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OEM (Genuine) 2008 Buick LaCrosse Front Oxygen Sensor
PartNumber: 19209814
Product Specifications- Notes: 3.8 Liter, Federal; Lacrosse; Front; 3.8L; Federal
- Other Names: Front Oxygen Sensor, Oxygen Sensor
- Item Dimensions: 8.5 x 3.2 x 3.1 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12574218
- Part Description: 2008 Buick LaCrosse Front Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | CX, CXL | 6 Cyl 3.8 L GAS
$60.43 MSRP:$114.04You Save: $53.61 (48%)
Denso® Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: 234-4236Product Specifications- Notes: DENSO is the OE Manufacturer / Oxygen Sensor
- Connector Gender: Female
- Installation Type: Screw
- O2 Sensor Configuration: Direct Fit
- Position: Upstream
- Sensor Type: Heated
- Thread Diameter: 0.71" (18 mm)
- UPC: 042511113015
- Wire Harness Length: 12.2" (309.9 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2008 Buick LaCrosse Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | All Trims | 8 Cyl 5.3L
$51.99
OEM (Genuine) 2008 Buick LaCrosse Front Oxygen Sensor
PartNumber: 12597878
Product Specifications- Notes: 3.8 Liter, California; Lacrosse; Front; 3.8L; California
- Other Names: Front Oxygen Sensor, Oxygen Sensor
- Item Dimensions: 8.2 x 3.0 x 3.1 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2008 Buick LaCrosse Front Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | CX, CXL | 6 Cyl 3.8 L GAS
$52.99 MSRP:$100.02You Save: $47.03 (48%)
Delphi® Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: ES10920Product Specifications- Connector Shape: Square
- Position: Front
- Terminal Quantity: 5
- Terminal Type: Blade
- UPC: 689604146873
- Wire Harness Length: 24" (600 mm)
- Wrench Size: 0.88" (22 mm)
- Part Description: 2008 Buick LaCrosse Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | CXS | 6 Cyl 3.6L
$121.12
Denso® Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: 234-4815Product Specifications- Notes: OE Quality Replacement Sensor
- Connector Gender: Female
- Installation Type: Screw
- O2 Sensor Configuration: Direct Fit
- Position: Upstream
- Sensor Type: Heated
- Thread Diameter: 0.71" (18 mm)
- UPC: 042511113275
- Wire Harness Length: 12.24" (310.9 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2008 Buick LaCrosse Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | All Trims | 6 Cyl 3.6L
$50.94
Spectra Premium® Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: OS5461Product Specifications- Notes: Bank 1 Sensor 2
- Connector Gender: Female
- Connector Shape: Trapeze
- Installation Type: Screw
- Overall Length: 22 5/8"
- Position: Downstream
- Sensor Type: Heated - Zirconia
- Terminal Quantity: 4
- Thread: M18 X 1.5 mm
- UPC: 671607159714
- Wrench Size: 0.88" (22 mm)
- Part Description: 2008 Buick LaCrosse Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | All Trims | 6 Cyl 3.6L
$45.52
OEM (Genuine) 2008 Buick LaCrosse Front Oxygen Sensor
PartNumber: 12584050
Product Specifications- Notes: 3.6 Liter; Lacrosse; Rear; 3.6L
- Item Dimensions: 7.1 x 2.1 x 2.1 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12603139
- Part Description: 2008 Buick LaCrosse Front Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | CXS | 6 Cyl 3.6 L GAS
$45.81 MSRP:$86.47You Save: $40.66 (48%)
Walker Products® Wideband Premium Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: 250-25002Product Specifications- Connector Gender: Male
- Overall Length: 24.72"(627.888 mm)
- Position: Upstream Passenger Side
- Sensor Type: Heated
- Thread Diameter: 0.71"(18.0 mm)
- UPC: 724620039997
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 21.18"(537.972 mm)
- Wires Quantity: 5 Wire Leads
- Part Description: 2008 Buick LaCrosse Wideband Premium Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | All Trims | 6 Cyl 3.6L
