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Oxygen Sensors
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OEM (Genuine) 2002 Buick Regal Front Oxygen Sensor
PartNumber: 19178958
Product Specifications- Notes: 3.8L; Front;All Models; 3.8L; Front; At Manifold
- Other Names: Front Oxygen Sensor, Manifold, Oxygen Sensor
- Item Dimensions: 7.9 x 2.1 x 2.3 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Replaces: 25312203, 25178022, 25164488, 25312211
- Part Description: 2002 Buick Regal Front Oxygen Sensor
Vehicle Fitment- 2002 Buick Regal | 25th Anniversary Edition, GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
$64.84 MSRP:$122.36You Save: $57.52 (48%)
Denso® Universal Fit Oxygen Sensor for 2002 Buick Regal
PartNumber: 234-4000Product Specifications- Notes: OE Quality Universal Replacement Sensor
- Installation Type: Screw
- O2 Sensor Configuration: Universal
- OE Part Number: 000 540 45 17
- Position: Downstream
- Sensor Type: Heated
- Thread Diameter: 0.71" (18 mm)
- UPC: 042511140004
- Wire Harness Length: 11.77" (299 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2002 Buick Regal Universal Fit Oxygen Sensor
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
$42.92
Delphi® Oxygen Sensor for 2002 Buick Regal
PartNumber: ES20002Product Specifications- Notes: 18in Length
- Connector Shape: Square
- Position: Rear
- Sensor Type: Non Heated
- Terminal Quantity: 4
- Terminal Type: Blade
- UPC: 689604148037
- Wire Harness Length: 12.8" (320 mm)
- Wrench Size: 0.88" (22 mm)
- Part Description: 2002 Buick Regal Oxygen Sensor
Vehicle Fitment- 2002 Buick Regal | GS | 6 Cyl 3.8L
- 2002 Buick Regal | LS | 6 Cyl 3.8L
$49.52
Spectra Premium® Oxygen Sensor for 2002 Buick Regal
PartNumber: OS5042Product Specifications- Connector Gender: Male
- Connector Shape: Square
- Installation Type: Screw
- Overall Length: 16 1/8"
- Position: Downstream
- Sensor Type: Heated - Zirconia
- Terminal Quantity: 4
- Thread: M18 X 1.5 mm
- UPC: 671607155037
- Wrench Size: 0.88" (22 mm)
- Part Description: 2002 Buick Regal Oxygen Sensor
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
$23.79
Walker Products® Premium Oxygen Sensor for 2002 Buick Regal
PartNumber: 250-24340Product Specifications- Connector Gender: Male
- Overall Length: 13.7"(347.98 mm)
- Position: Downstream
- Sensor Type: Heated
- Thread Diameter: 0.71"(18.0 mm)
- UPC: 724620041556
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 10.16"(258.064 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2002 Buick Regal Premium Oxygen Sensor
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
$34.68
OEM (Genuine) 2002 Buick Regal Oxygen Sensor
PartNumber: 19178747
Product Specifications- Notes: 3.8L; Rear;All Models; 3.8L; Rear; Post Converter
- Other Names: Oxygen Sensor
- Item Dimensions: 7.7 x 2.0 x 2.4 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Replaces: 25318321
- Replaced by: 19355307
- Part Description: 2002 Buick Regal Oxygen Sensor
Vehicle Fitment- 2002 Buick Regal | GS, GSE, LS, LSE | 6 Cyl 3.8 L GAS
$81.31 MSRP:$147.86You Save: $66.55 (46%)
Denso® Oxygen Sensor for 2002 Buick Regal
PartNumber: 234-4087Product 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: 042511140875
- Wire Harness Length: 12.2" (309.9 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2002 Buick Regal Oxygen Sensor
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
$31.24
Delphi® Oxygen Sensor for 2002 Buick Regal
PartNumber: ES20001Product Specifications- Notes: Heated;15in Length
- Connector Shape: Square
- Position: Front
- Terminal Quantity: 4
- Terminal Type: Blade
- UPC: 689604148020
- Wire Harness Length: 12.4" (310 mm)
- Wrench Size: 0.88" (22 mm)
- Part Description: 2002 Buick Regal Oxygen Sensor
Vehicle Fitment- 2002 Buick Regal | GS | 6 Cyl 3.8L
- 2002 Buick Regal | LS | 6 Cyl 3.8L
$41.90Walker Products® Premium Oxygen Sensor for 2002 Buick Regal
PartNumber: 250-24018Product Specifications- Connector Gender: Female
- Overall Length: 15.87"(403.098 mm)
- Position: Downstream Passenger Side
