Genuine Buick Oxygen Sensor

Oxygen O2 Sensor

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72 Oxygen Sensors found

  • Buick Oxygen Sensor - 12578624
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    Buick Sensor,Heated Oxygen(Position 2)

    Part Number: 12578624
    • Other Name: SENSOR, Computer Control Sensors
    • Replaces: 24577303
    $87.66 MSRP: $182.02
    You Save: $94.36 (52%)
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    Fits the following Buick Models:
    • Rainier | 2004-2005 | 4 DOOR | 6 Cyl 4.2L
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  • Buick Oxygen Sensor - 19178958
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    Buick Sensor Asm,Heated Oxygen

    Part Number: 19178958
    • Other Name: SENSOR, Computer Control Sensors; Front Oxygen Sensor, Manifold, Oxygen Sensor
    • Replaces: 25312203, 25178022, 25164488, 25312211
    $58.92 MSRP: $122.36
    You Save: $63.44 (52%)
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    Fits the following Buick Models:
    • Century | 1997-2000 | CUSTOM, GS, LIMITED, LS, REGAL | 6 Cyl 3.1L
    • Lesabre | 1997-2003 | CUSTOM, LIMITED | 6 Cyl 3.8L
    • Park Avenue | 1997-2003 | PARK AVENUE, ULTRA | 6 Cyl 3.8L
    • Regal | 1997-2003 | CUSTOM, GL, GLX, GS, LIMITED, LS, REGAL | 6 Cyl 3.8L
    • Riviera | 1996-1999 | RIVIERA | 6 Cyl 3.8L
    • Skylark | 1997-1998 | 2 DOOR, 4 DOOR | 6 Cyl 3.1L
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  • Buick Oxygen Sensor - 12559850
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    Buick Sensor,Heated Oxygen

    Part Number: 12559850
    • Other Name: SENSOR, Computer Control Sensors; Front Oxygen Sensor, Oxygen Sensor
    $55.99 MSRP: $116.26
    You Save: $60.27 (52%)
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    Fits the following Buick Models:
    • Century | 2001-2004 | CUSTOM, GL, GLX, GS, LIMITED, LS | 6 Cyl 3.1L
    • Regal | 2001-2004 | CUSTOM, GL, GLX, GS, LIMITED, LS
    • Rendezvous | 2002-2004 | AWD, RENDEZVOUS | 6 Cyl 3.4L, 6 Cyl 3.6L
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  • Buick Oxygen Sensor - 12590749
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    Buick Sensor Assembly, Heated Oxygen (Position 2)

    Part Number: 12590749
    • Other Name: SENSOR, Computer Control Sensors; Front Oxygen Sensor, Oxygen Sensor
    $44.79 MSRP: $92.99
    You Save: $48.20 (52%)
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    Fits the following Buick Models:
    • Rainier | 2007 | 4 DOOR | 8 Cyl 5.3L
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  • Buick Oxygen Sensor - 12604913
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    Buick Sensor Assembly, Heated Oxygen (Position 2)

    Part Number: 12604913
    • Other Name: SENSOR, Computer Control Sensors; Front Oxygen Sensor, Oxygen Sensor
    $46.11 MSRP: $95.74
    You Save: $49.63 (52%)
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    Fits the following Buick Models:
    • Rainier | 2006 | 4 DOOR | 8 Cyl 5.3L
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  • Buick Oxygen Sensor - 12604538
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    Buick Sensor Assembly, Heated Oxygen (Position 2)

    Part Number: 12604538
    • Other Name: SENSOR, Computer Control Sensors; Rear Oxygen Sensor
    $87.66 MSRP: $182.02
    You Save: $94.36 (52%)
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    Fits the following Buick Models:
    • Rainier | 2007 | 4 DOOR | 6 Cyl 4.2L
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  • Buick Oxygen Sensor - 12701634
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    Buick Sensor Assembly, Htd Oxy(Pre, Catalyst Bank 1 Se

    Part Number: 12701634
    • Replaces: 12663317
    $56.21 MSRP: $116.72
    You Save: $60.51 (52%)
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    Fits the following Buick Models:
    • Encore | 2021, 2016-2019 | CX 4 DOOR SPORT UTILITY, CXL 4 DOOR SPORT UTILITY | 4 Cyl 1.4L
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  • Buick Oxygen Sensor - 19209808
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    Buick Sensor Asm,Heated Oxygen (Position 3)