$97.47
NTK® OE Type Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: 21546Product Specifications- Notes: B1S1; Calif Emissions; OE Equivalent Design
- Mounting Type: Threaded
- Sensor Type: Heated
- Thread Diameter: 18.000
- Universal Or Specific Fit: Specific
- UPC: 087295215463
- Wire Quantity: 4
- Wiring Harness Length: 16.5000
- Part Description: 2008 Buick LaCrosse OE Type Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | All Trims | 6 Cyl 3.8L
$45.42
Delphi® Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: ES20383Product Specifications- Notes: 16in Length
- Connector Shape: Triangular
- Overall Length: 13.6" (340 mm)
- Position: Upstream
- Terminal Quantity: 4
- Terminal Type: Blade
- UPC: 689604207321
- Wire Harness Length: 12.4" (310 mm)
- Wrench Size: 0.88" (22 mm)
- Part Description: 2008 Buick LaCrosse Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | CX | 6 Cyl 3.8L
- 2008 Buick LaCrosse | CXL | 6 Cyl 3.8L
$85.20
Denso® Universal Fit Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: 234-4209Product Specifications- Notes: Exc Calif; OE Quality Universal Replacement Sensor;OE Quality Universal Replacement Sensor
- Installation Type: Threaded
- O2 Sensor Configuration: Universal
- OE Part Number: 56028232AA, 56028233AA, 56028235AA, 56041345AD, 89465-52200
- Position: Downstream
- Sensor Type: Heated
- Thread Diameter: 0.71" (18 mm)
- UPC: 042511142091
- Wire Harness Length: 11.77" (299 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2008 Buick LaCrosse Universal Fit Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | All Trims | 6 Cyl 3.8L
$40.23
Spectra Premium® Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: OS5486Product Specifications- Notes: Bank 1 Sensor 1; w/5 Wires
- OE Part Number: 12587096, 11787516149, 12574662, 11787530735, 11787512983, 03C906262B
- Position: Upstream Driver Side
- UPC: 671607538717
- Part Description: 2008 Buick LaCrosse Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | All Trims | 6 Cyl 3.6L
$22.18OEM (Genuine) 2008 Buick LaCrosse Front Oxygen Sensor
PartNumber: 12580466
Product Specifications- Notes: 5.3 Liter; Lacrosse; Front; 5.3L
- Other Names: Front Oxygen Sensor, Oxygen Sensor
- Item Dimensions: 8.2 x 3.0 x 3.2 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2008 Buick LaCrosse Front Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | Super | 8 Cyl 5.3 L GAS
$68.99 MSRP:$130.19You Save: $61.20 (48%)
Walker Products® Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: 350-35041Product Specifications- Notes: Upstream
- Connector Gender: Male
- Connector Shape: Radiused Polygon
- Installation Type: Threaded
- Overall Length: 24.72"
- Position: Upstream Passenger Side
- Sensor Type: Heated
- Thread Diameter: 18.0 mm
- UPC: 724620095078
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 21.18"
- Wires Quantity: 5 Wire Leads
- Part Description: 2008 Buick LaCrosse Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | All Trims | 6 Cyl 3.6L
$98.44
NTK® OE Type Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: 21023Product Specifications- Notes: B1S2; OE MFR: NTK
- Installation Type: Screw
- Location: B1S2
- O2 Sensor Configuration: Direct Fit
- Position: Downstream
- Thread Diameter: 0.71" (18 mm)
- Wire Harness Length: 12.25" (311.2 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2008 Buick LaCrosse OE Type Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | All Trims | 8 Cyl 5.3L
$43.74
Delphi® Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: ES20352Product 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: 2008 Buick LaCrosse Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | Super | 8 Cyl 5.3L
$66.77
Denso® Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: 234-4249Product 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: 042511117037
