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2009 GMC Envoy Oxygen Sensor
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Denso® Oxygen Sensor for 2009 GMC Envoy
PartNumber: 234-4246$48.60Product Specifications- Notes: OE Quality Replacement Sensor
- Connector Gender: Female
- Installation Type: Screw
- O2 Sensor Configuration: Direct Fit
- Position: Downstream Driver Side
- Sensor Type: Heated
- Thread Diameter: 0.71" (18 mm)
- UPC: 042511117006
- Wire Harness Length: 14.84" (376.9 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2009 GMC Envoy Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 8 Cyl 5.3L
Delphi® Oxygen Sensor for 2009 GMC Envoy
PartNumber: ES20008$76.25Product Specifications- Notes: 41in Length
- Connector Shape: Triangular
- Position: Upstream
- Terminal Quantity: 4
- Terminal Type: Blade
- UPC: 689604145531
- Wire Harness Length: 15.2" (380 mm)
- Wrench Size: 0.88" (22 mm)
- Part Description: 2009 GMC Envoy Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | Denali | 8 Cyl 5.3L
$52.93Product Specifications- Notes: B2S2; OE MFR: NTK
- Mounting Type: Threaded
- Sensor Type: Heated
- Thread Diameter: 18.000
- Universal Or Specific Fit: Specific
- UPC: 087295210598
- Wire Quantity: 4
- Wiring Harness Length: 15.0000
- Part Description: 2009 GMC Envoy OE Type Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 8 Cyl 5.3L
Denso® Oxygen Sensor for 2009 GMC Envoy
PartNumber: 234-4243$44.24Product Specifications- Notes: OE Quality Replacement Sensor
- Connector Gender: Female
- Installation Type: Screw
- O2 Sensor Configuration: Direct Fit
- Position: Downstream
- Sensor Type: Heated
- Thread Diameter: 0.71" (18 mm)
- UPC: 042511116979
- Wire Harness Length: 14.84" (376.9 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2009 GMC Envoy Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 8 Cyl 5.3L
$45.18Product Specifications- Connector Gender: Male
- Location: B2S1 Sensor
- Overall Length: 16.06"(407.924 mm)
- Position: Upstream Passenger Side
- Sensor Type: Heated
- Thread Diameter: 0.71"(18.0 mm)
- UPC: 724620043734
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 12.52"(318.008 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2009 GMC Envoy Premium Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 8 Cyl 5.3L
$99.07 MSRP:$186.94You Save: $87.87 (48%)Product Specifications- Notes: 4.2 Liter; All Models; 4.2l; Rear
- Other Names: Oxygen Sensor, Rear Oxygen Sensor
- Item Dimensions: 8.2 x 3.2 x 3.0 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2009 GMC Envoy Rear Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | SLE, SLT | 6 Cyl 4.2 L GAS
Delphi® Oxygen Sensor for 2009 GMC Envoy
PartNumber: ES20088$71.56Product Specifications- Connector Shape: Triangular
- Position: Front
- Terminal Quantity: 4
- Terminal Type: Blade
- UPC: 689604145135
- Wire Harness Length: 16" (400 mm)
- Wrench Size: 0.88" (22 mm)
- Part Description: 2009 GMC Envoy Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | SLE | 6 Cyl 4.2L
- 2009 GMC Envoy | SLT | 6 Cyl 4.2L
$21.65Product Specifications- Notes: Bank 1 Sensor 1;Bank 2 Sensor 1
- Connector Gender: Male
- Connector Shape: Square
- Installation Type: Screw
- Overall Length: 18 7/8"
- Position: Upstream
- Sensor Type: Heated - Zirconia
- Terminal Quantity: 4
- Thread: M18 X 1.5 mm
- UPC: 671607539011
- Wrench Size: 0.88" (22 mm)
- Part Description: 2009 GMC Envoy Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 8 Cyl 5.3L
Denso® Oxygen Sensor for 2009 GMC Envoy
