How to replace the Heated Oxygen Sensor - Bank 2 Sensor 1 (2500 Series) on Cadillac Escalade ESV?

First navigate to the right wheelhouse to remove the liner so you can free the connector position assurance retainer to disconnect the HO2S electrical connector that is linked to the engine wiring harness electrical connector. Next, remove the HO2S . The HO2S requires installation with a special anti-seize compound consisting of liquid graphite and glass beads; using GM P/N 12377953 or equivalent product can coat the threads of reused sensors. Fasten the HO2S by applying torque to 42 N.m (31 lb ft). Installation of the right wheelhouse liner requires reconnecting the HO2S electrical connector to the engine wiring harness electrical connector before installing the CPA retainer.

OEM Cadillac Escalade ESV Oxygen Sensor

Oxygen O2 Sensor

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15 Oxygen Sensors found

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Cadillac Escalade ESV Heated Oxygen Sensor Part Number: 12657188
$35.26 MSRP: $61.32
You Save: $26.06 (43%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Oxygen Sensor; Rear Oxygen Sensor; Front Oxygen Sensor; Lower Oxygen Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2020 Cadillac Escalade ESV | Base, Luxury, Platinum, Premium, Premium Luxury | 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Cadillac Escalade ESV Oxygen Sensor, Driver Side Part Number: 19209812
$78.63 MSRP: $147.66
You Save: $69.03 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Position: Driver Side
- Replaces: 19210423, 25333817
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 Cadillac Escalade ESV | Base | 8 Cyl 6.0 L GAS
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Cadillac Escalade ESV Oxygen Sensor Part Number: 19209808
$72.40 MSRP: $147.04
You Save: $74.64 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor
- Replaces: 12575389, 19256731, 25333812, 12583806, 19210711, 12573168
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 Cadillac Escalade ESV | Base | 8 Cyl 6.0 L GAS
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Cadillac Escalade ESV Oxygen Sensor, Passenger Side Part Number: 12687606
$41.06 MSRP: $83.40
You Save: $42.34 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Pre-Catalyst Bank 2 S; Upper Oxygen Sensor; Sensor, Computer Control Sensors
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023 Cadillac Escalade ESV | Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum | 8 Cyl 6.2 L GAS
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Cadillac Escalade ESV Oxygen Sensor Part Number: 12670253
$39.74 MSRP: $80.72
You Save: $40.98 (51%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Lower Oxygen Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023 Cadillac Escalade ESV | Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum, V | 8 Cyl 6.2 L GAS
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Cadillac Escalade ESV Oxygen Sensor Part Number: 12659516
$56.30 MSRP: $114.34
You Save: $58.04 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Pre-Catalyst Bank 1 Se; Rear Oxygen Sensor; Front Oxygen Sensor; Upper Oxygen Sensor; Sensor, Computer Control Sensors
- Replaces: 12637679
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2020 Cadillac Escalade ESV | Base, Luxury, Platinum, Premium, Premium Luxury | 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Cadillac Escalade ESV Oxygen Sensor Part Number: 12609457
$50.35 MSRP: $102.26
You Save: $51.91 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 3); Rear Oxygen Sensor; Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2014 Cadillac Escalade ESV | Base, Luxury, Platinum, Premium | 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Cadillac Escalade ESV Oxygen Sensor Part Number: 12589321
$72.41 MSRP: $147.08
You Save: $74.67 (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:
- 2007 Cadillac Escalade ESV | Base | 8 Cyl 6.2 L GAS
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Cadillac Escalade ESV Oxygen Sensor Part Number: 12587785
$50.59 MSRP: $102.74
You Save: $52.15 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2005 Cadillac Escalade ESV | Base | 8 Cyl 6.0 L GAS
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Cadillac Escalade ESV Oxygen Sensor Part Number: 12583804
$57.31 MSRP: $116.40
You Save: $59.09 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 2); Front Oxygen Sensor; Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2014 Cadillac Escalade ESV | Base, Luxury, Platinum, Premium | 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Cadillac Escalade ESV Oxygen Sensor Part Number: 12572705
$90.49 MSRP: $183.78
You Save: $93.29 (51%)
Ships in 1 Business Day
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:
- 2003-2006 Cadillac Escalade ESV | Base | 8 Cyl 6.0 L GAS
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Cadillac Escalade ESV Oxygen Sensor, Driver Side Part Number: 12668435
$36.51 MSRP: $74.16
You Save: $37.65 (51%)
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Pre-Catalyst Bank 1 Se; Upper Oxygen Sensor; Sensor, Computer Control Sensors
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023 Cadillac Escalade ESV | Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum | 8 Cyl 6.2 L GAS
View related parts
Cadillac Escalade ESV Oxygen Sensor, Passenger Side Part Number: 12702904
$40.41 MSRP: $75.88
You Save: $35.47 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Pre-Catalyst Bank 2 S; Upper Oxygen Sensor; Sensor, Computer Control Sensors
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 Cadillac Escalade ESV | V | 8 Cyl 6.2 L GAS
View related parts
Cadillac Escalade ESV Oxygen Sensor, Driver Side Part Number: 12696688
$47.23 MSRP: $88.70
You Save: $41.47 (47%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Pre-Catalyst Bank 1 Se; Upper Oxygen Sensor; Sensor, Computer Control Sensors
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 Cadillac Escalade ESV | V | 8 Cyl 6.2 L GAS
View related parts
Cadillac Escalade ESV Oxygen Sensor Part Number: 19209815
$102.18 MSRP: $182.46
You Save: $80.28 (44%)
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor
- Replaces: 12590847
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 Cadillac Escalade ESV | Base | 8 Cyl 6.2 L GAS

Cadillac Escalade ESV Oxygen Sensor

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Cadillac Escalade ESV Oxygen Sensor Parts and Q&A

Oxygen Sensor
12583804
Q: How to replace the Heated Oxygen Sensor - Bank 2 Sensor 1 (2500 Series) on Cadillac Escalade ESV?
A:
First navigate to the right wheelhouse to remove the liner so you can free the connector position assurance retainer to disconnect the HO2S electrical connector that is linked to the engine wiring harness electrical connector. Next, remove the HO2S . The HO2S requires installation with a special anti-seize compound consisting of liquid graphite and glass beads; using GM P/N 12377953 or equivalent product can coat the threads of reused sensors. Fasten the HO2S by applying torque to 42 N.m (31 lb ft). Installation of the right wheelhouse liner requires reconnecting the HO2S electrical connector to the engine wiring harness electrical connector before installing the CPA retainer.