Exhaust & Emission Systems for 2004 Infiniti M45
Find parts that fit
We need more information about your vehicle to confirm fit.
2004
Infiniti
M45
Shop by Popular Categories
SPONSOREDSPONSOREDSPONSOREDSPONSORED
2,534 Results
Downstream Oxygen Sensor for 03-06 Infiniti M45 Q45 03-09 Nissan Altima 234-4301 (Fits: 2004 INFINITI M45)
Brand New: Aero$12.45Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shipping106 soldVapor Canister Purge Valve / Solenoid Fits Nissan Infiniti 1998-2006 (Fits: 2004 INFINITI M45)
Brand New$14.00Free shippingFits INFINITI M45 REAR Flex Pipe Catalytic Converters 03-04 SHIPPED IN 3 PIECES (Fits: 2004 INFINITI M45)
INCLUDES ALL GASKETS AND HARDWARE 25H54-20Brand New$330.78$35.00 shippingMagnaflow Catalytic Converter w/Exhaust Manifold for 2003-2004 Infiniti M45 (Fits: 2004 INFINITI M45)
MagnaFlow 52425-AG Catalytic ConverterBrand New: MagnaFlow$608.00Catalytic Converter with Integrated Exhaust Manifold for 2003-2004 Infiniti M45 (Fits: 2004 INFINITI M45)
AP Exhaust # 641492-AG Multiple LocationsBrand New: AP Exhaust$592.15Free shippingConnector FOR Vapor Canister Valve Solenoid Fit:Infinit,Nissan (CHECK CHART) (Fits: 2004 INFINITI M45)
Brand New$11.75Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingFor Infiniti M45 Nissan Maxima 911-501 Evap Vapor Canister Vent Solenoid Valve (Fits: 2004 INFINITI M45)
Brand New: Autozone$23.21or Best OfferFree shippingNew Catalytic Converter for Infiniti 03-04 M45 02-05 Q45 Rear Y-Pipe (Fits: 2004 INFINITI M45)
Federal-EPA or 46-State LegalBrand New: EvanFischer$385.08Was: $402.6923 watchingCatalytic Converter for 2003 2004 Infiniti M45 (Fits: 2004 INFINITI M45)
47174-AD | Made in Canada, 5YR Warranty & FREE ShippingBrand New$497.76Free shippingO2 Oxygen Sensor Driver or Passenger Side DOWNSTREAM Right Left Driver/Passenger (Fits: 2004 INFINITI M45)
Hassle Free Returns. Free Fast Shipping.Brand New: Perfect Fit$24.76Was: $35.22Free shipping221 soldPurge Control Solenoid VALVE + CONNECTOR Fit: FX35 FX45 G20 G35 I30 M45 Q45 QX4 (Fits: 2004 INFINITI M45)
Brand New: Aftermarket Products$115.75Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingPack of 1 For INFINITI M45 Vapor Canister Vacuum Solenoid Purge Valve 149330Z80A (Fits: 2004 INFINITI M45)
Brand New$15.77or Best OfferFree shippingBreather Hose For 2003-2004 Infiniti M45 D533CR (Fits: 2004 INFINITI M45)
Brand New$82.00Free shippingNEW OEM DENSO OXYGEN SENSOR 234-4312 FOR NISSAN AND INFINITI DOWNSTREAM NO BOX (Fits: 2004 INFINITI M45)
Brand New: DENSO$44.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingFor 04-06 Nissan Altima 3.5L 4-Door New O2 Oxygen Sensor Downstream 234-4309 (Fits: 2004 INFINITI M45)
Brand New$14.37Free shippingCar Rear Tail Throat Double Liner Exhaust Muffler Tip Stainless Steel Pipe Chrom (Fits: 2004 INFINITI M45)
Brand New: Unbranded$30.10Was: $31.68or Best OfferFree shipping71 soldGenuine Breather Hose fits Infiniti M45 2003-2004 93JTBW (Fits: 2004 INFINITI M45)
