Contact Us Live Chat or 1-888-220-8330
Search Bar
Search by Part Number or Keywords
  • My Garage
  • My Account
  • Cart
  • Body & Mirrors
  • Chassis & Brakes
  • Engine & Drivetrain
  • Electrical & Lighting
Help Center
< Back ×
Replacement and OEM Parts for 2003 Infiniti Q45 Oxygen Sensor

2003 Infiniti Q45 Oxygen Sensor

My Vehicle Change Vehicle
2003 Infiniti Q45
Change Vehicle
Vehicle Options
We need more information about your vehicle to make a correct determination of fitment
< Back to View All
Oxygen Sensors
  • Department
  • Location
  • Product Fit
  • Brands
  • Prices

28 Products found

Show Item:
  • 30
  • 60
  • 90
Sort by:
Recommended
Filter
Sort
View by
  • OEM (Genuine) 2003 Infiniti Q45 Heated Oxygen Sensor

    PartNumber: 22690-8J001
    OEM 2003 Infiniti Q45 Heated Oxygen Sensor - 22690-8J001
    Product Specifications
    • Notes: Front; Q45; Front; Right Bank
    • Location: Passenger Side
    • Other Names: Oxygen Sensor
    • Item Dimensions: 7.5 x 5.3 x 2.1 inches
    • Item Weight: 1.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Heated Oxygen Sensor
    More Info
    $171.52 MSRP: $235.30
    You Save: $63.78 (28%)
  • Denso Oxygen Sensor for 2003 Infiniti Q45 - 234-4312

    Denso® Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: 234-4312
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream Front
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511112384
    • Wire Harness Length: 15.35" (389.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Oxygen Sensor
    More Info
    $78.05
  • Delphi Oxygen Sensor for 2003 Infiniti Q45 - ES20220

    Delphi® Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: ES20220
    Product Specifications
    • Connector Shape: Square
    • Position: Center
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604147924
    • Wire Harness Length: 15.2" (380 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Oxygen Sensor
    More Info
    $94.86
  • OEM (Genuine) 2003 Infiniti Q45 Rear Heated Oxygen Sensor

    PartNumber: 226A0-AR210
    OEM 2003 Infiniti Q45 Rear Heated Oxygen Sensor - 226A0-AR210
    Product Specifications
    • Notes: Rear; Q45; Rear; Right
    • Location: Driver Side
    • Other Names: Oxygen Sensor
    • Item Dimensions: 7.7 x 5.2 x 2.1 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Rear Heated Oxygen Sensor
    More Info
    $197.46 MSRP: $270.88
    You Save: $73.42 (28%)
  • Spectra Premium Oxygen Sensor for 2003 Infiniti Q45 - OS5164

    Spectra Premium® Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: OS5164
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Square
    • Installation Type: Screw
    • Overall Length: 15 15/16"
    • Position: Upstream Passenger Side
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607156461
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Oxygen Sensor
    More Info
    $22.20
  • Denso Oxygen Sensor for 2003 Infiniti Q45 - 234-4308

    Denso® Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: 234-4308
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511113671
    • Wire Harness Length: 21.06" (534.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Oxygen Sensor
    More Info
    $67.14
  • NTK OE Type Oxygen Sensor for 2003 Infiniti Q45 - 24401

    NTK® OE Type Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: 24401
    Product Specifications
    • Notes: B1S1; OE MFR: NTK
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream Driver Side
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 087295244012
    • Wire Harness Length: 21" (533.4 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: OE Type Oxygen Sensor
    More Info
    $57.65
  • Walker Products Premium Oxygen Sensor for 2003 Infiniti Q45 - 250-24450

    Walker Products® Premium Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: 250-24450
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 21.97"(558.038 mm)
    • Position: Upstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620043321
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 18.43"(468.122 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Premium Oxygen Sensor
    More Info
    $51.18
  • Delphi Oxygen Sensor for 2003 Infiniti Q45 - ES10880

    Delphi® Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: ES10880
    Product Specifications
    • Connector Shape: Square
    • Position: Front Driver Side
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604146682
    • Wire Harness Length: 14.8" (370 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Oxygen Sensor
    More Info
    $72.12
  • OEM (Genuine) 2003 Infiniti Q45 Rear Heated Oxygen Sensor

    PartNumber: 226A1-AR210
    OEM 2003 Infiniti Q45 Rear Heated Oxygen Sensor - 226A1-AR210
    Product Specifications
    • Notes: Rear; Q45; Rear; Left
    • Location: Passenger Side
    • Other Names: Oxygen Sensor
    • Item Dimensions: 7.7 x 5.1 x 2.0 inches
    • Item Weight: 0.80 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 226A1-8U700
    • Part Description: Rear Heated Oxygen Sensor
    More Info
    $197.46 MSRP: $270.88
    You Save: $73.42 (28%)
  • Denso Oxygen Sensor for 2003 Infiniti Q45 - 234-4296

    Denso® Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: 234-4296
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511113640
    • Wire Harness Length: 14.57" (370.1 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Oxygen Sensor
    More Info
    $43.55
  • Walker Products Premium Oxygen Sensor for 2003 Infiniti Q45 - 250-24448

    Walker Products® Premium Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: 250-24448
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 16.06"(407.924 mm)
    • Position: Downstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620043307
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 12.52"(318.008 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Premium Oxygen Sensor
    More Info
    $47.45
  • NTK OE Type Oxygen Sensor for 2003 Infiniti Q45 - 24404

    NTK® OE Type Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: 24404
    Product Specifications
    • Notes: B1S2; OE MFR: NTK
    • Mounting Type: Threaded
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Universal Or Specific Fit: Specific
    • UPC: 087295244043
    • Wire Quantity: 4
    • Wiring Harness Length: 14.5000
    • Part Description: OE Type Oxygen Sensor
    More Info
    $41.92
  • Delphi Oxygen Sensor for 2003 Infiniti Q45 - ES20161

