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Replacement and OEM Parts for Buick Century Oxygen Sensor
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Buick Century Oxygen Sensor

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Oxygen Sensors
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  • Denso Universal Fit Oxygen Sensor for Buick Century - 234-4000

    Denso® Universal Fit Oxygen Sensor for Buick Century

    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: Buick Century Universal Fit Oxygen Sensor
    More Info
    $35.18
  • Delphi Oxygen Sensor for Buick Century - ES20320

    Delphi® Oxygen Sensor for Buick Century

    PartNumber: ES20320
    Product Specifications
    • Connector Shape: Square
    • Position: Rear
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604188316
    • Wire Harness Length: 12.4" (310 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Buick Century Oxygen Sensor
    More Info
    $66.80
  • OEM Buick Century Rear Oxygen Sensor Diagram - 19178924
    View Related Parts

    OEM (Genuine) Buick Century Rear Oxygen Sensor

    PartNumber: 19178924
    OEM Buick Century Rear Oxygen Sensor - 19178924
    Product Specifications
    • Other Names: Oxygen Sensor, Rear Oxygen Sensor
    • Item Dimensions: 6.8 x 2.1 x 1.9 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25312207, 25161130, 12587214, 25312196, 25164983, 19178921
    • Part Description: Buick Century Rear Oxygen Sensor
    More Info
    $75.58 MSRP: $142.62
    You Save: $67.04 (48%)
  • Spectra Premium Oxygen Sensor for Buick Century - OS5042

    Spectra Premium® Oxygen Sensor for Buick Century

    PartNumber: OS5042
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Square
    • Installation Type: Screw
    • Overall Length: 16 1/8"
    • Position: Downstream
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607155037
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Buick Century Oxygen Sensor
    More Info
    $18.06
  • Denso Universal Fit Oxygen Sensor for Buick Century - 234-4209

    Denso® Universal Fit Oxygen Sensor for Buick Century

    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: Buick Century Universal Fit Oxygen Sensor
    More Info
    $42.05
  • NTK OE Type Oxygen Sensor for Buick Century - 21516

    NTK® OE Type Oxygen Sensor for Buick Century

    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: Buick Century OE Type Oxygen Sensor
    More Info
    $44.79
  • Walker Products Premium Oxygen Sensor for Buick Century - 250-24836

    Walker Products® Premium Oxygen Sensor for Buick Century

    PartNumber: 250-24836
    Product Specifications
    • Connector Gender: Male
    • Location: B1S2 Sensor
    • Overall Length: 14.88"(377.952 mm)
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620039508
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 11.34"(288.036 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Buick Century Premium Oxygen Sensor
    More Info
    $37.61
  • Delphi Oxygen Sensor for Buick Century - ES20002

    Delphi® Oxygen Sensor for Buick Century

    PartNumber: ES20002
    Product Specifications
    • Connector Shape: Square
    • Position: Rear
    • Sensor Type: Non Heated
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604148037
    • Wire Harness Length: 12.8" (320 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Buick Century Oxygen Sensor
    More Info
    $52.64
  • OEM Buick Century Front Oxygen Sensor Diagram - 19178930
    View Related Parts

    OEM (Genuine) Buick Century Front Oxygen Sensor

    PartNumber: 19178930
    OEM Buick Century 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: Buick Century Front Oxygen Sensor
    More Info
    $70.08 MSRP: $132.24
    You Save: $62.16 (48%)
  • Spectra Premium Oxygen Sensor for Buick Century - OS5210

    Spectra Premium® Oxygen Sensor for Buick Century

    PartNumber: OS5210
    Product Specifications
    • Connector Gender: Female
    • Connector Shape: Square
    • Installation Type: Screw
    • Overall Length: 16 1/8"
    • Position: Downstream Passenger Side
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607156928
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Buick Century Oxygen Sensor
    More Info
    $20.14
  • Denso Oxygen Sensor for Buick Century - 234-4647

    Denso® Oxygen Sensor for Buick Century

    PartNumber: 234-4647
    Product Specifications
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511146471
    • Wire Harness Length: 12.6" (320 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Buick Century Oxygen Sensor
    More Info
    $36.05
  • Walker Products Premium Oxygen Sensor for Buick Century - 250-24340

    Walker Products® Premium Oxygen Sensor for Buick Century

    PartNumber: 250-24340
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 13.7"(347.98 mm)
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620041556
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 10.16"(258.064 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Buick Century Premium Oxygen Sensor
    More Info
    $38.68
  • Delphi Oxygen Sensor for Buick Century - ES20319

    Delphi® Oxygen Sensor for Buick Century

    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: Buick Century Oxygen Sensor
    More Info
    $52.40
  • OEM Buick Century Front Oxygen Sensor Diagram - 19178958
    View Related Parts

    OEM (Genuine) Buick Century Front Oxygen Sensor

    PartNumber: 19178958
    OEM Buick Century Front Oxygen Sensor - 19178958
    Product Specifications
    • Other Names: Front Oxygen Sensor, Manifold, Oxygen Sensor
    • Item Dimensions: 7.9 x 2.1 x 2.3 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25312203, 25178022, 25164488, 25312211
    • Part Description: Buick Century Front Oxygen Sensor
    More Info
    $69.27 MSRP: $130.72
    You Save: $61.45 (48%)
  • NTK OE Type Oxygen Sensor for Buick Century - 21002