PartNumber: 234-4331$41.66Product Specifications- Notes: DENSO is the OE Manufacturer / Oxygen Sensor
- Connector Gender: Male
- Installation Type: Screw
- O2 Sensor Configuration: Direct Fit
- Position: Upstream
- Sensor Type: Heated
- Thread Diameter: 0.71" (18 mm)
- UPC: 042511113114
- Wire Harness Length: 18.9" (480.1 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2009 GMC Envoy Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 6 Cyl 4.2L
- $44.97Product Specifications
- Connector Gender: Female
- Location: B1S2 Sensor
- Overall Length: 20.79"(528.066 mm)
- Position: Downstream
- Sensor Type: Heated
- Thread Diameter: 0.71"(18.0 mm)
- UPC: 724620014215
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 17.24"(437.896 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2009 GMC Envoy Premium Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 6 Cyl 4.2L
Delphi® Oxygen Sensor for 2009 GMC Envoy
PartNumber: ES20352$72.39Product Specifications- Connector Shape: Square
- Position: Front
- Terminal Quantity: 4
- Terminal Type: Blade
- UPC: 689604201510
- Wire Harness Length: 17.2" (430 mm)
- Wrench Size: 0.88" (22 mm)
- Part Description: 2009 GMC Envoy Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | Denali | 8 Cyl 5.3L
$42.35 MSRP:$79.91You Save: $37.56 (48%)Product Specifications- Notes: 4.2 Liter; All Models; 4.2l; Front
- Other Names: Front Oxygen Sensor, Oxygen Sensor
- Item Dimensions: 8.4 x 3.3 x 3.4 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2009 GMC Envoy Front Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | SLE, SLT | 6 Cyl 4.2 L GAS
Denso® Oxygen Sensor for 2009 GMC Envoy
PartNumber: 234-4294$36.19Product Specifications- Notes: OE Quality Replacement Sensor
- Connector Gender: Female
- Installation Type: Screw
- O2 Sensor Configuration: Direct Fit
- Position: Downstream
- Sensor Type: Heated
- Thread Diameter: 0.71" (18 mm)
- UPC: 042511113107
- Wire Harness Length: 14.76" (374.9 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2009 GMC Envoy Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 6 Cyl 4.2L
- $38.61Product Specifications
- Connector Gender: Male
- Overall Length: 16.85"(427.99 mm)
- Position: Downstream
- Sensor Type: Heated
- Thread Diameter: 0.71"(18.0 mm)
- UPC: 724620014260
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 13.31"(338.074 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2009 GMC Envoy Premium Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 6 Cyl 4.2L
Delphi® Oxygen Sensor for 2009 GMC Envoy
PartNumber: ES20355$59.10Product Specifications- Connector Shape: Triangular
- Position: Front
- Terminal Quantity: 4
- Terminal Type: Blade
- UPC: 689604201534
- Wire Harness Length: 20" (500 mm)
- Wrench Size: 0.88" (22 mm)
- Part Description: 2009 GMC Envoy Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | SLE | 6 Cyl 4.2L
- 2009 GMC Envoy | SLT | 6 Cyl 4.2L
Denso® Oxygen Sensor for 2009 GMC Envoy
PartNumber: 234-4339$35.84Product Specifications- Notes: DENSO is the OE Manufacturer / Oxygen Sensor
- Connector Gender: Female
- Installation Type: Screw
- O2 Sensor Configuration: Direct Fit
- Position: Upstream Driver Side
- Sensor Type: Heated
- Thread Diameter: 0.71" (18 mm)
- UPC: 042511113183
- Wire Harness Length: 15.75" (400.1 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2009 GMC Envoy Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 8 Cyl 5.3L
$39.14Product Specifications- Notes: Downstream; Right
- Connector Gender: Male
- Connector Shape: Radiused Polygon
- Installation Type: Threaded
- Overall Length: 16.06"
- Position: Downstream Driver Side
