Subaru Engines & Engine Parts for 2018 Subaru WRX STI
Find parts that fit
We need more information about your vehicle to confirm fit.
2018
Subaru
WRX STI
Shop by Popular Categories
SPONSOREDSPONSOREDSPONSOREDSPONSOREDSPONSORED
All
Auction
Buy It Now
949 Results
2015-2018 Subaru WRX STI Ac Compressor Brackets
Pre-Owned: Subaru$65.00Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingOEM 2006-2018 Subaru Secondary AIR Pump Relay Impreza WRX STI Turbo 25232AA090 (Fits: 2018 Subaru WRX STI)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$16.84Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shipping144 sold2018 Subaru WRX STI Complete Engine Assembly M/T 66k Miles OEM
Pre-Owned: Subaru$5,500.00Free shippingOEM 2006-2018 Subaru Impreza WRX STi Vacuum Hose TURBO Models NEW 99081AA081 (Fits: 2018 Subaru WRX STI)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$39.35Free shippingOnly 2 left2004-2018 SUBARU WRX STI LEGACY FORESTER BAJA EJ257 OEM Single Piston Style B
Pre-Owned: Subaru$46.49Was: $49.99or Best OfferFree shipping2015-2019 Subaru WRX STI Piston Single OEM 15-19 (Fits: 2018 Subaru WRX STI)
Pre-Owned: Subaru$65.09Was: $69.99Free shippingNew ListingGenuine Subaru Valve Seals 13211aa110 (Fits: 2018 Subaru WRX STI)
Genuine Subaru Replacement PartsBrand New: Subaru$12.60Free shippingOEM 90-21 Subaru Engine Oil Filter & Crush Gasket Impreza WRX STi SOA6351520812 (Fits: 2018 Subaru WRX STI)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$9.69Free shippingOnly 3 left15-21 SUBARU WRX STI EJ25 CRAWFORD AIR OIL SEPARATOR KIT V2 STOCK LOCATION TURBO
Pre-Owned: Subaru$249.99or Best OfferFree shippingGenuine Subaru Oil Filter Complete 15208AA100 (Fits: 2018 Subaru WRX STI)
Brand New: Subaru$12.69Trending at $15.00eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shipping2015-2018 Subaru WRX STI 2.5L Engine Bay Wiring Harness
Pre-Owned: Subaru$385.00Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shipping2018 Subaru WRX STi Transmission Mount Brace Crossmember Assy OEM
Pre-Owned: Subaru$105.59Was: $119.99Free shipping2018 Subaru WRX STi Transmission Mount Brace Crossmember Assy OEM 3914 (Fits: 2018 Subaru WRX STI)
Pre-Owned: Subaru$72.00Was: $80.00or Best OfferFree shippingNEW 1988-2018 Subaru Oil Filler Neck Seal Impreza WRX STI Legacy OEM 803942020
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$10.73Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingOnly 3 leftGenuine OEM ENGINE GASKET KIT for Subaru Impreza WRX STI 2008-2018 10105AC180 (Fits: 2018 Subaru WRX STI)
Brand New: Subaru$267.00Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Trending at $270.90eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shippingOnly 1 left!NEW 2006-2018 Subaru Set Of 2 Cylinder Head Gaskets WRX STI TURBO OEM 11044AA770
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$87.67Free shipping37 soldNEW OEM Subaru Valve Rocker Cam Cover Gasket Kit TURBO GT XT WRX STI EJ255 EJ257 (Fits: 2018 Subaru WRX STI)
Brand New: Subaru$57.99Free shipping2004-2014 Subaru WRX STI Oil Pan Baffle Windage Tray OEM 04-14 (Fits: 2018 Subaru WRX STI)
Pre-Owned: Subaru$12.04Was: $12.95Free shippingRH Right Front Timing Cover 2008-2014 Subaru WRX STi Legacy Outer Genuine OEM (Fits: 2018 Subaru WRX STI)
Brand New: Subaru(2)2 product ratings - RH Right Front Timing Cover 2008-2014 Subaru WRX STi Legacy Outer Genuine OEM$87.60Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingOnly 1 left!2002-2020 Subaru Impreza WRX STI Timing Belt Cover Center Front 02-20 (Fits: 2018 Subaru WRX STI)
Pre-Owned: Subaru$29.75Was: $31.99Free shippingOEM 2015-2018 Subaru WRX STI Hood Insulation Pad Liner Heat Shield 90815VA000 (Fits: 2018 Subaru WRX STI)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$178.02Free shippingOnly 1 left!OEM 2008-2018 Subaru Impreza WRX STI Engine Cylinder Head Gasket Kit 10105AB2009 (Fits: 2018 Subaru WRX STI)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$317.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
109 sold2004-2018 Subaru WRX OR STI LGT FXT Right Intake Cam Gear AVCS Passenger 04-18 (Fits: 2018 Subaru WRX STI)
Pre-Owned: Subaru$83.69Was: $89.99Free shipping110 soldCylinder Head SUBARU WRX 15 16 17 18 19 20 21 (Fits: 2018 Subaru WRX STI)
Pre-Owned: Subaru$250.00Free shippingGenuine Subaru Impreza WRX STi Legacy Outback - Rear Main Oil Seal 1990-2018 OEM
