How to replace the Heated Oxygen Sensor (HO2S) for Bank 2 Sensor 2 on the LC3 engine on 2006 Cadillac STS?

First replace the heated Oxygen Sensor (HO2S) for bank 2 sensor 2 on the lc3 engine by disassembling the engine sight shield and windshield wiper module while keeping in mind that the sensor exists on the left side of the driver position and resides as the second exhaust sensor from the front toward the rear of the vehicle. Disconnect the Oxygen Sensor electrical connector from engine wiring harness at the back left head position while writing down the connection route and attachment references to recreate the assembly. While supporting the automobile from above disconnect the oxygen detector from its Exhaust Pipe location. When installing the new heated Oxygen Sensor (HO2S) users should mount it to the Exhaust Pipe after applying special anti-seize compound p/n 5613695 or equivalent to threads. Tighten the sensor to 42 n.m (31 lb ft). Follow the wiring steps performed during the disassembly procedure when attaching the wires and drop the vehicle before reuniting the Oxygen Sensor electrical connector with the engine wiring harness at the back of the left head. Afterward, reinstall the windshield wiper module assembly and the engine sight shield.

OEM 2006 Cadillac STS Oxygen Sensor

Oxygen O2 Sensor

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6 Oxygen Sensors found

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2006 Cadillac STS Oxygen Sensor Part Number: 12575657
$149.69 MSRP: $304.03
You Save: $154.34 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Wideband Air/Fuel Sensor; Air / Fuel Ratio Sensor; Air/Fuel Sensor; Front Oxygen Sensor
- Item Weight: 0.60 Pounds
- Item Dimensions: 8.4 x 3.4 x 3.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12575657
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2006 Cadillac STS Submodels:
- Base | 6 Cyl 3.6 L GAS, 8 Cyl 4.6 L GAS
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2006 Cadillac STS Oxygen Sensor Part Number: 12596327
$132.76 MSRP: $269.65
You Save: $136.89 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Wideband Air/Fuel Sensor; Air / Fuel Ratio Sensor; Air/Fuel Sensor; Front Oxygen Sensor
- Item Weight: 0.60 Pounds
- Item Dimensions: 8.4 x 3.4 x 3.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 2
- SKU: 12596327
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2006 Cadillac STS Submodels:
- Base | 6 Cyl 3.6 L GAS, 8 Cyl 4.6 L GAS
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2006 Cadillac STS Oxygen Sensor, Driver Side Part Number: 12597912
$174.78 MSRP: $328.22
You Save: $153.44 (47%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Wideband Air/Fuel Sensor; Air / Fuel Ratio Sensor; Air/Fuel Sensor
- Position: Driver Side
- Item Weight: 0.60 Pounds
- Item Dimensions: 8.1 x 3.1 x 3.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12597912
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2006 Cadillac STS Submodels:
- Base | 8 Cyl 4.6 L GAS
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2006 Cadillac STS Oxygen Sensor Part Number: 12590035
$86.70 MSRP: $154.82
You Save: $68.12 (44%)
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.4 x 3.3 x 3.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 2
- SKU: 12590035
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 Cadillac STS Submodels:
- Base | 6 Cyl 3.6 L GAS, 8 Cyl 4.6 L GAS
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2006 Cadillac STS Oxygen Sensor Part Number: 12588036
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 1); Front Oxygen Sensor; Sensor, Computer Control Sensors
- Item Weight: 0.60 Pounds
- Item Dimensions: 8.2 x 3.0 x 3.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 2
- SKU: 12588036
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2006 Cadillac STS Submodels:
- V | 8 Cyl 4.4 L GAS
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2006 Cadillac STS Oxygen Sensor Part Number: 12609159
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 2); Rear Oxygen Sensor; Sensor, Computer Control Sensors
- Replaces: 12598300
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.2 x 3.2 x 3.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12609159
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2006 Cadillac STS Submodels:
- V | 8 Cyl 4.4 L GAS

2006 Cadillac STS Oxygen Sensor

With a comprehensive array of OEM 2006 Cadillac STS Oxygen Sensor, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2006 Cadillac STS 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 Cadillac STS Oxygen Sensor Parts and Q&A

Q: How to replace the Heated Oxygen Sensor (HO2S) for Bank 2 Sensor 2 on the LC3 engine on 2006 Cadillac STS?
A: First replace the heated Oxygen Sensor (HO2S) for bank 2 sensor 2 on the lc3 engine by disassembling the engine sight shield and windshield wiper module while keeping in mind that the sensor exists on the left side of the driver position and resides as the second exhaust sensor from the front toward the rear of the vehicle. Disconnect the Oxygen Sensor electrical connector from engine wiring harness at the back left head position while writing down the connection route and attachment references to recreate the assembly. While supporting the automobile from above disconnect the oxygen detector from its Exhaust Pipe location. When installing the new heated Oxygen Sensor (HO2S) users should mount it to the Exhaust Pipe after applying special anti-seize compound p/n 5613695 or equivalent to threads. Tighten the sensor to 42 n.m (31 lb ft). Follow the wiring steps performed during the disassembly procedure when attaching the wires and drop the vehicle before reuniting the Oxygen Sensor electrical connector with the engine wiring harness at the back of the left head. Afterward, reinstall the windshield wiper module assembly and the engine sight shield.