Subaru Engines & Engine Parts for 2003 Subaru Legacy
Find parts that fit
We need more information about your vehicle to confirm fit.
2003
Subaru
Legacy
Shop by Popular Categories
SPONSOREDSPONSOREDSPONSOREDSPONSOREDSPONSOREDSPONSORED
All
Auction
Buy It Now
1,380 Results
Engine Valve Cover Left Side 2003 Subaru Legacy Outback
Fast Shipping - 90 Day Money Back Guarantee!Pre-Owned: Subaru$61.60Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $88.00Free shippingOEM 2 PCS 11044AA770 Cylinder Head Gasket Set For SUBARU 2.5 WRX STI 11044-AA642 (Fits: 2003 Subaru Legacy)
Brand New: Subaru$45.69Trending at $58.41eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shipping11109AA122; SUBARU LEGACY OEM Lower Engine Oil Pan 3.0L 2001-09 (Fits: 2003 Subaru Legacy)
Pre-Owned: Subaru$50.00or Best OfferFree shippingSet of 2, OEM 1990-2012 Subaru Rear Cam Plug Seal SOHC Legacy Impreza Forester (Fits: 2003 Subaru Legacy)
Brand New: Subaru$10.02Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingOnly 2 leftSUBARU LEGACY BL BP 2003-2006 Genuine Camshaft Sensor Assy 22056AA150 OEM
Brand New: Subaru$49.59Was: $53.32Free shippingOnly 1 left!OEM 2 PCS 11044AA770 Cylinder Head Gasket Set For SUBARU 2.5 WRX STI 11044-AA642 (Fits: 2003 Subaru Legacy)
Brand New: Subaru$36.88Trending at $58.41eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shippingOnly 3 leftGenuine OEM Subaru 13201AA362 Intake Valve (qty 1) (Fits: 2003 Subaru Legacy)
Brand New: Subaru$17.33or Best OfferFree shippingOnly 3 leftGenuine Subaru 12 Head Bolts Kit Impreza Forester Outback Legacy SOHC 11095AA141 (Fits: 2003 Subaru Legacy)
Brand New: Subaru$59.99Trending at $67.95eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shipping72 sold01-04 Subaru Outback H6 3.0L Cylinder Head Assembly RH Passenger Side 11039AB327 (Fits: 2003 Subaru Legacy)
Pre-Owned: Subaru$284.99Was: $299.99or Best OfferFree shipping2003 Subaru Legacy 2.5L Engine Motor SOHC 4cyl OEM 114K Miles - LKQ378460075 (Fits: 2003 Subaru Legacy)
**See Full Description for IMPORTANT Vehicle Fitment**Pre-Owned: Subaru$1,874.85Was: $2,128.85Free shippingSET OF 16 - OEM SUBARU BOLT GROMMETS For IMPREZA WRX EJ205 TURBO 2002 - 2005 (Fits: 2003 Subaru Legacy)
Brand New: Subaru$225.48Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingOnly 1 left!Genuine Subaru 12 Head Bolts Kit Impreza Forester Outback Legacy SOHC 2.5 NEW (Fits: 2003 Subaru Legacy)
Brand New: Subaru$67.95Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferGenuine Subaru Manifold Gasket 14035AA383 (Fits: 2003 Subaru Legacy)
New OEM Factory PartBrand New: Subaru$18.85Free shippingPiston Standard Size From 2003 Subaru Legacy 2.5 (Fits: 2003 Subaru Legacy)
Pre-Owned: Subaru$39.95Free shippingOEM Genuine SUBARU Legacy/ Forester/ Impreza 2.5 SOHC MLS Head Gaskets Set of 2 (Fits: 2003 Subaru Legacy)
Brand New: Subaru$90.00Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingOEM Non-Turbo Subaru Impreza Legacy Intake Manifold Gasket Set 14035AA383 – 2pc (Fits: 2003 Subaru Legacy)
Brand New: Subaru$14.30Trending at $14.49eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shipping1985-2017 Subaru Magnetic Oil Drain Plug & Gasket Impreza Legacy Justy OEM NEW (Fits: 2003 Subaru Legacy)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$7.20Trending at $8.49eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shippingOnly 2 leftOEM 2003-2021 Subaru Oil Filler Cap Legacy Outback Forester STi + NEW 15255AA170 (Fits: 2003 Subaru Legacy)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$14.48Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shipping307 soldSubaru Block Main Bolts Case Kit EJ205 EJ257 Turbo OEM Impreza Sti Wrx & EJ253 + (Fits: 2003 Subaru Legacy)
Brand New: Subaru$57.99Free shippingOEM Factory Subaru Engine Oil Filter & Crush Gasket KIT 15208AA100 Genuine (Fits: 2003 Subaru Legacy)
