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2008 Buick LaCrosse Oxygen Sensor

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2008 Buick LaCrosse
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Oxygen Sensors
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42 Products found

7 Q&A for Oxygen Sensor Repair
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  • OEM 2008 Buick LaCrosse Front Oxygen Sensor - 19209814

    OEM (Genuine) 2008 Buick LaCrosse Front Oxygen Sensor

    PartNumber: 19209814
    $63.74 MSRP: $120.28
    You Save: $56.54 (48%)
    Product Specifications
    • Notes: 3.8 Liter, Federal; Lacrosse; Front; 3.8l; Federal
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Dimensions: 8.5 x 3.2 x 3.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12574218
    • Part Description: 2008 Buick LaCrosse Front Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | CX, CXL | 6 Cyl 3.8 L GAS
  • Denso Oxygen Sensor for 2008 Buick LaCrosse - 234-4236
    Product Specifications
    • Notes: DENSO is the OE Manufacturer / Oxygen Sensor
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511113015
    • Wire Harness Length: 12.2" (309.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2008 Buick LaCrosse Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | All Trims | 8 Cyl 5.3L
  • OEM 2008 Buick LaCrosse Front Oxygen Sensor - 12597878

    OEM (Genuine) 2008 Buick LaCrosse Front Oxygen Sensor

    PartNumber: 12597878
    $54.42 MSRP: $102.72
    You Save: $48.30 (48%)
    Product Specifications
    • Notes: 3.8 Liter, California; Lacrosse; Front; 3.8l; California
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Dimensions: 8.2 x 3.0 x 3.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2008 Buick LaCrosse Front Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | CX, CXL | 6 Cyl 3.8 L GAS
  • Delphi Oxygen Sensor for 2008 Buick LaCrosse - ES10920
    Product Specifications
    • Connector Shape: Square
    • Position: Front
    • Terminal Quantity: 5
    • Terminal Type: Blade
    • UPC: 689604146873
    • Wire Harness Length: 24" (600 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2008 Buick LaCrosse Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | CXS | 6 Cyl 3.6L
  • Denso Oxygen Sensor for 2008 Buick LaCrosse - 234-4815
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511113275
    • Wire Harness Length: 12.24" (310.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2008 Buick LaCrosse Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | All Trims | 6 Cyl 3.6L
  • Spectra Premium Oxygen Sensor for 2008 Buick LaCrosse - OS5461
    Product Specifications
    • Notes: Bank 1 Sensor 2
    • Connector Gender: Female
    • Connector Shape: Trapeze
    • Installation Type: Screw
    • Overall Length: 22 5/8"
    • Position: Downstream
    • Sensor Type: Heated - Zirconia
    • Terminal Quantity: 4
    • Thread: M18 X 1.5 mm
    • UPC: 671607159714
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2008 Buick LaCrosse Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | All Trims | 6 Cyl 3.6L
  • OEM 2008 Buick LaCrosse Front Oxygen Sensor - 12584050

