How to replace the Heated Oxygen Sensor (HO2S) on Buick Lucerne?

To change the heated Oxygen Sensor (HO2S) you need to obtain the required tools; these are the Oxygen Sensor wrench (J 39194). Start with an intake manifold cover removal and separating the engine harness electrical connector from the ho2s pigtail. Next you will take the ho2s pigtail clip off the sight shield bracket, lift and position the vehicle. It is recommended to take out the ho2s if engine temperature is high because of difficulty in removing it. Temperature should not be above 48°c (120°F). Remove the ho2s from the Exhaust Manifold using the Oxygen Sensor wrench (J 39194). When installing, a special anti-seize compound gm p/n12377953 or the like must be applied on the threads of the old sensor in case it has to be reinstalled. Install the ho2s with the help of the Oxygen Sensor wrench (J 39194), and tighten it to 42 n.m (31 lb ft). Lastly, lower the vehicle, then reconnect the engine harness electrical connector to the ho2s pigtail and install the ho2s pigtail clip to the sight shield bracket re-install the intake manifold cover.

OEM Buick Lucerne Oxygen Sensor

Oxygen O2 Sensor

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8 Oxygen Sensors found

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Buick Lucerne Oxygen Sensor Part Number: 19209814
$59.22 MSRP: $120.28
You Save: $61.06 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly, Heated Oxygen (Position 1); Front Oxygen Sensor; Sensor, Computer Control Sensors
- Replaces: 12574218
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2008 Buick Lucerne | CX, CXL | 6 Cyl 3.8 L GAS
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Buick Lucerne 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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2008 Buick Lucerne | CX, CXL | 6 Cyl 3.8 L GAS
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Buick Lucerne Oxygen Sensor Part Number: 12597990
$52.78 MSRP: $107.22
You Save: $54.44 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 1); Front Oxygen Sensor; Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2011 Buick Lucerne | CXL, CXS, Super | 8 Cyl 4.6 L GAS
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Buick Lucerne Oxygen Sensor Part Number: 12597989
$77.33 MSRP: $157.06
You Save: $79.73 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 2); Rear Oxygen Sensor; Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2011 Buick Lucerne | CXL, CXS, Super | 8 Cyl 4.6 L GAS
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Buick Lucerne Oxygen Sensor Part Number: 12594452
$54.19 MSRP: $110.06
You Save: $55.87 (51%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Front Oxygen Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 Buick Lucerne | CX, CXL, CXL Special Edition | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
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Buick Lucerne Oxygen Sensor Part Number: 12622643
$89.46 MSRP: $181.70
You Save: $92.24 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 2); Rear Oxygen Sensor; Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2011 Buick Lucerne | CX, CXL, CXL Special Edition | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS
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Buick Lucerne Oxygen Sensor Part Number: 12597878
$51.58 MSRP: $104.78
You Save: $53.20 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 1); Front Oxygen Sensor; Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2008 Buick Lucerne | CX, CXL | 6 Cyl 3.8 L GAS
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Buick Lucerne Oxygen Sensor Part Number: 12584925
$81.31 MSRP: $165.13
You Save: $83.82 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 1); Front Oxygen Sensor; Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009 Buick Lucerne | CX, CXL | 6 Cyl 3.9 L FLEX, 6 Cyl 3.9 L GAS

Buick Lucerne Oxygen Sensor

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In general, one should not forget about Buick Lucerne Oxygen Sensor as this element can incredibly improve the performance and efficiency of Buick Lucerne cars. Regarded as one of the most dependable and valued units within the automobile, the Oxygen Sensor is tasked with the function of watching the air/fuel combination as it looks for uncombusted oxygen within the exhaust stream. This sensor produces voltage which ENABELS the engine control computer to vary the mixture so that the efficiency of the cat converter is at its maximum and that emission is reduced. Common in the Buick Lucerne is that this model is fitted with at least two oxygen sensors; the V6 or V8 engine models are fitted with four sensors to facilitate monitoring of the exhaust system. It equally boosts on the engine's fuel economy as well as the safety of the car since it minimizes toxic fumes emission. This is because the Buick Lucerne models are compatible with the Oxygen Sensor in as much as it allows drivers to reap the benefits where the feature is optimally functional. More so, the special features found in the Buick Lucerne like the Magnetic Ride Control supports the Oxygen Sensor due to its superior performance in managing the vehicle. These features help enhance the Buick Lucerne's brand image firmly in the automotive market with the desirable qualities for its users as a premium, high performing car which has its focus towards environmental friendliness. Hence, with reliability and efficiency as Buick's trademark, the Buick Lucerne Oxygen Sensor adds to the perfect blend encountering and experiences when behind the wheel.

Buick Lucerne Oxygen Sensor Parts Questions & Experts Answers

Oxygen Sensor
19209807
Q: How to replace the Heated Oxygen Sensor (HO2S) on Buick Lucerne?
A:
To change the heated Oxygen Sensor (HO2S) you need to obtain the required tools; these are the Oxygen Sensor wrench (J 39194). Start with an intake manifold cover removal and separating the engine harness electrical connector from the ho2s pigtail. Next you will take the ho2s pigtail clip off the sight shield bracket, lift and position the vehicle. It is recommended to take out the ho2s if engine temperature is high because of difficulty in removing it. Temperature should not be above 48°c (120°F). Remove the ho2s from the Exhaust Manifold using the Oxygen Sensor wrench (J 39194). When installing, a special anti-seize compound gm p/n12377953 or the like must be applied on the threads of the old sensor in case it has to be reinstalled. Install the ho2s with the help of the Oxygen Sensor wrench (J 39194), and tighten it to 42 n.m (31 lb ft). Lastly, lower the vehicle, then reconnect the engine harness electrical connector to the ho2s pigtail and install the ho2s pigtail clip to the sight shield bracket re-install the intake manifold cover.