- Sensor Type: Heated
- Thread Diameter: 18.0 mm
- UPC: 724620093630
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 12.52"
- Wires Quantity: 4 Wire Leads
- Part Description: 2009 GMC Envoy Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 8 Cyl 5.3L
$45.99 MSRP:$95.51You Save: $49.52 (52%)Product Specifications- Notes: 5.3 Liter; All Models; 5.3l; Front
- Location: Driver Side; Passenger Side
- Other Names: Front Oxygen Sensor, Oxygen Sensor
- Item Dimensions: 8.4 x 3.1 x 3.1 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2009 GMC Envoy Sensor Asm-Heated Oxygen (Position 2)
Vehicle Fitment- 2009 GMC Envoy | Denali | 8 Cyl 5.3 L GAS
- $37.43Product Specifications
- Connector Gender: Female
- Overall Length: 17.64"(448.056 mm)
- Position: Downstream Passenger Side
- Sensor Type: Heated
- Thread Diameter: 0.71"(18.0 mm)
- UPC: 724620014246
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 14.09"(357.886 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2009 GMC Envoy Premium Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 8 Cyl 5.3L
- $42.87Product Specifications
- Connector Gender: Male
- Overall Length: 18.03"(457.962 mm)
- Position: Upstream Passenger Side
- Sensor Type: Heated
- Thread Diameter: 0.71"(18.0 mm)
- UPC: 724620014239
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 14.49"(368.046 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2009 GMC Envoy Premium Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 8 Cyl 5.3L
$36.34Product Specifications- Notes: Downstream
- Connector Gender: Male
- Connector Shape: Radiused Polygon
- Installation Type: Threaded
- Overall Length: 16.85"
- Position: Downstream
- Sensor Type: Heated
- Thread Diameter: 18.0 mm
- UPC: 724620094309
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 13.31"
- Wires Quantity: 4 Wire Leads
- Part Description: 2009 GMC Envoy Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 6 Cyl 4.2L
$36.52Product Specifications- Notes: Upstream
- Connector Gender: Female
- Connector Shape: Radiused Polygon
- Installation Type: Threaded
- Location: B1S2
- Overall Length: 20.79"
- Position: Upstream
- Sensor Type: Heated
- Thread Diameter: 18.0 mm
- UPC: 724620093036
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 17.24"
- Wires Quantity: 4 Wire Leads
- Part Description: 2009 GMC Envoy Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 6 Cyl 4.2L
$37.68Product Specifications- Notes: Downstream; Left
- Connector Gender: Male
- Connector Shape: Radiused Polygon
- Installation Type: Threaded
- Overall Length: 18.03"
- Position: Upstream Passenger Side
- Sensor Type: Heated
- Thread Diameter: 18.0 mm
- UPC: 724620092978
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 14.49"
- Wires Quantity: 4 Wire Leads
- Part Description: 2009 GMC Envoy Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 8 Cyl 5.3L
$34.22Product Specifications- Notes: Upstream; Left;Upstream; Right
- Connector Gender: Female
- Connector Shape: Radiused Polygon
- Installation Type: Threaded
- Overall Length: 17.64"
- Position: Downstream Passenger Side
- Sensor Type: Heated
- Thread Diameter: 18.0 mm
- UPC: 724620092985
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 14.09"
- Wires Quantity: 4 Wire Leads
- Part Description: 2009 GMC Envoy Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 8 Cyl 5.3L
$39.71Product Specifications- Notes: B1S2; OE MFR: NTK
- Mounting Type: Threaded
- Sensor Type: Heated
- Thread Diameter: 18.000
- Universal Or Specific Fit: Specific
- UPC: 087295210581
