How to replace the Heated Oxygen Sensor (HO2S) for Bank 2 Sensor 1 on 2008 GMC Sierra 1500?

Begin the heated Oxygen Sensor (HO2S) for bank 2 sensor 1 replacement process by properly supporting the vehicle. Take off the connector position assurance (CPA) retainer then detach the ho2s pigtail electrical connector from the engine wiring harness electrical connector . Next, remove the ho2s . Users should apply anti-seize compound gm p/n 12377953 or equivalent products to the ho2s threads when reusing the old sensor because manufacturers use specialized anti-seize composed of liquid graphite and glass beads to aid removal. Secure the ho2s using 42 n.m torque until it reaches 31 lb ft. Reinstall the cpa retainer while reconnecting the engine wiring harness electrical connector to the ho2s pigtail electrical connector and then lower the vehicle back to the ground.

OEM 2008 GMC Sierra 1500 Oxygen Sensor

Oxygen O2 Sensor

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5 Oxygen Sensors found

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2008 GMC Sierra 1500 Oxygen Sensor
Part Number: 12589321
$71.00 MSRP: $144.20
You Save: $73.20 (51%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Front Oxygen Sensor
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.5 x 3.3 x 3.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 2
- SKU: 12589321
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 GMC Sierra 1500 Submodels:
- Denali, Hybrid, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
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2008 GMC Sierra 1500 Oxygen Sensor
Part Number: 12583804
$56.19 MSRP: $114.12
You Save: $57.93 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 2); Front Oxygen Sensor; Sensor, Computer Control Sensors
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.5 x 3.3 x 3.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12583804
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 GMC Sierra 1500 Submodels:
- Denali, Hybrid, SL, SLE, SLT, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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2008 GMC Sierra 1500 Oxygen Sensor
Part Number: 12609457
$54.85 MSRP: $111.40
You Save: $56.55 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 3); Rear Oxygen Sensor; Sensor, Computer Control Sensors
- Item Weight: 1.10 Pounds
- Item Dimensions: 8.4 x 3.2 x 3.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12609457
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 GMC Sierra 1500 Submodels:
- Denali, Hybrid, SL, SLE, SLT, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
View related parts
2008 GMC Sierra 1500 Oxygen Sensor
Part Number: 12609456
$49.77 MSRP: $101.10
You Save: $51.33 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 3); Rear Oxygen Sensor; Sensor, Computer Control Sensors
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.4 x 3.3 x 3.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12609456
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 GMC Sierra 1500 Submodels:
- WT | 6 Cyl 4.3 L GAS
View related parts
2008 GMC Sierra 1500 Oxygen Sensor
Part Number: 19209815
$102.18 MSRP: $182.46
You Save: $80.28 (44%)
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor
- Replaces: 12590847
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.3 x 3.2 x 3.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 2
- SKU: 19209815
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2008 GMC Sierra 1500 Submodels:
- SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 6.0 L GAS

2008 GMC Sierra 1500 Oxygen Sensor

With a comprehensive array of OEM 2008 GMC Sierra 1500 Oxygen Sensor, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2008 GMC Sierra 1500 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.

2008 GMC Sierra 1500 Oxygen Sensor Parts Questions & Experts Answers

Q: How to replace the Heated Oxygen Sensor (HO2S) for Bank 2 Sensor 1 on 2008 GMC Sierra 1500?
A: Begin the heated Oxygen Sensor (HO2S) for bank 2 sensor 1 replacement process by properly supporting the vehicle. Take off the connector position assurance (CPA) retainer then detach the ho2s pigtail electrical connector from the engine wiring harness electrical connector . Next, remove the ho2s . Users should apply anti-seize compound gm p/n 12377953 or equivalent products to the ho2s threads when reusing the old sensor because manufacturers use specialized anti-seize composed of liquid graphite and glass beads to aid removal. Secure the ho2s using 42 n.m torque until it reaches 31 lb ft. Reinstall the cpa retainer while reconnecting the engine wiring harness electrical connector to the ho2s pigtail electrical connector and then lower the vehicle back to the ground.