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2015-2021 Subaru WRX Engine Parts

IAG Gold Revolve Engine Bay Dress-Up Cap Kit 2015-2021 WRX

$199.99
$199.99 - $199.99
$199.99
$199.99 - $199.99

TRANSFORM YOUR ENGINE BAY Get rid of the dull yellow plastic under your Subaru’s hood and upgrade your engine bay with the IAG Revolve Engine...

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IAG Blue Revolve Engine Bay Dress-Up Cap Kit 2015-2021 WRX

$199.99
$199.99 - $199.99
$199.99
$199.99 - $199.99

TRANSFORM YOUR ENGINE BAY Get rid of the dull yellow plastic under your Subaru’s hood and upgrade your engine bay with the IAG Revolve Engine...

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IAG Black Revolve Engine Bay Dress-Up Cap Kit 2015-2021 WRX

$199.99
$199.99 - $199.99
$199.99
$199.99 - $199.99

TRANSFORM YOUR ENGINE BAY Get rid of the dull yellow plastic under your Subaru’s hood and upgrade your engine bay with the IAG Revolve Engine...

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IAG Red Revolve Engine Bay Dress-Up Cap Kit 2015-2021 WRX

$199.99
$199.99 - $199.99
$199.99
$199.99 - $199.99

TRANSFORM YOUR ENGINE BAY Get rid of the dull yellow plastic under your Subaru’s hood and upgrade your engine bay with the IAG Revolve Engine...

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IAG Silver Revolve Engine Bay Dress-Up Cap Kit 2015-2021 WRX

$199.99
$199.99 - $199.99
$199.99
$199.99 - $199.99

TRANSFORM YOUR ENGINE BAY Get rid of the dull yellow plastic under your Subaru’s hood and upgrade your engine bay with the IAG Revolve Engine...

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IAG Performance Equal Length Header 2015-2021 WRX

$849.99
$849.99 - $849.99
$849.99
$849.99 - $849.99

THE IAG PERFORMANCE EQUAL LENGTH HEADER The IAG Performance Equal Length Header is the perfect upgrade to boost the performance and power in ...

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IAG Race Series Pitch Stop Mount 2002-2026 WRX / 2004-2021 STI

$124.99
$124.99 - $124.99
$124.99
$124.99 - $124.99

NO MORE DRIVETRAIN SLOP The IAG Race Series Pitch Stop Mount offers a solid solution for reducing engine and transmission movement under hard...

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IAG Black Competition Series Pitch Stop Mount 2002-2026 WRX / 2004-2021 STI

$124.99
$124.99 - $124.99
$124.99
$124.99 - $124.99

NO MORE DRIVETRAIN SLOP The IAG Competition Series Pitch Stop Mount offers a solid solution for reducing engine and transmission movement und...

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OVERTAKE Aluminum BIG TURBO Inlet 2015-2021 WRX

$280.00
$280.00 - $280.00
$280.00
$280.00 - $280.00

Stronger, Smoother, 5-10HP+ | Big Aftermarket Turbo Ready Ditch your WRX’s weak plastic turbo inlet and upgrade to the Overtake Aluminum BIG TURBO ...

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OVERTAKE Pitch Stop Mount Race Version 2002-2026 WRX / 2004-2021 STI

$99.00
$99.00 - $99.00
$99.00
$99.00 - $99.00

Overtake Billet Aluminum Pitch Stop Mount | RACE VERSION Upgrade your Subaru's engine stability with the OVERTAKE Billet Aluminum Race Pitch Stop M...

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Mishimoto Liquid Chill Synthetic Engine Coolant Full Strength

$82.95
$82.95 - $82.95
$82.95
$91.00
$91.00 - $91.00
$91.00

DESCRIPTION: Liquid Chill Synthetic Engine Coolant technology combines an inherently nontoxic propylene glycol base with unique poly organic addit...

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Mishimoto Liquid Chill Radiator Coolant Additive

$20.95
$20.95 - $20.95
$20.95
$23.00
$23.00 - $23.00
$23.00

DESCRIPTION: Mishimoto Liquid Chill® radiator coolant additive is a simple yet effective way to reduce engine temperatures. This additive is compa...

