Exhaust & Emission Systems for 2004 Audi S4
The following parts fit a 2004 Audi S4 |Go to My Garage
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1,141 Results
2004 Audi S4 4.2L Right EGR Valve 078131102F
FAST N FREE SHIPPING ~ 30 DAY WARRANTYC $144.34Was: C $164.02or Best OfferC $23.35 shippingAudi K04 KO4 RS4 XLC HUGE A6 S6 S4 B5 ALLROAD 2.7T 1998-2004 STAGEII UPGRADE C5
C $1,228.89or Best OfferC $124.39 shipping2000-2004 Audi B5 S4 C5 A6 Allroad 2.7T EGT Sensor OEM 078 919 529D
C $123.03or Best OfferC $18.18 shippingAUDI S4 4.2L V8 PASSENGER - Exhaust Manifold 079253034A 2004-2008 (Fits: 2004 Audi S4)
C $56.58Was: C $61.50or Best OfferC $52.60 shippingCatalytic Converter 21146 Fits: 2004-2009 Audi S4 Fits: 2004-2009 Audi S4
21146 | FREE SHIPPING | MADE IN CANADA | EPA APPROVED |C $663.58Free shippingAudi A4 S4 B6 8E 8H 1.8T Essence 2004 Pompe à Air Secondaire 06A959253B
C $57.60or Best OfferC $51.99 shippingSst Flap Control Fits for Audi S4/RS4 8E Yr 2004-2009
C $309.22Free shipping2 pc Bosch Downstream Oxygen Sensors for 2004-2009 Audi S4 4.2L V8 O2 sn (Fits: 2004 Audi S4)
The #1 Seller of Genuine Bosch Parts on eBayC $246.37Was: C $492.77C $26.81 shippingCatalytic Converter Fits 2004 2005 2006 2007 Audi S4 (Fits: 2004 Audi S4)
21146-AC AB Catalytic | 5YR Warranty | FREE ShippingC $663.58Free shippingCatalytic Converter Fits 2004 Audi S4 Base (Fits: 2004 Audi S4)
21147-AE I FREE SHIPPING I Made in Canada I EPA ApproveC $663.58Free shippingMagnaFlow 99235HM-IT for 2004-2007 Audi S4 (Fits: 2004 Audi S4)
MESSAGE US FOR BETTER THAN ADVERTISED PRICING!!C $248.78C $60.00 shippingCatalytic Converter Fits 2004 Audi S4 Base 4.2L V8 GAS DOHC (Fits: 2004 Audi S4)
21147-AB I FREE SHIPPING I Made in Canada I EPA ApproveC $663.58Free shippingBosch OEM Upstream O2 02 Sensor for 2004 - 2008 Audi S4 TT (Fits: 2004 Audi S4)
C $101.45C $17.54 shippingOnly 1 left!For Audi RS7 RS6 RS5 RS4 RS3 Car Akrapovic Exhaust Tip Carbon Fiber Muffler Pipe (Fits: 2004 Audi S4)
C $434.62Was: C $482.92Free shipping16 soldDorman Vapor Canister Purge Valve for 2004-2009 Audi S4 4.2L V8 Emission yp (Fits: 2004 Audi S4)
The #1 Seller of Genuine Dorman Parts on eBayC $55.57Was: C $111.05C $16.18 shippingSeries Stainless Cat-back System fits 2004-2005. Audi S4
C $1,230.25or Best OfferC $205.04 shipping2004-2009 Audi S4 4.2 Secondary Air Injection (SAI) Pump Hose (Fits: 2004 Audi S4)
C $32.79or Best OfferCatalytic Converter Fits 2004 Audi S4 Base (Fits: 2004 Audi S4)
21147-AE AB Catalytic | 5YR Warranty | FREE ShippingC $663.58Free shippingCatalytic Converter Fits 2004 Audi S4 Base (Fits: 2004 Audi S4)
21147-AE AB Catalytic | 5YR Warranty | FREE ShippingC $677.12Free 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 ShippingC $52.46Was: C $82.00C $27.90 shipping467 sold2004 2005 AUDI S4 B6 4.2L SECONDARY AIR PUMP BRACKET OEM
C $39.57C $53.82 shippingSTAINLESS STEEL DUAL EXHAUST TIPS 3.5 2.5 FOR Audi A4 S4 A6 A8 Quattro S6 S7 S8 (Fits: 2004 Audi S4)
PART SHIPS FEDEX EXPRESS 1-2DAY SERVICE FROM MICHIGAN!!C $201.49C $30.11 shipping53 sold04-09 Audi S4 4.2L V8 Secondary Air Injection Hose 8E0133817F (Fits: 2004 Audi S4)
C $40.99C $25.73 shippingCatalytic Converter Fits 2004 Audi S4 Cabriolet (Fits: 2004 Audi S4)
21147-AF I FREE SHIPPING I Made in Canada I EPA ApproveC $663.58Free shippingMagnaFlow 24317 Direct-Fit Catalytic Converter for 04-06 Audi S4 4.2L (Fits: 2004 Audi S4)
C $1,317.74C $143.75 shipping4 watchingCatalytic Converter Fits 2004 Audi S4 Cabriolet 4.2L V8 GAS DOHC (Fits: 2004 Audi S4)
