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Oxygen Sensors
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OEM (Genuine) Buick Regal Oxygen Sensor
PartNumber: 19211437
Product Specifications- Other Names: Oxygen Sensor
- Item Dimensions: 8.3 x 3.3 x 3.3 inches
- Item Weight: 1.40 Pounds
- Fitment Type: Direct Replacement
- Replaces: 19178952, 25162600, 25106073, 25132068, 25166816, 25171574, 25107378, 25162693, 25165118, 25171581, 25165120, 25171573, 19178943, 19178953, 19178919, 25162753, 25133185, 25133076
- Part Description: Buick Regal Oxygen Sensor
$17.75 MSRP:$33.26You Save: $15.51 (47%)
Denso® Universal Fit Oxygen Sensor for Buick Regal
PartNumber: 234-3090Product Specifications- Installation Type: Screw
- O2 Sensor Configuration: Universal
- Position: Upstream
- Sensor Type: Heated
- Thread Diameter: 0.71" (18 mm)
- UPC: 042511130906
- Wire Harness Length: 11.77" (299 mm)
- Wires Quantity: 3 Wire Leads
- Part Description: Buick Regal Universal Fit Oxygen Sensor
$50.75
OEM (Genuine) Buick Regal Front Oxygen Sensor
PartNumber: 19209807
Product Specifications- Item Dimensions: 8.6 x 3.2 x 3.3 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12570149, 12572772, 12574924
- Part Description: Buick Regal Front Oxygen Sensor
$63.62 MSRP:$120.06You Save: $56.44 (48%)
Delphi® Oxygen Sensor for Buick Regal
PartNumber: ES20009Product Specifications- Connector Shape: Triangular
- Overall Length: 23.2" (580 mm)
- Position: Upstream
- Terminal Quantity: 4
- Terminal Type: Blade
- UPC: 689604145548
- Wire Harness Length: 22" (550 mm)
- Wrench Size: 0.88" (22 mm)
- Part Description: Buick Regal Oxygen Sensor
$78.14
Denso® Universal Fit Oxygen Sensor for Buick Regal
PartNumber: 234-4000Product Specifications- 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: Buick Regal Universal Fit Oxygen Sensor
$42.92
OEM (Genuine) Buick Regal Front Oxygen Sensor
PartNumber: 19209814
Product Specifications- 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: Buick Regal Front Oxygen Sensor
$60.43 MSRP:$114.04You Save: $53.61 (48%)
Spectra Premium® Oxygen Sensor for Buick Regal
PartNumber: OS5541Product Specifications- Connector Gender: Female
- Connector Shape: Trapeze
- Installation Type: Screw
- Overall Length: 15 15/16"
- Position: Downstream
- Sensor Type: Heated - Zirconia
- Terminal Quantity: 4
- Thread: M18 X 1.5 mm
- UPC: 671607539264
- Wrench Size: 0.88" (22 mm)
- Part Description: Buick Regal Oxygen Sensor
$33.62
Walker Products® Premium Oxygen Sensor for Buick Regal
PartNumber: 250-24619Product Specifications- Connector Gender: Female
- Overall Length: 13.9"(353.06 mm)
- Position: Downstream
- Sensor Type: Heated
- Thread Diameter: 0.71"(18.0 mm)
- UPC: 724620042225
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 10.35" (262.9 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: Buick Regal Premium Oxygen Sensor
$66.24
Delphi® Oxygen Sensor for Buick Regal
PartNumber: ES20088Product 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: Buick Regal Oxygen Sensor
$67.31
NTK® OE Type Oxygen Sensor for Buick Regal
PartNumber: 21071Product Specifications- Mounting Type: Threaded
- Sensor Type: Heated
- Thread Diameter: 18.000
- Universal Or Specific Fit: Specific
- UPC: 087295210710
- Wire Quantity: 4
- Wiring Harness Length: 14.7500
- Part Description: Buick Regal OE Type Oxygen Sensor
$50.41
Denso® Universal Fit Oxygen Sensor for Buick Regal
PartNumber: 234-4209Product Specifications- 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: Buick Regal Universal Fit Oxygen Sensor
$41.03