Brand New: Subaru$15.99Trending at $35.11eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shippingOEM 2 PCS 11044AA770 Cylinder Head Gasket Set For SUBARU 2.5 WRX STI 11044-AA642 (Fits: 2003 Subaru Legacy)
Brand New: Subaru$64.90Free shipping2003-2006 SUBARU LEGACY GT ENGINE JDM EJ20X 2.0L REPLACES EJ255 TURBO
Pre-Owned: Subaru$999.00Free shipping29 watching01 - 04 Subaru Outback H6 3.0L Cylinder Head Assembly LH Driver Side 11063AA834 (Fits: 2003 Subaru Legacy)
Pre-Owned: Subaru$237.49Was: $249.99or Best OfferFree shipping00 - 04 Subaru Outback 2.5L Cylinder Head RH Passenger Side OEM 11039AB541 (Fits: 2003 Subaru Legacy)
Pre-Owned: Subaru$265.99Was: $279.99or Best OfferFree shippingOEM 90-21 Subaru Engine Oil Filter & Crush Gasket Impreza WRX STi SOA6351520812 (Fits: 2003 Subaru Legacy)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$9.69Free shippingOnly 3 left2003-2020 Subaru OEM Oil Cap Legacy Outback Forester Impreza WRX STI 15255AA170
Pre-Owned: Subaru$8.79Free shippingOnly 1 left!Genuine Subaru Outer Timing Cover Gasket 13594AA052 (Fits: 2003 Subaru Legacy)
QUIRKNHPARTS. TRUSTED SELLER. PARTS SOLD AS QUANTITY 1Brand New: Subaru$14.81Free shipping52 sold01 - 04 Subaru Outback H6 3.0L Outer Timing Chain Cover OEM 13117AA004 (Fits: 2003 Subaru Legacy)
Pre-Owned: Subaru$189.99Was: $199.99or Best OfferFree shippingOEM 02-05 Subaru Pressure Control Valve PCV Baja Legacy Outback NEW 42084AE19A (Fits: 2003 Subaru Legacy)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$77.36Free shippingOnly 2 leftSubaru Oil Seals Kit Cam & Crank Impreza Forester Outback Legacy Baja SOHC OEM (Fits: 2003 Subaru Legacy)
Brand New: Subaru$24.95Free shippingOnly 1 left!OEM GENUINE SUBARU FORESTER LEGACY OUTBACK CRANKSHAFT POSITION SENSOR 22053AA053 (Fits: 2003 Subaru Legacy)
Brand New: Subaru$77.64or Best OfferFree shipping3 watchingOEM Subaru EJ253 Head Gasket Set 2.5 SOHC 1999+ Impreza Outback Legacy Forester (Fits: 2003 Subaru Legacy)
Brand New: Subaru$81.39or Best OfferFree shippingOnly 3 leftOEM Subaru Head Gasket Kit 2.5 SOHC 1999 & Up Legacy Forester Outback Impreza (Fits: 2003 Subaru Legacy)
Brand New: Subaru$134.99Free shippingOEM 1995-2006 Subaru Engine Oil Pump Strainer Tube Impreza Legacy NEW 15050AA050 (Fits: 2003 Subaru Legacy)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$30.74Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingOnly 1 left!Genuine Subaru Oil Separator Cover And Bolts Set 800406140/800406150/11831AA210 (Fits: 2003 Subaru Legacy)
Brand New: Subaru$31.20or Best OfferFree shippingOEM Genuine Subaru Head Gasket Kit Legacy Forester Outback Impreza Baja w/ seals (Fits: 2003 Subaru Legacy)
Brand New: Subaru$134.99Free shippingOEM 1990-2012 Subaru Rear Cam Plug Seal SOHC Legacy Impreza Forester 807045040 (Fits: 2003 Subaru Legacy)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$8.81Trending at $12.64eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shipping68 soldGenuine OEM Subaru Head Bolts Kit Impreza Forester Outback Legacy Baja SOHC (Fits: 2003 Subaru Legacy)
Brand New: Subaru$68.99Free shippingOEM 2002-2006 Subaru PCV Vacuum Hose Baja Legacy Outback 2.5L NEW 99071AB73B (Fits: 2003 Subaru Legacy)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$13.83Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shipping122 soldOEM 1990-2011 Subaru Oil Pan Gasket Seal Impreza WRX Legacy Forester 11122AA340 (Fits: 2003 Subaru Legacy)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$19.41Free shippingDriver Left Cylinder Head 2.5L Without Turbo Fits 99-04 IMPREZA 350368 (Fits: 2003 Subaru Legacy)
CYLINDER HEAD ONLY, MUST SUBMIT VIN TO SHIPPre-Owned: Subaru$224.99Free shippingOEM 2 PCS 11044AA770 Cylinder Head Gasket Set For SUBARU 2.5 WRX STI 11044-AA642 (Fits: 2003 Subaru Legacy)
Brand New: Subaru$43.89Trending at $58.41eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shipping2 watching