Exhaust & Emission Systems for 2003 Infiniti QX4
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5,256 Results
Catalytic Converter For 2000-2004 Nissan Pathfinder Front Left and Right Side (Fits: 2003 INFINITI QX4)
Federal-EPA or 46-State LegalBrand New: EvanFischer$294.43Free shipping1997-2003 Fit INFINITI QX4 Rear Catalytic Converters 2 PIECES (Fits: 2003 INFINITI QX4)
Brand New$167.36Was: $185.95$19.95 shippingCatalytic Converter For 1997-2004 Nissan Pathfinder Infiniti QX4 3.5L Rear Set (Fits: 2003 INFINITI QX4)
EPA Approved, 3 - 6 Business Days Delivery GUARANTEED!Brand New$158.99or Best OfferFree shipping106 soldNew Catalytic Converter Rear Passenger Side for 1997-2003 Infiniti QX4 Rear (Fits: 2003 INFINITI QX4)
Federal-EPA or 46-State LegalBrand New: EvanFischer$160.04Was: $169.80Free shippingCar Rear Tail Throat Double Liner Exhaust Muffler Tip Stainless Steel Pipe Chrom (Fits: 2003 INFINITI QX4)
Brand New: Unbranded$30.10Was: $31.68or Best OfferFree shipping70 soldCar Black Stainless Steel 70mm Exhaust Muffler Tail Muffler Tip Pipe Single 1Pc (Fits: 2003 INFINITI QX4)
Brand New: Unbranded$23.45Was: $24.68or Best OfferFree shippingStainless Steel Muffler fits: 2001-2004 Nissan Pathfinder 2001-2003 Infiniti QX4 (Fits: 2003 INFINITI QX4)
Northeastern Stainless Steel - LimitedLifetime WarrantyBrand New$199.74Free shipping107 soldCar Exhaust Pipe Wrap Insulation Glass Fiber Tape Insulation Heat 1.5m Accessory (Fits: 2003 INFINITI QX4)
Brand New: Unbranded$11.59or Best OfferFree shippingFits 2002-2003 Infiniti QX4 3.5L 2 x Upstream & Downstream Oxygen O2 02 Sensors (Fits: 2003 INFINITI QX4)
Brand New$28.49or Best OfferFree shipping76mm Car Chrome Exhaust Pipe Tip Muffler Steel Stainless Trim Tail Tube Mufflers (Fits: 2003 INFINITI QX4)
Brand New: Unbranded$30.30Was: $31.89or Best OfferFree shippingPE Car Heat Shield Mat Auto Turbo Exhaust Muffler Hood Insulation Pad Barrier (Fits: 2003 INFINITI QX4)
Brand New$38.60Top Rated Plus- Sellers with highest buyer ratings
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Was: $42.89or Best OfferFree shippingFit INFINITI QX4 1997-2003 Rear Catalytic Converter Driver Side (Fits: 2003 INFINITI QX4)
Brand New: Exhaust Distribution$95.96$14.95 shippingBosch 15343 Oxygen Sensor for 2001-2003 Infiniti QX4 Pathfinder
Brand New: Bosch$29.95Top Rated Plus- Sellers with highest buyer ratings
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Free shippingCatalytic Converter for 2001 2002 2003 2004 Nissan Pathfinder/Infiniti QX4 3.5L (Fits: 2003 INFINITI QX4)
EPA approve / 3-5 Business Days E.T.A / 99.5+ FeedbackBrand New$193.93or Best OfferFree shippingFit INFINITI QX4 1997-2003 Rear Catalytic Converter Passenger Side (Fits: 2003 INFINITI QX4)
Brand New: Exhaust Distribution$99.85$14.95 shippingCatalytic Converter For 1997-2003 Infiniti QX4 1996-04 Nissan Pathfinder Front (Fits: 2003 INFINITI QX4)
Federal-EPA or 46-State LegalBrand New: EvanFischer$162.79Was: $163.83Free shipping135 soldEGR Vacuum Switch Purge Solenoid For 2001 2002 2003 Infiniti QX4 3.5L 1495631U01
Brand New: Unbranded$11.99Top Rated Plus- Sellers with highest buyer ratings
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Free shippingNEW BOSCH 13651 Oxygen Sensor FOR Infiniti Nissan Pathfinder QX4 2001-2003 (Fits: 2003 INFINITI QX4)
Brand New: Bosch$30.99Top Rated Plus- Sellers with highest buyer ratings
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Trending at $33.90eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Exhaust Muffler Pipe fits 2001-2004 Nissan Pathfinder 2001-2003 Infiniti QX4 (Fits: 2003 INFINITI QX4)
