How to replace the Heated Oxygen Sensor (HO2S) 2 on 2004 Buick Rainier?

First raise the vehicle before replacing Heated Oxygen Sensor (HO2S) 2. Disconnected the electrical connector which powers the heated oxygen sensor. Use the Heated Oxygen Sensor Wrench (J 39194-B) to extract the HO2S component. Use anti-seize compound (P/N 5613695) to coat heated oxygen sensor threads before installation but substitute with equivalent products when anti-seize compound is not available. Tighten the heated oxygen sensor to 41 N.m (30 lb ft) using the Heated Oxygen Sensor Wrench (J 39194-B). Afterward connect the HO2S electrical connector and place the vehicle back in its normal position.

OEM 2004 Buick Rainier Oxygen Sensor

Oxygen O2 Sensor

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4 Oxygen Sensors found

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2004 Buick Rainier Oxygen Sensor
Part Number: 12573721
$62.49 MSRP: $126.94
You Save: $64.45 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Front Oxygen Sensor
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.2 x 3.1 x 3.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12573721
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2004 Buick Rainier Submodels:
- CXL, CXL Plus | 6 Cyl 4.2 L GAS
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2004 Buick Rainier Oxygen Sensor
Part Number: 12578624
$92.04 MSRP: $186.94
You Save: $94.90 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor; Front Oxygen Sensor
- Replaces: 24577303
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.5 x 3.4 x 3.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12578624
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2004 Buick Rainier Submodels:
- CXL, CXL Plus | 6 Cyl 4.2 L GAS
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2004 Buick Rainier Oxygen Sensor
Part Number: 12567127
$36.64 MSRP: $114.28
You Save: $77.64 (68%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Front Oxygen Sensor
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.4 x 3.3 x 3.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 2
- SKU: 12567127
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2004 Buick Rainier Submodels:
- CXL, CXL Plus | 8 Cyl 5.3 L GAS
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2004 Buick Rainier Oxygen Sensor
Part Number: 12567163
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor
- Item Weight: 0.50 Pounds
- Item Dimensions: 7.4 x 2.1 x 2.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 2
- SKU: 12567163
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Buick Rainier Submodels:
- CXL, CXL Plus | 8 Cyl 5.3 L GAS

2004 Buick Rainier Oxygen Sensor

With a comprehensive array of OEM 2004 Buick Rainier Oxygen Sensor, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2004 Buick Rainier Oxygen Sensor are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2004 Buick Rainier Parts Questions & Experts Answers

Q: How to replace the Heated Oxygen Sensor (HO2S) 2 on 2004 Buick Rainier?
A: First raise the vehicle before replacing Heated Oxygen Sensor (HO2S) 2. Disconnected the electrical connector which powers the heated oxygen sensor. Use the Heated Oxygen Sensor Wrench (J 39194-B) to extract the HO2S component. Use anti-seize compound (P/N 5613695) to coat heated oxygen sensor threads before installation but substitute with equivalent products when anti-seize compound is not available. Tighten the heated oxygen sensor to 41 N.m (30 lb ft) using the Heated Oxygen Sensor Wrench (J 39194-B). Afterward connect the HO2S electrical connector and place the vehicle back in its normal position.

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2005 Buick Rainier Oxygen Sensor