Elevate the performance of your 2015-2021 Subaru WRX to exhilarating heights with our premium selection of high-quality engine parts. Unleash the full potential of your vehicle's powerplant by exploring our meticulously curated range of performance-enhancing components, designed to optimize every aspect of your driving experience. From turbochargers that deliver impressive horsepower gains to precision-engineered air intake systems that enhance airflow and responsiveness, our collection offers a comprehensive array of aftermarket upgrades to suit your specific performance goals. Our step-by-step installation tips ensure a seamless integration process, whether you're a seasoned auto enthusiast or a first-time DIYer, while our maintenance insights empower you to keep your upgraded engine running smoothly for years to come. Transform your Subaru WRX into a true powerhouse on the road with our premium engine parts, carefully selected to deliver unparalleled performance, efficiency, and driving satisfaction. Unlock the true potential of your WRX today and experience a driving experience like no other.
2015-2021 Subaru WRX Engine Parts
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In StockWalbro 450lph E85 Compatiable Fuel Pump & Installation Kit | TIA485-2 - Universal
Regular price $206.00Sale price $206.00 Regular priceUnit price per$206.00 -
In StockRemark Stainless Steel Axle Back w/ Single Wall 4 Inch Polished Tips | RO-TSVA-S4
Fits: 15-21 WRX/STI
Regular price $635.00Sale price $635.00 Regular priceUnit price per$635.00 -
![Perrin [15-21 WRX] Black Pulley Cover | PSP-ENG-152BK](//jdmuscleusa.com/cdn/shop/products/perrin-black-pulley-cover-subaru-wrx-2015-2020-psp-eng-152bk-alternator-covers-perrin-performance-papsp-eng-152bk.jpg?v=1737769487&width=220)
![Perrin [15-21 WRX] Black Pulley Cover | PSP-ENG-152BK](//jdmuscleusa.com/cdn/shop/products/perrin-black-pulley-cover-subaru-wrx-2015-2020-psp-eng-152bk-alternator-covers-perrin-performance-papsp-eng-152bk-2.jpg?v=1737769487&width=220)
Up to $44 off
In StockPerrin Black Pulley Cover
Fits: 15-21 WRX
Only 12 leftRegular price $132.00Sale price $132.00 Regular priceUnit price per$176.00 -
Up to $2.70 off
In StockCusco Oil Drain Plug M20x1.5 - Universal
Regular price $24.30Sale price $24.30 Regular priceUnit price per$27.00 -
![IAG [02 - 14 WRX, 04 - 21 STI, 05 - 09 LGT, 04 - 13 FXT] Street Series Oil Pan Package | IAG - ENG - 2201 - JDMuscleOil PansIAG-ENG-2201SLSilver](//jdmuscleusa.com/cdn/shop/products/iag-02-14-wrx-04-21-sti-05-09-lgt-04-13-fxt-street-series-oil-pan-package-iag-eng-2201-8112980.jpg?v=1770331224&width=220)
![IAG [02 - 14 WRX, 04 - 21 STI, 05 - 09 LGT, 04 - 13 FXT] Street Series Oil Pan Package | IAG - ENG - 2201 - JDMuscleOil PansIAG-ENG-2201SLSilver](//jdmuscleusa.com/cdn/shop/products/iag-02-14-wrx-04-21-sti-05-09-lgt-04-13-fxt-street-series-oil-pan-package-iag-eng-2201-2248205.jpg?v=1770331225&width=220)
