How to Replace a Heated Oxygen Sensor (HO2S) Without Damaging the Pigtail and Connector on 2004 Buick Regal?

Oxygen Sensor Wrench is to be used to replace the Heated Oxygen Sensor (HO2S). be careful with the HO2S, O2S and keep connectors clean. lift the car, unscrew the HO2S connector and take out the sensor. Installation of the new sensor using anti-seize compound, tighten it and reconnect electrical connector.

OEM 2004 Buick Regal Oxygen Sensor

Oxygen O2 Sensor

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3 Oxygen Sensors found

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2004 Buick Regal Oxygen Sensor Part Number: 19178747
$83.90 MSRP: $151.86
You Save: $67.96 (45%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Replaced by: 19355307
- Item Weight: 0.60 Pounds
- Item Dimensions: 8.1 x 2.1 x 2.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19178747
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2004 Buick Regal Submodels:
- GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
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2004 Buick Regal 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 2004 Buick Regal Submodels:
- GS, LS | 6 Cyl 3.8 L GAS
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2004 Buick Regal 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 2004 Buick Regal Submodels:
- GS, LS | 6 Cyl 3.8 L GAS

2004 Buick Regal Oxygen Sensor

With a comprehensive array of OEM 2004 Buick Regal Oxygen Sensor, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2004 Buick Regal 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.

2004 Buick Regal Oxygen Sensor Parts and Q&A

Q: How to Replace a Heated Oxygen Sensor (HO2S) Without Damaging the Pigtail and Connector on 2004 Buick Regal?
A: Oxygen Sensor Wrench is to be used to replace the Heated Oxygen Sensor (HO2S). be careful with the HO2S, O2S and keep connectors clean. lift the car, unscrew the HO2S connector and take out the sensor. Installation of the new sensor using anti-seize compound, tighten it and reconnect electrical connector.