How to Replace a Heated Oxygen Sensor on GMC Envoy?

To replace Heated Oxygen Sensor 1, one first removes connector position assurance (CPA) retainer from the heated oxygen sensor (HO2S) connection then disconnect the engine wiring harness electrical connector from the HO2S electrical connector. Next, pull off the HO2S electrical connector clip from the transmission fluid fill tube bracket. If necessary, remove the HO2S using the J 39194-B Heated Oxygen Sensor Wrench (J 39194-B). During the installation, clean the threads of the old sensor in case it is going to be reused and apply anti-seize compound (P/N 12377953), which is actually composed of liquid graphite and glass beads that make removal easier. Mount the HO2S according to the J 39194-B (J 39194-B) and tighten it to 42 N.m (31 lb ft). Reconnect the engine wiring harness electrical connector to the HO2S electrical connector, connect the HO2S electrical connector clip to the transmission fluid fill tube bracket, and lastly, the CPA retainer is fitted to the HO2S connection.

OEM GMC Envoy Oxygen Sensor

Oxygen O2 Sensor

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15 Oxygen Sensors found

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GMC Envoy Oxygen Sensor
Part Number: 12573721
$62.49 MSRP: $126.94
You Save: $64.45 (51%)
Ships in 1-2 Business Days
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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:
- 2004 GMC Envoy | SLE, SLT | 6 Cyl 4.2 L GAS
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GMC Envoy Oxygen Sensor
Part Number: 12590749
$47.03 MSRP: $95.51
You Save: $48.48 (51%)
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Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 2); Front Oxygen Sensor; Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2009 GMC Envoy | Denali | 8 Cyl 5.3 L GAS
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GMC Envoy Oxygen Sensor
Part Number: 12592591
$39.35 MSRP: $79.91
You Save: $40.56 (51%)
Ships in 1-2 Business Days
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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:
- 2006-2009 GMC Envoy | SLE, SLT | 6 Cyl 4.2 L GAS
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GMC Envoy Oxygen Sensor
Part Number: 19209808
$72.40 MSRP: $147.04
You Save: $74.64 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor
- Replaces: 12575389, 19256731, 25333812, 12583806, 19210711, 12573168
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2006 GMC Envoy | Denali | 8 Cyl 5.3 L GAS
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GMC Envoy Oxygen Sensor
Part Number: 12604575
$92.04 MSRP: $186.94
You Save: $94.90 (51%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 GMC Envoy | SLE, SLT | 6 Cyl 4.2 L GAS
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GMC Envoy Rear Oxygen Sensor
Part Number: 12604538
$99.55 MSRP: $186.94
You Save: $87.39 (47%)
Ships in 1-2 Business Days
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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:
- 2007 GMC Envoy | SLE, SLT | 6 Cyl 4.2 L GAS
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GMC Envoy Oxygen Sensor
Part Number: 12586996
$92.04 MSRP: $186.94
You Save: $94.90 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor; Front Oxygen Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005 GMC Envoy | SLE, SLT | 6 Cyl 4.2 L GAS
View related parts
GMC Envoy Oxygen Sensor
Part Number: 12585999
$92.04 MSRP: $186.94
You Save: $94.90 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 GMC Envoy | SLE, SLT | 6 Cyl 4.2 L GAS
View related parts
GMC Envoy Oxygen Sensor
Part Number: 12578624
$92.04 MSRP: $186.94
You Save: $94.90 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor; Front Oxygen Sensor
- Replaces: 24577303
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2005 GMC Envoy | SLE, SLT | 6 Cyl 4.2 L GAS
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GMC Envoy Oxygen Sensor
Part Number: 12577588
$66.10 MSRP: $124.16
You Save: $58.06 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Front Oxygen Sensor
- Replaces: 24577273
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2003 GMC Envoy | SLE, SLT | 6 Cyl 4.2 L GAS
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GMC Envoy Oxygen Sensor
Part Number: 19209805
$85.68 MSRP: $174.02
You Save: $88.34 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor
- Replaces: 12581346, 12590750, 19256730, 19210712
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 GMC Envoy | Denali | 8 Cyl 5.3 L GAS
View related parts
GMC Envoy Oxygen Sensor
Part Number: 12573167
$50.70 MSRP: $102.98
You Save: $52.28 (51%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 2); Front Oxygen Sensor; Sensor, Computer Control Sensors
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005 GMC Envoy | Denali | 8 Cyl 5.3 L GAS
View related parts
GMC Envoy Oxygen Sensor
Part Number: 19209816
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor
- Replaces: 12611870, 12600893
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2007 GMC Envoy | Denali | 8 Cyl 5.3 L GAS
View related parts
GMC Envoy Oxygen Sensor, Driver Side
Part Number: 12612506
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 3); Rear Oxygen Sensor; Sensor, Computer Control Sensors
- Position: Driver Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 GMC Envoy | Denali | 8 Cyl 5.3 L GAS
View related parts
GMC Envoy Oxygen Sensor, Passenger Side
Part Number: 12609477
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 3); Rear Oxygen Sensor; Sensor, Computer Control Sensors
- Position: Passenger Side
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 GMC Envoy | Denali | 8 Cyl 5.3 L GAS

GMC Envoy Oxygen Sensor

Our website offers an extensive catalog of genuine GMC Envoy Oxygen Sensor at unbeatable prices. Every OEM GMC Envoy Oxygen Sensor comes with a manufacturer's warranty, an easy return policy, and rapid delivery service. Don't miss out on this great opportunity!

GMC Envoy Oxygen Sensor Parts Questions & Experts Answers

Oxygen Sensor
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Q: How to Replace a Heated Oxygen Sensor on GMC Envoy?
A: To replace Heated Oxygen Sensor 1, one first removes connector position assurance (CPA) retainer from the heated oxygen sensor (HO2S) connection then disconnect the engine wiring harness electrical connector from the HO2S electrical connector. Next, pull off the HO2S electrical connector clip from the transmission fluid fill tube bracket. If necessary, remove the HO2S using the J 39194-B Heated Oxygen Sensor Wrench (J 39194-B). During the installation, clean the threads of the old sensor in case it is going to be reused and apply anti-seize compound (P/N 12377953), which is actually composed of liquid graphite and glass beads that make removal easier. Mount the HO2S according to the J 39194-B (J 39194-B) and tighten it to 42 N.m (31 lb ft). Reconnect the engine wiring harness electrical connector to the HO2S electrical connector, connect the HO2S electrical connector clip to the transmission fluid fill tube bracket, and lastly, the CPA retainer is fitted to the HO2S connection.

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