    Part Number: 19209808
    • Other Name: SENSOR, Computer Control Sensors; Oxygen Sensor, Rear Oxygen Sensor
    • Replaces: 25333812, 12573168, 12583806, 19210711, 12575389, 19256731
    $49.59 MSRP: $102.98
    You Save: $53.39 (52%)
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    Fits the following Buick Models:
    • Rainier | 2005 | 4 DOOR | 8 Cyl 5.3L
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  • Buick Oxygen Sensor - 12634061
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    Buick Sensor Assembly, Heated Oxygen (Pre, Cataly

    Part Number: 12634061
    • Other Name: SENSOR, Computer Control Sensors
    • Replaces: 12607333
    $42.26 MSRP: $79.74
    You Save: $37.48 (48%)
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    Fits the following Buick Models:
    • Allure | 2012-2015 | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 6 Cyl 3.6L
    • Enclave | 2009-2011 | SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD, SPORT UTILITY VEHICLE AWD | 6 Cyl 3.6L
    • LaCrosse | 2012-2016 | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 6 Cyl 3.6L
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  • Buick Oxygen Sensor - 12667438
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    Buick Sensor Assembly, Heated Oxygen (Pre, Catalyst Bank 2 S

    Part Number: 12667438
    • Other Name: SENSOR, Computer Control Sensors
    $37.76 MSRP: $78.39
    You Save: $40.63 (52%)
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    Fits the following Buick Models:
    • Enclave | 2018-2021 | BASE EXTENDED 4 DOOR SUV, PREMIUM 1 EXTENDED 4 DOOR SUV, PREMIUM 2 EXTENDED 4 DOOR SUV | 6 Cyl 3.6L
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  • Buick Oxygen Sensor - 55572993
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    Buick Sensor Assembly, Heated Oxygen (Position 1)

    Part Number: 55572993
    • Other Name: SENSOR, Computer Control Sensors
    $46.27 MSRP: $96.08
    You Save: $49.81 (52%)
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    Fits the following Buick Models:
    • Encore | 2013-2021 | CX 4 DOOR SPORT UTILITY, CXL 4 DOOR SPORT UTILITY | 4 Cyl 1.4L
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  • Buick Oxygen Sensor - 12683553
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    Buick Sensor Assembly, Heated Oxygen (Post, Catalyst Bank 1

    Part Number: 12683553
    • Other Name: Sensor Assembly, Htd Oxy (Post, Catalyst Bank 1
    • Replaces: 12627140
    $49.31 MSRP: $102.40
    You Save: $53.09 (52%)
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    Fits the following Buick Models:
    • LaCrosse | 2018-2019 | 4 DOOR CX EXT NOTCHBACK, 4 DOOR CXL EXT NOTCHBACK | 4 Cyl 2.5L
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  • Buick Oxygen Sensor - 12616502
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    Buick Sensor Assembly, Heated Oxygen (Position 1)

    Part Number: 12616502
    • Other Name: SENSOR, Computer Control Sensors
    • Replaces: 12617648
    $76.31 MSRP: $158.44
    You Save: $82.13 (52%)
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    Fits the following Buick Models:
    • Allure | 2010-2015 | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN | 4 Cyl 2.4L
    • LaCrosse | 2010-2016 | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN | 4 Cyl 2.4L
    • Regal | 2011-2017 | CX 4 DOOR SEDAN, CXL 4 DOOR SEDAN, CXL TURBO 4 DOOR SEDAN, CXS 4 DOOR SEDAN | 4 Cyl 2.0L, 4 Cyl 2.4L
    • Verano | 2012-2017 | CX 4 DOOR NOTCHBACK, CXL 4 DOOR NOTCHBACK | 4 Cyl 2.0L, 4 Cyl 2.4L
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  • Buick Oxygen Sensor - 12576131
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    Buick Sensor,Heated Oxygen(Position 1)

    Part Number: 12576131
    • Other Name: SENSOR, Computer Control Sensors; Front Oxygen Sensor, Oxygen Sensor
    $48.16 MSRP: $100.02
    You Save: $51.86 (52%)
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    Fits the following Buick Models:
    • Allure | 2005-2006 | CX (US)/ALLURE CX (CAN), CX 4 DOOR, CXL 4 DOOR, CXL(US)/ALLURE CXL(CAN), CXS 4 DOOR, CXS(US)/Allure CXS(CAN) | 6 Cyl 3.8L
    • LaCrosse | 2005-2006 | CX (US)/ALLURE CX (CAN), CX 4 DOOR, CXL 4 DOOR, CXL(US)/ALLURE CXL(CAN), CXS 4 DOOR, CXS(US)/Allure CXS(CAN) | 6 Cyl 3.8L
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  • Buick Oxygen Sensor - 12652845
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    Buick Sensor Assembly, Heated Oxygen (Pre, Cataly

