Exhaust & Emission Systems for Audi A4
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40,296 Results
Catalytic Converter Fits 2010-2013 Audi A4 Quattro (Fits: Audi A4 Quattro)
USC PN# 514024-CD - Fits Front - SHIPS FREE!!Brand New$181.05Was: $213.00Free shippingCatalytic Converter For 2008-16 Audi A4 2.0T/ 2008-11 A5 2.0T/ 2009-12 Q5 2.0T (Fits: More than one vehicle)
Brand New$399.00Top Rated Plus- Sellers with highest buyer ratings
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Was: $600.00or Best OfferCatalytic Converter Fits 2014 Audi A4 Turbo 2.0L L4 GAS DOHC (Fits: Audi A4)
USC PN# 514024-FO - Fits Front - SHIPS FREE!!Brand New$181.05Was: $213.00Free shipping2017-2021 AUDI A4 QUATTRO EVAPORATOR EMISSION FUEL CHARCOAL VAPOR CANISTER OEM (Fits: More than one vehicle)
Pre-Owned: Audi$159.99Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shippingaFe MACH Resonator Bypass Mid-Pipe for 2010-2016 Audi A4 A5 2.0L Turbo (Fits: More than one vehicle)
Brand New: aFe POWER$288.80Was: $304.00Free shippingOnly 1 left!Front Flex Pipe for 2005 - 2009 Audi A4 Quattro Auto Transmission 2.0T (Fits: Audi A4 Quattro)
Brand New: Unbranded$67.99Top Rated Plus- Sellers with highest buyer ratings
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Turbo Manifold fits 1997-2005 Audi A4/A4 Quattro Base Sedan 4D 1.8L I4 (Fits: More than one vehicle)
Brand New: EMUSA$99.99Free shipping16 soldCatalytic Converter For 2009 2010 2011 2012 Audi A4 Quattro 2.0L Turbo (Fits: More than one vehicle)
Brand New: Unbranded$77.79Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shipping49 soldPCV Crankcase Vent Valve For 06F129101P Audi A3 A4 Quattro 2.0L 2006 2007 2008 (Fits: More than one vehicle)
Brand New: Unbranded$14.60Top Rated Plus- Sellers with highest buyer ratings
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Free shipping97 sold12-15 AUDI A4 S4 A5 A6 A7 Q5 FUEL VAPOR EVAPORATOR CHARCOAL CANISTER OEM #4627 (Fits: More than one vehicle)
Pre-Owned: Audi$44.72Trending at $48.98eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.$14.99 shippingBecker-P Stainless Catback Exhaust For 17-19 Audi A4 2.0L B9 (Fits: Audi A4)
Brand New: Custom$163.00Was: $814.99$225.99 shippingOEM Vapor Canister Purge Valve Emission 6QE906517A For VW GOLF AUDI A4 S4 (Fits: More than one vehicle)
Brand New: Audi$29.33or Best OfferFree shippingOnly 1 left!Catalytic Converter for AUDI A4 2009-2013/AUDI A5 2010-2011/AUDI Q5 2011-14 2.0L (Fits: Audi A4)
Brand New$118.50Was: $162.50or Best OfferFree shippingCatalytic Converter Fits 2014 Audi A4 Quattro Sport Turbo 2.0L L4 GAS DOHC (Fits: Audi A4 Quattro)
USC PN# 514024-GE - Fits Front - SHIPS FREE!!Brand New$181.05Was: $213.00Free shippingCatalytic Converter Fits 2014 Audi A4 Quattro Sport Turbo 2.0L L4 GAS DOHC (Fits: Audi A4 Quattro)
USC PN# 514024-FB - Fits Front - SHIPS FREE!!Brand New$181.05Was: $213.00Free shippingCatback Exhaust System fits: 05-09 Audi A4 Quattro 2.0T (Fits: Audi A4 Quattro)
Brand New$599.7466 soldExhaust Front Flex Pipe fits: 2005-2009 Audi A4 2.0L 2WD Automatic Transmission (Fits: Audi A4)
Brand New: Unbranded$67.99Top Rated Plus- Sellers with highest buyer ratings
