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

To replace the Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 one needs to lift the vehicle and disengage the connector for the HO2. Users should also remove the HO2S in the presence of the Oxygen Sensor Wrench (J 39194-B). When installing the new sensor, be sure to apply the threads with anti-seize compound GM P/N 5613695 if needed as this compound with the composition of liquid graphite and glass beads, to make the removal easier in the future. Mount the HO2S with the use of Oxygen Sensor Wrench (J 39194-B) and tighten up to 42 N.m (31 lb ft). Lastly, join the HO2S harness connector and lower the vehicle.

OEM Chevrolet Express 3500 Oxygen Sensor

Oxygen O2 Sensor

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12 Oxygen Sensors found

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Chevrolet Express 3500 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 3500 | 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 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:
- 2003-2007 Chevrolet Express 3500 | Base, LS, LT | 8 Cyl 4.8 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 3500 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 3500 | Base, LS | 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, 8 Cyl 7.4 L GAS
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Chevrolet Express 3500 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 3500 | Base, LS | 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, 8 Cyl 7.4 L GAS
View related parts
Chevrolet Express 3500 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 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 6.6 L GAS
View related parts
Chevrolet Express 3500 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 3500 | 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 3500 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 3500 | 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 3500 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 3500 | 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 3500 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:
- 2001-2002 Chevrolet Express 3500 | Base, LS | 8 Cyl 8.1 L GAS
View related parts
Chevrolet Express 3500 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 3500 | Base, LS | 6 Cyl 4.3 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, 8 Cyl 8.1 L GAS
View related parts
Chevrolet Express 3500 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 3500 | Base, LS, LT | 8 Cyl 4.8 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 3500 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 3500 | Base, LS, LT | 6 Cyl 4.3 L FLEX, 6 Cyl 4.3 L GAS, 8 Cyl 6.6 L GAS

Chevrolet Express 3500 Oxygen Sensor

Our website offers an extensive catalog of genuine Chevrolet Express 3500 Oxygen Sensor at unbeatable prices. Every OEM Chevrolet Express 3500 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 Express 3500 Oxygen Sensor Parts Questions & Experts Answers

Oxygen Sensor
12565397
Q: How to replace the Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 on Chevrolet Express 3500?
A: To replace the Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 one needs to lift the vehicle and disengage the connector for the HO2. Users should also remove the HO2S in the presence of the Oxygen Sensor Wrench (J 39194-B). When installing the new sensor, be sure to apply the threads with anti-seize compound GM P/N 5613695 if needed as this compound with the composition of liquid graphite and glass beads, to make the removal easier in the future. Mount the HO2S with the use of Oxygen Sensor Wrench (J 39194-B) and tighten up to 42 N.m (31 lb ft). Lastly, join the HO2S harness connector and lower the vehicle.