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GrimmSpeed Head Gasket Set 2015-2021 WRX

$199.00 - $209.00
$199.00 - $209.00
$199.00
$199.00 - $209.00

DESCRIPTION Feature-packed, these gaskets are a perfect fit for any engine build, from basic refresh to a high horsepower track monster. The GrimmS...

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GrimmSpeed Gold V2 Bolt Oil Cap 2002-2026 WRX / 2004-2021 STI

$59.00
$59.00 - $59.00
$59.00
$59.00 - $59.00

DESCRIPTION It’s inevitable, you’ll eventually want to replace your OEM Subaru oil cap. Whether it's leaking, worn out, or just an eyesore, the Gri...

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Mishimoto Baffled Oil Catch Can System 2015-2016 WRX

$543.95
$543.95 - $543.95
$543.95
$598.00
$598.00 - $598.00
$598.00

DESCRIPTION The Mishimoto Baffled Oil Catch Can System for 2015-2016 Subaru WRX is engineered to reduce carbon buildup in FA20-DIT engines, a commo...

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Mishimoto Titanium Turbo Blanket 2015-2021 WRX

$159.95
$159.95 - $159.95
$159.95
$176.00
$176.00 - $176.00
$176.00

DESCRIPTION The Mishimoto Turbo Blanket for the 2015-2021 Subaru WRX is an essential upgrade to reduce engine bay heat and enhance turbo efficiency...

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Mishimoto Red Charge Pipe Kit 2015-2021 WRX

$319.95
$319.95 - $319.95
$319.95
$352.00
$352.00 - $352.00
$352.00

DESCRIPTION Looking for a way to improve spool-up, increase power potential, and improve engine bay aesthetics? Mishimoto has you covered with thei...

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Mishimoto Black Charge Pipe Kit 2015-2021 WRX

$319.95
$319.95 - $319.95
$319.95
$352.00
$352.00 - $352.00
$352.00

DESCRIPTION Looking for a way to improve spool-up, increase power potential, and improve engine bay aesthetics? Mishimoto has you covered with thei...

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Mishimoto Polished Charge Pipe Kit 2015-2021 WRX

$319.95
$319.95 - $319.95
$319.95
$352.00
$352.00 - $352.00
$352.00

DESCRIPTION Looking for a way to improve spool-up, increase power potential, and improve engine bay aesthetics? Mishimoto has you covered with thei...

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Mishimoto Black Street Performance Top Mount Intercooler 2015-2021 WRX

$665.95
$665.95 - $665.95
$665.95
$733.00
$733.00 - $733.00
$733.00

DESCRIPTION The Mishimoto Street Performance Intercooler takes the place of the stock unit and is specifically designed for use on the stock tune u...

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Mishimoto Silver Front Mount Intercooler Kit 2015-2021 WRX

$1,624.95
$1,624.95 - $1,624.95
$1,624.95
$1,787.00
$1,787.00 - $1,787.00
$1,787.00

DESCRIPTION Designed for applications that demand the greatest airflow and cooling capabilities, the Mishimoto WRX Front-Mount Intercooler Kit prov...

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Mishimoto Black Front Mount Intercooler Kit 2015-2021 WRX

$1,624.95
$1,624.95 - $1,624.95
$1,624.95
$1,787.00
$1,787.00 - $1,787.00
$1,787.00

DESCRIPTION Designed for applications that demand the greatest airflow and cooling capabilities, the Mishimoto WRX Front-Mount Intercooler Kit prov...

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Mishimoto Silver Oil Cooler Kit 2015-2021 WRX

$706.95 - $822.95
$706.95 - $822.95
$706.95
$778.00 - $905.00
$778.00 - $905.00
$778.00

DESCRIPTION Protect your engine with the Mishimoto Direct-Fit Oil Cooler Kit, designed for 2015-2021 Subaru WRX models. Engineered to work alongsid...

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GrimmSpeed Titanium Radiator Shroud 2015-2021 WRX / 2015-2021 STI

$325.00
$325.00 - $325.00
$325.00
$325.00 - $325.00

DESCRIPTION The GrimmSpeed Titanium Radiator Shroud for the 2015–2021 WRX and STI transforms one of the most visible areas of the engine bay into a...