    Delphi® Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: ES20161
    Product Specifications
    • Connector Shape: Square
    • Position: Rear Passenger Side
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604147429
    • Wire Harness Length: 19.2" (480 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Oxygen Sensor
    More Info
    $71.15
  • OEM (Genuine) 2003 Infiniti Q45 Heated Oxygen Sensor

    PartNumber: 22691-AR210
    OEM 2003 Infiniti Q45 Heated Oxygen Sensor - 22691-AR210
    Product Specifications
    • Notes: Front; Q45; Front; Left Bank
    • Location: Driver Side
    • Other Names: Oxygen Sensor
    • Item Dimensions: 7.7 x 5.4 x 2.1 inches
    • Item Weight: 1.00 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Heated Oxygen Sensor
    More Info
    $169.02 MSRP: $231.87
    You Save: $62.85 (28%)
  • Denso Universal Fit Oxygen Sensor for 2003 Infiniti Q45 - 234-4210

    Denso® Universal Fit Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: 234-4210
    Product Specifications
    • Notes: OE Quality Universal Replacement Sensor
    • Installation Type: Screw
    • O2 Sensor Configuration: Universal
    • OE Part Number: 56041213AF, 56041212AE, 56041212AF, 56041213AFAA, 56041676AA
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511142107
    • Wire Harness Length: 11.77" (299 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Universal Fit Oxygen Sensor
    More Info
    $40.02
  • Walker Products Premium Oxygen Sensor for 2003 Infiniti Q45 - 250-24452

    Walker Products® Premium Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: 250-24452
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 15.67"(398.018 mm)
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620043345
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 12.13"(308.102 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Premium Oxygen Sensor
    More Info
    $40.94
  • Denso Oxygen Sensor for 2003 Infiniti Q45 - 234-4301

    Denso® Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: 234-4301
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511143012
    • Wire Harness Length: 10.63" (270 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Oxygen Sensor
    More Info
    $39.84
  • Walker Products Premium Oxygen Sensor for 2003 Infiniti Q45 - 250-24403

    Walker Products® Premium Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: 250-24403
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 20.0"(508 mm)
    • Position: Downstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620042850
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 16.46"(418.084 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Premium Oxygen Sensor
    More Info
    $60.67
  • Walker Products Oxygen Sensor for 2003 Infiniti Q45 - 350-34488

    Walker Products® Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: 350-34488
    Product Specifications
    • Notes: Upstream; Left
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 21.97"
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620093029
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 18.43"
    • Wires Quantity: 4 Wire Leads
    • Part Description: Oxygen Sensor
    More Info
    $37.74
  • Walker Products Oxygen Sensor for 2003 Infiniti Q45 - 350-34384

    Walker Products® Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: 350-34384
    Product Specifications
    • Notes: Downstream; Right
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 20.0"
    • Position: Downstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620092008
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 16.46"
    • Wires Quantity: 4 Wire Leads
    • Part Description: Oxygen Sensor
    More Info
    $56.54
  • Walker Products Oxygen Sensor for 2003 Infiniti Q45 - 350-34582

    Walker Products® Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: 350-34582
    Product Specifications
    • Notes: Downstream; Left
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 16.06"
    • Position: Downstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620093944
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 12.52"
    • Wires Quantity: 4 Wire Leads
    • Part Description: Oxygen Sensor
    More Info
    $37.59
  • Walker Products Oxygen Sensor for 2003 Infiniti Q45 - 350-34646

    Walker Products® Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: 350-34646
    Product Specifications
    • Notes: Upstream; Right
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 15.67"
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620094569
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 12.13"
    • Wires Quantity: 4 Wire Leads
    • Part Description: Oxygen Sensor
    More Info
    $33.42
  • NTK OE Type Oxygen Sensor for 2003 Infiniti Q45 - 24298

    NTK® OE Type Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: 24298
    Product Specifications
    • Notes: B2S1; OE MFR: NTK
    • Mounting Type: Threaded
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Universal Or Specific Fit: Specific
    • UPC: 087295242988
    • Wire Quantity: 4
    • Wiring Harness Length: 14.7500
    • Part Description: OE Type Oxygen Sensor
    More Info
    $39.83
  • NTK OE Type Oxygen Sensor for 2003 Infiniti Q45 - 24408

    NTK® OE Type Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: 24408
    Product Specifications
    • Notes: B2S2; OE MFR: NTK
    • Installation Type: Screw
    • Location: B1S2
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream Rear
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 087295244081
    • Wire Harness Length: 14.5" (368.3 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: OE Type Oxygen Sensor
    More Info
    $78.89
  • Spectra Premium Oxygen Sensor for 2003 Infiniti Q45 - OS5402

    Spectra Premium® Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: OS5402
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Square
    • Installation Type: Screw
    • Overall Length: 15 3/4"
    • Position: Downstream Driver Side
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607159127
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Oxygen Sensor
    More Info
  • Spectra Premium Oxygen Sensor for 2003 Infiniti Q45 - OS5403

    Spectra Premium® Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: OS5403
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Square
    • Installation Type: Screw
    • Overall Length: 15 3/4"
    • Position: Downstream Passenger Side
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607159134
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Oxygen Sensor
    More Info
  • Spectra Premium Oxygen Sensor for 2003 Infiniti Q45 - OS5462

    Spectra Premium® Oxygen Sensor for 2003 Infiniti Q45

    PartNumber: OS5462
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Square
    • Installation Type: Screw
    • Overall Length: 22 1/16"
    • Position: Upstream Driver Side
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607159721
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Oxygen Sensor
    More Info