IAG Street Series Oil Pan Package
Fits: 02-14 WRX, 04-21 STI, 05-09 LGT, 04-13 FXT
Regular price From $699.99Sale price From $699.99 Regular priceUnit price per$699.99 -
![Perrin [02 - 14 WRX, 04 - 21 STI] Belt Cover Hyper Pink | PSP - ENG - 150HP - JDMuscleBelt CoversperPSP-ENG-150HP](//jdmuscleusa.com/cdn/shop/products/perrin-02-14-wrx-04-21-sti-belt-cover-hyper-pink-psp-eng-150hp-4918766.jpg?v=1770330553&width=220)
![Perrin [02 - 14 WRX, 04 - 21 STI] Belt Cover Hyper Pink | PSP - ENG - 150HP - JDMuscleBelt CoversperPSP-ENG-150HP](//jdmuscleusa.com/cdn/shop/products/perrin-02-14-wrx-04-21-sti-belt-cover-hyper-pink-psp-eng-150hp-8528183.jpg?v=1770330553&width=220)
Up to $29.25 off
In StockPerrin Belt Cover Hyper Pink
Fits: 02-14 WRX, 04-21 STI
Only 8 leftRegular price $87.75Sale price $87.75 Regular priceUnit price per$117.00 -
![DC Sports [15 - 21 WRX/STI] Catback Single Canister Exhaust Burnt - JDMuscleCat Back Exhaust SystemDC-SCS4305Polished](//jdmuscleusa.com/cdn/shop/files/dc-sports-15-21-wrxsti-catback-single-canister-exhaust-burnt-3048411.webp?v=1770327165&width=220)
![DC Sports [15 - 21 WRX/STI] Catback Single Canister Exhaust Burnt - JDMuscleCat Back Exhaust SystemDC-SCS4305Polished](//jdmuscleusa.com/cdn/shop/files/dc-sports-15-21-wrxsti-catback-single-canister-exhaust-burnt-3446643.webp?v=1770327166&width=220)
Up to $22.49 offDC Sports Catback Single Canister Exhaust Burnt
Fits: 15-21 WRX/STI
Regular price $427.50Sale price $427.50 Regular priceUnit price per$449.99 -
![Velossa Tech Design [15 - 21 WRX/STI] Big Mouth Ram Air Intake Snorkel *RGB Upgrade Available | VT - BM - 0228 - JDMuscleAir Intake DuctsVTDVT-BM-0228-Rec-RD-NRectangularRedNo](//jdmuscleusa.com/cdn/shop/files/velossa-tech-design-15-21-wrxsti-big-mouth-ram-air-intake-snorkel-rgb-upgrade-available-vt-bm-0228-9248696.png?v=1770321493&width=220)
![Velossa Tech Design [15 - 21 WRX/STI] Big Mouth Ram Air Intake Snorkel *RGB Upgrade Available | VT - BM - 0228 - JDMuscleAir Intake DuctsVTDVT-BM-0228-Rec-RD-NRectangularRedNo](//jdmuscleusa.com/cdn/shop/files/velossa-tech-design-15-21-wrxsti-big-mouth-ram-air-intake-snorkel-rgb-upgrade-available-vt-bm-0228-8798540.jpg?v=1770321493&width=220)
Velossa Tech Design Big Mouth Ram Air Intake Snorkel *RGB Upgrade Available | VT-BM-0228
Fits: 15-21 WRX/STI
Regular price From $179.00Sale price From $179.00 Regular priceUnit price per$179.00 -
![Perrin Performance [08 - 14 Subaru Impreza, 15 - 21 WRX, STI] Replacement Foam Filter - JDMuscleAir Intake Filter ReplacementsperX-PSP-INT-324-2](//jdmuscleusa.com/cdn/shop/files/perrin-performance-08-14-subaru-impreza-15-21-wrx-sti-replacement-foam-filter-4247907.jpg?v=1770324910&width=220)
