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

To change heated Oxygen Sensor ho2s one should first prepare some tools such as Oxygen Sensor wrench (J 39194). Start by taking out the intake manifold cover. Remove the electric connector of the engine harness from the ho2s pigtail and remove the ho2s pigtail clip from the sight shield bracket. It's necessary to remove the ho2s if the temperature of the engine exceeds 48°c (120°F) to prevent the fact that it may be challenging. Use the Oxygen Sensor wrench (J 39194) to unclasp the ho2s from the Exhaust Manifold. If replacing with an old sensor, make sure to cover the threads with anti-seize compound gm p/n 12377953 or its equivalent while installation. Apply the ho2s with the Oxygen Sensor wrench (J 39194) and tighten it to 42 n.m (31 lb ft). Reconnect the engine harness electrical connector to the ho2s pigtail and install the ho2s pigtail clip to the sight shield bracket, and doing a final reinstallation of intake manifold cover.

OEM Buick Lucerne Oxygen Sensor

Oxygen O2 Sensor

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Make

Model

Year

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

8 Oxygen Sensors found

View related parts
Buick Lucerne Oxygen Sensor Part Number: 19209814
$59.22 MSRP: $120.28
You Save: $61.06 (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
- 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
View related parts
Buick Lucerne Oxygen Sensor Part Number: 19209807
$87.79 MSRP: $178.30
You Save: $90.51 (51%)
Ships in 1-2 Business Days
ADD TO CART
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
View related parts
Buick Lucerne Oxygen Sensor Part Number: 12597990
$52.78 MSRP: $107.22
You Save: $54.44 (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:
- 2006-2011 Buick Lucerne | CXL, CXS, Super | 8 Cyl 4.6 L GAS
View related parts
Buick Lucerne Oxygen Sensor Part Number: 12597989
$77.33 MSRP: $157.06
You Save: $79.73 (51%)
Ships in 1-2 Business Days
ADD TO CART
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
View related parts
Buick Lucerne Oxygen Sensor Part Number: 12594452
$54.19 MSRP: $110.06
You Save: $55.87 (51%)
Ships in 1-3 Business Days
ADD TO CART
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
View related parts
Buick Lucerne Oxygen Sensor Part Number: 12622643
$89.46 MSRP: $181.70
You Save: $92.24 (51%)
Ships in 1-2 Business Days
ADD TO CART
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
View related parts
Buick Lucerne Oxygen Sensor Part Number: 12597878
$51.58 MSRP: $104.78
You Save: $53.20 (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:
- 2006-2008 Buick Lucerne | CX, CXL | 6 Cyl 3.8 L GAS
View related parts
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

Want to cut long-term maintenance and repair costs? Choose OEM Oxygen Sensor. Those parts deliver top durability you can trust. On our site, you'll find a huge catalog of genuine Buick Lucerne parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Buick Lucerne Oxygen Sensor includes a manufacturer's warranty. You can also get an easy return policy that keeps buying risk free. Fast delivery, get your car on the road quickly. It's simple to search, compare, and order. Stop guessing about quality or fit. Order today and save with parts that last.

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 and Q&A

Oxygen Sensor
19209814
Q: How to replace the Heated Oxygen Sensor (HO2S) on Buick Lucerne?
A:
To change heated Oxygen Sensor ho2s one should first prepare some tools such as Oxygen Sensor wrench (J 39194). Start by taking out the intake manifold cover. Remove the electric connector of the engine harness from the ho2s pigtail and remove the ho2s pigtail clip from the sight shield bracket. It's necessary to remove the ho2s if the temperature of the engine exceeds 48°c (120°F) to prevent the fact that it may be challenging. Use the Oxygen Sensor wrench (J 39194) to unclasp the ho2s from the Exhaust Manifold. If replacing with an old sensor, make sure to cover the threads with anti-seize compound gm p/n 12377953 or its equivalent while installation. Apply the ho2s with the Oxygen Sensor wrench (J 39194) and tighten it to 42 n.m (31 lb ft). Reconnect the engine harness electrical connector to the ho2s pigtail and install the ho2s pigtail clip to the sight shield bracket, and doing a final reinstallation of intake manifold cover.