Exhaust & Emission Systems for 2004 Subaru Legacy
Find parts that fit
We need more information about your vehicle to confirm fit.
2004
Subaru
Legacy
Shop by Popular Categories
SPONSOREDSPONSOREDSPONSOREDSPONSOREDSPONSORED
All
Auction
Buy It Now
6,782 Results
Catalytic Converter for 2002-2004 Subaru Legacy
US Convertors PN# 114001-KF FREE SHIPPING/EPA CompliantBrand New$245.00Free shippingCatalytic Converter for 2004 Subaru Legacy
US Convertors PN# 114001-KJ FREE SHIPPING/EPA CompliantBrand New$245.00Free shippingCatalytic Converter for 2004 Subaru Legacy
US Convertors PN# 114001-KK FREE SHIPPING/EPA CompliantBrand New$245.00Free shippingCatalytic Converter for 2004-2005 Subaru Legacy
US Convertors PN# 114001-JY FREE SHIPPING/EPA CompliantBrand New$245.00Free shippingFor 1999-2005 Subaru Impreza/Forester/Legacy 2.5L Catalytic Converter w/Gasket (Fits: 2004 Subaru Legacy)
Brand New$39.24Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingExhaust System Kit compatible with Subaru 2000-2004 Outback Legacy 2.5L (Fits: 2004 Subaru Legacy)
Northeastern Stainless Steel-Limited Lifetime WarrantyBrand New$209.84143 soldCatalytic Converter For 1999-2005 Subaru Forester Impreza & 2003-2006 Baja 2.5L (Fits: 2004 Subaru Legacy)
Brand New$39.29or Best OfferFree shippingPCV Valve For Subaru Outback Legacy Impreza Forester WRX STI 02-16 11810-AA040 (Fits: 2004 Subaru Legacy)
Brand New: Unbranded$9.74Free shippingDenso Downstream Oxygen Sensor for 1999-2004 Subaru Legacy 2.2L 2.5L H4 fp (Fits: 2004 Subaru Legacy)
No connector included - Must rewire existing connectorBrand New: DENSO$53.30Was: $106.49Fits 1999-2004 Subaru Forester Impreza Legacy 2.5L Downstream Oxygen 02 Sensor
Brand New$16.49or Best OfferFree shippingSubaru Legacy Impreza Outback 2.5L Passenger Side Catalytic Converter 2004 2005 (Fits: 2004 Subaru Legacy)
INCLUDES REAR GASKETS AND HARDWAREBrand New$179.78Free shippingCatalytic Converter for 2004-2005 Subaru Legacy
US Convertors PN# 114001-KI FREE SHIPPING/EPA CompliantBrand New$245.00Free shippingNew Catalytic Converter For 2004-2005 Subaru Legacy Outback Passenger Side 2.5L (Fits: 2004 Subaru Legacy)
Federal-EPA or 46-State LegalBrand New: EvanFischer$222.33Was: $237.91Free shipping111 soldCatalytic Converter for 2004-2005 Subaru Legacy
US Convertors PN# 114001-JX FREE SHIPPING/EPA CompliantBrand New$245.00Free shipping40237 Catalytic Converter For Subaru Outback / Forester / Legacy 2000-2005 2.5L (Fits: 2004 Subaru Legacy)
Brand New: Unbranded$58.23Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shipping6 watchingFits 04-05 Subaru Legacy California Emission Automatic Trans Catalytic Converter (Fits: 2004 Subaru Legacy)
Brand New: Mac Tools$679.00Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Upstream Oxygen Sensor for 2003-2004 Subaru Forester Impreza Legacy Outback Baja (Fits: 2004 Subaru Legacy)
Brand New$44.88or Best OfferFree shippingSubaru Legacy Impreza Outback 2.5L Driver Side Catalytic Converter 2004 2005 (Fits: 2004 Subaru Legacy)
SHIPPED IN 2 PIECES FOR SHIPPING & INSTALLATION CONVIENBrand New$229.78Free shippingLABLT Catalytic Converter For 1999-2005 Subaru Forester Impreza Legacy Outback (Fits: 2004 Subaru Legacy)
Brand New$39.77or Best OfferFree shippingLegacy Outback 2.5L Catalytic Converter Fit For 99-06 Baja Forester Impreza (Fits: 2004 Subaru Legacy)
Brand New$48.59Free shipping27 soldFor 1999-05 Subaru Impreza/Forester/Legacy 2.5L Catalytic Converter w/Gasket (Fits: 2004 Subaru Legacy)
Brand New$39.86or Best OfferFree shipping2" Exhaust Muffler Flange Pipe Repair Spherical Joint Semi Direct Fit Kit (Fits: 2004 Subaru Legacy)
Brand New: Bear$29.26Free shipping973 sold2PCS Oxygen Sensor Replace for Subaru Impreza Legacy Outback Forester 234-4732 (Fits: 2004 Subaru Legacy)
Brand New: Aero$25.11Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
453 soldFor 2004-2010 Subaru Legacy Impreza 2.5L Downstream 02 O2 Oxygen Sensor (Fits: 2004 Subaru Legacy)
Brand New$17.47Was: $18.99or Best OfferFree shippingCatalytic Converter Fits 2004-2005 Subaru Legacy (Fits: 2004 Subaru Legacy)
USC PN# 114001-AO - Fits Front - SHIPS FREE!!Brand New$208.25Was: $245.00Free shippingCatalytic Converter Fits 2004-2005 Subaru Legacy (Fits: 2004 Subaru Legacy)
USC PN# 114001-FP - Fits Front - SHIPS FREE!!Brand New$208.25Was: $245.00Free shippingFront Catalytic Converter for 2004-2005 Subaru Legacy (Fits: 2004 Subaru Legacy)
US Convertors PN# 114001-FP FREE SHIPPING/EPA CompliantBrand New$245.00Free shippingFITS: 2000-2001-2002-2003-2004 Subaru Legacy 2.5L Catalytic Converter (Fits: 2004 Subaru Legacy)