![Perrin Performance [08 - 14 Subaru Impreza, 15 - 21 WRX, STI] Replacement Foam Filter - JDMuscleAir Intake Filter ReplacementsperX-PSP-INT-324-2](//jdmuscleusa.com/cdn/shop/files/perrin-performance-08-14-subaru-impreza-15-21-wrx-sti-replacement-foam-filter-8308968.jpg?v=1770324909&width=220)
Up to $23.25 off
In StockPerrin Performance Replacement Foam Filter
Fits: 08-14 Subaru Impreza, 15-21 WRX, STI
Only 16 leftRegular price $69.75Sale price $69.75 Regular priceUnit price per$93.00 -
IAG Air / Oil Separator AOS Fits
Fits: 15-21 WRX
Regular price $499.99Sale price $499.99 Regular priceUnit price per$499.99 -
![Mishimoto [15 - 21 WRX] Cold Air Intake Wrinkle Black w/ Air Box - JDMuscleIntakesMIMMMAI-WRX-15BWBK](//jdmuscleusa.com/cdn/shop/products/mishimoto-15-21-wrx-cold-air-intake-wrinkle-black-w-air-box-9986829.png?v=1770329185&width=220)
![Mishimoto [15 - 21 WRX] Cold Air Intake Wrinkle Black w/ Air Box - JDMuscleIntakesMIMMMAI-WRX-15BWBK](//jdmuscleusa.com/cdn/shop/products/mishimoto-15-21-wrx-cold-air-intake-wrinkle-black-w-air-box-6465825.png?v=1770329185&width=220)
Up to $38.05 off
In StockMishimoto Cold Air Intake Wrinkle Black w/ Air Box
Fits: 15-21 WRX
Only 2 leftRegular price $383.95Sale price $383.95 Regular priceUnit price per$422.00 -
![Perrin [15 - 21 WRX, 14 - 18 Forester, 18 - 20 Crosstrek, 17 - 22 Impreza] Lightweight Water Pump Pulley Black | PSP - ENG - 111BK - JDMusclePulleysperPSP-ENG-111BK](//jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrx-14-18-forester-18-20-crosstrek-17-22-impreza-lightweight-water-pump-pulley-black-psp-eng-111bk-5015025.jpg?v=1770329775&width=220)
![Perrin [15 - 21 WRX, 14 - 18 Forester, 18 - 20 Crosstrek, 17 - 22 Impreza] Lightweight Water Pump Pulley Black | PSP - ENG - 111BK - JDMusclePulleysperPSP-ENG-111BK](//jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrx-14-18-forester-18-20-crosstrek-17-22-impreza-lightweight-water-pump-pulley-black-psp-eng-111bk-4264246.jpg?v=1770329775&width=220)
Up to $30.75 off
In StockPerrin Lightweight Water Pump Pulley Black | PSP-ENG-111BK
Fits: 15-21 WRX, 14-18 Forester, 18-20 Crosstrek, 17-22 Impreza
Only 5 leftRegular price $92.25Sale price $92.25 Regular priceUnit price per$123.00 -
![Perrin [15 - 26 WRX] Cam Solenoid Cover - Red | PSP - ENG - 172RD - JDMuscleBoost Control Solenoid CoversperPSP-ENG-172RD](//jdmuscleusa.com/cdn/shop/products/perrin-15-26-wrx-cam-solenoid-cover-red-psp-eng-172rd-8022220.jpg?v=1770330256&width=220)
![Perrin [15 - 26 WRX] Cam Solenoid Cover - Red | PSP - ENG - 172RD - JDMuscleBoost Control Solenoid CoversperPSP-ENG-172RD](//jdmuscleusa.com/cdn/shop/products/perrin-15-26-wrx-cam-solenoid-cover-red-psp-eng-172rd-2136101.jpg?v=1770330256&width=220)
Up to $44.75 off
In StockPerrin Cam Solenoid Cover - Red | PSP-ENG-172RD
Fits: 15-26 WRX
Only 5 leftRegular price $134.25Sale price $134.25 Regular priceUnit price per$179.00 -
