How to replace the Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 on Cadillac Escalade?

To change the Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1, first lift the vehicle and unplug the connector HO2S. Pull off the HO2S with the Oxygen Sensor Wrench (J 39194-B). While performing the installation, if the sensor provider for reinstallation, please make sure that threads are covered with anti-seize compound GM P/N 5613695. Thread in the HO2S by using the Oxygen Sensor Wrench (J 39194-B) and tighten it to a torque of 42 N.m (31 lb ft). Finally, link HO2S harness connector and lower the vehicle.

OEM Cadillac Escalade Oxygen Sensor

Oxygen O2 Sensor

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25 Oxygen Sensors found

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Cadillac Escalade Oxygen Sensor Part Number: 19178918
$70.38 MSRP: $142.96
You Save: $72.58 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Replaces: 25163079, 25312200
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2000 Cadillac Escalade | Base | 8 Cyl 5.7 L GAS
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Cadillac Escalade Oxygen Sensor Part Number: 12599866
$69.56 MSRP: $141.27
You Save: $71.71 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 Cadillac Escalade | Base | 8 Cyl 6.0 L GAS
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Cadillac Escalade Heated Oxygen Sensor Part Number: 12657188
$35.29 MSRP: $64.55
You Save: $29.26 (46%)
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 | Base, Luxury, Platinum, Premium, Premium Luxury | 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Cadillac Escalade Oxygen Sensor Part Number: 12589321
$72.41 MSRP: $147.08
You Save: $74.67 (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:
- 2006-2007 Cadillac Escalade | Base | 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
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Cadillac Escalade Oxygen Sensor Part Number: 12572705
$90.49 MSRP: $183.78
You Save: $93.29 (51%)
Ships in 1 Business Day
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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:
- 2003-2006 Cadillac Escalade | Base | 8 Cyl 6.0 L GAS
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Cadillac Escalade 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 | Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum | 8 Cyl 6.2 L GAS
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Cadillac Escalade Oxygen Sensor, Driver Side Part Number: 19209812
$72.70 MSRP: $147.66
You Save: $74.96 (51%)
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 | Base | 8 Cyl 6.0 L GAS
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Cadillac Escalade Oxygen Sensor Part Number: 12587785
$53.24 MSRP: $108.14
You Save: $54.90 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2005 Cadillac Escalade | Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Cadillac Escalade Oxygen Sensor Part Number: 12565397
$67.75 MSRP: $137.61
You Save: $69.86 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Replaces: 12563346
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002 Cadillac Escalade | Base | 8 Cyl 6.0 L GAS
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Cadillac Escalade 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 | Base, Luxury, Platinum, Premium, Premium Luxury | 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Cadillac Escalade Oxygen Sensor Part Number: 12609457
$55.94 MSRP: $113.62
You Save: $57.68 (51%)
Ships in 1-2 Business Days
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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 | Base, Hybrid, Hybrid Platinum, Luxury, Platinum, Premium | 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Cadillac Escalade 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 | Base, Hybrid, Hybrid Platinum, Luxury, Platinum, Premium | 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Cadillac Escalade 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 | Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum, V | 8 Cyl 6.2 L GAS
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Cadillac Escalade Oxygen Sensor Part Number: 19209808
$72.40 MSRP: $147.04
You Save: $74.64 (51%)
Ships in 1-2 Business Days
ADD TO CART
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 | Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Cadillac Escalade Oxygen Sensor Part Number: 19178934
$72.07 MSRP: $146.38
You Save: $74.31 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Replaces: 25312191, 25160540
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2000 Cadillac Escalade | Base | 8 Cyl 5.7 L GAS
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Cadillac Escalade Oxygen Sensor, Passenger Side Part Number: 12702904
$42.49 MSRP: $75.88
You Save: $33.39 (44%)
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 | V | 8 Cyl 6.2 L GAS
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Cadillac Escalade Oxygen Sensor, Driver Side Part Number: 19355311
$80.91 MSRP: $164.32
You Save: $83.41 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Position: Driver Side
- Replaces: 19178923, 25315815
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002 Cadillac Escalade | Base | 8 Cyl 6.0 L GAS
View related parts
Cadillac Escalade Oxygen Sensor, Driver Side Part Number: 12696688
$49.67 MSRP: $88.70
You Save: $39.03 (44%)
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 | V | 8 Cyl 6.2 L GAS
View related parts
Cadillac Escalade Oxygen Sensor Part Number: 19209815
$97.78 MSRP: $182.46
You Save: $84.68 (47%)
ADD TO CART
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 | Base | 8 Cyl 6.2 L GAS
View related parts
Cadillac Escalade Oxygen Sensor Part Number: 12573005
Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2004 Cadillac Escalade | Base | 8 Cyl 5.3 L GAS

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1-20 of 25 Results

Cadillac Escalade 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 Cadillac Escalade parts. Prices are unbeatable, so you can keep more in your pocket. Every OEM Cadillac Escalade 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.

The Oxygen Sensor on Cadillac Escalade vehicles is responsible for measuring the levels of the remaining oxygen in the exhaust gases, it enables optimization of air to fuel ratio as well as reducing the emission of gases. It provides a voltage signal in relation to the oxygen levels and the engine control computer is able to alter the fuel injector timing as a result. Most Cadillac Escalade models have at least two oxygen sensors, the first is located upstream of the catalytic converter, and the second checks the efficiency of the converter. Cadillac Escalade cars over the recent past have incorporated both the standard type of zirconia oxide oxygen sensors and the modern air to fuel ratio sensors. While traditional sensors offer a set of narrow bands which supplied signals to the ECU as to whether the mixture was rich or lean, the AF ratio sensor supplied a broad range of data for the handling of fuel mixture. Contamination and actual degradation over a period of time using up the special features and deteriorating the effectiveness of controlling emission. Oxygen Sensor requires to be checked frequently for it plays essential role in the Cadillac Escalade's engine system as is known.

Cadillac Escalade Oxygen Sensor Parts Questions & Experts Answers

Oxygen Sensor
12565397
Q: How to replace the Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 on Cadillac Escalade?
A:
To change the Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1, first lift the vehicle and unplug the connector HO2S. Pull off the HO2S with the Oxygen Sensor Wrench (J 39194-B). While performing the installation, if the sensor provider for reinstallation, please make sure that threads are covered with anti-seize compound GM P/N 5613695. Thread in the HO2S by using the Oxygen Sensor Wrench (J 39194-B) and tighten it to a torque of 42 N.m (31 lb ft). Finally, link HO2S harness connector and lower the vehicle.