Brand New$82.92Free shippingDenso Downstream Left Oxygen Sensor for 2003-2004 Infiniti M45 4.5L V8 gc (Fits: 2004 INFINITI M45)
The #1 Seller of Genuine Denso Parts on eBayBrand New: DENSO$52.92Was: $105.74Free shippingVapor Canister Vent Solenoid For 2001-2004 Nissan Frontier (Fits: 2004 INFINITI M45)
Purge Solenoid ValveBrand New: Perfect Fit$21.09Free shipping144 soldDorman 32111 Exhaust Manifold Hardware Kit (Fits: 2004 INFINITI M45)
For Select 02-21 INFINITI Nissan ModelsBrand New: Dorman$31.99Was: $40.99Free shippingDownstream Oxygen Sensor For Nissan Altima Quest Xterra Infiniti Q45 M45 4.5L V8 (Fits: 2004 INFINITI M45)
Brand New$17.72Was: $18.65or Best OfferFree shippingFor 2003-2004 INFINITI M45 4.5L V8 Vapor Canister SMP 398HG10 (Fits: 2004 INFINITI M45)
Brand New: Standard Motor Products$207.34Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
2x For Infiniti FX35 M45 03-04/FX45/02-06 Q45 03-05 4.5L Oxygen Sensor Upstream (Fits: 2004 INFINITI M45)
Brand New: AFR$44.64Was: $46.99or Best OfferFree shippingLambda Oxygen Sensor 4PCS 15522 15665 15525*2 For 2003-2004 Infiniti M45 Base (Fits: 2004 INFINITI M45)
Brand New: Autotech$98.80Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $106.92Free shippingFor 2003-2004 INFINITI M45 4.5L V8 Dorman Vapor Canister Vent Solenoid (Fits: 2004 INFINITI M45)
Engine: 4.5L V8;Brand New$77.50Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingFor 2003-2004 Infiniti M45 Breather Hose Genuine 42697VVFC (Fits: 2004 INFINITI M45)
Brand New$80.00Free shippingNEW Genuine OEM NISSAN INFINITI VAPOR CANISTER Purge Solenoid 14930-9E01A (Fits: 2004 INFINITI M45)
Brand New: Nissan$69.95Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Fits 2.5" Inlet 4.125" Outlet Dual Exhaust Muffler w/ Titanium Burnt Blue Tip (Fits: 2004 INFINITI M45)
✅Best Quality✅Money Back Guarantee✅Same Day ShippingBrand New: Spec-D Tuning$40.78Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $79.99Free shipping41 soldFITS 2002-2021 INFINITI 2002-2023 NISSAN EXHAUST MANIFOLD 8 STUD HAREWARE KIT (Fits: 2004 INFINITI M45)
12 MONTH WARRANTY - SEE IMPORTANT FITMENT INFORMATIONBrand New: Dorman(1)1 product ratings - FITS 2002-2021 INFINITI 2002-2023 NISSAN EXHAUST MANIFOLD 8 STUD HAREWARE KIT$27.57Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Vapor Canister Vent Solenoid Valve 911-501 For Infiniti M45 Nissan Maxima QUEST (Fits: 2004 INFINITI M45)
Brand New: Unbranded$22.40or Best Offer$0.54 shippingVapor Canister Vent Solenoid Valve 911-501 For Infiniti M45 Nissan Maxima (Fits: 2004 INFINITI M45)
Brand New: Unbranded$22.49or Best OfferFree shippingPurge Volume Control Solenoid VSV Valve Fit: FX35 FX45 G20 G35 I30 M45 Q45 QX4 (Fits: 2004 INFINITI M45)
Brand New: Aftermarket Products$114.25Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingVapor Canister SMP For 2003-2004 INFINITI M45 4.5L (Fits: 2004 INFINITI M45)
Brand New: Standard Motor Products$204.91Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shipping911-501 Vapor Canister Purge Valve Solenoid For Infiniti M45 Nissan Maxima US (Fits: 2004 INFINITI M45)