![Radium Engineering [08-21 WRX/STI, 05-09 LGT/OBXT] V2 Fuel Pump Hanger for use w/ Walbro 450LPH | F90000267/274/285 Pumps - JDMuscleFuel Pumps and Accessoriesrad20-0782-00](//jdmuscleusa.com/cdn/shop/products/radium-engineering-08-21-wrxsti-05-09-lgtobxt-v2-fuel-pump-hanger-for-use-w-walbro-450lph-f90000267274285-pumps-6792551.jpg?v=1781013619&width=220)
![Radium Engineering [08-21 WRX/STI, 05-09 LGT/OBXT] V2 Fuel Pump Hanger for use w/ Walbro 450LPH | F90000267/274/285 Pumps - JDMuscleFuel Pumps and Accessoriesrad20-0782-00](//jdmuscleusa.com/cdn/shop/products/radium-engineering-08-21-wrxsti-05-09-lgtobxt-v2-fuel-pump-hanger-for-use-w-walbro-450lph-f90000267274285-pumps-8701445.jpg?v=1781013620&width=220)
Up to $27 off
In StockRadium Engineering V2 Fuel Pump Hanger for use w/ Walbro 450LPH | F90000267/274/285 Pumps
Fits: 08-21 WRX/STI, 05-09 LGT/OBXT
Only 15 leftRegular price $512.95Sale price $512.95 Regular priceUnit price per$539.95 -
![Cobb [15 - 21 WRX] Redline Carbon Fiber Engine Cover Gloss Finish - JDMuscleEngine Coverscobb442605](//jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-redline-carbon-fiber-engine-cover-gloss-finish-5680194.jpg?v=1770336334&width=220)
![Cobb [15 - 21 WRX] Redline Carbon Fiber Engine Cover Gloss Finish - JDMuscleEngine Coverscobb442605](//jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-redline-carbon-fiber-engine-cover-gloss-finish-7273852.jpg?v=1770336334&width=220)
In StockCobb Redline Carbon Fiber Engine Cover Gloss Finish
Fits: 15-21 WRX
Only 7 leftRegular price $325.00Sale price $325.00 Regular priceUnit price per$325.00 -
![COBB [15 - 21 WRX] Intake Replacement Filter | 7M1102 - JDMuscleAir Intake Filter Replacementscobb7M1102](//jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-intake-replacement-filter-7m1102-7434444.jpg?v=1770336431&width=220)
In StockCOBB Intake Replacement Filter
Fits: 15-21 WRX
Regular price $97.00Sale price $97.00 Regular priceUnit price per$97.00
![Perrin [15-21 WRX] Black Pulley Cover | PSP-ENG-152BK](http://jdmuscleusa.com/cdn/shop/products/perrin-black-pulley-cover-subaru-wrx-2015-2020-psp-eng-152bk-alternator-covers-perrin-performance-papsp-eng-152bk.jpg?v=1737769487&width=220)
![Perrin [15-21 WRX] Black Pulley Cover | PSP-ENG-152BK](http://jdmuscleusa.com/cdn/shop/products/perrin-black-pulley-cover-subaru-wrx-2015-2020-psp-eng-152bk-alternator-covers-perrin-performance-papsp-eng-152bk-2.jpg?v=1737769487&width=220)
![IAG [02 - 14 WRX, 04 - 21 STI, 05 - 09 LGT, 04 - 13 FXT] Street Series Oil Pan Package | IAG - ENG - 2201 - JDMuscleOil PansIAG-ENG-2201SLSilver](http://jdmuscleusa.com/cdn/shop/products/iag-02-14-wrx-04-21-sti-05-09-lgt-04-13-fxt-street-series-oil-pan-package-iag-eng-2201-8112980.jpg?v=1770331224&width=220)