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Free shippingVapor Canister Purge Valve Solenoid Vent Purge Control Valve For Audi A3 A4 A6 (Fits: More than one vehicle)
Brand New: AUXITO$13.99Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferCatalytic Converter W/Gaskets FOR Audi A4 Quattro VW Passat 1.8L L4 Turbo Only (Fits: More than one vehicle)
Brand New$63.89or Best OfferFree shipping72 soldFlex Resonator Exhaust Pipe fits: 2009-2013 Audi A4 A5 Quattro 2.0L (Fits: More than one vehicle)
Brand New$149.74Only 1 left!Front Flex Pipe fits: 02-03 Audi A4 1.8T Quattro Manual Transmission (Fits: Audi A4 Quattro)
Brand New$89.84Only 1 left!2009-2021 Audi ALLROAD A4 A5 Q5 Quattro 2.0T Engine Catalytic Converter Gaskets
Brand New: Audi$37.99$2.99 shippingOnly 3 leftTURBO MANIFOLD FOR 97-06 AUDI A4/98-05 VW PASSAT 1.8T DEFECTIVE GOODS (Fits: More than one vehicle)
Pre-Owned: Unbranded$128.25Was: $135.00or Best Offer1x Secondary Air Injection Pump For 2000-2004 Audi A4 06A959253B (Fits: More than one vehicle)
Brand New$37.59Top Rated Plus- Sellers with highest buyer ratings
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Free shippingEPA Approved Catalytic Converter For 2009 2010 2011 2012 Audi A4 Quattro 2.0L (Fits: More than one vehicle)
Brand New: Unbranded$73.49Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shipping97-01 Audi A4 B5 2.8 Exhaust Manifold Nuts And Heatshield Bolts Passat Screws
Pre-Owned: Audi$19.99or Best OfferFree shipping2017-2023 AUDI A4 QUATTRO 2.0L EXHAUST SYSTEM FRONT RESONATOR MUFFLER PIPE OEM (Fits: More than one vehicle)
Pre-Owned: Audi$299.99or Best Offer$200.00 shippingCatalytic Converter Fits 2013 Audi A4 Trendy Plus Turbo 2.0L L4 GAS DOHC (Fits: Audi A4)
USC PN# 514024-EU - Fits Front - SHIPS FREE!!Brand New$181.05Was: $213.00Free shippingCatalytic Converter Fits 2005-2006 Audi A4 Cabrio Turbo 1.8L L4 GAS DOHC (Fits: Audi A4)
USC PN# 514019-BT - Fits Front - SHIPS FREE!!Brand New$140.25Was: $165.00Free shippingCatalytic Converter Fits 1998 Audi A4 Base Turbo 1.8L L4 GAS DOHC (Fits: Audi A4)
USC PN# 514019-BQ - Fits Front - SHIPS FREE!!Brand New$140.25Was: $165.00Free shippingNew O2 Oxygen Sensor Downstream For VW Beetle Golf GTI Jetta Audi A4 A8 Quattro (Fits: More than one vehicle)
Brand New: Unbranded$13.11Free shippingCatalytic Converter For 2009 2010 2011 2012 Audi A4 Quattro 2.0L Turbo (Fits: More than one vehicle)
Brand New: Unbranded$74.90Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shippingDirect fit Exhaust Resonator Pipe fits: 2005 - 2009 Audi A4 Quattro 2.0L (Fits: Audi A4 Quattro)
Northeastern Stainless Steel - LimitedLifetime WarrantyBrand New$139.84Only 1 left!02-22 Audi A3 A4 S4 Q5 SQ5 R Vapor Cansiter Purge Solenoid Valve + Hoses OEM
Pre-Owned: Audi$11.99or Best OfferFree shippingFront Flex Pipe fits: 2005 - 2009 Audi A4 Quattro 2.0T (Fits: Audi A4 Quattro)
Brand New$81.84150 soldCatalytic Converter Fits 2015-2016 Audi A4 (Fits: Audi A4)
USC PN# 514024-ET - Fits Front - SHIPS FREE!!Brand New$181.05Was: $213.00Free shippingCatalytic Converter Fits 2014-2016 Audi A4 Quattro (Fits: Audi A4 Quattro)
