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Replacement and OEM Parts for Chevrolet Blazer Oxygen Sensor
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Chevrolet Blazer Oxygen Sensor

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Oxygen Sensors
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  • Denso Universal Fit Oxygen Sensor for Chevrolet Blazer - 234-3090

    Denso® Universal Fit Oxygen Sensor for Chevrolet Blazer

    PartNumber: 234-3090
    Product Specifications
    • Installation Type: Screw
    • O2 Sensor Configuration: Universal
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511130906
    • Wire Harness Length: 11.77" (299 mm)
    • Wires Quantity: 3 Wire Leads
    • Part Description: Chevrolet Blazer Universal Fit Oxygen Sensor
    More Info
    $52.03
  • OEM Chevrolet Blazer Upper Oxygen Sensor Diagram - 12643707
    View Related Parts

    OEM (Genuine) Chevrolet Blazer Upper Oxygen Sensor

    PartNumber: 12643707
    OEM Chevrolet Blazer Upper Oxygen Sensor - 12643707
    Product Specifications
    • Item Dimensions: 8.2 x 3.1 x 3.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12627139
    • Part Description: Chevrolet Blazer Upper Oxygen Sensor
    More Info
    $44.51 MSRP: $69.20
    You Save: $24.69 (36%)
  • Delphi Oxygen Sensor for Chevrolet Blazer - ES20319

    Delphi® Oxygen Sensor for Chevrolet Blazer

    PartNumber: ES20319
    Product Specifications
    • Connector Shape: Square
    • Position: Front
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604188309
    • Wire Harness Length: 12.4" (310 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Chevrolet Blazer Oxygen Sensor
    More Info
    $52.40
  • Spectra Premium Oxygen Sensor for Chevrolet Blazer - OS5047

    Spectra Premium® Oxygen Sensor for Chevrolet Blazer

    PartNumber: OS5047
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Square
    • Installation Type: Screw
    • Overall Length: 17 5/16"
    • Position: Downstream
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607155105
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Chevrolet Blazer Oxygen Sensor
    More Info
    $18.02
  • Walker Products Premium Oxygen Sensor for Chevrolet Blazer - 250-241133

    Walker Products® Premium Oxygen Sensor for Chevrolet Blazer

    PartNumber: 250-241133
    Product Specifications
    • Connector Gender: Male
    • Location: B1S1 Sensor
    • Overall Length: 15.87"(403.098 mm)
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620101915
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 12.32"(312.928 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Chevrolet Blazer Premium Oxygen Sensor
    More Info
    $46.37
  • NTK OE Type Oxygen Sensor for Chevrolet Blazer - 21516

    NTK® OE Type Oxygen Sensor for Chevrolet Blazer

    PartNumber: 21516
    Product Specifications
    • Mounting Type: Threaded
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Universal Or Specific Fit: Specific
    • UPC: 087295215166
    • Wire Quantity: 4
    • Wiring Harness Length: 15.7500
    • Part Description: Chevrolet Blazer OE Type Oxygen Sensor
    More Info
    $44.79
  • Denso Universal Fit Oxygen Sensor for Chevrolet Blazer - 234-4000

    Denso® Universal Fit Oxygen Sensor for Chevrolet Blazer

    PartNumber: 234-4000
    Product Specifications
    • Installation Type: Screw
    • O2 Sensor Configuration: Universal
    • OE Part Number: 000 540 45 17
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511140004
    • Wire Harness Length: 11.77" (299 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Chevrolet Blazer Universal Fit Oxygen Sensor
    More Info
    $34.50
  • OEM Chevrolet Blazer Oxygen Sensor Diagram - 12567254
    View Related Parts

    OEM (Genuine) Chevrolet Blazer Oxygen Sensor

    PartNumber: 12567254
    OEM Chevrolet Blazer Oxygen Sensor - 12567254
    Product Specifications
    • Other Names: Oxygen Sensor
    • Item Dimensions: 8.4 x 3.4 x 3.4 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Chevrolet Blazer Oxygen Sensor
    More Info
    $58.95 MSRP: $111.24
    You Save: $52.29 (48%)
  • Delphi Oxygen Sensor for Chevrolet Blazer - ES10005

    Delphi® Oxygen Sensor for Chevrolet Blazer

    PartNumber: ES10005
    Product Specifications
    • Connector Shape: Flat
    • Position: Upstream
    • Terminal Quantity: 3
    • UPC: 689604085561
    • Wire Harness Length: 13" (325 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Chevrolet Blazer Oxygen Sensor
    More Info
    $41.44
  • Walker Products Premium Oxygen Sensor for Chevrolet Blazer - 250-241132