- Wire Harness Length: 11.02" (279.9 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2008 Buick LaCrosse Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | All Trims | 8 Cyl 5.3L
$40.85OEM (Genuine) 2008 Buick LaCrosse Front Oxygen Sensor
PartNumber: 12587096Product Specifications- Notes: 3.6 Liter; Lacrosse; Front; 3.6L
- Other Names: Front Oxygen Sensor, Oxygen Sensor
- Item Dimensions: 8.2 x 3.2 x 3.2 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2008 Buick LaCrosse Front Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | CXS | 6 Cyl 3.6 L GAS
$97.97 MSRP:$184.85You Save: $86.88 (48%)Walker Products® Premium Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: 250-24248Product Specifications- Notes: Calif-ESV; B1S2;Non Calif-ESV; B1S2
- Connector Gender: Male
- Overall Length: 16.85"(427.99 mm)
- Position: Upstream Passenger Side
- Sensor Type: Heated
- Thread Diameter: 0.71"(18.0 mm)
- UPC: 724620040900
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 13.31"(338.074 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2008 Buick LaCrosse Premium Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | All Trims | 6 Cyl 3.8L
$45.53
Delphi® Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: ES20007Product Specifications- Notes: with California Emission System;12in Length
- Connector Shape: Square
- Position: Rear
- Terminal Quantity: 4
- Terminal Type: Blade
- UPC: 689604145524
- Wire Harness Length: 12.4" (310 mm)
- Wrench Size: 0.88" (22 mm)
- Part Description: 2008 Buick LaCrosse Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | CX | 6 Cyl 3.8L
- 2008 Buick LaCrosse | CXL | 6 Cyl 3.8L
$59.30
Denso® Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: 234-4103Product Specifications- Notes: DENSO is the OE Manufacturer / Oxygen Sensor
- Connector Gender: Female
- Installation Type: Screw
- O2 Sensor Configuration: Direct Fit
- Position: Downstream Passenger Side
- Sensor Type: Heated
- Thread Diameter: 0.71" (18 mm)
- UPC: 042511141032
- Wire Harness Length: 14.76" (374.9 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2008 Buick LaCrosse Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | All Trims | 6 Cyl 3.8L
$39.64OEM (Genuine) 2008 Buick LaCrosse Rear Oxygen Sensor
PartNumber: 19209817
Product Specifications- Notes: 3.8 Liter; Lacrosse; Rear; 3.8L
- 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
- Replaces: 12616672
- Part Description: 2008 Buick LaCrosse Rear Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | CX, CXL | 6 Cyl 3.8 L GAS
$83.06 MSRP:$156.74You Save: $73.68 (48%)Walker Products® Premium Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: 250-24273Product Specifications- Notes: Non Calif-ESV; B1S1
- Connector Gender: Female
- Location: B1S1 Sensor
- Overall Length: 13.31"(338.074 mm)
- Position: Upstream
- Sensor Type: Heated
- Thread Diameter: 0.71"(18.0 mm)
- UPC: 724620041082
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 9.76"(247.904 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2008 Buick LaCrosse Premium Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | All Trims | 6 Cyl 3.8L
$39.41
Delphi® Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: ES20012Product Specifications- Connector Shape: Triangular
- Position: Rear
- Terminal Quantity: 4
- Terminal Type: Blade
- UPC: 689604147337
- Wire Harness Length: 20.8" (520 mm)
- Wrench Size: 0.88" (22 mm)
- Part Description: 2008 Buick LaCrosse Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | CXS | 6 Cyl 3.6L
$54.81
Denso® Universal Fit Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: 234-4212Product Specifications- Notes: Calif; OE Quality Universal Replacement Sensor
- Installation Type: Screw
- O2 Sensor Configuration: Universal
- OE Part Number: 5C5Z9F472AA, 88Z9F472AB
- Position: Upstream
- Sensor Type: Heated