Brand New$100.26Free shippingStainless Steel Exhaust System Kit fits Nissan 01-04 Pathfinder Infiniti QX4 (Fits: 2003 INFINITI QX4)
Brand New$254.74Free shipping135 soldDenso Oxygen Sensor 234-4703 for Nissan Infiniti Pathfinder Pickup QX4 1996-2003
Brand New: DENSO$29.76Free shippingGENUINE OEM NISSAN SENTRA ALTIMA INFINITI OXYGEN SENSOR ADAPTER NUT 20607-P6500 (Fits: 2003 INFINITI QX4)
Brand New: Nissan$13.13or Best OfferFree shipping244 soldFor 2001-2003 Infiniti QX4 Breather Hose Genuine 73388ZC 2002 (Fits: 2003 INFINITI QX4)
Valve Cover to Valve CoverBrand New$62.96Free shippingBosch Oxygen Sensor 15343 for 2001-2003 Infiniti QX4 Nissan Pathfinder UPSTREAM (Fits: 2003 INFINITI QX4)
Brand New: Bosch$22.95Estimated delivery dateEst. delivery Fri, May 17Front Left & Right Resonators For Infiniti QX4 2002-2003 & PATHFINDER 2002-2004 (Fits: 2003 INFINITI QX4)
Brand New: Mac Tools$166.00Top Rated Plus- Sellers with highest buyer ratings
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2X Chrome 3 Inch 76mm Tail Pipe Trim For Car Rear Muffler Tail Exhaust Tip Cover (Fits: 2003 INFINITI QX4)
Brand New: Unbranded$40.10Was: $44.00$3.10 shipping49 soldConnector FOR Vapor Canister Valve Solenoid Fit:Infinit,Nissan (CHECK CHART) (Fits: 2003 INFINITI QX4)
Brand New$11.75Top Rated Plus- Sellers with highest buyer ratings
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or Best OfferFree shippingVapor Canister Vent Solenoid For 2001-2004 Nissan Frontier (Fits: 2003 INFINITI QX4)
Purge Solenoid ValveBrand New: Perfect Fit$21.26Top Rated Plus- Sellers with highest buyer ratings
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Free shipping142 sold1997-2003 Fit INFINITI QX4 Rear Catalytic Converter Passenger Side with Gaskets (Fits: 2003 INFINITI QX4)
Brand New$98.94Was: $109.93$19.95 shippingEvan Fischer Catalytic Converter Set for 97-03 QX4, 96-04 Pathfinder, Rear LH/RH (Fits: 2003 INFINITI QX4)
Federal-EPA or 46-State LegalBrand New: EvanFischer$302.39Was: $336.15Free shipping83 sold2003 Infiniti QX4 Fuel Vapor Canister Charcoal OEM 14950-3H000
FREE RETURNS - FAST SHIPPING - 60 DAY WARRANTYPre-Owned: Infiniti$162.00Top Rated Plus- Sellers with highest buyer ratings
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Was: $180.00or Best OfferFree shipping2001 2002 2003 Fit INFINITI QX4 3.5L Front Catalytic Converters 2 PIECES PAIR (Fits: 2003 INFINITI QX4)
Brand New$167.36Was: $185.95$19.95 shippingNISSAN OEM Exhaust-Manifold Gasket 140364W015 (Fits: 2003 INFINITI QX4)
#3 on Diagram Only-Genuine OE Factory Original ItemBrand New: Nissan$9.83Free shipping1Pc Chrome 70mm Universal Stainless Steel Car Rear Exhaust Pipe Tail Muffler Tip (Fits: 2003 INFINITI QX4)
Brand New: Unbranded$23.45Was: $24.68or Best OfferFree shippingFITS: 2001-2003 Infiniti QX4 3.5L Front/Rear D/S & P/S CATALYTIC CONVERTER (Fits: 2003 INFINITI QX4)
Brand New$289.99Free shippingDENSO 234-4700 Oxygen Sensor-Universal fits Nissan, Subaru, Infinity (Fits: 2003 INFINITI QX4)
Brand New: DENSO$27.99Was: $39.99or Best Offer$6.99 shipping8 watchingFor 04-06 Nissan Altima 3.5L 4-Door New O2 Oxygen Sensor Downstream 234-4309 (Fits: 2003 INFINITI QX4)
Brand New$14.51Free shippingAir Flow Meter Fits 01-03 INFINITI QX4 52151 (Fits: 2003 INFINITI QX4)
90 DAY MONEY BACK GUARANTEE!! 100% TESTED PARTS!!Pre-Owned: Infiniti$73.37Was: $77.23or Best OfferFree shippingAir Flow Meter Fits 01-03 INFINITI QX4 31592 (Fits: 2003 INFINITI QX4)
