Exhaust & Emission Systems for 2004 Audi S4
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2004
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3,068 Results
MagnaFlow 441204-OC for 2004 Audi S4
MESSAGE US FOR BETTER THAN ADVERTISED PRICING!!Brand New: MagnaFlow$585.00Free shipping2004-2005 Audi B6 S4 Milltek Sport Catback Exhaust for 4.2L V8 Exhaust Set Used
Pre-Owned: Audi$749.99$119.99 shipping15 watching2000-2004 Audi B5 S4 C5 A6 Allroad 2.7T EGT Sensor OEM 078 919 529D
Pre-Owned: Audi$90.00or Best OfferFree shippingMagnaFlow 51235-ID Catalytic Converter for 2004-2007 Audi S4 (Fits: 2004 Audi S4)
Catalytic Converter for 2004-2007 S4Brand New: MagnaFlow$197.002004-2009 AUDI S4 4.2L - EGR Valve HOSE / LINE SET 8E0133817A (Fits: 2004 Audi S4)
Pre-Owned: Audi$33.00Free shipping2004-2009 Audi S4 4.2 Secondary Air Injection (SAI) Pump Hose (Fits: 2004 Audi S4)
Pre-Owned: Audi$23.99Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shipping2004-2009 AUDI S4 4.2L - Right Exhaust Manifold 079253034A (Fits: 2004 Audi S4)
Pre-Owned: Audi$27.50Free shippingCatalytic Converter Fits 2004-2007 Audi S4 (Fits: 2004 Audi S4)
21146-AC I FREE SHIPPING I Made in Canada I EPA ApproveBrand New$431.33Free shipping5 watching2004-2008 AUDI S4 - Charcoal Canister HOSE / LINE 8E0201946H (Fits: 2004 Audi S4)
Pre-Owned: Audi$22.99Free shipping2004-2009 AUDI S4 4.2L - EGR Combi Valve HOSE / LINE 079133817C (Fits: 2004 Audi S4)
Pre-Owned: Audi$19.99Free shippingB6 B7 Audi S4 Engine Exhaust Header Right 079253034A (Fits: 2004 Audi S4)
Pre-Owned: Audi$39.99Was: $49.99Free shipping2004 Audi S4 4.2L Right EGR Valve 078131102F
FAST N FREE SHIPPING ~ 30 DAY WARRANTYPre-Owned: Audi$107.99Was: $119.99or Best OfferFree shippingAir Flow Meter Fits 04-09 AUDI S4 74072 (Fits: 2004 Audi S4)
90 DAY MONEY BACK GUARANTEE!! 100% TESTED PARTS!!Pre-Owned: Audi$92.99or Best OfferFree shippingMagnaFlow 2004-2006 Audi S4 Cat-Back Performance Exhaust System
Brand New: MagnaFlow$1,546.00Free shippingOEM Vapor Canister Purge Valve Emission 6QE906517A For VW GOLF AUDI A4 S4 (Fits: 2004 Audi S4)
Brand New: Audi$29.33or Best OfferFree shippingOnly 1 left!Audi K04 KO4 RS4 XLC HUGE A6 S6 S4 B5 ALLROAD 2.7T 1998-2004 STAGEII UPGRADE C5
Brand New: XS Power$899.00or Best OfferBosch OEM Upstream O2 02 Sensor for 2004 - 2008 Audi S4 TT (Fits: 2004 Audi S4)
Brand New: Bosch$74.22Top Rated Plus- Sellers with highest buyer ratings
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Free shippingOnly 1 left!OE GENUINE Oxygen Sensor 0258007275 For Audi TT S4 S4 A8 Quattro VW A8 Quattro (Fits: 2004 Audi S4)
New (Other): OE+$44.22Top Rated Plus- Sellers with highest buyer ratings
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Was: $47.97Free shipping2004-2005 Audi B6 S4 4.2L V8 Exhaust Manifold Boysen Right 079253034A Used OEM
Pre-Owned: Audi$34.99$14.99 shipping2004-2006 AUDI S4 4.2L - Secondary AIR PUMP HOSE / PIPE 079121070J (Fits: 2004 Audi S4)
Pre-Owned: Audi$54.99Free shipping2002-2004 AUDI S6 - EGR / Engine Combi Valve 079131102L (Fits: 2004 Audi S4)
Pre-Owned: Audi$34.99Free shipping234-4874 O2 Oxygen Sensor for VW Beetle Phaeton Passat Jetta Golf Audi A4 S4 A6 (Fits: 2004 Audi S4)