Brand New: Globe$133.20Was: $166.50Free shippingExhaust Catalytic Converter For 1999-2005 Subaru Forester 2000-2005 Outback 2.5L (Fits: 2004 Subaru Legacy)
Brand New$39.54Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shipping4 watchingFits Subaru Exhaust Manifold Stud & Nut Kit WRX STI Legacy Impreza Forester + (Fits: 2004 Subaru Legacy)
Brand New$12.69Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shipping115 sold2000-2004 Subaru Legacy Outback Vent Canister Valve 42084FA120F OEM
Pre-Owned: Subaru$42.09Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $46.77Free shippingOEM NEW 2000-2004 Subaru Legacy Exhaust Rear Floor Pan Heat Shield 59024AE010 (Fits: 2004 Subaru Legacy)
NEW OEM PARTS. TRUSTED FOR 17+ YEARS! QUIRKPARTSBrand New: Subaru$66.62For 2000-2004 Subaru Outback Legacy 2.5L Downstream Oxygen O2 02 Sensor (Fits: 2004 Subaru Legacy)
Brand New$17.47Was: $18.99or Best OfferFree shippingFit For 2000-2005 Subaru Outback/Forester/Legacy Catalytic Converter 2.5L (Fits: 2004 Subaru Legacy)
Brand New$94.99Was: $99.99or Best OfferFree shipping72 sold2000-2004 Subaru Legacy Outback Vapor Canister 42036AC020 OEM
Pre-Owned: Subaru$70.04Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $77.82Free shippingGENUINE OEM SUBARU LEGACY OUTBACK IMPREZA EXHAUST CENTER PIPE SPRING BOLT KIT (Fits: 2004 Subaru Legacy)
Brand New: Subaru$23.93or Best OfferFree shippingFor 1999-2005 Subaru Forester Impreza Legacy Outback Catalytic Converter 40237 (Fits: 2004 Subaru Legacy)
Brand New$39.52or Best OfferFree shippingCar Rear Dual Exhaust Pipe Tail Muffler Tip Auto Accessories Replace Kit Black (Fits: 2004 Subaru Legacy)
Brand New$18.97Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingFits 2003-2004 Subaru Outback 2.5L 2 Pcs Upstream & Downstream Oxygen O2 Sensors (Fits: 2004 Subaru Legacy)
Brand New$42.99or Best OfferFree shipping16 soldNew OEM SUBARU 4 CYL H4 WRX & STI IMPREZA Complete Control Valve 11810AA040 - x1 (Fits: 2004 Subaru Legacy)
Brand New: Subaru$17.25Trending at $19.98eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shippingWalker 35129 Exhaust Bolt & Spring for Hardware fj (Fits: 2004 Subaru Legacy)
The #1 Seller of Genuine Walker Parts on eBayBrand New: Walker$13.58Was: $27.24Only 1 left!Rear Muffler For 2000-2004 Subaru Legacy Wagon 2.5L H4 2001 2002 2003 G977JG (Fits: 2004 Subaru Legacy)
API - 2.5L H4 Wagon - Free ShippingBrand New: API$95.9916 soldFit For 2000-2005 Subaru Outback/Forester/Legacy Catalytic Converter 2.5L (Fits: 2004 Subaru Legacy)
Brand New$62.79Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $66.10Free shippingCatalytic Converter For 1999-2005 Subaru Impreza/Forester/Legacy 2.5L (Fits: 2004 Subaru Legacy)
Brand New: Unbranded$52.86Upstream Oxygen O2 Sensor for 04-09 Subaru Legacy Outback 06-11 Forester Impreza (Fits: 2004 Subaru Legacy)
Brand New$49.99or Best OfferFree shippingCar Rear Exhaust Pipe Tail Muffler Tip Auto Accessories Replace Kit Blue OXILAM (Fits: 2004 Subaru Legacy)
Brand New$16.59Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $19.99or Best OfferFree shippingCatalytic Converter For Subaru Outback / Forester / Legacy 2000-2005 2.5L 40237 (Fits: 2004 Subaru Legacy)
Brand New$53.99Was: $60.72or Best OfferFree shippingOEM DENSO 234-4446 Oxygen Sensor For Subaru Outback, Legacy Position: Downstream (Fits: 2004 Subaru Legacy)
Brand New: DENSO$48.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Trending at $56.78eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.29 soldStainless Steel Exhaust Muffler fits: 00-2004 Subaru Outback Legacy Sedan (Fits: 2004 Subaru Legacy)
Northeastern Stainless Steel - LimitedLifetime WarrantyBrand New$99.74Stainless Steel Exhaust System Kit fits: Subaru 2000-2004 Outback Legacy 2.5L (Fits: 2004 Subaru Legacy)
Northeastern Stainless Steel-Limited Lifetime WarrantyBrand New$204.84Trending at $209.84eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.30 sold2" ID Catalytic Converter For 1999-2005 Subaru Impreza Forester Legacy Outback (Fits: 2004 Subaru Legacy)
Brand New$66.20Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $69.68or Best OfferFree shippingFront Catalytic Converter for 2004-2005 Subaru Legacy (Fits: 2004 Subaru Legacy)
US Convertors PN# 114001-AO FREE SHIPPING/EPA CompliantBrand New$245.00Free shippingCatalytic Converters Front & Rear for Subaru Legacy Outback Forester Impreza (Fits: 2004 Subaru Legacy)
Hassle Free Returns. Free Fast Shipping.Brand New: EvanFischer$185.50Free shipping48 sold