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Buick Replacement O2 Sensor

Buick Oxygen Sensor Buick is a respected designer of tough and dependable vehicles that also feature innovative engineering. Buick is a respected producer of reliable and innovative cars that also feature aggressive detailing and solid style on the highway. For cars that are respected for fuel efficiency, performance and long lasting service life, vehicle buyers turn to Buick. For budget-friendly design and rock solid durability consumers can believe in a precision engineered vehicle engineered by Buick. When it's time to settle down and get on with family responsibilities, the Buick gives you comfort, quality and safety at an economical sticker price. A new vehicle demands the most high-end parts you can find. A high quality Buick Oxygen Sensor measures the amount of oxygen that is funneled your vehicle's engine cylinders. Positioned in proximity to the exhaust manifold, the Buick Oxygen Sensor passes oxygen levels present in the vehicle's exhaust system to the computer. Your Buick Oxygen Sensor is the system used to check the oxygen level in the car or truck's exhaust system.

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Review Fitment Notes
Replacement Oxygen Sensor - for 2003 Buick LeSabre 3.8L V6 - 903-002 Click to Enlarge
5 Stars
Replacement 903-002
Oxygen Sensor
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Part Number: 903-002
Brand: Replacement
Notes: OE Style -- 4 Wire; Direct Fit; Correct Connector; No Cutting or Splicing; Correct Wire Length (16.5 Inches or 420mm)
Product Remark: O2 OXYGEN SENSOR
Condition: New
Shipping Options: Free Ground Shipping
$29.95
with FREE Shipping
(99) In Stock
This Part Fits:
Catalog: E
Vehicle Engine Position
2003 Buick LeSabre 3.8L V6 Upstream
Downstream Bosch Oxygen Sensor - for 2010 Buick LaCrosse 3.0L V6 - 16070 Click to Enlarge
5 Stars
Bosch 16070
Oxygen Sensor
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Part Number: 16070
Brand: Bosch
Notes: Actual OE Oxygen Sensor
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
Position: Downstream
Condition: New
Shipping Options: Ground
$65.43
(52) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2010 Buick LaCrosse 3.0L V6
Upstream Bosch Oxygen Sensor - for 2002 Buick LeSabre 3.8L V6 - 13474 Click to Enlarge
5 Stars
Bosch 13474
Oxygen Sensor
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Part Number: 13474
Brand: Bosch
Notes: Engineered Oxygen Sensor
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
Position: Upstream
Condition: New
Shipping Options: Ground
$27.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2002 Buick LeSabre 3.8L V6
Upstream Bosch Oxygen Sensor - for 2001 Buick LeSabre 3.8L V6 - 13474 Click to Enlarge
5 Stars
Bosch 13474
Oxygen Sensor
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Part Number: 13474
Brand: Bosch
Notes: Engineered Oxygen Sensor
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
Position: Upstream
Condition: New
Shipping Options: Ground
$27.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2001 Buick LeSabre 3.8L V6
Upstream Bosch Oxygen Sensor - for 2000 Buick LeSabre 3.8L V6 - 13474 Click to Enlarge
5 Stars
Bosch 13474
Oxygen Sensor
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Part Number: 13474
Brand: Bosch
Notes: Engineered Oxygen Sensor
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
Position: Upstream
Condition: New
Shipping Options: Ground
$27.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2000 Buick LeSabre 3.8L V6
Downstream Bosch Oxygen Sensor - for 2002 Buick LeSabre 3.8L V6 - 13444 Click to Enlarge
5 Stars
Bosch 13444
Oxygen Sensor
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Part Number: 13444
Brand: Bosch
Notes: Engineered Oxygen Sensor -- Exact Fit
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
Position: Downstream
Condition: New
Shipping Options: Ground
$29.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2002 Buick LeSabre 3.8L V6
Downstream Bosch Oxygen Sensor - for 2010 Buick Enclave 3.6L V6 - 16089 Click to Enlarge
4.5 Stars
Bosch 16089
Oxygen Sensor
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Part Number: 16089
Brand: Bosch