Brand New$28.89Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shipping3 watchingMAGNAFLOW 2004-2005 AUDI S4 SEDAN AVANT WAGON 4.2L V8 2.5" INCH CATBACK EXHAUST (Fits: 2004 Audi S4)
Brand New: MagnaFlow$1,546.00HYBRID RS6 2.7L AUDI TT RS4 B5 S4 Turbo 2.7TT GASKET SET KO4 RS6 B5S4 2.7 (Fits: 2004 Audi S4)
Brand New: XS Power$8.99$2.50 shipping52 soldOxygen Sensor For 2000-2002 Audi S4 2003-2004 Audi RS6 Downstream 4-Wire
Hassle Free Returns. Free Fast Shipping.Brand New: Perfect Fit$30.62Free shippingMagnaFlow 24317 Direct-Fit Catalytic Converter for 04-06 Audi S4 4.2L (Fits: 2004 Audi S4)
Brand New: MagnaFlow$964.00$17.00 shipping4 watchingMagnaFlow 49917 Direct-Fit Catalytic Converter for 2004-2006 Audi S4 4.2L (Fits: 2004 Audi S4)
Brand New: MagnaFlow$1,012.00$17.00 shippingMagnaFlow 441204-OD for 2004 Audi S4
MESSAGE US FOR BETTER THAN ADVERTISED PRICING!!Brand New: MagnaFlow$585.00Free shipping04-09 AUDI S4 Right Secondary Air Injection Pump F3910 (Fits: 2004 Audi S4)
Pre-Owned: Audi$403.92Was: $459.00or Best OfferFree shipping4" Flat Tip N1 Style [Loud&Deep] Stainless Steel Muffler Exhaust w/ Silencer +Hp (Fits: 2004 Audi S4)
⭐️400+ Sold✅Money Back Guarantee✅Same Day ShippingBrand New: Spec-D Tuning$35.38Top Rated Plus- Sellers with highest buyer ratings
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Was: $59.99Free shipping461 soldBosch OEM Oxygen O2 Sensor for Audi A4 A6 S4 TT/ VW Beetle Golf Jetta Passat (Fits: 2004 Audi S4)
New (Other): Bosch$40.99Trending at $50.17eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shippingOnly 3 leftMagnaFlow 16586 Sport Series Catback Exhaust for 2004-2006 Audi S4 4.2L V8 (Fits: 2004 Audi S4)
Fast and Free Shipping. Easy Returns. Great service.Brand New: MagnaFlow$1,597.05OE GENUINE Oxygen Sensor 17353 For 2002-2004 Audi A6 Quattro Avant 3.0L (Fits: 2004 Audi S4)
New (Other): OE+$54.67Top Rated Plus- Sellers with highest buyer ratings
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Was: $57.51Free shippingOnly 1 left!5XCar 2 Bolt High Temp Exhaust Gasket Flange 2.5in cylinder head gasket Aluminum (Fits: 2004 Audi S4)
Brand New: Unbranded$4.29Top Rated Plus- Sellers with highest buyer ratings
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Free shipping13 soldMagnaFlow 99235HM-IT for 2004-2007 Audi S4 (Fits: 2004 Audi S4)
MESSAGE US FOR BETTER THAN ADVERTISED PRICING!!Brand New: MagnaFlow$182.00Free shippingLeft Catalytic Converter for 2004-2007 Audi S4 (Fits: 2004 Audi S4)
MagnaFlow Part No. 24317-AG FREE SHIPPING!!!Brand New: MagnaFlow$915.80Was: $964.00Free shipping2002-2008 Audi A4/S4 Rear Muffler Vacuum Hose 8E0131377D (Fits: 2004 Audi S4)
Brand New: Audi$39.00or Best Offer$6.01 shippingFor 2000-2002, 2004-2008 Audi S4 Secondary Air Injection Relay SMP 58571PQYZ
Brand New: Standard Motor Products$18.28Free shippingCanister Purge Solenoid/Purge Valve For 2005-2009 Kia Spectra5, Hyundai Tucson (Fits: 2004 Audi S4)
Brand New: Unbranded$10.40Top Rated Plus- Sellers with highest buyer ratings
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Free shippingCanister Purge Solenoid/Purge Valve For 1999-05 Hyundai Sonata, Volkswagen Jetta (Fits: 2004 Audi S4)
