gasket Set (Part No.HS 26531 PT)

PermaTorque Engine Cylinder Head Gasket Set

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$196.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • PROPRIETARY COATING – Exclusive coating helps withstand rougher sealing surface finishes up to 80 Ra
  • SUPERIOR SEAL – Precise embossed sealing beads at all vital areas to eliminate leak paths
  • MULTI-LAYERED STEEL CONSTRUCTION – Multiple layers of stainless steel maintain sealing stress and accommodate head lift
  • UNIQUE COMBUSTION SEAL – Accommodates high cylinder pressures and head movement encountered with engines
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Delphi – Engine Camshaft Position Sensor (Part No.SS10815)

Engine Camshaft Position Sensor

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$68.99
Delphi’s ever growing portfolio of high quality vehicle sensors are backed by stringent OE development and product validation methods. We offer a wide range of sensors, including ABS, camshaft, crankshaft, knock, EGT, MAP, temperature, throttle position, and vehicle speed sensors for a variety of vehicle applications. All of our sensors are tested and calibrated to OE standards, ensuring accurate readings, which helps to reduce comebacks.

Product Features:
  • The sensors provide accurate readings from the gap between sensor contact and element due to its design
  • Manufactured to meet or exceed OE requirements
  • Enhanced sensing functionality helps reduce emissions, improve reliability and drivability
  • Not impacted by temperature changes and provide robust, long-lasting sensor protection
  • Designed digital output for maximum signal to noise ratio
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National – Multi-Purpose Seal (Part No.710235)

Multi-Purpose Seal

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$18.99
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:
  • Design type: spring loaded; multi-lip
  • Temperature range: -80 Deg. F to 350 Deg. F / -62 Deg. C to 176 Deg. C
  • Good dry heat resistance
  • Excellent low temperature capability
  • Delivers quality and reliable performance for every type of repair
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DENSO – Relay (Part No.567-0003)

Relay

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$20.99
Relay

Product Features:
  • Lifecycle lasts up to 10 times longer than the competitor’s
  • Flux free micro arc welding versus competitors that solder
  • High conductive material that does not corrode
  • Shortest path for the electrical current improves efficiency
  • Offered by world’s largest relay manufacturer
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Felpro – Engine Camshaft Seal Kit (Part No.TCS 46140)

Engine Camshaft Seal Kit

from

$20.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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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Whiteline – Engine Pitch Mount Bushing Kit (Part No.W92832)

Engine Pitch Mount Bushing Kit

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$24.99
Billet 6061-T6 aluminum pitch stop mounting is built to handle the demands of high torque and power output engines by limiting the amount of movement the engine and drivetrain will place upon the pitch stop. Utilising low compliance bushing technology this eliminates the slop, twisting and shudder found in the OEM rubber bushings allowing for a faster, positive, responsive feel of power delivery on and off the throttle.

Product Features:
  • Protective plating on all metal components acts as a hard skin that is much tougher than conventional paint allowing this product to withstand the toughest conditions and resist corrosion for years to come.
  • Whiteline’s latest technology synthetic elastomer formulation boasts resistance to oil, grease, ozone and weathering.
  • Designed with the installer in mind by reducing the need of specialised skills, tools and equipment.
  • Inserts are designed to work with the original factory bushing rather than replacing it.
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Carquest Premium – Engine Variable Valve Timing (VVT) Solenoid (Part No.VVA1137)

Engine Variable Valve Timing (VVT) Solenoid

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$156.99
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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Victor Reinz – Engine Oil Cooler Seal (Part No.71-11467-00)

Engine Oil Cooler Seal

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$4.99
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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Driveworks – Oil Pump Seal (Part No.S-710236)

Oil Pump Seal

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$2.79
Product Features:
  • Brand may vary by location
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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 – Turbocharger Coolant Inlet Hose (Part No.904-389)

Turbocharger Coolant Inlet Hose

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$12.49
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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Rotomaster – Rotomaster (Part No.J8550102R)