    NTK® OE Type Oxygen Sensor for Buick Century

    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: Buick Century OE Type Oxygen Sensor
    More Info
    $18.81
  • Spectra Premium Oxygen Sensor for Buick Century - OS5047

    Spectra Premium® Oxygen Sensor for Buick Century

    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: Buick Century Oxygen Sensor
    More Info
    $18.02
  • Denso Oxygen Sensor for Buick Century - 234-4343

    Denso® Oxygen Sensor for Buick Century

    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: Buick Century Oxygen Sensor
    More Info
    $35.78
  • Walker Products Premium Oxygen Sensor for Buick Century - 250-24018

    Walker Products® Premium Oxygen Sensor for Buick Century

    PartNumber: 250-24018
    Product Specifications
    • Connector Gender: Female
    • Overall Length: 15.87"(403.098 mm)
    • Position: Downstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620017902
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 12.32"(312.928 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: Buick Century Premium Oxygen Sensor
    More Info
    $34.97
  • Delphi Oxygen Sensor for Buick Century - ES20001

    Delphi® Oxygen Sensor for Buick Century

    PartNumber: ES20001
    Product Specifications
    • Connector Shape: Square
    • Position: Front
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604148020
    • Wire Harness Length: 12.4" (310 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Buick Century Oxygen Sensor
    More Info
    $44.54
  • OEM Buick Century Front Oxygen Sensor Diagram - 12559850
    View Related Parts

    OEM (Genuine) Buick Century Front Oxygen Sensor

    PartNumber: 12559850
    OEM Buick Century Front Oxygen Sensor - 12559850
    Product Specifications
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Dimensions: 8.4 x 3.4 x 3.2 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick Century Front Oxygen Sensor
    More Info
    $63.27 MSRP: $119.40
    You Save: $56.13 (48%)
  • Spectra Premium Oxygen Sensor for Buick Century - OS5044

    Spectra Premium® Oxygen Sensor for Buick Century

    PartNumber: OS5044
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Oval
    • Installation Type: Screw
    • Overall Length: 14 3/4"
    • Position: Upstream
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607155051
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Buick Century Oxygen Sensor
    More Info
    $17.13
  • Denso Oxygen Sensor for Buick Century - 234-4650

    Denso® Oxygen Sensor for Buick Century

    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: Buick Century Oxygen Sensor
    More Info
    $34.43
  • Walker Products Premium Oxygen Sensor for Buick Century - 250-24269

    Walker Products® Premium Oxygen Sensor for Buick Century

    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: Buick Century Premium Oxygen Sensor
    More Info
    $37.90
  • Delphi Oxygen Sensor for Buick Century - ES20317

    Delphi® Oxygen Sensor for Buick Century

    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: Buick Century Oxygen Sensor
    More Info
    $41.97
  • OEM Buick Century Oxygen Sensor Diagram - 12590789
    View Related Parts

    OEM (Genuine) Buick Century Oxygen Sensor

    PartNumber: 12590789
    OEM Buick Century Oxygen Sensor - 12590789
    Product Specifications
    • Other Names: Oxygen Sensor
    • Item Dimensions: 8.4 x 3.0 x 3.0 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: Buick Century Oxygen Sensor
    More Info
    $57.80 MSRP: $109.07
    You Save: $51.27 (48%)
  • Denso Universal Fit Oxygen Sensor for Buick Century - 234-2000

    Denso® Universal Fit Oxygen Sensor for Buick Century

    PartNumber: 234-2000
    Product Specifications
    • Installation Type: Screw
    • O2 Sensor Configuration: Universal
    • Position: Downstream
    • Sensor Type: Non Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511120006
    • Wire Harness Length: 11.77" (299 mm)
    • Wires Quantity: 2 Wire Leads
    • Part Description: Buick Century Universal Fit Oxygen Sensor
    More Info
    $33.66
  • Walker Products Premium Oxygen Sensor for Buick Century - 250-24012

    Walker Products® Premium Oxygen Sensor for Buick Century

    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: Buick Century Premium Oxygen Sensor
    More Info
    $35.32
  • Delphi Oxygen Sensor for Buick Century - ES10966

    Delphi® Oxygen Sensor for Buick Century

    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: Buick Century Oxygen Sensor
    More Info
    $16.96
  • OEM Buick Century Oxygen Sensor Diagram - 19178747
    View Related Parts

    OEM (Genuine) Buick Century Oxygen Sensor

    PartNumber: 19178747
    OEM Buick Century Oxygen Sensor - 19178747
    Product Specifications
    • Other Names: Oxygen Sensor
    • Item Dimensions: 7.7 x 2.0 x 2.4 inches
    • Item Weight: 0.50 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 25318321
    • Replaced by: 19355307
    • Part Description: Buick Century Oxygen Sensor
    More Info
    $83.51 MSRP: $151.86
    You Save: $68.35 (46%)
  • Spectra Premium Oxygen Sensor for Buick Century - OS5048

    Spectra Premium® Oxygen Sensor for Buick Century

    PartNumber: OS5048
    Product Specifications
    • Connector Gender: Male
    • Connector Shape: Oval
    • Installation Type: Screw
    • Overall Length: 15 3/8"
    • Position: Upstream
    • Sensor Type: Non Heated - Zirconia
    • Terminal Quantity: 2
    • Thread: M18 X 1.5 mm
    • UPC: 671607155235
    • Wrench Size: 0.88" (22 mm)
    • Part Description: Buick Century Oxygen Sensor
    More Info
    $11.56
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