How to replace the Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 on Chevrolet Silverado 3500?

In order to replace the Heated Oxygen Sensor Bank 2 Sensor 1, lift and support the vehicle first. Pull out the HO2S from the clips, and disconnect the connector position assurance (CPA) retainer. For automobiles that have engine of 4.8L or 5.3L, remove the HO2S electric connector; For those of 6.0L engine, you should do the same. Remove the HO2S. During installation, if replacing the old sensor, apply anti-seize compound GM P/N 12377953 to the threads since this compound, which consist of liquid graphite and glass beads allows for easier removal. Mount the HO2S and apply a torque of 42 N.m (31 lb ft). Connect the HO2S electrical connector for the 6.0L engine thereafter the connection of the 4.8L or 5.3L engine. Reinstall the HO2S to the clips, remove CPA retainer and lower the vehicle.

OEM Chevrolet Silverado 3500 Oxygen Sensor

Oxygen O2 Sensor

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9 Oxygen Sensors found

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Chevrolet Silverado 3500 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 Chevrolet Silverado 3500 | Base, LS, LT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 3500 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 Silverado 3500 | Base, LS, LT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
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Chevrolet Silverado 3500 Oxygen Sensor Part Number: 19178942
$56.64 MSRP: $159.48
You Save: $102.84 (65%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Replaces: 25315814
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 Chevrolet Silverado 3500 | Base, LS, LT | 8 Cyl 6.0 L GAS
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Chevrolet Silverado 3500 Oxygen Sensor, Driver Side Part Number: 12572707
$70.50 MSRP: $143.19
You Save: $72.69 (51%)
Ships in 1-2 Business Days
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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 Silverado 3500 | Base, LS, LT, WT | 8 Cyl 8.1 L GAS
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Chevrolet Silverado 3500 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 Chevrolet Silverado 3500 | Base, LS, LT, WT | 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
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Chevrolet Silverado 3500 Oxygen Sensor Part Number: 12565397
$67.75 MSRP: $137.61
You Save: $69.86 (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:
- 2001-2002 Chevrolet Silverado 3500 | Base, LS, LT | 8 Cyl 6.0 L GAS, 8 Cyl 8.1 L GAS
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Chevrolet Silverado 3500 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:
- 2001-2002 Chevrolet Silverado 3500 | Base, LS, LT | 8 Cyl 6.0 L GAS
View related parts
Chevrolet Silverado 3500 Heated Oxygen Sensor Assembly Part Number: 19355306
$62.07 MSRP: $126.08
You Save: $64.01 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Oxygen Sensor; Sensor, Computer Control Sensors
- Replaces: 19178116, 25163080, 25312201
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 Chevrolet Silverado 3500 | Base, LS, LT | 8 Cyl 6.0 L GAS
View related parts
Chevrolet Silverado 3500 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:
- 2001-2002 Chevrolet Silverado 3500 | Base, LS, LT | 8 Cyl 8.1 L GAS

Chevrolet Silverado 3500 Oxygen Sensor

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Chevrolet Silverado 3500 Oxygen Sensor Parts and Q&A

Oxygen Sensor, Driver Side
19209812
Q: How to replace the Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 on Chevrolet Silverado 3500?
A:
In order to replace the Heated Oxygen Sensor Bank 2 Sensor 1, lift and support the vehicle first. Pull out the HO2S from the clips, and disconnect the connector position assurance (CPA) retainer. For automobiles that have engine of 4.8L or 5.3L, remove the HO2S electric connector; For those of 6.0L engine, you should do the same. Remove the HO2S. During installation, if replacing the old sensor, apply anti-seize compound GM P/N 12377953 to the threads since this compound, which consist of liquid graphite and glass beads allows for easier removal. Mount the HO2S and apply a torque of 42 N.m (31 lb ft). Connect the HO2S electrical connector for the 6.0L engine thereafter the connection of the 4.8L or 5.3L engine. Reinstall the HO2S to the clips, remove CPA retainer and lower the vehicle.