Brand New: Unbranded$10.40Top Rated Plus- Sellers with highest buyer ratings
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Free shipping2003-2005 AUDI S4 B6 4.2 V8 EGR VALVES OEM PAIR LEFT RIGHT 078131102F
Pre-Owned: Audi$39.99$10.80 shippingOE GENUINE Oxygen Sensor 17353 For 2004-2009 Audi S4 Cabriolet 4.2L (Fits: 2004 Audi S4)
New (Other): OE+$53.92Top Rated Plus- Sellers with highest buyer ratings
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Was: $58.45Free shipping2 watching04-08 AUDI S4 CENTER EXHAUST HANGER BRACKET 8E0253463F (Fits: 2004 Audi S4)
Pre-Owned: Audi$22.99Was: $24.99or Best OfferFree shippingOxygen Sensor Set For 2004 05 06 07 2008 Audi S4 4.2L 8Cyl Upstream 2Pc (Fits: 2004 Audi S4)
Hassle Free Returns. Free Fast Shipping.Brand New: Perfect Fit$80.95Was: $120.05Free shipping2004-2009 AUDI S4 4.2L EMISSION SYSTEM EGR VALVE HOSE PIPE LINE TUBE OEM 17853
Pre-Owned: Audi$21.24Was: $24.99or Best Offer$8.00 shippingFor Audi A8 Quattro S4 VW Jetta Vapor Canister Purge Valve 0280142353 1C0906517A (Fits: 2004 Audi S4)
Brand New: Unbranded$11.56Top Rated Plus- Sellers with highest buyer ratings
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Was: $12.84Free shippingMagnaFlow Sport Series Stainless Cat-Back System Fits 2004-2006 Audi S4 (Fits: 2004 Audi S4)
16586-AE Fits: 2004-2006 Audi S4 Fits 2004-2006 Audi S4Brand New: MagnaFlow$1,546.00Catalytic Converter-Direct Fit Converter AP Exhaust fits 04-09 Audi S4 4.2L-V8 (Fits: 2004 Audi S4)
Brand New: AP Exhaust$631.58Top Rated Plus- Sellers with highest buyer ratings
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04-09 Audi S4 4.2L V8 Secondary Air Injection Hose 8E0133817F (Fits: 2004 Audi S4)
Pre-Owned: Audi$29.99Free shipping234-4874 O2 Oxygen Sensor for Audi A4 S4 A6 VW Beetle Phaeton Passat Jetta Golf (Fits: 2004 Audi S4)
Brand New$15.28Top Rated Plus- Sellers with highest buyer ratings
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or Best Offer34 sold2004-2005 Audi B6 S4 4.2L V8 Exhaust Manifold Boysen Left 079253033A Used OEM
Pre-Owned: Audi$34.99$14.99 shippingCanister Purge Solenoid Valve For Hyundai Accent 1995-2005 Kia Sportage 2005-10 (Fits: 2004 Audi S4)
Brand New: Unbranded$10.40Top Rated Plus- Sellers with highest buyer ratings
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Free shippingBOSCH Vapor Solenoid Canister Purge Valve For VW Jetta Golf Passat Audi A3 A4 A6 (Fits: 2004 Audi S4)
Brand New: Volkswagen$16.59Was: $18.69or Best OfferFree shipping76 soldFor 1999-2005 Volkswagen Jetta Hyundai Sonata Canister Purge Solenoid Valve New (Fits: 2004 Audi S4)
Brand New: Unbranded$10.70Top Rated Plus- Sellers with highest buyer ratings
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Free shippingFront Left & Right Catalytic Converters Manual Transmission for Audi S4 04-09 (Fits: 2004 Audi S4)
Brand New: Mac Tools$1,391.00Top Rated Plus- Sellers with highest buyer ratings
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MagnaFlow 99235HM-LD for 2004-2007 Audi S4
MESSAGE US FOR BETTER THAN ADVERTISED PRICING!!Brand New: MagnaFlow$182.00Free shipping