60 DAY MONEY BACK GUARANTEE! 100% TESTED!Pre-Owned: Infiniti$109.24Was: $114.99or Best OfferFree shippingNEW BOSCH 13651 Oxygen Sensor FOR Infiniti Nissan Pathfinder QX4 2001-2003 (Fits: 2003 INFINITI QX4)
Brand New: Bosch$31.54Top Rated Plus- Sellers with highest buyer ratings
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Was: $38.00Free shippingVapor Canister Purge Valve / Solenoid Fits Nissan Infiniti 1998-2006 (Fits: 2003 INFINITI QX4)
Brand New$14.00Free shippingRear Muffler For 2001-2003 Infiniti QX4 2002 VN639DJ (Fits: 2003 INFINITI QX4)
Brand New$66.01Free shippingCar Muffler Tip Muffler Stainless Steel Exhaust Pipe Roasted Blue Tail Throat (Fits: 2003 INFINITI QX4)
Brand New: Unbranded$30.10Was: $31.68or Best OfferFree shippingFront Catalytic Converters Left LH & Right RH for Nissan Pathfinder Infiniti QX4 (Fits: 2003 INFINITI QX4)
Order by Noon EST and this part ships today!Brand New: Cateran$340.90Top Rated Plus- Sellers with highest buyer ratings
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Was: $460.95Free shippingOnly 3 leftVapor Canister Vacuum Solenoid Valve for Nissan Pathfinder Frontier 14933-0Z80A (Fits: 2003 INFINITI QX4)
Brand New: X AUTOHAUX$18.52Was: $19.49or Best OfferFree shipping2001-2003 INFINITI QX4 Purge Solenoid Vacuum Switch Control Valve A83-600
Pre-Owned: Infiniti$25.00or Best Offer$8.00 shippingFits 2002-2003 Infiniti QX4 3.5L 2 Pcs Downstream Oxygen O2 02 Sensors (Fits: 2003 INFINITI QX4)
Brand New$27.69or Best OfferFree shippingVapor Canister Vent Solenoid For 240 Truck 1493354U0A Nissan Altima Frontier QX4
Hassle Free Returns. Free Fast Shipping.Brand New: Perfect Fit$18.80Was: $24.86Free shipping117 soldFor 2001-2003 Infiniti QX4 Muffler Rear OP 63315TM 2002 (Fits: 2003 INFINITI QX4)
Brand New$63.96Free shippingExhaust Muffler for 2002-2003 Infiniti QX4 (Fits: 2003 INFINITI QX4)
ANSA Part No. DA39247-AG !!! BUY FROM THE BEST !!!Brand New: Ansa$102.42Free shippingFX8027 Exhaust Converter Pipe Flange Repair Kit for Sonata Altima Celica Camry (Fits: 2003 INFINITI QX4)
Brand New: FX EXHAUST$24.50Top Rated Plus- Sellers with highest buyer ratings
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Free shipping75 soldFor 2001-2003 Infiniti QX4 Nissan Pathfinder 15343 OE GENUINE Oxygen Sensor (Fits: 2003 INFINITI QX4)
New (Other): Bosch$44.29Top Rated Plus- Sellers with highest buyer ratings
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Was: $46.61Free shippingFor 2001-2003 Infiniti QX4 Muffler Center OP 64317MX 2002 (Fits: 2003 INFINITI QX4)
Brand New$132.96Free shippingPack of 1 For INFINITI M45 Vapor Canister Vacuum Solenoid Purge Valve 149330Z80A (Fits: 2003 INFINITI QX4)
Brand New$16.02Was: $17.04or Best OfferFree shippingFront Catalytic Converter Driver Side Left LH for Nissan Pathfinder Infiniti QX4 (Fits: 2003 INFINITI QX4)
Order by Noon EST and this part ships today!Brand New: Cateran$169.62Top Rated Plus- Sellers with highest buyer ratings
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Was: $244.95Free shipping86 soldStainless Steel Exhaust Muffler fits: 01-04 Nissan Pathfinder 01-03 Infiniti QX4 (Fits: 2003 INFINITI QX4)
Northeastern Stainless Steel - LimitedLifetime WarrantyBrand New$194.74Trending at $199.74eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Free shipping13 watchingFit INFINITI QX4 3.5L 2001-2003 Front Manifold Catalytic Converter LEFT (Fits: 2003 INFINITI QX4)
Brand New: Exhaust Distribution$99.95$14.95 shipping1997-2003 Fit INFINITI QX4 Rear Catalytic Converter Driver Side with Gaskets (Fits: 2003 INFINITI QX4)
Brand New$98.96Was: $109.96$19.95 shipping