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

To replace the Heated Oxygen Sensor (HO2S), Bank 1 Sensor 1, first, lift the vehicle and ensure that it is securely positioned on jack stands at the opposite side from where parts are being removed, and apply straps to the machine to prevent any accident or harm. Unplug the connector for the HO2S then unbolt HO2S using the J 39194-B Oxygen Sensor Wrench. When installing the new sensor, use anti-seize compound GM P/N 5613695 is needed according to the threads, as the described composition consists of a liquid graphite mixture of various glass beads that makes the removal of the sensor easier in the future. Mount the HO2S with the J 39194- B,afterwards tighten the HO2S to 42 Nm (31 lb ft) and reconnect the HO2S harness connector lower the vehicle.

OEM Chevrolet Express 2500 Oxygen Sensor

Oxygen O2 Sensor

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11 Oxygen Sensors found

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Chevrolet Express 2500 Heated Oxygen Sensor
Part Number: 12657188
$34.60 MSRP: $63.28
You Save: $28.68 (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:
- 2016-2020 Chevrolet Express 2500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
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Chevrolet Express 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:
- 2003-2007 Chevrolet Express 2500 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
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Chevrolet Express 2500 Oxygen Sensor
Part Number: 19178934
$70.65 MSRP: $143.50
You Save: $72.85 (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:
- 1996-2002 Chevrolet Express 2500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
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Chevrolet Express 2500 Oxygen Sensor
Part Number: 19178918
$80.94 MSRP: $140.16
You Save: $59.22 (43%)
Ships in 1-2 Business Days
ADD TO CART
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:
- 1996-2002 Chevrolet Express 2500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
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Chevrolet Express 2500 Oxygen Sensor
Part Number: 12670253
$38.96 MSRP: $79.14
You Save: $40.18 (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:
- 2021-2024 Chevrolet Express 2500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 6.6 L GAS
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Chevrolet Express 2500 Oxygen Sensor
Part Number: 12666612
$44.84 MSRP: $91.05
You Save: $46.21 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Pre-Catalyst Bank 1 Se; Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2020 Chevrolet Express 2500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L FLEX, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Express 2500 Oxygen Sensor
Part Number: 12612571
$66.40 MSRP: $186.94
You Save: $120.54 (65%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 3); Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2015 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Express 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:
- 2008-2015 Chevrolet Express 2500 | Base, LS, LT | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L FLEX, 8 Cyl 6.0 L GAS
View related parts
Chevrolet Express 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:
- 1996-2002 Chevrolet Express 2500 | Base, LS | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L BI-FUEL, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL
View related parts
Chevrolet Express 2500 Oxygen Sensor
Part Number: 19209805
$85.68 MSRP: $174.02
You Save: $88.34 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor
- Replaces: 12581346, 12590750, 19256730, 19210712
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2007 Chevrolet Express 2500 | Base, LS, LT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS, 8 Cyl 6.6 L DIESEL
View related parts
Chevrolet Express 2500 Oxygen Sensor
Part Number: 12679885
$43.01 MSRP: $87.36
You Save: $44.35 (51%)
Ships in 1-2 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
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Express 2500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 6.6 L GAS

Chevrolet Express 2500 Oxygen Sensor

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Chevrolet Express 2500 Oxygen Sensor Parts Questions & Experts Answers

Oxygen Sensor
12612571
Q: How to replace the Heated Oxygen Sensor (HO2S) for Bank 1 Sensor 1 on Chevrolet Express 2500?
A: To replace the Heated Oxygen Sensor (HO2S), Bank 1 Sensor 1, first, lift the vehicle and ensure that it is securely positioned on jack stands at the opposite side from where parts are being removed, and apply straps to the machine to prevent any accident or harm. Unplug the connector for the HO2S then unbolt HO2S using the J 39194-B Oxygen Sensor Wrench. When installing the new sensor, use anti-seize compound GM P/N 5613695 is needed according to the threads, as the described composition consists of a liquid graphite mixture of various glass beads that makes the removal of the sensor easier in the future. Mount the HO2S with the J 39194- B,afterwards tighten the HO2S to 42 Nm (31 lb ft) and reconnect the HO2S harness connector lower the vehicle.