How to replace the Heated Oxygen Sensor (HO2S) at Position 2 on 2005 Buick LaCrosse?

The first step for heated Oxygen Sensor (HO2S) at position 2 replacement requires you to raise and support the vehicle. Detach the ho2s electrical connector before withdrawing the sensor with caution toward the Exhaust Manifold/pipe threads to prevent damage through excessive force injection. The maintenance process requires engine temperatures exceeding 48°c (120°F) because it helps with the removal operation. The new ho2s requires special anti-seize compound on its threads during installation if you use the same sensor with p/n 5613695 or equivalent and the tightening torque should be between 2 to 42 n.m (31 lb ft). The installment process ends with fastening the ho2s electrical connector after lowering the car. Handle sensors with careful handling by keeping both the in-line electrical connection and louvered end free from contaminants and do not use cleaning solutions.

OEM 2005 Buick LaCrosse Oxygen Sensor

Oxygen O2 Sensor

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5 Oxygen Sensors found

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2005 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 2005 Buick LaCrosse Submodels:
- CX, CXL | 6 Cyl 3.8 L GAS
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2005 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 2005 Buick LaCrosse Submodels:
- CX, CXL | 6 Cyl 3.8 L GAS
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2005 Buick LaCrosse Oxygen Sensor
Part Number: 12576131
$50.56 MSRP: $102.72
You Save: $52.16 (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.
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Fits the following 2005 Buick LaCrosse Submodels:
- CX, CXL | 6 Cyl 3.8 L GAS
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2005 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 2005 Buick LaCrosse Submodels:
- CXS | 6 Cyl 3.6 L GAS
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2005 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 2005 Buick LaCrosse Submodels:
- CXS | 6 Cyl 3.6 L GAS

2005 Buick LaCrosse Oxygen Sensor

With a comprehensive array of OEM 2005 Buick LaCrosse Oxygen Sensor, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2005 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.

2005 Buick LaCrosse Parts Questions & Experts Answers

Q: How to replace the Heated Oxygen Sensor (HO2S) at Position 2 on 2005 Buick LaCrosse?
A: The first step for heated Oxygen Sensor (HO2S) at position 2 replacement requires you to raise and support the vehicle. Detach the ho2s electrical connector before withdrawing the sensor with caution toward the Exhaust Manifold/pipe threads to prevent damage through excessive force injection. The maintenance process requires engine temperatures exceeding 48°c (120°F) because it helps with the removal operation. The new ho2s requires special anti-seize compound on its threads during installation if you use the same sensor with p/n 5613695 or equivalent and the tightening torque should be between 2 to 42 n.m (31 lb ft). The installment process ends with fastening the ho2s electrical connector after lowering the car. Handle sensors with careful handling by keeping both the in-line electrical connection and louvered end free from contaminants and do not use cleaning solutions.

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2006 Buick LaCrosse Oxygen Sensor