    Part Number: 12652845
    • Other Name: SENSOR, Computer Control Sensors; Oxygen Sensor, Upper Oxygen Sensor
    • Replaces: 12677120
    $43.65 MSRP: $90.62
    You Save: $46.97 (52%)
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    Fits the following Buick Models:
    • Envision | 2016-2020 | 4 DOOR PREMIUM, 4 DOOR PREMIUM 2 | 4 Cyl 2.0L
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  • Buick Oxygen Sensor - 12597878
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    Buick Sensor Assembly, Heated Oxygen (Position 1)

    Part Number: 12597878
    • Other Name: SENSOR, Computer Control Sensors; Front Oxygen Sensor, Oxygen Sensor
    $48.16 MSRP: $100.02
    You Save: $51.86 (52%)
    Add to Cart
    More Info
    Fits the following Buick Models:
    • Allure | 2007-2009 | CX (US)/ALLURE CX (CAN), CX 4 DOOR, CXL 4 DOOR, CXL(US)/ALLURE CXL(CAN), CXS 4 DOOR, CXS(US)/Allure CXS(CAN), SUPER SERIES 4 DOOR | 6 Cyl 3.8L
    • LaCrosse | 2007-2009 | CX (US)/ALLURE CX (CAN), CX 4 DOOR, CXL 4 DOOR, CXL(US)/ALLURE CXL(CAN), CXS 4 DOOR, CXS(US)/Allure CXS(CAN), SUPER SERIES 4 DOOR | 6 Cyl 3.8L
    • Lucerne | 2007-2008 | CX 4 DOOR, CXL, CXL 4 DOOR, CXS | 6 Cyl 3.8L
    • Rendezvous | 2006-2007 | AWD, RENDEZVOUS | 6 Cyl 3.5L
    • Terraza | 2005-2006 | CROSSOVER SPORT VAN EXTENDED, CROSSOVER SPORT VAN EXTENDED AWD | 6 Cyl 3.5L
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  • Buick Oxygen Sensor - 19178949
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    Buick Sensor Asm,Heated Oxygen (Position 2)

    Part Number: 19178949
    • Other Name: SENSOR, Computer Control Sensors; Oxygen Sensor
    • Replaces: 25312195, 25162980, 25163185, 25312204, 25164727
    $60.92 MSRP: $145.04
    You Save: $84.12 (58%)
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    Fits the following Buick Models:
    • Skylark | 1996-1998 | 2 DOOR, 4 DOOR | 4 Cyl 2.4L, 6 Cyl 3.1L
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  • Buick Oxygen Sensor - 25176707
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    Buick SENSOR, Computer Control Sensors

    Part Number: 25176707
    • Other Name: Oxygen Sensor
    • Replaces: 10042186
    $36.78 MSRP: $54.74
    You Save: $17.96 (33%)
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    Fits the following Buick Models:
    • Skylark | 1987-1991 | 2 DOOR, 4 DOOR, CUSTOM, CUSTOM 2 DOOR, GRAN SPORT 2 DOOR, LIMITED 2 DOOR, LIMITED 4 DOOR, LUXURY EDITION 4 DOOR, SKYLARK | 4 Cyl 2.5L
    • Somerset | 1987 | 2 DOOR, CUSTOM, LIMITED 2 DOOR, LIMITED 4 DOOR | 4 Cyl 2.5L
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  • Buick Oxygen Sensor - 55574135
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    Buick Sensor Assembly, Heated Oxygen (Position 2)

    Part Number: 55574135
    • Other Name: SENSOR, Computer Control Sensors; Lower Oxygen Sensor, Oxygen Sensor
    $57.22 MSRP: $118.82
    You Save: $61.60 (52%)
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    Fits the following Buick Models:
    • Encore | 2013-2021 | CX 4 DOOR SPORT UTILITY, CXL 4 DOOR SPORT UTILITY | 4 Cyl 1.4L
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  • Buick Oxygen Sensor - 19209816
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    Buick Sensor Asm,Heated Oxygen (Position 3)

    Part Number: 19209816
    • Other Name: SENSOR, Computer Control Sensors; Oxygen Sensor, Rear Oxygen Sensor
    • Replaces: 12600893, 12611870
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    Fits the following Buick Models:
    • Rainier | 2006-2007 | 4 DOOR | 8 Cyl 5.3L
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About Buick Oxygen Sensor

The role of the oxygen sensor is to effectively control fuel emissions for better engine performance and fuel economy. It analyzes the exhaust fumes and deposits produced by the engine to gather data of the air-fuel ratio. If the ratio is off, the sensor sends feedback to the vehicle's engine control system so the fuel mixture can be adjusted accordingly. Common signs of a faulty Buick oxygen sensor are unstable idling speeds and a sudden drop in gas mileage.