![IAG [02 - 14 WRX, 04 - 21 STI, 05 - 09 LGT, 04 - 13 FXT] Street Series Oil Pan Package | IAG - ENG - 2201 - JDMuscleOil PansIAG-ENG-2201SLSilver](http://jdmuscleusa.com/cdn/shop/products/iag-02-14-wrx-04-21-sti-05-09-lgt-04-13-fxt-street-series-oil-pan-package-iag-eng-2201-2248205.jpg?v=1770331225&width=220)
![Perrin [02 - 14 WRX, 04 - 21 STI] Belt Cover Hyper Pink | PSP - ENG - 150HP - JDMuscleBelt CoversperPSP-ENG-150HP](http://jdmuscleusa.com/cdn/shop/products/perrin-02-14-wrx-04-21-sti-belt-cover-hyper-pink-psp-eng-150hp-4918766.jpg?v=1770330553&width=220)
![Perrin [02 - 14 WRX, 04 - 21 STI] Belt Cover Hyper Pink | PSP - ENG - 150HP - JDMuscleBelt CoversperPSP-ENG-150HP](http://jdmuscleusa.com/cdn/shop/products/perrin-02-14-wrx-04-21-sti-belt-cover-hyper-pink-psp-eng-150hp-8528183.jpg?v=1770330553&width=220)
![DC Sports [15 - 21 WRX/STI] Catback Single Canister Exhaust Burnt - JDMuscleCat Back Exhaust SystemDC-SCS4305Polished](http://jdmuscleusa.com/cdn/shop/files/dc-sports-15-21-wrxsti-catback-single-canister-exhaust-burnt-3048411.webp?v=1770327165&width=220)
![DC Sports [15 - 21 WRX/STI] Catback Single Canister Exhaust Burnt - JDMuscleCat Back Exhaust SystemDC-SCS4305Polished](http://jdmuscleusa.com/cdn/shop/files/dc-sports-15-21-wrxsti-catback-single-canister-exhaust-burnt-3446643.webp?v=1770327166&width=220)
![Velossa Tech Design [15 - 21 WRX/STI] Big Mouth Ram Air Intake Snorkel *RGB Upgrade Available | VT - BM - 0228 - JDMuscleAir Intake DuctsVTDVT-BM-0228-Rec-RD-NRectangularRedNo](http://jdmuscleusa.com/cdn/shop/files/velossa-tech-design-15-21-wrxsti-big-mouth-ram-air-intake-snorkel-rgb-upgrade-available-vt-bm-0228-9248696.png?v=1770321493&width=220)
![Velossa Tech Design [15 - 21 WRX/STI] Big Mouth Ram Air Intake Snorkel *RGB Upgrade Available | VT - BM - 0228 - JDMuscleAir Intake DuctsVTDVT-BM-0228-Rec-RD-NRectangularRedNo](http://jdmuscleusa.com/cdn/shop/files/velossa-tech-design-15-21-wrxsti-big-mouth-ram-air-intake-snorkel-rgb-upgrade-available-vt-bm-0228-8798540.jpg?v=1770321493&width=220)
![Perrin Performance [08 - 14 Subaru Impreza, 15 - 21 WRX, STI] Replacement Foam Filter - JDMuscleAir Intake Filter ReplacementsperX-PSP-INT-324-2](http://jdmuscleusa.com/cdn/shop/files/perrin-performance-08-14-subaru-impreza-15-21-wrx-sti-replacement-foam-filter-4247907.jpg?v=1770324910&width=220)
![Perrin Performance [08 - 14 Subaru Impreza, 15 - 21 WRX, STI] Replacement Foam Filter - JDMuscleAir Intake Filter ReplacementsperX-PSP-INT-324-2](http://jdmuscleusa.com/cdn/shop/files/perrin-performance-08-14-subaru-impreza-15-21-wrx-sti-replacement-foam-filter-8308968.jpg?v=1770324909&width=220)
![Mishimoto [15 - 21 WRX] Cold Air Intake Wrinkle Black w/ Air Box - JDMuscleIntakesMIMMMAI-WRX-15BWBK](http://jdmuscleusa.com/cdn/shop/products/mishimoto-15-21-wrx-cold-air-intake-wrinkle-black-w-air-box-9986829.png?v=1770329185&width=220)
