How to replace the Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 on 2005 Chevrolet Blazer?

Replacing the Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 requires that you first elevate the vehicle. Before handling disconnect the connector that controls HO2S function. The Oxygen Sensor Wrench (J 39194-B) should be utilized to remove the HO2S. Coat your new oxygen sensor's threads with anti-seize compound GM P/N 5613695 because this mixture of liquid graphite and glass beads helps you take out the sensor easily in future maintenance. Use the Oxygen Sensor Wrench (J 39194-B) to install the HO2S then tighten it to 42 N.m (31 lb ft). After the process finishes raise the vehicle and connect the HO2S harness connector.

OEM 2005 Chevrolet Blazer Oxygen Sensor

Oxygen O2 Sensor

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2005 Chevrolet Blazer Oxygen Sensor Part Number: 12567254
$55.86 MSRP: $113.46
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Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.3 x 3.3 x 3.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12567254
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2005 Chevrolet Blazer Submodels:
- Base, LS, Xtreme, ZR2 | 6 Cyl 4.3 L GAS

2005 Chevrolet Blazer Oxygen Sensor

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2005 Chevrolet Blazer Oxygen Sensor Parts and Q&A

Q: How to replace the Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 on 2005 Chevrolet Blazer?
A: Replacing the Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 requires that you first elevate the vehicle. Before handling disconnect the connector that controls HO2S function. The Oxygen Sensor Wrench (J 39194-B) should be utilized to remove the HO2S. Coat your new oxygen sensor's threads with anti-seize compound GM P/N 5613695 because this mixture of liquid graphite and glass beads helps you take out the sensor easily in future maintenance. Use the Oxygen Sensor Wrench (J 39194-B) to install the HO2S then tighten it to 42 N.m (31 lb ft). After the process finishes raise the vehicle and connect the HO2S harness connector.