Brand New: Nissan$23.21or Best OfferFree shippingDenso Upstream Right Oxygen Sensor for 2003-2004 Infiniti M45 4.5L V8 qt (Fits: 2004 INFINITI M45)
The #1 Seller of Genuine Denso Parts on eBayBrand New: DENSO$57.33Was: $114.74Free shippingFuel Control Valve Hitachi CVS54 for INFINITI Q45 M45 Nissan Sentra (Fits: 2004 INFINITI M45)
Brand New: Hitachi$39.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Trending at $57.81eBay determines this price through a machine learned model of the product's sale prices within the last 90 days.Only 1 left!MagnaFlow OEM Grade Manifold Catalytic Converter Fits 2003-2004 Infiniti M45 (Fits: 2004 INFINITI M45)
52425-AG Fits 2003-2004 Infiniti M45Brand New: MagnaFlow$608.00Free shippingVapor Canister Vent Solenoid For Nissan Xterra, Frontier, Pathfinder 2001-2004 (Fits: 2004 INFINITI M45)
Brand New$59.00or Best OfferFree shippingPurge Control Solenoid Valve Fits:OEM14930-9E010 Infiniti Nissan 1998-2006 (Fits: 2004 INFINITI M45)
Brand New$14.45Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingNew SMP Vapor Canister For 2003-2004 INFINITI M45 4.5L V8 (Fits: 2004 INFINITI M45)
Brand New: Standard Motor Products$199.20Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingFor 2003-2004 Infiniti M45 Vapor Canister Vent Solenoid 76415ZNRK (Fits: 2004 INFINITI M45)
Brand New: TRQ$39.05Free shippingVapor Canister Vent Solenoid Valve 97-06 For Nissan Maxima Altima Pickup 911-501 (Fits: 2004 INFINITI M45)
Brand New$23.21Was: $26.38or Best OfferFree shippingOE Polished Stainless Steel Exhaust Muffler Tip For Nissan Infiniti 1.5-2" Pipe (Fits: 2004 INFINITI M45)
Brand New$13.96Free shipping113 soldDownstream Oxygen O2 Sensor 226A04J901 For 2003-2006 Infiniti G35 V6 3.5L (Fits: 2004 INFINITI M45)
Brand New: D2$15.99Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Free shippingDorman 911-508 Vapor Canister Purge Valve (Fits: 2004 INFINITI M45)
For 96-05 G20 I30 I35 M45 Maxima Pathfinder Q45 QX4Brand New: Dorman$103.95Was: $132.99Free shippingSport Racing N1 Style 4" Stainless Steel Burnt Tip Muffler Exhaust+Silencer (Fits: 2004 INFINITI M45)
⭐️100+ Sold✅Money Back Guarantee✅Same Day ShippingBrand New: Spec-D Tuning$36.08Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $69.99Free shipping172 soldFor 2003-2004, 2006-2010 Infiniti M45 Exhaust Gasket Mahle 54947XBWC 2007 2008 (Fits: 2004 INFINITI M45)
Brand New: Mahle$15.96Free shippingConnector FOR NISSAN Knock Sensor Fits G35 I35 M45 Q45 QX4 Altima Maxima X-Trail (Fits: 2004 INFINITI M45)
Brand New$8.65Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
or Best OfferFree shippingFor Nissan Infiniti Maxima Quest M45 OE GENUINE Oxygen Sensor 15521 Downstream (Fits: 2004 INFINITI M45)
New (Other): OE+$39.05Top Rated Plus- Sellers with highest buyer ratings
- Returns, money back
- Ships in a business day with tracking
Was: $41.21Free shippingCatalytic Converter Fits 2003 2004 Infiniti M45 (Fits: 2004 INFINITI M45)
5418-AD AB Catalytic | Limited Warranty | FREE ShippingBrand New$497.76Free shipping