OEM (Genuine) Buick Regal Upper Oxygen Sensor
PartNumber: 12643707
Product Specifications- Item Dimensions: 8.2 x 3.1 x 3.1 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12627139
- Part Description: Buick Regal Upper Oxygen Sensor
$44.51 MSRP:$67.38You Save: $22.87 (34%)
Spectra Premium® Oxygen Sensor for 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: Buick Regal Oxygen Sensor
$23.79
Walker Products® Oxygen Sensor for Buick Regal
PartNumber: 350-34396Product Specifications- Connector Gender: Female
- Connector Shape: Radiused Polygon
- Installation Type: Threaded
- Overall Length: 13.9"
- Position: Downstream
- Sensor Type: Heated
- Thread Diameter: 18.0 mm
- UPC: 724620092121
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 10.35" (262.9 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: Buick Regal Oxygen Sensor
$53.00
Delphi® Oxygen Sensor for Buick Regal
PartNumber: ES20320Product Specifications- Connector Shape: Square
- Position: Rear
- Terminal Quantity: 4
- Terminal Type: Blade
- UPC: 689604188316
- Wire Harness Length: 12.4" (310 mm)
- Wrench Size: 0.88" (22 mm)
- Part Description: Buick Regal Oxygen Sensor
$62.83
Denso® Oxygen Sensor for Buick Regal
PartNumber: 234-4526Product Specifications- Connector Gender: Male
- Installation Type: Screw
- O2 Sensor Configuration: Direct Fit
- Position: Downstream
- Sensor Type: Heated
- Thread Diameter: 0.71" (18 mm)
- UPC: 042511118843
- Wire Harness Length: 16.38" (416.1 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: Buick Regal Oxygen Sensor
$39.35
OEM (Genuine) Buick Regal Upper Oxygen Sensor
PartNumber: 12616502
Product Specifications- Item Dimensions: 8.2 x 3.1 x 3.1 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12617648
- Part Description: Buick Regal Upper Oxygen Sensor
$83.96 MSRP:$158.44You Save: $74.48 (48%)
Spectra Premium® Oxygen Sensor for Buick Regal
PartNumber: OS5210Product Specifications- Connector Gender: Female
- Connector Shape: Square
- Installation Type: Screw
- Overall Length: 16 1/8"
- Position: Downstream Passenger Side
- Sensor Type: Heated - Zirconia
- Terminal Quantity: 4
- Thread: M18 X 1.5 mm
- UPC: 671607156928
- Wrench Size: 0.88" (22 mm)
- Part Description: Buick Regal Oxygen Sensor
$22.09
Delphi® Oxygen Sensor for Buick Regal
PartNumber: ES20002Product Specifications- 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: Buick Regal Oxygen Sensor
$49.52Walker Products® Premium Oxygen Sensor for Buick Regal
PartNumber: 250-24492Product Specifications- Connector Gender: Female
- Overall Length: 22.76"(578.104 mm)
- Position: Upstream Passenger Side
- Sensor Type: Heated
- Thread Diameter: 0.71"(18.0 mm)
- UPC: 724620043741
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 19.21"(487.934 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: Buick Regal Premium Oxygen Sensor
$47.23
Denso® Universal Fit Oxygen Sensor for Buick Regal
PartNumber: 234-3000Product Specifications- Installation Type: Screw
- O2 Sensor Configuration: Universal
- Pigtail Length: 16"
- Position: Upstream
- Sensor Type: Heated
- Thread Diameter: 0.71" (18 mm)
- UPC: 042511130005
- Wire Harness Length: 11.77" (299 mm)
- Wires Quantity: 3 Wire Leads
- Part Description: Buick Regal Universal Fit Oxygen Sensor
$38.98
OEM (Genuine) Buick Regal Rear Oxygen Sensor
PartNumber: 19178924
Product Specifications- Other Names: Oxygen Sensor, Rear Oxygen Sensor
- Item Dimensions: 6.8 x 2.1 x 1.9 inches
- Item Weight: 0.50 Pounds
- Fitment Type: Direct Replacement
- Replaces: 25312207, 25161130, 12587214, 25312196, 25164983, 19178921