- Thread Diameter: 0.71" (18 mm)
- UPC: 042511142121
- Wire Harness Length: 11.77" (299 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2008 Buick LaCrosse Universal Fit Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | All Trims | 6 Cyl 3.8L
$38.90OEM (Genuine) 2008 Buick LaCrosse Rear Oxygen Sensor
PartNumber: 12615124Product Specifications- Notes: 5.3 Liter; Lacrosse; Rear; 5.3L
- Other Names: Oxygen Sensor, Rear Oxygen Sensor
- Item Dimensions: 8.1 x 3.2 x 3.1 inches
- Item Weight: 0.60 Pounds
- Fitment Type: Direct Replacement
- Part Description: 2008 Buick LaCrosse Rear Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | Super | 8 Cyl 5.3 L GAS
$96.46 MSRP:$182.02You Save: $85.56 (48%)Walker Products® Premium Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: 250-24703Product 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: 2008 Buick LaCrosse Premium Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | All Trims | 8 Cyl 5.3L
$41.82
Delphi® Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: ES20096Product Specifications- Notes: without California Emission System;17in Cone Length
- Connector Shape: Square
- Position: Front
- Terminal Quantity: 4
- Terminal Type: Blade
- UPC: 689604145173
- Wire Harness Length: 12.4" (310 mm)
- Wrench Size: 0.88" (22 mm)
- Part Description: 2008 Buick LaCrosse Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | CX | 6 Cyl 3.8L
- 2008 Buick LaCrosse | CXL | 6 Cyl 3.8L
$47.41
Denso® Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: 234-4646Product Specifications- Notes: Exc Calif; OE Quality Replacement Sensor
- Connector Gender: Female
- Installation Type: Screw
- O2 Sensor Configuration: Direct Fit
- Position: Upstream
- Sensor Type: Heated
- Thread Diameter: 0.71" (18 mm)
- UPC: 042511146464
- Wire Harness Length: 12.99" (329.9 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2008 Buick LaCrosse Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | All Trims | 6 Cyl 3.8L
$35.87Walker Products® Premium Oxygen Sensor for 2008 Buick LaCrosse
PartNumber: 250-24649Product Specifications- Connector Gender: Male
- Overall Length: 21.57"(547.878 mm)
- Position: Upstream Rear
- Sensor Type: Heated
- Thread Diameter: 0.71"(18.0 mm)
- UPC: 724620039720
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 18.03"(457.962 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2008 Buick LaCrosse Premium Oxygen Sensor
Vehicle Fitment- 2008 Buick LaCrosse | All Trims | 6 Cyl 3.6L
$38.68
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Next >FAQ for Oxygen Sensor Repair
Q: What causes contamination of the heated oxygen sensor?
A:
Inappropriate RTV sealant can cause the oxygen sensor to have contamination.
By Bob
GM Specialist
02/11/2022Q: What does a proper oxygen sensor require?
A:
The oxygen sensor requires air reference to function properly.
By Bob
GM Specialist
02/11/2022Q: How do you install the heated oxygen sensor?
A:
You can re-install the old sensor, and install the CPA retainer, and the sight shield.
By Bob
GM Specialist
02/11/2022Q: When is the oxygen sensor difficult to remove?
A:
The sensor is difficult to remove when the engine is at a temperature of 120F.
By Bob
GM Specialist
02/11/2022Q: What is the proper way to remove the heated oxygen sensor?
A:
The proper way is to remove the intake manifold sight shield, the CPA retainer, and the bank sensor.
By Bob
GM Specialist
02/11/2022Q: What is the heated oxygen sensor installation procedure?
A:
Install the bank 2 sensor 2 to the catalytic converter and tighten the sensor bolt to 42 Nm. Connect the bank 2 sensor 2 electrical connector and install the CPA retainer.
By Bob
GM Specialist
02/11/2022Q: What does soldering cause to wiring?
A:
Soldering a wire may cause the loss of air reference to the sensor.
By Bob
GM Specialist
02/11/2022See more FAQs (2)