How to replace the Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 on Chevrolet Avalanche 2500?

A vehicle needs to be lifted along with proper support for the replacement process of Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1. First remove the connector position assurance (CPA) retainer before separating the electric connection to the HO2S sensor. Remove the HO2S . Use a special anti-seize compound on HO2S threads when installing according to installation instructions. This compound exists as a combination of liquid graphite and glass beads while service replacement sensors arrive with the compound already applied. Prior to reusing the existing sensor threads apply a coating of anti-seize compound equivalent to GM P/N 12377953. Fasten the HO2S sensor until torque reaches 42 N.m (31 lb ft). After connecting the HO2S electrical connector and the CPA retainer, restore the vehicle to its original height.

OEM Chevrolet Avalanche 2500 Oxygen Sensor

Oxygen O2 Sensor

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12 Oxygen Sensors found

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Chevrolet Avalanche 2500 Oxygen Sensor
Part Number: 19178961
$60.23 MSRP: $122.33
You Save: $62.10 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Replaces: 25315809
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002 Chevrolet Avalanche 2500 | Base | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 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:
- 2003-2005 Chevrolet Avalanche 2500 | Base, LS, LT | 8 Cyl 8.1 L GAS
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Chevrolet Avalanche 2500 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 Chevrolet Avalanche 2500 | Base, LS, LT | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 Oxygen Sensor
Part Number: 12599866
$68.20 MSRP: $138.49
You Save: $70.29 (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:
- 2006 Chevrolet Avalanche 2500 | LS, LT | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 Oxygen Sensor
Part Number: 12589321
$71.00 MSRP: $144.20
You Save: $73.20 (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:
- 2006 Chevrolet Avalanche 2500 | LS, LT | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 Oxygen Sensor, Driver Side
Part Number: 12572707
$69.11 MSRP: $140.39
You Save: $71.28 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 3); Sensor, Computer Control Sensors
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 Chevrolet Avalanche 2500 | Base, LS, LT | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 Oxygen Sensor
Part Number: 12572705
$88.71 MSRP: $180.18
You Save: $91.47 (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 Chevrolet Avalanche 2500 | Base, LS, LT | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 Oxygen Sensor
Part Number: 12565397
$66.42 MSRP: $134.91
You Save: $68.49 (51%)
Ships in 1-2 Business Days
ADD TO CART
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 Chevrolet Avalanche 2500 | Base | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 Oxygen Sensor, Driver Side
Part Number: 19355311
$79.31 MSRP: $161.10
You Save: $81.79 (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 Chevrolet Avalanche 2500 | Base | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 Oxygen Sensor
Part Number: 19355306
$60.86 MSRP: $123.60
You Save: $62.74 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly, Heated Oxygen; Sensor, Computer Control Sensors
- Replaces: 19178116, 25163080, 25312201
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002 Chevrolet Avalanche 2500 | Base | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 Oxygen Sensor, Driver Side
Part Number: 12565415
$54.79 MSRP: $170.94
You Save: $116.15 (68%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002 Chevrolet Avalanche 2500 | Base | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Avalanche 2500 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:
- 2003-2005 Chevrolet Avalanche 2500 | Base, LS, LT | 8 Cyl 8.1 L GAS

Chevrolet Avalanche 2500 Oxygen Sensor

Our website offers an extensive catalog of genuine Chevrolet Avalanche 2500 Oxygen Sensor at unbeatable prices. Every OEM Chevrolet Avalanche 2500 Oxygen Sensor comes with a manufacturer's warranty, an easy return policy, and rapid delivery service. Don't miss out on this great opportunity!

Chevrolet Avalanche 2500 Oxygen Sensor Parts Questions & Experts Answers

Oxygen Sensor
12599866
Q: How to replace the Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 on Chevrolet Avalanche 2500?
A: A vehicle needs to be lifted along with proper support for the replacement process of Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1. First remove the connector position assurance (CPA) retainer before separating the electric connection to the HO2S sensor. Remove the HO2S . Use a special anti-seize compound on HO2S threads when installing according to installation instructions. This compound exists as a combination of liquid graphite and glass beads while service replacement sensors arrive with the compound already applied. Prior to reusing the existing sensor threads apply a coating of anti-seize compound equivalent to GM P/N 12377953. Fasten the HO2S sensor until torque reaches 42 N.m (31 lb ft). After connecting the HO2S electrical connector and the CPA retainer, restore the vehicle to its original height.

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