    OEM (Genuine) 2008 Buick LaCrosse Front Oxygen Sensor

    PartNumber: 12584050
    $48.83 MSRP: $88.81
    You Save: $39.98 (46%)
    Product Specifications
    • Notes: 3.6 Liter; Lacrosse; Rear; 3.6l
    • Item Dimensions: 7.1 x 2.1 x 2.1 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12603139
    • Part Description: 2008 Buick LaCrosse Front Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | CXS | 6 Cyl 3.6 L GAS
  • Walker Products Wideband Premium Oxygen Sensor for 2008 Buick LaCrosse - 250-25002
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 24.72"(627.888 mm)
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620039997
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 21.18"(537.972 mm)
    • Wires Quantity: 5 Wire Leads
    • Part Description: 2008 Buick LaCrosse Wideband Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | All Trims | 6 Cyl 3.6L
  • NTK OE Type Oxygen Sensor for 2008 Buick LaCrosse - 21546
    Product Specifications
    • Notes: B1S1; Calif Emissions; OE Equivalent Design
    • Mounting Type: Threaded
    • Sensor Type: Heated
    • Thread Diameter: 18.000
    • Universal Or Specific Fit: Specific
    • UPC: 087295215463
    • Wire Quantity: 4
    • Wiring Harness Length: 16.5000
    • Part Description: 2008 Buick LaCrosse OE Type Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | All Trims | 6 Cyl 3.8L
  • Delphi Oxygen Sensor for 2008 Buick LaCrosse - ES20383
    Product Specifications
    • Notes: 16in Length
    • Connector Shape: Triangular
    • Overall Length: 13.6" (340 mm)
    • Position: Upstream
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604207321
    • Wire Harness Length: 12.4" (310 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2008 Buick LaCrosse Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | CX | 6 Cyl 3.8L
    • 2008 Buick LaCrosse | CXL | 6 Cyl 3.8L
  • Denso Universal Fit Oxygen Sensor for 2008 Buick LaCrosse - 234-4209
    Product Specifications
    • Notes: Exc Calif; OE Quality Universal Replacement Sensor;OE Quality Universal Replacement Sensor
    • 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: 2008 Buick LaCrosse Universal Fit Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | All Trims | 6 Cyl 3.8L
  • OEM 2008 Buick LaCrosse Front Oxygen Sensor - 12580466

    OEM (Genuine) 2008 Buick LaCrosse Front Oxygen Sensor

    PartNumber: 12580466
    $72.76 MSRP: $137.31
    You Save: $64.55 (48%)
    Product Specifications
    • Notes: 5.3 Liter; Lacrosse; Front; 5.3l
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Dimensions: 8.2 x 3.0 x 3.2 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2008 Buick LaCrosse Front Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | Super | 8 Cyl 5.3 L GAS
  • Walker Products Oxygen Sensor for 2008 Buick LaCrosse - 350-35041
    Product Specifications
    • Notes: Upstream
    • Connector Gender: Male
    • Connector Shape: Radiused Polygon
    • Installation Type: Threaded
    • Overall Length: 24.72"
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 18.0 mm
    • UPC: 724620095078
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 21.18"
    • Wires Quantity: 5 Wire Leads
    • Part Description: 2008 Buick LaCrosse Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | All Trims | 6 Cyl 3.6L
  • NTK OE Type Oxygen Sensor for 2008 Buick LaCrosse - 21023
    Product Specifications
    • Notes: B1S2; OE MFR: NTK
    • Installation Type: Screw
    • Location: B1S2
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Thread Diameter: 0.71" (18 mm)
    • Wire Harness Length: 12.25" (311.2 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2008 Buick LaCrosse OE Type Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | All Trims | 8 Cyl 5.3L
  • Delphi Oxygen Sensor for 2008 Buick LaCrosse - ES20352
    Product Specifications
    • Connector Shape: Square
    • Position: Front
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604201510
    • Wire Harness Length: 17.2" (430 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2008 Buick LaCrosse Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | Super | 8 Cyl 5.3L
  • Denso Oxygen Sensor for 2008 Buick LaCrosse - 234-4249
    Product Specifications
    • Notes: OE Quality Replacement Sensor
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511117037
    • Wire Harness Length: 11.02" (279.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2008 Buick LaCrosse Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | All Trims | 8 Cyl 5.3L
  • OEM 2008 Buick LaCrosse Front Oxygen Sensor - 12587096