- Part Description: Buick Regal Rear Oxygen Sensor
$71.66 MSRP:$135.22You Save: $63.56 (48%)
NTK® OE Type Oxygen Sensor for Buick Regal
PartNumber: 21002Product Specifications- Installation Type: Screw
- O2 Sensor Configuration: Direct Fit
- Position: Upstream
- Thread Diameter: 0.71" (18 mm)
- UPC: 087295210024
- Wire Harness Length: 15.25" (387.4 mm)
- Wires Quantity: 1 Wire Lead
- Part Description: Buick Regal OE Type Oxygen Sensor
$18.12
Spectra Premium® Oxygen Sensor for Buick Regal
PartNumber: OS5044Product Specifications- Connector Gender: Male
- Connector Shape: Oval
- Installation Type: Screw
- Overall Length: 14 3/4"
- Position: Upstream
- Sensor Type: Heated - Zirconia
- Terminal Quantity: 4
- Thread: M18 X 1.5 mm
- UPC: 671607155051
- Wrench Size: 0.88" (22 mm)
- Part Description: Buick Regal Oxygen Sensor
$17.62
Delphi® Oxygen Sensor for Buick Regal
PartNumber: ES20010Product Specifications- Connector Shape: Flat
- Position: Rear
- Terminal Quantity: 4
- Terminal Type: Blade
- UPC: 689604148235
- Wire Harness Length: 12.4" (310 mm)
- Wrench Size: 0.88" (22 mm)
- Part Description: Buick Regal Oxygen Sensor
$48.15Walker Products® Premium Oxygen Sensor for Buick Regal
PartNumber: 250-241133Product Specifications- Connector Gender: Male
- Location: B1S1 Sensor
- Overall Length: 15.87"(403.098 mm)
- Position: Upstream
- Sensor Type: Heated
- Thread Diameter: 0.71"(18.0 mm)
- UPC: 724620101915
- Wire Gauge Measurement: 20 Gauge
- Wire Harness Length: 12.32"(312.928 mm)
- Wires Quantity: 4 Wire Leads
- Part Description: Buick Regal Premium Oxygen Sensor
$45.23
Denso® Universal Fit Oxygen Sensor for Buick Regal
PartNumber: 234-4212Product Specifications- 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: Buick Regal Universal Fit Oxygen Sensor
$38.90
OEM (Genuine) Buick Regal Lower Oxygen Sensor
PartNumber: 12661898
Product Specifications- Item Dimensions: 2.0 x 18.7 x 1.0 inches
- Item Weight: 0.70 Pounds
- Fitment Type: Direct Replacement
- Replaces: 12643903
- Part Description: Buick Regal Lower Oxygen Sensor
$64.64 MSRP:$121.99You Save: $57.35 (48%)
Delphi® Oxygen Sensor for Buick Regal
PartNumber: ES20096Product Specifications- 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: Buick Regal Oxygen Sensor
$47.41Walker Products® Premium Oxygen Sensor for Buick Regal
PartNumber: 250-24698Product 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: Buick Regal Premium Oxygen Sensor
$43.87
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Next >About Buick Regal Oxygen Sensor
The Buick Regal was usually offered as a coupe and sedan. The Buick Regal was the best-selling car in America in 1976. Classic parts like the oxygen sensor parts contribute to the success of this car. Oxygen sensors are equipped for modern vehicles. The oxygen sensor monitors the amount of oxygen that is in the exhaust.
Whereas, the worn oxygen sensor needs to be repaired or replaced for better Buick Regal performance. The oxygen sensor can be tested by following the next steps. Start the engine and bring it to operating temperature. Next, run the engine to 1200 rpm and use a voltmeter to verify the sensor voltage. And the voltage of the sensor depends on the vehicle's recommended oxygen sensor voltage. Always remember to torque the new oxygen sensor to the recommended torque and apply anti-seize to the threads to avoid it from getting rusted and stuck in place. We provide nice services and great Buick Regal products to consumers. The Buick Regal will remain classic and popular for its useful parts. And we are online for you 24/7.