How to replace the Heated Oxygen Sensor (HO2S) at Position 2 on 2006 Buick LaCrosse?

To replace the Heated Oxygen Sensor (HO2S) at Position 2, lift the vehicle up and unplug the electrical connector. Remove the HO2S leaving the threads intact. Make sure the engine is warm so it may come out easier. When you install the new sensor use anti seize compound, then reattach the electrical connector and lower the vehicle.

OEM 2006 Buick LaCrosse Oxygen Sensor

Oxygen O2 Sensor

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6 Oxygen Sensors found

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2006 Buick LaCrosse Oxygen Sensor Part Number: 19209817
$81.40 MSRP: $165.32
You Save: $83.92 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor
- Replaces: 12616672
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.2 x 3.1 x 3.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19209817
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2006 Buick LaCrosse Submodels:
- CX, CXL | 6 Cyl 3.8 L GAS
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2006 Buick LaCrosse Oxygen Sensor Part Number: 19209807
$87.79 MSRP: $178.30
You Save: $90.51 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor; Front Oxygen Sensor
- Replaces: 12570149, 12574924, 12572772
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.4 x 3.4 x 3.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19209807
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2006 Buick LaCrosse Submodels:
- CX, CXL | 6 Cyl 3.8 L GAS
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2006 Buick LaCrosse Oxygen Sensor Part Number: 19209814
$59.22 MSRP: $120.28
You Save: $61.06 (51%)
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Product Specifications
- Other Name: Sensor Assembly, Heated Oxygen (Position 1); Front Oxygen Sensor; Sensor, Computer Control Sensors
- Replaces: 12574218
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.2 x 3.2 x 3.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19209814
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 Buick LaCrosse Submodels:
- CX, CXL | 6 Cyl 3.8 L GAS
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2006 Buick LaCrosse Oxygen Sensor Part Number: 12576131
$51.58 MSRP: $104.78
You Save: $53.20 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Front Oxygen Sensor
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.5 x 3.3 x 3.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12576131
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 Buick LaCrosse Submodels:
- CX, CXL | 6 Cyl 3.8 L GAS
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2006 Buick LaCrosse Oxygen Sensor Part Number: 12587096
$93.48 MSRP: $189.85
You Save: $96.37 (51%)
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Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 1); Wideband Air/Fuel Sensor; Air / Fuel Ratio Sensor; Air/Fuel Sensor; Front Oxygen Sensor; Sensor, Computer Control Sensors
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.3 x 3.1 x 3.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12587096
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 Buick LaCrosse Submodels:
- CXS | 6 Cyl 3.6 L GAS
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2006 Buick LaCrosse Oxygen Sensor Part Number: 12584050
$49.06 MSRP: $88.81
You Save: $39.75 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 2); Rear Oxygen Sensor; Front Oxygen Sensor; Sensor, Computer Control Sensors
- Replaces: 12603139
- Item Weight: 0.50 Pounds
- Item Dimensions: 7.4 x 2.0 x 2.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12584050
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 Buick LaCrosse Submodels:
- CXS | 6 Cyl 3.6 L GAS

2006 Buick LaCrosse Oxygen Sensor

With a comprehensive array of OEM 2006 Buick LaCrosse Oxygen Sensor, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2006 Buick LaCrosse Oxygen Sensor are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2006 Buick LaCrosse Oxygen Sensor Parts and Q&A

Q: How to replace the Heated Oxygen Sensor (HO2S) at Position 2 on 2006 Buick LaCrosse?
A: To replace the Heated Oxygen Sensor (HO2S) at Position 2, lift the vehicle up and unplug the electrical connector. Remove the HO2S leaving the threads intact. Make sure the engine is warm so it may come out easier. When you install the new sensor use anti seize compound, then reattach the electrical connector and lower the vehicle.