    OEM (Genuine) 2008 Buick LaCrosse Front Oxygen Sensor

    PartNumber: 12587096
    $100.62 MSRP: $189.85
    You Save: $89.23 (48%)
    Product Specifications
    • Notes: 3.6 Liter; Lacrosse; Front; 3.6l
    • Other Names: Front Oxygen Sensor, Oxygen Sensor
    • Item Dimensions: 8.2 x 3.2 x 3.2 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2008 Buick LaCrosse Front Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | CXS | 6 Cyl 3.6 L GAS
  • Walker Products Premium Oxygen Sensor for 2008 Buick LaCrosse - 250-24248
    Product Specifications
    • Notes: Calif-ESV; B1S2;Non Calif-ESV; B1S2
    • Connector Gender: Male
    • Overall Length: 16.85"(427.99 mm)
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620040900
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 13.31"(338.074 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2008 Buick LaCrosse Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | All Trims | 6 Cyl 3.8L
  • Delphi Oxygen Sensor for 2008 Buick LaCrosse - ES20007
    Product Specifications
    • Notes: with California Emission System;12in Length
    • Connector Shape: Square
    • Position: Rear
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604145524
    • Wire Harness Length: 12.4" (310 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2008 Buick LaCrosse Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | CX | 6 Cyl 3.8L
    • 2008 Buick LaCrosse | CXL | 6 Cyl 3.8L
  • Denso Oxygen Sensor for 2008 Buick LaCrosse - 234-4103
    Product Specifications
    • Notes: DENSO is the OE Manufacturer / Oxygen Sensor
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Downstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511141032
    • Wire Harness Length: 14.76" (374.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2008 Buick LaCrosse Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | All Trims | 6 Cyl 3.8L
  • OEM 2008 Buick LaCrosse Rear Oxygen Sensor - 19209817

    OEM (Genuine) 2008 Buick LaCrosse Rear Oxygen Sensor

    PartNumber: 19209817
    $87.61 MSRP: $165.32
    You Save: $77.71 (48%)
    Product Specifications
    • Notes: 3.8 Liter; Lacrosse; Rear; 3.8l
    • Other Names: Oxygen Sensor, Rear Oxygen Sensor
    • Item Dimensions: 8.2 x 3.2 x 3.0 inches
    • Item Weight: 0.70 Pounds
    • Fitment Type: Direct Replacement
    • Replaces: 12616672
    • Part Description: 2008 Buick LaCrosse Rear Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | CX, CXL | 6 Cyl 3.8 L GAS
  • Walker Products Premium Oxygen Sensor for 2008 Buick LaCrosse - 250-24273
    Product Specifications
    • Notes: Non Calif-ESV; B1S1
    • Connector Gender: Female
    • Location: B1S1 Sensor
    • Overall Length: 13.31"(338.074 mm)
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620041082
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 9.76"(247.904 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2008 Buick LaCrosse Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | All Trims | 6 Cyl 3.8L
  • Delphi Oxygen Sensor for 2008 Buick LaCrosse - ES20012
    Product Specifications
    • Connector Shape: Triangular
    • Position: Rear
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604147337
    • Wire Harness Length: 20.8" (520 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2008 Buick LaCrosse Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | CXS | 6 Cyl 3.6L
  • Denso Universal Fit Oxygen Sensor for 2008 Buick LaCrosse - 234-4212
    Product Specifications
    • Notes: Calif; OE Quality Universal Replacement Sensor
    • Installation Type: Screw
    • O2 Sensor Configuration: Universal
    • OE Part Number: 5C5Z9F472AA, 88Z9F472AB
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511142121
    • Wire Harness Length: 11.77" (299 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2008 Buick LaCrosse Universal Fit Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | All Trims | 6 Cyl 3.8L
  • OEM 2008 Buick LaCrosse Rear Oxygen Sensor - 12615124