21147-AC I FREE SHIPPING I Made in Canada I EPA ApproveC $663.58Free shippingCatalytic Converter 21147 Fits: 2004-2009 Audi S4 Fits: 2004-2009 Audi S4
21147 | FREE SHIPPING | MADE IN CANADA | EPA APPROVED |C $663.58Free shippingOxygen Sensor For 2000-2002 Audi S4 2003-2004 Audi RS6 Downstream 4-Wire
Hassle Free Returns. Free Fast Shipping.C $40.61C $20.74 shippingOE GENUINE Oxygen Sensor 0258007275 For Audi TT S4 S4 A8 Quattro VW A8 Quattro (Fits: 2004 Audi S4)
C $60.45Was: C $65.57C $16.32 shippingO2 sensor for Audi B6 B7 S4 4.2L 03-08 BBK PostCAT Oxygen EGO Lambda 2 Yr Wty (Fits: 2004 Audi S4)
C $100.85Was: C $112.06C $31.72 shippingMagnaFlow f2.5" Cat Back Exhaust System Fits Audi S4 - Performance SS Tip (Fits: 2004 Audi S4)
C $2,256.97or Best OfferC $2,058.60 shippingFor VW Golf AUDI A6 TT 3.0L 1C0906517A BOSCH Vapor Canister Purge Valve Jetta (Fits: 2004 Audi S4)
C $33.49or Best OfferFree shipping2004 Audi S4 4.2L Left Exhaust Manifold 079253033A (Fits: 2004 Audi S4)
FAST N FREE SHIPPING ~ 30 DAY WARRANTYC $121.48Was: C $138.05or Best OfferC $53.84 shippingCatalytic Converter Fits 2004 Audi S4 Base (Fits: 2004 Audi S4)
21147-AE AB Catalytic | Limited Warranty | FREE ShippinC $663.58Free shippingBOSCH Vapor Canister Purge Valve Emission 0280142353 For AUDI A4 A6 TT VW Golf (Fits: 2004 Audi S4)
C $32.60Was: C $36.22or Best OfferC $15.50 shippingOnly 1 left!Catalytic Converter for 2004-2007 Audi S4 (Fits: 2004 Audi S4)
MagnaFlow Part No. 24317-AG | FREE SHIPPING!!!C $1,291.00Free shippingHYBRID RS6 2.7L AUDI TT RS4 B5 S4 Turbo 2.7TT GASKET SET KO4 RS6 B5S4 2.7 (Fits: 2004 Audi S4)
C $12.29C $34.17 shipping52 soldOE GENUINE Oxygen Sensor 17353 For 2004-2009 Audi S4 Cabriolet 4.2L (Fits: 2004 Audi S4)
C $73.71Was: C $79.90C $16.72 shipping2 watchingFor Audi A8 Quattro S4 VW Jetta Vapor Canister Purge Valve 0280142353 1C0906517A (Fits: 2004 Audi S4)
C $15.80Was: C $17.55Free shippingFor 2004-2009 Audi S4 Air Pump Check Valve 35722WG 2005 2006 2007 2008 (Fits: 2004 Audi S4)
C $57.34C $32.67 shippingMagnaflow HM Grade Federal/EPA Direct-Fit Catalytic Converter For 04-09 Audi S4 (Fits: 2004 Audi S4)
C $1,447.60or Best OfferC $126.84 shippingAUDI S4 4.2L V8 DRIVER - Exhaust Manifold 079253033A 2004-2008 (Fits: 2004 Audi S4)
C $56.58Was: C $61.50or Best OfferC $57.52 shippingOE GENUINE Oxygen Sensor 17353 For 2002-2004 Audi A6 Quattro Avant 3.0L (Fits: 2004 Audi S4)
C $74.73Was: C $78.61C $16.75 shippingOnly 1 left!OE GENUINE Oxygen Sensor O2 17353 For Audi A4 A6 S4 TT Quattro Volkswagen Beetle (Fits: 2004 Audi S4)
C $70.99Was: C $76.96C $16.64 shipping3 watchingBOSCH Vapor Canister Purge Valve Emission 058133517B For AUDI A4 A6 TT VW Golf (Fits: 2004 Audi S4)
C $37.32or Best OfferFree shipping7 watchingDorman 911-800 Vapor Canister Purge Valve (Fits: 2004 Audi S4)
C $29.95or Best OfferC $11.70 shippingFor 2004 Audi S4 Vacuum Control Valve SMP 307KL29 (Fits: 2004 Audi S4)
C $75.55C $16.77 shippingNGK / NTK Oxygen Sensor 2004 2005 2006 2007 2008 2009 AUDI A6 A8 QUATRO S4 Rear
C $21.39C $15.17 shipping15 soldSecondary Air Injection Pump Check Valve SMP For 2004-2010 Audi S4 (Fits: 2004 Audi S4)
C $32.82C $15.51 shippingCatalytic Converter for 2004 Audi S4 Base (Fits: 2004 Audi S4)
35502-AE | Made in Canada, 5YR Warranty & FREE ShippingC $663.58Free shippingMagnaFlow 99235HM-IS for 2004-2007 Audi S4 (Fits: 2004 Audi S4)
MESSAGE US FOR BETTER THAN ADVERTISED PRICING!!C $248.78C $60.00 shipping