![Mishimoto [15 - 21 WRX] Cold Air Intake Wrinkle Black w/ Air Box - JDMuscleIntakesMIMMMAI-WRX-15BWBK](http://jdmuscleusa.com/cdn/shop/products/mishimoto-15-21-wrx-cold-air-intake-wrinkle-black-w-air-box-6465825.png?v=1770329185&width=220)
![Perrin [15 - 21 WRX, 14 - 18 Forester, 18 - 20 Crosstrek, 17 - 22 Impreza] Lightweight Water Pump Pulley Black | PSP - ENG - 111BK - JDMusclePulleysperPSP-ENG-111BK](http://jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrx-14-18-forester-18-20-crosstrek-17-22-impreza-lightweight-water-pump-pulley-black-psp-eng-111bk-5015025.jpg?v=1770329775&width=220)
![Perrin [15 - 21 WRX, 14 - 18 Forester, 18 - 20 Crosstrek, 17 - 22 Impreza] Lightweight Water Pump Pulley Black | PSP - ENG - 111BK - JDMusclePulleysperPSP-ENG-111BK](http://jdmuscleusa.com/cdn/shop/products/perrin-15-21-wrx-14-18-forester-18-20-crosstrek-17-22-impreza-lightweight-water-pump-pulley-black-psp-eng-111bk-4264246.jpg?v=1770329775&width=220)
![Perrin [15 - 26 WRX] Cam Solenoid Cover - Red | PSP - ENG - 172RD - JDMuscleBoost Control Solenoid CoversperPSP-ENG-172RD](http://jdmuscleusa.com/cdn/shop/products/perrin-15-26-wrx-cam-solenoid-cover-red-psp-eng-172rd-8022220.jpg?v=1770330256&width=220)
![Perrin [15 - 26 WRX] Cam Solenoid Cover - Red | PSP - ENG - 172RD - JDMuscleBoost Control Solenoid CoversperPSP-ENG-172RD](http://jdmuscleusa.com/cdn/shop/products/perrin-15-26-wrx-cam-solenoid-cover-red-psp-eng-172rd-2136101.jpg?v=1770330256&width=220)
![Radium Engineering [08-21 WRX/STI, 05-09 LGT/OBXT] V2 Fuel Pump Hanger for use w/ Walbro 450LPH | F90000267/274/285 Pumps - JDMuscleFuel Pumps and Accessoriesrad20-0782-00](http://jdmuscleusa.com/cdn/shop/products/radium-engineering-08-21-wrxsti-05-09-lgtobxt-v2-fuel-pump-hanger-for-use-w-walbro-450lph-f90000267274285-pumps-6792551.jpg?v=1781013619&width=220)
![Radium Engineering [08-21 WRX/STI, 05-09 LGT/OBXT] V2 Fuel Pump Hanger for use w/ Walbro 450LPH | F90000267/274/285 Pumps - JDMuscleFuel Pumps and Accessoriesrad20-0782-00](http://jdmuscleusa.com/cdn/shop/products/radium-engineering-08-21-wrxsti-05-09-lgtobxt-v2-fuel-pump-hanger-for-use-w-walbro-450lph-f90000267274285-pumps-8701445.jpg?v=1781013620&width=220)
![Cobb [15 - 21 WRX] Redline Carbon Fiber Engine Cover Gloss Finish - JDMuscleEngine Coverscobb442605](http://jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-redline-carbon-fiber-engine-cover-gloss-finish-5680194.jpg?v=1770336334&width=220)
![Cobb [15 - 21 WRX] Redline Carbon Fiber Engine Cover Gloss Finish - JDMuscleEngine Coverscobb442605](http://jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-redline-carbon-fiber-engine-cover-gloss-finish-7273852.jpg?v=1770336334&width=220)
![COBB [15 - 21 WRX] Intake Replacement Filter | 7M1102 - JDMuscleAir Intake Filter Replacementscobb7M1102](http://jdmuscleusa.com/cdn/shop/products/cobb-15-21-wrx-intake-replacement-filter-7m1102-7434444.jpg?v=1770336431&width=220)