How to replace the Bank 2 Sensor 2 Heated Oxygen Sensor (HO2S) on 2003 Cadillac Escalade?

To remove the Bank 2 O 2 Heated Oxygen Sensor (HO2S), raise and support the vehicle (firstly). Disconnect the connector position assurance (CPA) retainer and remove the HO2S connector clip from frame. After market 4.8L or 5.3L engine: Remove the HO2S electrical connector. For those with 6.0L, do the same. Also, remove the HO2S without the use of any extreme force. While installing, apply anti-seize compound GM P/N 12377953 on the thread of the old sensor if the old sensor is installed, as the compound, which is liquid graphite and glass beads, will make it easier to remove in the future. Replace the O2S and tighten it to 42 N.m (31 lb ft). Complete the 6.0L engine HO 2S electrical connector first and then the 4.8L or 5.3L engine. Finally, hoist an HO2S connector clip onto the frame, release the CPA retainer, and begin to lift the vehicle.

OEM 2003 Cadillac Escalade Oxygen Sensor

Oxygen O2 Sensor

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5 Oxygen Sensors found

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2003 Cadillac Escalade Oxygen Sensor
Part Number: 12572705
$88.71 MSRP: $180.18
You Save: $91.47 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Front Oxygen Sensor
- Item Weight: 0.60 Pounds
- Item Dimensions: 9.1 x 6.1 x 3.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12572705
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2003 Cadillac Escalade Submodels:
- Base | 8 Cyl 6.0 L GAS
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2003 Cadillac Escalade Oxygen Sensor, Driver Side
Part Number: 19209812
$72.70 MSRP: $147.66
You Save: $74.96 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Position: Driver Side
- Replaces: 19210423, 25333817
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.4 x 3.2 x 3.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19209812
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2003 Cadillac Escalade Submodels:
- Base | 8 Cyl 6.0 L GAS
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2003 Cadillac Escalade Oxygen Sensor
Part Number: 12587785
$52.20 MSRP: $106.02
You Save: $53.82 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.4 x 3.4 x 3.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- Require Quantity: 2
- SKU: 12587785
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Cadillac Escalade Submodels:
- Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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2003 Cadillac Escalade Oxygen Sensor
Part Number: 19209808
$72.40 MSRP: $147.04
You Save: $74.64 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor
- Replaces: 12575389, 19256731, 25333812, 12583806, 19210711, 12573168
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.4 x 3.4 x 3.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19209808
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Cadillac Escalade Submodels:
- Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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2003 Cadillac Escalade Oxygen Sensor
Part Number: 12573005
Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Item Weight: 0.50 Pounds
- Item Dimensions: 2.3 x 4.0 x 6.2 inches
- Condition: New
- SKU: 12573005
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2003 Cadillac Escalade Submodels:
- Base | 8 Cyl 5.3 L GAS

2003 Cadillac Escalade Oxygen Sensor

With a comprehensive array of OEM 2003 Cadillac Escalade Oxygen Sensor, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2003 Cadillac Escalade 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.

2003 Cadillac Escalade Parts Questions & Experts Answers

Q: How to replace the Bank 2 Sensor 2 Heated Oxygen Sensor (HO2S) on 2003 Cadillac Escalade?
A: To remove the Bank 2 O 2 Heated Oxygen Sensor (HO2S), raise and support the vehicle (firstly). Disconnect the connector position assurance (CPA) retainer and remove the HO2S connector clip from frame. After market 4.8L or 5.3L engine: Remove the HO2S electrical connector. For those with 6.0L, do the same. Also, remove the HO2S without the use of any extreme force. While installing, apply anti-seize compound GM P/N 12377953 on the thread of the old sensor if the old sensor is installed, as the compound, which is liquid graphite and glass beads, will make it easier to remove in the future. Replace the O2S and tighten it to 42 N.m (31 lb ft). Complete the 6.0L engine HO 2S electrical connector first and then the 4.8L or 5.3L engine. Finally, hoist an HO2S connector clip onto the frame, release the CPA retainer, and begin to lift the vehicle.