How to replace the Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 on Cadillac Seville?

When replacing the heated Oxygen Sensor (HO2S) bank 1 sensor 1 you need to ensure the engine reaches at least 48°c (120°F) before trying to take it out due to higher temperatures making the removal process easier. A new service sensor comes with pre-applied anti-seize coating on its threads so technicians should apply p/n 5613695 or an equivalent compound to reused sensors. Support the vehicle in raised position before you start supporting the powertrain frame from behind. Lower the frame up to 73.2 mm (3 inches) after removing its four rear bolts. Proceed by disconnecting the rear Oxygen Sensor electrical connector and then remove the sensor from the rear Exhaust Manifold. To install the rear Oxygen Sensor mount it into the rear Exhaust Manifold before securing it with 41 n.m (30 lb ft) torque. You should reconnect the rear Oxygen Sensor connector while raising the frame then reinstall four rear frame bolts which need to be tightened to 100 n.m (74 lb ft) before lowering the vehicle.

OEM Cadillac Seville Oxygen Sensor

Oxygen O2 Sensor

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9 Oxygen Sensors found

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Cadillac Seville Oxygen Sensor Part Number: 19211435
$52.82 MSRP: $164.76
You Save: $111.94 (68%)
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Product Specifications
- Other Name: Sensor Assembly, Oxygen; Sensor, Computer Control Sensors
- Replaces: 05613719, 25165116, 19178940, 19178746, 25106169, 5613719, 25165119
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1993 Cadillac Seville | Base, STS | 8 Cyl 4.5 L GAS, 8 Cyl 4.9 L GAS
- 1984 Cadillac Seville | Base, Elegante | 8 Cyl 4.1 L GAS, 8 Cyl 5.7 L DIESEL
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Cadillac Seville Oxygen Sensor Part Number: 19178958
$65.65 MSRP: $133.34
You Save: $67.69 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Front Oxygen Sensor; Manifold
- Replaces: 25178022, 25312203, 25312211, 25164488
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1998 Cadillac Seville | SLS, STS | 8 Cyl 4.6 L GAS
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Cadillac Seville Oxygen Sensor Part Number: 12559850
$59.96 MSRP: $121.78
You Save: $61.82 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Front Oxygen Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2004 Cadillac Seville | SLS, STS | 8 Cyl 4.6 L GAS
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Cadillac Seville Oxygen Sensor Part Number: 5613719
$52.82 MSRP: $164.76
You Save: $111.94 (68%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly, Oxygen; Sensor
- Replaced by: 19211435
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984 Cadillac Seville | Base, Elegante | 8 Cyl 4.1 L GAS, 8 Cyl 5.7 L DIESEL
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Cadillac Seville Oxygen Sensor, Driver Side Part Number: 19355308
$71.31 MSRP: $144.84
You Save: $73.53 (51%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Position: Driver Side
- Replaces: 19178928, 25161131, 25312197
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1999 Cadillac Seville | SLS, STS | 8 Cyl 4.6 L GAS
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Cadillac Seville Oxygen Sensor Part Number: 19178939
$50.91 MSRP: $143.32
You Save: $92.41 (65%)
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Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Replaces: 25132086, 25165311, 25312178
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993-1995 Cadillac Seville | SLS, STS | 8 Cyl 4.6 L GAS
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Cadillac Seville Oxygen Sensor Part Number: 12567497
$68.94 MSRP: $123.09
You Save: $54.15 (44%)
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 2); Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004 Cadillac Seville | SLS | 8 Cyl 4.6 L GAS
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Cadillac Seville Oxygen Sensor Part Number: 19178945
Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Replaces: 25315373
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1999 Cadillac Seville | SLS, STS | 8 Cyl 4.6 L GAS
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Cadillac Seville Oxygen Sensor Part Number: 12559849
$58.70 MSRP: $104.83
You Save: $46.13 (44%)
Product Specifications
- Other Name: Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000-2004 Cadillac Seville | SLS, STS | 8 Cyl 4.6 L GAS

Cadillac Seville Oxygen Sensor

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The Oxygen Sensor is one of the critical car parts, which illuminates the brands dedication towards quality and efficiency of the cars. The Oxygen Sensor as the name suggests is an important component of the car designed to measure unburned oxygen levels in the engine exhaust to improve the air-fuel mixture and reduce emissions to assist in the optimization of fuel efficiency. This feedback mechanism enables the Cadillac Seville's engine control computer to adjust the fuel injector timing, so that the engine can run in a closed loop as required and is compatible with Cadillac Seville from 1975 to 2004, using the Oxygen Sensor that normally applied the advanced zirconium dioxide technology, which perhaps comprised of the narrow band or wide band kinds. These sensors are designed to give accurate details and this is in a view of meeting the required emission levels as well as enhancing the safety of vehicles in circulation. The Cadillac Seville is also known for luxury and performance which is complimented by Oxygen Sensor and thus leads to a smooth drive. Other options include dual-zone automatic climate control, traction control and in addition to the Oxygen Sensor it sets the Cadillac Seville as a market leader in automotive design. Monitor and maintenance of the said Oxygen Sensor should be done always to allow a Cadillac vehicle to exhibit its performance prime, which exhibits Cadillac's commitment in quality and advancement. In conclusion, the Oxygen Sensor also adds up the productivity and security of the Cadillac Seville and also seals the superior recognition of Cadillac Seville in modern luxury automobile technology market.

Cadillac Seville Oxygen Sensor Parts Questions & Experts Answers

Oxygen Sensor
12559850
Q: How to replace the Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 on Cadillac Seville?
A:
When replacing the heated Oxygen Sensor (HO2S) bank 1 sensor 1 you need to ensure the engine reaches at least 48°c (120°F) before trying to take it out due to higher temperatures making the removal process easier. A new service sensor comes with pre-applied anti-seize coating on its threads so technicians should apply p/n 5613695 or an equivalent compound to reused sensors. Support the vehicle in raised position before you start supporting the powertrain frame from behind. Lower the frame up to 73.2 mm (3 inches) after removing its four rear bolts. Proceed by disconnecting the rear Oxygen Sensor electrical connector and then remove the sensor from the rear Exhaust Manifold. To install the rear Oxygen Sensor mount it into the rear Exhaust Manifold before securing it with 41 n.m (30 lb ft) torque. You should reconnect the rear Oxygen Sensor connector while raising the frame then reinstall four rear frame bolts which need to be tightened to 100 n.m (74 lb ft) before lowering the vehicle.