USC PN# 514024-FW - Fits Front - SHIPS FREE!!Brand New$181.05Was: $213.00Free shipping2009-2013 AUDI A4 A5 (B8 8K 8T) LEFT & RIGHT MUFFLER EXHAUST TIP SET OEM (Fits: Audi A4)
Pre-Owned: Audi$56.99Was: $59.99Free shippingType-H Catback For 97-01 Audi A4 1.8L, 99-06 VW Golf/Jetta 2.0L MK4 By OBX (Fits: Audi A4)
Brand New: OBX Racing Sports$151.60Was: $757.99$210.80 shippingExhaust Resonator Pipe-Resonator Assembly Walker fits 05-09 Audi A4 Quattro (Fits: Audi A4 Quattro)
Brand New: Walker$116.99or Best Offer$37.01 shippingStainless Steel Left Driver Side Muffler fits: 2005-09 Audi A4 Quattro 2.0L 3.2L (Fits: Audi A4 Quattro)
Northeastern Stainless Steel-Limited Lifetime WarrantyBrand New$159.84Front Flext pipe fits: 2002-2005 Audi A4 Quattro 1.8L (Fits: Audi A4 Quattro)
Brand New$89.74Only 1 left!Rear Muffler Bracket Mount Hanger For AUDI A4 A5 B8 A6 C7 A7 A8 8K0 253 144 (Fits: More than one vehicle)
Brand New: Unbranded$12.66Was: $13.47or Best OfferFree shippingFor Audi A4 & A4 QUATTRO 2009-2013 2.0L Turbo Catalytic Converter OBDII Direct (Fits: Audi A4)
Brand New$97.65Was: $108.50or Best OfferFree shippingNew PCV Ventilation Hose Assembly Fit Audi A4 A5 A6 Q5 3.2 06E103217AA CALA CALB (Fits: Audi A4 Quattro)
Brand New$58.29Top Rated Plus- Sellers with highest buyer ratings
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Was: $61.78or Best OfferFree shippingFront Catalytic Converter FIts 2017 2018 Audi A4 2017-2018 A4 Quattro 2.0L Q7 (Fits: More than one vehicle)
Brand New$446.00Top Rated Plus- Sellers with highest buyer ratings
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For 2005 - 2009 Audi A4 Quattro 2.0L FLEX PIPE **AUTOMATIC** 73-1SE-21-05 (Fits: Audi A4 Quattro)
Brand New: Unbranded$67.99Top Rated Plus- Sellers with highest buyer ratings
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10 watchingVapor Canister N80 Purge 0280142431 Valve For Audi A3 A6 A4 A8 Q7 R8 RS4 RS5 S3 (Fits: More than one vehicle)
Brand New: Unbranded$13.99Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shippingSmog Secondary Air Pump Hose & Rubber Mount For VW Golf Jetta Beetle Audi A3 A4 (Fits: Audi A4)
Brand New: Volkswagen$10.42Was: $11.09or Best OfferFree shipping25 watchingEGR Vacuum Solenoid Valve 037906283C For Audi A4 A6 Quattro Beetle Passat (Fits: More than one vehicle)
Brand New$13.25Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shippingAUDI A4 A5 Q5 OEM 2009-2012 2.0 4-CYL ENGINE BLOCK MOTOR TURBO ASSEMBLY (Fits: More than one vehicle)
Pre-Owned: Audi$2,339.22Was: $2,999.00or Best Offer$300.00 shippingVapor Canister Purge Valve For VW Jetta GOlf Audi A4 A6 A8 1C0906517A 0280142353 (Fits: More than one vehicle)
Brand New: Unbranded$15.99Free shipping13 14 15 16 Audi A4 Allroad Fuel Vapor Charcoal Canister Tank 1402 OEM (Fits: More than one vehicle)
Pre-Owned: Audi$43.99Was: $49.9917-19 AUDI A4 Right Muffler W5253612
6 MONTH WARRANTY!CALL US REGARDING FITMENT 916-463-0111Pre-Owned: Audi$179.99or Best Offer$35.00 shippingCatalytic Converter Fits 2005 Audi A4 Quattro Luxury Turbo 1.8L L4 GAS DOHC (Fits: Audi A4 Quattro)
USC PN# 514019-CI - Fits Front - SHIPS FREE!!Brand New$140.25Was: $165.00Free shipping