- Sensor Type: Heated
- Thread Diameter: 0.71"(18.0 mm)
- UPC: 724620017902
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 12.32"(312.928 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2002 Buick Regal Premium Oxygen Sensor
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
$32.48
Denso® Oxygen Sensor for 2002 Buick Regal
PartNumber: 234-4018Product 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: 042511140189
- Wire Harness Length: 15.35" (389.9 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2002 Buick Regal Oxygen Sensor
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
$28.23
Walker Products® Oxygen Sensor for 2002 Buick Regal
PartNumber: 350-34076Product Specifications- Notes: Downstream
- Connector Gender: Male
- Connector Shape: Radiused Polygon
- Installation Type: Threaded
- Overall Length: 13.7"
- Position: Downstream
- Sensor Type: Heated
- Thread Diameter: 18.0 mm
- UPC: 724620089008
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 10.16"
- Wires Quantity: 4 Wire Leads
- Part Description: 2002 Buick Regal Oxygen Sensor
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
$26.93
Walker Products® Oxygen Sensor for 2002 Buick Regal
PartNumber: 350-34525Product Specifications- Notes: Upstream
- Connector Gender: Female
- Connector Shape: Radiused Polygon
- Installation Type: Threaded
- Overall Length: 15.87"
- Position: Downstream Driver Side
- Sensor Type: Heated
- Thread Diameter: 18.0 mm
- UPC: 724620093388
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 12.32"
- Wires Quantity: 4 Wire Leads
- Part Description: 2002 Buick Regal Oxygen Sensor
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
$25.97
NTK® OE Type Oxygen Sensor for 2002 Buick Regal
PartNumber: 21528Product Specifications- Notes: B1S2; OE Equivalent Design
- Installation Type: Screw
- Location: B1S2
- O2 Sensor Configuration: Direct Fit
- Position: Downstream
- Thread Diameter: 0.71" (18 mm)
- UPC: 087295215289
- Wire Harness Length: 12.5" (317.5 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: 2002 Buick Regal OE Type Oxygen Sensor
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
$40.04
NTK® OE Type Oxygen Sensor for 2002 Buick Regal
PartNumber: 21539Product Specifications- Notes: B1S1; OE Equivalent Design
- Mounting Type: Threaded
- Sensor Type: Heated
- Thread Diameter: 18.000
- Universal Or Specific Fit: Specific
- UPC: 087295215395
- Wire Quantity: 4
- Wiring Harness Length: 15.2500
- Part Description: 2002 Buick Regal OE Type Oxygen Sensor
Vehicle Fitment- 2002 Buick Regal | All Trims | 6 Cyl 3.8L
$43.86
FAQ for Oxygen Sensor Repair
Q: How to install the Heated Oxygen Sensor (HO2S) 2?
A:
You need to install the oxygen sensor to the exhaust pipe, tighten the oxygen sensor, connect the HO2S electrical connector to the HO2S electrical harness connector, install the retaining tab to the HO2S electrical connector, and lower the vehicle.
By Bob
GM Specialist
02/11/2022Q: What is the removal procedure for the heated oxygen sensor (HO2S)1?
A:
You need to remove the fuel injector sight shield and the HO2S electrical connector retaining clip, disconnect the HO2S electrical connector, and remove the HO2S electrical connector from the bracket and the HO2S.
By Bob
GM Specialist
02/11/2022Q: How to install the heated oxygen sensor (HO2S)1?
A:
You need to install the HO2S to the right exhaust manifold, the HO2S electrical connector to the bracket, connect the wiring harness electrical connector to the HO2S electrical connector, and install the HO2S electrical connector retaining clip and the fuel injector sight shield.
By Bob
GM Specialist
02/11/2022Q: What is the removal procedure for the Heated Oxygen Sensor (HO2S)2?
A:
You need to raise and support the vehicle, remove the HO2S electrical connector retaining tab from the HO2S electrical harness connector, disconnect the HO2S electrical connector from the HO2S electrical harness connector, and remove the oxygen sensor from the exhaust pipe using the J 39194.
By Bob
GM Specialist
02/11/2022