    OEM (Genuine) 2008 Buick LaCrosse Rear Oxygen Sensor

    PartNumber: 12615124
    $101.74 MSRP: $191.98
    You Save: $90.24 (48%)
    Product Specifications
    • Notes: 5.3 Liter; Lacrosse; Rear; 5.3l
    • Other Names: Oxygen Sensor, Rear Oxygen Sensor
    • Item Dimensions: 8.1 x 3.2 x 3.1 inches
    • Item Weight: 0.60 Pounds
    • Fitment Type: Direct Replacement
    • Part Description: 2008 Buick LaCrosse Rear Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | Super | 8 Cyl 5.3 L GAS
  • Walker Products Premium Oxygen Sensor for 2008 Buick LaCrosse - 250-24703
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 18.03"(457.962 mm)
    • Position: Upstream Passenger Side
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620014239
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 14.49"(368.046 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2008 Buick LaCrosse Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | All Trims | 8 Cyl 5.3L
  • Delphi Oxygen Sensor for 2008 Buick LaCrosse - ES20096
    Product Specifications
    • Notes: without California Emission System;17in Cone Length
    • Connector Shape: Square
    • Position: Front
    • Terminal Quantity: 4
    • Terminal Type: Blade
    • UPC: 689604145173
    • Wire Harness Length: 12.4" (310 mm)
    • Wrench Size: 0.88" (22 mm)
    • Part Description: 2008 Buick LaCrosse Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | CX | 6 Cyl 3.8L
    • 2008 Buick LaCrosse | CXL | 6 Cyl 3.8L
  • Denso Oxygen Sensor for 2008 Buick LaCrosse - 234-4646
    Product Specifications
    • Notes: Exc Calif; OE Quality Replacement Sensor
    • Connector Gender: Female
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511146464
    • Wire Harness Length: 12.99" (329.9 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2008 Buick LaCrosse Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | All Trims | 6 Cyl 3.8L
  • Walker Products Premium Oxygen Sensor for 2008 Buick LaCrosse - 250-24649
    Product Specifications
    • Connector Gender: Male
    • Overall Length: 21.57"(547.878 mm)
    • Position: Upstream Rear
    • Sensor Type: Heated
    • Thread Diameter: 0.71"(18.0 mm)
    • UPC: 724620039720
    • Wire Gauge Measurement: 20 Gauge
    • Wire Harness Length: 18.03"(457.962 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2008 Buick LaCrosse Premium Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | All Trims | 6 Cyl 3.6L
  • Denso Oxygen Sensor for 2008 Buick LaCrosse - 234-4668
    Product Specifications
    • Notes: Calif; DENSO is the OE Manufacturer / Oxygen Sensor
    • Connector Gender: Male
    • Installation Type: Screw
    • O2 Sensor Configuration: Direct Fit
    • Position: Upstream
    • Sensor Type: Heated
    • Thread Diameter: 0.71" (18 mm)
    • UPC: 042511112568
    • Wire Harness Length: 15.75" (400.1 mm)
    • Wires Quantity: 4 Wire Leads
    • Part Description: 2008 Buick LaCrosse Oxygen Sensor
    More Info
    Vehicle Fitment
    • 2008 Buick LaCrosse | All Trims | 6 Cyl 3.8L
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FAQ for Oxygen Sensor Repair

Q: What is the heated oxygen sensor installation procedure?
A:
Install the bank 2 sensor 2 to the catalytic converter and tighten the sensor bolt to 42 Nm. Connect the bank 2 sensor 2 electrical connector and install the CPA retainer.
By Bob
GM Specialist
02/11/2022
Q: What does soldering cause to wiring?
A:
Soldering a wire may cause the loss of air reference to the sensor.
By Bob
GM Specialist
02/11/2022
Q: What causes contamination of the heated oxygen sensor?
A:
Inappropriate RTV sealant can cause the oxygen sensor to have contamination.
By Bob
GM Specialist
02/11/2022
Q: What does a proper oxygen sensor require?
A:
The oxygen sensor requires air reference to function properly.
By Bob
GM Specialist
02/11/2022
Q: How do you install the heated oxygen sensor?
A:
You can re-install the old sensor, and install the CPA retainer, and the sight shield.
By Bob
GM Specialist
02/11/2022
Q: When is the oxygen sensor difficult to remove?
A:
The sensor is difficult to remove when the engine is at a temperature of 120F.
By Bob
GM Specialist
02/11/2022
Q: What is the proper way to remove the heated oxygen sensor?
A:
The proper way is to remove the intake manifold sight shield, the CPA retainer, and the bank sensor.
By Bob
GM Specialist
02/11/2022
See more FAQs (2)