- Wire Quantity: 4
- Wiring Harness Length: 15.0000
- Part Description: 2009 GMC Envoy OE Type Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 6 Cyl 4.2L
$23.94Product Specifications- Notes: Bank 2 Sensor 2
- Connector Gender: Female
- Connector Shape: Trapeze
- Installation Type: Screw
- Overall Length: 16 1/8"
- Position: Driver Side Lower
- Sensor Type: Heated - Zirconia
- Terminal Quantity: 4
- Thread: M18 X 1.5 mm
- UPC: 671607539943
- Wrench Size: 0.88" (22 mm)
- Part Description: 2009 GMC Envoy Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 8 Cyl 5.3L
$44.34Product Specifications- Notes: B1S1; OE Equivalent Design;B2S1; OE Equivalent Design
- Mounting Type: Threaded
- Sensor Type: Heated
- Thread Diameter: 18.000
- Universal Or Specific Fit: Specific
- UPC: 087295215586
- Wire Quantity: 4
- Wiring Harness Length: 16.5000
- Part Description: 2009 GMC Envoy OE Type Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 8 Cyl 5.3L
Product Specifications- Notes: Bank 1 Sensor 1
- Connector Gender: Male
- Connector Shape: Trapeze
- Installation Type: Screw
- Overall Length: 22 1/4"
- Position: Front
- Sensor Type: Heated - Zirconia
- Terminal Quantity: 4
- Thread: M18 X 1.5 mm
- UPC: 671607538878
- Wrench Size: 0.88" (22 mm)
- Part Description: 2009 GMC Envoy Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | All Trims | 6 Cyl 4.2L
Product Specifications- Notes: 5.3 Liter; All Models; 5.3l; Rear; Right
- Location: Passenger Side
- Other Names: Oxygen Sensor, Rear Oxygen Sensor
- Item Dimensions: 8.1 x 3.1 x 3.1 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2009 GMC Envoy Rear Oxygen Sensor
Vehicle Fitment- 2009 GMC Envoy | Denali | 8 Cyl 5.3 L GAS
Product Specifications- Notes: 5.3 Liter; All Models; 5.3l; Rear; Left
- Location: Driver Side
- Other Names: Oxygen Sensor, Rear Oxygen Sensor
- Item Dimensions: 7.2 x 2.1 x 2.0 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2009 GMC Envoy Sensor Asm-Heated Oxygen (Position 3)
Vehicle Fitment- 2009 GMC Envoy | Denali | 8 Cyl 5.3 L GAS
FAQ for Oxygen Sensor Repair
Q: What should be noticed when serving the Excessive Force and Oxygen Sensor?
A:
The oxygen sensor may be difficult to remove when the engine temperature is below 48°C (120°F). Excessive force may damage threads in the exhaust manifold or the exhaust pipe.
By Bob
GM Specialist
02/11/2022Q: What will occur if the Silicon Contamination of Heated Oxygen Sensors is contaminated?
A:
If contaminated, the portion of the sensor exposed to the exhaust stream will have a white powdery coating.
By Bob
GM Specialist
02/11/2022Q: What should be noted when serving the Heated Oxygen and Oxygen Sensor?
A:
Do not remove the pigtail from either the heated oxygen sensor (HO2S) or the oxygen sensor (O2S). Removing the pigtail or the connector will affect sensor operation.
By Bob
GM Specialist
02/11/2022Q: What should you perform when replacing the HO2S?
A:
Acode clear with a scan tool, regardless of whether or not a DTC is set. HO2S heater resistance learn reset with a scan tool, where available.
By Bob
GM Specialist
02/11/2022Q: What kind of special tools will be used when removing the Heated Oxygen Sensor-Sensor 1?
A:
J39194-B Heated Oxygen Sensor Wrench.
By Bob
GM Specialist
02/11/2022Q: What kind of special tools will be used when removing the Heated Oxygen Sensor-Sensor 2?
A:
J39194-B Heated Oxygen Sensor Wrench.
By Bob
GM Specialist
02/11/2022Q: What is the recommended torque for the HO2S?
A:
The recommended torque is 42 Nm (31 lb-ft).
By Bob
GM Specialist
02/11/2022See more FAQs (2)