Rotomaster

from

$783.99
Rotomaster Remanufactured Turbochargers are built to meet Original Equipment (OE) standards for fit, function, and performance across a wide range of vehicles. Each turbocharger is fully disassembled, meticulously inspected, and thoroughly cleaned to restore like-new performance. It then undergoes Triple Balance Processing, a vital step that ensures precise calibration for smooth, reliable operation, meeting the same rigorous standards as a new turbocharger. This thorough process guarantees consistent power, enhanced fuel efficiency, and long-lasting durability, making Rotomaster reman turbochargers a trusted and reliable choice for vehicle owners. As specialists in turbochargers, Rotomaster brings superior expertise to every unit. Their on-call technical support team is ready to help with installation, troubleshooting, and product selection so you can stay up and running with confidence. Protected by an industry-leading warranty for your peace of mind.

Product Features:
  • Full Component Replacement: 100% of rotating, journal, and thrust bearings, as well as seals, are replaced. All mating surfaces and internal passages are renewed.
  • Thorough Inspection: Each component is inspected to strict OE-level standards. Guarantees that every turbocharger meets high-quality standards for optimal performance and reliability.
  • Built to Fit Right: All wheels, shafts, and bores are accurately measured renewed or replaced. Ensures smooth, reliable operation for maximum efficiency for all environments.
  • Built to OE Spec: Each remanufactured turbocharger is built to match original equipment specifications. Provides a precise fit and seamless installation, reducing installation time and effort.
  • Installation Ready: Each turbocharger comes complete with a pre-lube syringe to protect internal components during initial start-up, promoting a smoother, safer installation.
  • Specialized Cleaning: Fully disassembled and cleaned using advanced equipment and processes. Restores like-new performance and reliability, ensuring consistent operation over time.
  • Our remanufacturing process is earth-friendly, as it reduces the energy and raw material needed to make a new part by 80%.
  • Meets or exceeds O.E. performance.
  • Comes with a pre-lube syringe to ensure product protection during installation.
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Felpro – Engine Crankshaft Seal (Part No.TCS 46009)

Engine Crankshaft Seal

from

$15.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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
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Felpro – Engine Oil Cooler Seal (Part No.72493)

Engine Oil Cooler Seal

from

$6.49
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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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Dorman – Help – Engine Oil Dipstick: Direct Replacement, Stainless Steel (Part No.917-390)

Engine Oil Dipstick: Direct Replacement, Stainless Steel

from

$22.99
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 – PermaTorque Engine Cylinder Head Gasket (Part No.26531 PT)

PermaTorque Engine Cylinder Head Gasket

from

$57.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

Product Features:
  • PROPRIETARY COATING – Exclusive coating helps withstand rougher sealing surface finishes up to 80 Ra
  • UNIQUE COMBUSTION SEAL – Exclusive Laser Weld stopper layer technology reduces gasket damage from blow out and helps ensure a stronger combustion seal
  • MULTI-LAYERED STEEL CONSTRUCTION – Multiple layers of stainless steel maintain sealing stress and accommodate head lift
  • SUPERIOR SEAL – Precise embossed sealing beads at all vital areas to eliminate leak paths
  • HANDLES EXTREME ENGINE CONDITIONS – Engineered and manufactured to inhibit over-compression of embossments to maintain a superior seal under peak combustion pressures and temperatures
  • DESIGNED FOR IMPERFECT SEALING SURFACES – Engineered and manufactured specifically for the repair environment to help seal imperfect sealing surfaces
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Felpro – Engine Valve Stem Oil Seal Set (Part No.SS 72814)

Engine Valve Stem Oil Seal Set

from

$28.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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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PowerBond – Premium OEM Replacement Harmonic Balancer; 133mm Diameter (Part No.PB1165N)

Premium OEM Replacement Harmonic Balancer; 133mm Diameter

from

$83.99
For use on the most popular passenger car, light commercial and four-wheel drive applications, Dayco harmonic balancers use special rubber compounds to dampen and remove engine harmonics and add to engine performance. Manufactured using a premium ductile iron casting and injection bonded dampening rubber, Dayco harmonic balancers offer engine builders and technicians the highest quality replacement to standard OEM balancers, which are typically made with press inserted dampening rubber. Dayco balancers utilize both inserted and pressure-bonded rubber to provide superior bonding strength between the inner and outer balancer rings, helping minimize spin and dislocation.