    Walker Products® Premium Oxygen Sensor for Chevrolet Blazer

    PartNumber: 250-241132
    Product Specifications
    • Connector Gender: Male
    • Location: B1S2 Sensor
    • Overall Length: 15.87"(403.098 mm)
    • Position: Downstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620101922
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 12.32"(312.928 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Chevrolet Blazer Premium Oxygen Sensor
    More Info
    $43.42
  • Denso Universal Fit Oxygen Sensor for Chevrolet Blazer - 234-4209

    Denso® Universal Fit Oxygen Sensor for Chevrolet Blazer

    PartNumber: 234-4209
    Product Specifications
    • Installation Type: Threaded
    • O2 Sensor Configuration: Universal
    • OE Part Number: 56028232AA, 56028233AA, 56028235AA, 56041345AD, 89465-52200
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511142091
    • Wire Harness Length: 11.77" (299 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Chevrolet Blazer Universal Fit Oxygen Sensor
    More Info
    $42.05
  • OEM Chevrolet Blazer Lower Oxygen Sensor Diagram - 12661898
    View Related Parts

    OEM (Genuine) Chevrolet Blazer Lower Oxygen Sensor

    PartNumber: 12661898
    OEM Chevrolet Blazer Lower Oxygen Sensor - 12661898
    Product Specifications
    • Item Dimensions: 2.0 x 18.7 x 1.0 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12643903
    • Part Description: Chevrolet Blazer Lower Oxygen Sensor
    More Info
    $66.39 MSRP: $125.29
    You Save: $58.90 (48%)
  • Delphi Oxygen Sensor for Chevrolet Blazer - ES20317

    Delphi® Oxygen Sensor for Chevrolet Blazer

    PartNumber: ES20317
    Product Specifications
    • Connector Shape: Flat
    • Position: Front
    • Sensor Type: Heated
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • Thread: 18 x 1.5 mm
    • UPC: 689604188286
    • Wire Harness Length: 12.4" (310 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Chevrolet Blazer Oxygen Sensor
    More Info
    $41.97
  • NTK OE Type Oxygen Sensor for Chevrolet Blazer - 21002

    NTK® OE Type Oxygen Sensor for Chevrolet Blazer

    PartNumber: 21002
    Product Specifications
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 087295210024
    • Wire Harness Length: 15.25" (387.4 mm)
    • Wires Quantity: 1 Wire Lead
    • Part Description: Chevrolet Blazer OE Type Oxygen Sensor
    More Info
    $18.80
  • Spectra Premium Oxygen Sensor for Chevrolet Blazer - OS5043

    Spectra Premium® Oxygen Sensor for Chevrolet Blazer

    PartNumber: OS5043
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Round
    • Installation Type: Screw
    • Overall Length: 16 5/16"
    • Position: Upstream
    • Sensor Type: Non Heated - Zirconia
    • Terminal Quantity: 1
    • Thread: M18 X 1.5 mm
    • UPC: 671607155044
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Chevrolet Blazer Oxygen Sensor
    More Info
    $14.00
  • Walker Products Oxygen Sensor for Chevrolet Blazer - 350-34948

    Walker Products® Oxygen Sensor for Chevrolet Blazer

    PartNumber: 350-34948
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 15.87"
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620106538
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 12.32"
    • Wires Quantity: 4 Wire Leads
    • Part Description: Chevrolet Blazer Oxygen Sensor
    More Info
    $40.99
  • Denso Universal Fit Oxygen Sensor for Chevrolet Blazer - 234-3000

    Denso® Universal Fit Oxygen Sensor for Chevrolet Blazer

    PartNumber: 234-3000
    Product Specifications
    • Installation Type: Screw
    • O2 Sensor Configuration: Universal
    • Pigtail Length: 16"
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511130005
    • Wire Harness Length: 11.77" (299 mm)
    • Wires Quantity: 3 Wire Leads
    • Part Description: Chevrolet Blazer Universal Fit Oxygen Sensor
    More Info
    $39.96
  • OEM Chevrolet Blazer Oxygen Sensor Diagram - 19178918
    View Related Parts

    OEM (Genuine) Chevrolet Blazer Oxygen Sensor

    PartNumber: 19178918
    OEM Chevrolet Blazer Oxygen Sensor - 19178918
    Product Specifications
    • Other Names: Oxygen Sensor
    • Item Dimensions: 7.9 x 2.0 x 2.3 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25163079, 25312200
    • Part Description: Chevrolet Blazer Oxygen Sensor
    More Info
    $77.44 MSRP: $140.16
    You Save: $62.72 (45%)
  • Delphi Oxygen Sensor for Chevrolet Blazer - ES10966

    Delphi® Oxygen Sensor for Chevrolet Blazer

    PartNumber: ES10966
    Product Specifications
    • Connector Shape: Round
    • Position: Upstream
    • Terminal Quantity: 1
    • UPC: 689604147320
    • Wire Harness Length: 12.8" (320 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Chevrolet Blazer Oxygen Sensor
    More Info
    $16.96
  • Walker Products Wideband Premium Oxygen Sensor for Chevrolet Blazer - 250-241212