Brand New: Subaru$86.20Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingOnly 1 left!OEM Subaru Valve Rocker Cam Cover GASKET KIT - TURBO GT XT WRX STI EJ255 EJ257 (Fits: 2018 Subaru WRX STI)
Brand New: Subaru$115.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingOnly 1 left!2008-2021 SUBARU WRX STI ENGINE INTAKE VALVE SET OEM 13201AA371 (Fits: 2018 Subaru WRX STI)
Pre-Owned: Subaru$99.95Free shippingOnly 1 left!New ListingGenuine Subaru Oil Pan Baffle 10915aa010 (Fits: 2018 Subaru WRX STI)
Genuine Subaru Replacement PartsBrand New: Subaru$18.80Free shippingGENUINE SUBARU 90-2018 OIL CRANK SEAL WRX STI FORESTER IMPREZA LEGACY 806733030
Brand New: Subaru$14.00Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Trending at $15.07eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shippingGenuine Subaru Manifold Gasket 14075AA161 (Fits: 2018 Subaru WRX STI)
New OEM Factory PartBrand New: Subaru$22.47Free shipping2006-2019 Subaru Impreza WRX STI Engine Oil Pan OEM 06-19 (Fits: 2018 Subaru WRX STI)
Pre-Owned: Subaru$64.17Was: $69.00Free shippingOnly 1 left!2015-2018 Subaru WRX STI Body Control Module Bracket 88283FJ100
Pre-Owned: Subaru$40.00Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shipping2005-2014 Subaru Forester Impreza WRX STi Outback Oil Pan OEM NEW (Fits: 2018 Subaru WRX STI)
Brand New: Subaru$300.00Free shippingOnly 1 left!2004-2018 Subaru Nitride Treated Crankshaft EJ257 2.5L EJ255 Genuine (Fits: 2018 Subaru WRX STI)
Brand New: Subaru$345.90Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Trending at $349.99eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shipping146 soldOEM 2004-2018 Subaru Impreza WRX STI EJ257 Nitrate Coated Crankshaft 12200AA430 (Fits: 2018 Subaru WRX STI)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$363.03Free shipping150 soldOEM 2008-2018 Subaru Fuse Box Terminal Protector Impreza WRX STI NEW 81931AG080 (Fits: 2018 Subaru WRX STI)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$27.79Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Trending at $28.84eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shippingOnly 3 left541 Motorsports Billet Timing Belt Guide For Subaru WRX STI LGT 02-20 (Fits: 2018 Subaru WRX STI)
Brand New: Subaru$26.96Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $28.99Free shipping87 soldNEW GENUINE OEM SUBARU ENGINE COOLANT TEMPERATURE SENSOR OUTBACK STI 22630AA230 (Fits: 2018 Subaru WRX STI)
Brand New: Subaru$43.12or Best OfferFree shipping5 watchingOEM 2004-2018 Subaru Engine Oil Return Cover Gasket Impreza WRX STI 10931AA010 (Fits: 2018 Subaru WRX STI)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$7.81Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingOnly 2 leftGenuine Subaru WRX STI EJ257 2008-18 LH Cylinder Head (Fits: 2018 Subaru WRX STI)
Brand New: Subaru$639.00Free shippingOnly 1 left!NEW 2008-2021 SUBARU WRX STI OUTER TIMING BELT COVER SET OEM EJ257 LH/RH (Fits: 2018 Subaru WRX STI)
Brand New: Subaru$199.95Free shippingOnly 1 left!2004-2018 SUBARU WRX STI LEGACY FORESTER BAJA EJ257 OEM Single Piston Style A
Pre-Owned: Subaru(2)2 product ratings - 2004-2018 SUBARU WRX STI LEGACY FORESTER BAJA EJ257 OEM Single Piston Style A$46.49Was: $49.99or Best OfferFree shippingSubaru Engine Short Block Halves EJ257 2.5L Impreza WRX STI OEM NEW 11008AA930 (Fits: 2018 Subaru WRX STI)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$1,362.1943 sold2015-2019 Subaru WRX STI Oil Pump Assembly Factory OEM 15-19 (Fits: 2018 Subaru WRX STI)
Pre-Owned: Subaru$37.15Was: $39.95Free shipping08-18 Subaru WRX STI Left Exhaust Cam Gear LH Driver Dual AVCS 2008-2018 (Fits: 2018 Subaru WRX STI)
Pre-Owned: Subaru$139.49Was: $149.99or Best OfferFree shippingSUBARU WRX STI VAF 15-20 Genuine Oil Control Valve Holder Assy 10917AA070 (Fits: 2018 Subaru WRX STI)
Brand New: Subaru$150.46Free shippingOnly 1 left!OEM 2004-2018 Subaru Impreza WRX STI Turbocharger Oil Return Line NEW 15192AA501 (Fits: 2018 Subaru WRX STI)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$49.21Only 1 left!OEM NEW 2008-2018 Subaru STI WRX Gasket Cylinder Control Valve Holder 10924AA011
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$8.02Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shipping53 sold2018-2021 Subaru WRX STI Right Cylinder Head Assembly Factory OEM
Pre-Owned: Subaru$639.99Free shipping2008-2021 SUBARU WRX STI ENGINE EXHAUST VALVE SET OEM 13202AA660 (Fits: 2018 Subaru WRX STI)
Pre-Owned: Subaru$129.95Free shippingOnly 1 left!