Product Features:
  • Designed as premium OEM replacement balancers for serpentine and V-belt drives
  • Manufactured with ductile iron casting and injection bonded dampening rubber
  • Engineered to offer superior bonding strength between the balancer rings
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Felpro – Multi-Purpose O-Ring (Part No.71857)

Multi-Purpose O-Ring

from

$4.99
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
  • Design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
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Dorman – Engine Oil Pan: Direct Fit, Steel, Sump (Part No.264-364)

Engine Oil Pan: Direct Fit, Steel, Sump

from

$73.99
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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Felpro – CIRCULAR PLUG (Part No.ES 72418)

CIRCULAR PLUG

from

$8.99
Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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

Ultra-Cool Engine Oil Cooler Kit

from

$191.99
Our products are engineered and tested to provide years of trouble free operation. Backed by over 50 years of mobile a/c experience, fix it once and fix it right with Imperial.

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
  • 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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Victor Reinz – Engine Oil Pan Gasket Set (Part No.71-52946-00)

Engine Oil Pan Gasket Set

from

$11.99
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.
  • Cork rubber construction
  • Compliant to a wide range of surface conditions
  • Dana engineering-approved for fit, form and function
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Helping You Find the Right Engine Parts for Your Subaru WRX STI

You love your WRX STI. So we’ve made it easier than ever to help you find Subaru WRX STI Engine Parts in our online catalog. Our inventory holds 57 aftermarket and OEM Engine Parts for your Subaru WRX STI, ranging from $2.79 to $783.99.

We offer parts from 17 brands trusted to make quality Engine Parts for your Subaru WRX STI. Before you buy, take some time to read through customer reviews. We currently have 1,176 reviews of Subaru WRX STI Engine Parts from previous customers. Some of the top rated parts include Engine Oil Pan: Direct Fit, Steel, Sump with 4.5 stars and Multi Purpose Seal with 4.4 stars.

Find your WRX STI Engine Parts here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Subaru WRX STI part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Engine Parts Brands for Your Subaru WRX STI

Our inventory holds Engine Parts for your Subaru WRX STI from 17 trusted brands. You’ll find OEM and aftermarket parts from brands like Felpro, Carquest Premium, and Dorman, all of which can keep that Subaru happy.

FAQs for Subaru WRX STI Engine Parts

What are the most purchased Engine Parts for the Subaru WRX STI?

Out of 57 Engine Parts for the Subaru WRX STI, the most popular in our inventory are:
REAR MAIN BEARING SEAL SET
from $20.99
(5)
REAR MAIN BEARING SEAL SET
Rear Main Seal Sets
Crankshaft Sensor
from $36.99
This product is not rated
Crankshaft Sensor
Crankshaft Position Sensors
VALVE COVER GASKET SET
from $52.99
(2)
VALVE COVER GASKET SET
Valve Cover Gaskets

What are the top-rated Subaru WRX STI Engine Parts?

Top-rated Engine Parts for your Subaru WRX STI based on customer reviews/ratings are:
Engine Oil Pan: Direct Fit, Steel, Sump
from $73.99
(22)
Engine Oil Pan: Direct Fit, Steel, Sump
“great deal”
Multi Purpose Seal
from $5.99
(20)
Multi Purpose Seal
“worked great”
Harmonic Balancer Assembly
from $134.99
(2)
Harmonic Balancer Assembly
“Perfect fit and included a new key. Would have been nice to know the key came with it ahead of time so I wouldn’t have gone to the Subaru dealer to g”