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Mishimoto Neon Yellow Silicone Radiator Hose Kit 2015-2021 WRX

$134.95
$134.95 - $134.95
$134.95
$148.00
$148.00 - $148.00
$148.00

DESCRIPTION Ditch the rubber and upgrade to the Mishimoto Silicone Radiator Hose Kit for your 2015 Subaru WRX. This kit includes upper and lower ra...

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GrimmSpeed Titanium Fender Shrouds 2015–2021 WRX / 2015-2021 STI

$325.00
$325.00 - $325.00
$325.00
$325.00 - $325.00

DESCRIPTION Upgrade your 2015–2021 Subaru WRX or STI engine bay with GrimmSpeed Titanium Fender Shrouds. These precision-crafted titanium panels re...

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Perrin Pink Coolant Overflow Tank 2002+ WRX / 2004-2021 STI

$183.60
$183.60 - $183.60
$183.60
$216.00
$216.00 - $216.00
$216.00

DESCRIPTION The Perrin Coolant Overflow Tank for the 2002+ Subaru WRX and 2004–2021 STI is a premium upgrade that replaces the factory plastic tank...

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COBB Previous Fuel Pressure Sensor Kit to Can Fuel Pressure Sensor Kit 2015-2021 WRX

$135.00
$135.00 - $135.00
$135.00
$135.00 - $135.00

Emissions This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing resul...

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COBB Previous Sensor Kit to Can Flex Fuel Upgrade 2015-2017 WRX

$735.00
$735.00 - $735.00
$735.00
$735.00 - $735.00

Emissions This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing resul...

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COBB Previous Sensor Kit to Can Flex Fuel Upgrade + Fuel Pressure Kit 2015-2017 WRX

$840.00
$840.00 - $840.00
$840.00
$840.00 - $840.00

Emissions This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing resul...

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COBB Can Flex Fuel Upgrade 2015-2017 WRX

$1,035.00
$1,035.00 - $1,035.00
$1,035.00
$1,035.00 - $1,035.00

Emissions This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing resul...

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COBB Previous Sensor Kit to Can Flex Fuel Upgrade 2018-2021 WRX

$735.00
$735.00 - $735.00
$735.00
$735.00 - $735.00

Emissions This part is legal under the provisions of EPA’s Anti-Tampering Policy. COBB Tuning has established a reasonable basis (testing resul...

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Revel GT Dry Carbon Air Intake Cover 2015-2018 WRX/STI

$242.25
$242.25 - $242.25
$242.25
$255.00
$255.00 - $255.00
$255.00

ENHANCE INTERIOR Enhance the look of the interior with perfectly fitted dry carbon overlays. Using various methods of extensive testing for eac...

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GrimmSpeed Black Fender Shrouds 2015-2021 WRX / 2015-2021 STI

$99.00
$99.00 - $99.00
$99.00
$99.00 - $99.00

DESCRIPTION Do away with the flimsy, boring factory fabric shrouds and make your engine bay stand out with the brand new GrimmSpeed Fender Shrouds....

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GrimmSpeed Black Lightweight Crank Pulley 2015-2021 WRX

$155.00
$155.00 - $155.00
$155.00
$155.00 - $155.00

DESCRIPTION The GrimmSpeed Lightweight Crank Pulley reduces the rotational mass of the system, allowing your engine to accelerate and decelerate th...

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Perrin Blue Oil Cap 2002+ WRX / 2004-2021 STI

$69.70
$69.70 - $69.70
$69.70
$82.00
$82.00 - $82.00
$82.00

Replace the ugly yellow plastic OEM oil fill cap with the sexy billet aluminum PERRIN Oil Fill Cap! Complete Your Engine Bay The Perrin Aluminum O...

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Harness the full potential of your Subaru’s performance with Subaru WRX engine parts from WRXDaily. Fine-tune your engine, boost performance, enhance reliability, and more with a diverse selection of Subaru WRX engine upgrades. Every part is sourced from trusted brands, so you can shop with confidence, knowing you’re getting quality built to last. 

Refine your build with top-notch Subaru WRX engine mods that balance power with precision. Our range of 2015 WRX engine mods provides tailored options to fit your needs and driving style. We’re here to help you create an engine setup that delivers every time you put your foot on the gas and hit the road. 

Experience how the right Subaru WRX engine parts can redefine the way you drive. Let the experts at WRXDaily help you build a custom Subaru that fits your wants and needs.