    Walker Products® Wideband Premium Oxygen Sensor for Chevrolet Blazer

    PartNumber: 250-241212
    Product Specifications
    • Connector Gender: Male
    • Position: Downstream Passenger Side
    • UPC: 724620130304
    • Part Description: Chevrolet Blazer Wideband Premium Oxygen Sensor
    More Info
    $42.39
  • Denso Oxygen Sensor for Chevrolet Blazer - 234-4343

    Denso® Oxygen Sensor for Chevrolet Blazer

    PartNumber: 234-4343
    Product Specifications
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511113213
    • Wire Harness Length: 12.28" (311.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Chevrolet Blazer Oxygen Sensor
    More Info
    $35.77
  • OEM Chevrolet Blazer Upper Oxygen Sensor Diagram - 55489474
    View Related Parts

    OEM (Genuine) Chevrolet Blazer Upper Oxygen Sensor

    PartNumber: 55489474
    OEM Chevrolet Blazer Upper Oxygen Sensor - 55489474
    Product Specifications
    • Other Names: Oxygen Sensor, Upper Oxygen Sensor
    • Item Dimensions: 14.3 x 1.6 x 1.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Chevrolet Blazer Upper Oxygen Sensor
    More Info
    $38.22 MSRP: $72.13
    You Save: $33.91 (48%)
  • Walker Products Oxygen Sensor for Chevrolet Blazer - 350-341064

    Walker Products® Oxygen Sensor for Chevrolet Blazer

    PartNumber: 350-341064
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 13.9
    • Position: Downstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620154317
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 10.35" (262.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Chevrolet Blazer Oxygen Sensor
    More Info
    $37.46
  • Denso Oxygen Sensor for Chevrolet Blazer - 234-3094

    Denso® Oxygen Sensor for Chevrolet Blazer

    PartNumber: 234-3094
    Product Specifications
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511130944
    • Wire Harness Length: 12.99" (329.9 mm)
    • Wires Quantity: 3 Wire Leads
    • Part Description: Chevrolet Blazer Oxygen Sensor
    More Info
    $35.10
  • OEM Chevrolet Blazer Front Oxygen Sensor Diagram - 19178930
    View Related Parts

    OEM (Genuine) Chevrolet Blazer Front Oxygen Sensor

    PartNumber: 19178930
    OEM Chevrolet Blazer Front Oxygen Sensor - 19178930
    Product Specifications
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Dimensions: 7.7 x 2.1 x 2.3 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25171579, 25312184, 25165313
    • Part Description: Chevrolet Blazer Front Oxygen Sensor
    More Info
    $67.36 MSRP: $127.12
    You Save: $59.76 (48%)
  • Walker Products Premium Oxygen Sensor for Chevrolet Blazer - 250-24269

    Walker Products® Premium Oxygen Sensor for Chevrolet Blazer

    PartNumber: 250-24269
    Product Specifications
    • Connector Gender: Female
    • Overall Length: 16.85"(427.99 mm)
    • Position: Upstream Driver Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620041068
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 13.31"(338.074 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Chevrolet Blazer Premium Oxygen Sensor
    More Info
    $37.90
  • Denso Oxygen Sensor for Chevrolet Blazer - 234-3005

    Denso® Oxygen Sensor for Chevrolet Blazer

    PartNumber: 234-3005
    Product Specifications
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511130050
    • Wire Harness Length: 13.39" (340.1 mm)
    • Wires Quantity: 3 Wire Leads
    • Part Description: Chevrolet Blazer Oxygen Sensor
    More Info
    $33.44
  • OEM Chevrolet Blazer Lower Oxygen Sensor Diagram - 12667438
    View Related Parts

    OEM (Genuine) Chevrolet Blazer Lower Oxygen Sensor

    PartNumber: 12667438
    OEM Chevrolet Blazer Lower Oxygen Sensor - 12667438
    Product Specifications
    • Item Dimensions: 8.5 x 3.1 x 3.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Chevrolet Blazer Lower Oxygen Sensor
    More Info
    $42.75 MSRP: $80.67
    You Save: $37.92 (48%)
  • Walker Products Premium Oxygen Sensor for Chevrolet Blazer - 250-24012

    Walker Products® Premium Oxygen Sensor for Chevrolet Blazer

    PartNumber: 250-24012
    Product Specifications
    • Connector Gender: Female
    • Overall Length: 15.87"(403.098 mm)
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620017841
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 12.32"(312.928 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Chevrolet Blazer Premium Oxygen Sensor
    More Info
    $35.32
  • Denso Oxygen Sensor for Chevrolet Blazer - 234-4650

    Denso® Oxygen Sensor for Chevrolet Blazer

    PartNumber: 234-4650
    Product Specifications
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511146501
    • Wire Harness Length: 15.55" (395 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Chevrolet Blazer Oxygen Sensor
    More Info
    $34.43
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