Notes: Actual OE Oxygen Sensor
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
Position: Downstream
Condition: New
Shipping Options: Ground
$57.43
(98) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2010 Buick Enclave 3.6L V6
Upstream Bosch Oxygen Sensor - for 1998 Buick LeSabre 3.8L V6 - 13474 Click to Enlarge
5 Stars
Bosch 13474
Oxygen Sensor
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Part Number: 13474
Brand: Bosch
Notes: Engineered Oxygen Sensor
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
Position: Upstream
Condition: New
Shipping Options: Ground
$27.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1998 Buick LeSabre 3.8L V6
Downstream Bosch Oxygen Sensor - for 2001 Buick LeSabre 3.8L V6 - 13444 Click to Enlarge
5 Stars
Bosch 13444
Oxygen Sensor
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Part Number: 13444
Brand: Bosch
Notes: Engineered Oxygen Sensor -- Exact Fit
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
Position: Downstream
Condition: New
Shipping Options: Ground
$29.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2001 Buick LeSabre 3.8L V6
Upstream Right Spectra Premium Oxygen Sensor - for 2009 Buick Enclave 3.6L V6 - OS5461 Click to Enlarge
5 Stars
Spectra Premium OS5461
Oxygen Sensor
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Part Number: OS5461
Brand: Spectra Premium
Notes: Oxygen Sensor -- Bank 1 Sensor 1
Position: Upstream Right
Condition: New
Shipping Options: Ground
$40.43
(39) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2009 Buick Enclave 3.6L V6
Upstream Bosch Oxygen Sensor - for 1997 Buick LeSabre 3.8L V6 - 13474 Click to Enlarge
5 Stars
Bosch 13474
Oxygen Sensor
Loading Reviews...
Part Number: 13474
Brand: Bosch
Notes: Engineered Oxygen Sensor
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
Position: Upstream
Condition: New
Shipping Options: Ground
$27.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1997 Buick LeSabre 3.8L V6
Downstream Bosch Oxygen Sensor - for 2003 Buick Rendezvous 3.4L V6 - 13444 Click to Enlarge
5 Stars
Bosch 13444
Oxygen Sensor
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Part Number: 13444
Brand: Bosch
Notes: Engineered Oxygen Sensor -- Exact Fit
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
Position: Downstream
Condition: New
Shipping Options: Ground
$29.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2003 Buick Rendezvous 3.4L V6
Downstream Bosch Oxygen Sensor - for 2002 Buick Rendezvous 3.4L V6 - 13444 Click to Enlarge
5 Stars
Bosch 13444
Oxygen Sensor
Loading Reviews...
Part Number: 13444
Brand: Bosch
Notes: Engineered Oxygen Sensor -- Exact Fit
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
Position: Downstream
Condition: New
Shipping Options: Ground
$29.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2002 Buick Rendezvous 3.4L V6
Downstream Denso Oxygen Sensor - for 2004 Buick LeSabre - 234-4647 Click to Enlarge
5 Stars
Denso 234-4647
Oxygen Sensor
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Part Number: 234-4647
Brand: Denso
Notes: OE Style -- O.E. Quality Replacement Sensor
Position: Downstream
Condition: New
Sensor Type: Heated
Shipping Options: Ground
$35.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2004 Buick LeSabre
Downstream Bosch Oxygen Sensor - for 1998 Buick LeSabre 3.8L V6 - 13444 Click to Enlarge
5 Stars
Bosch 13444
Oxygen Sensor
Loading Reviews...
Part Number: 13444
Brand: Bosch
Notes: Engineered Oxygen Sensor -- Exact Fit
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
Position: Downstream
Condition: New
Shipping Options: Ground
$29.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1998 Buick LeSabre 3.8L V6
Upstream Denso Oxygen Sensor - for 2001 Buick Century - 234-4650 Click to Enlarge
4.9 Stars
Denso 234-4650
Oxygen Sensor
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Part Number: 234-4650
Brand: Denso
Notes: OE Style -- DENSO is the O.E. Manufacturer / Oxygen Sensor
  • Designed to detect the amount of oxygen in the exhaust system
  • Constructed from high quality material
  • Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
  • Manufactured with precision to meet OE standards
  • Easy installation
Position: Upstream
Condition: New
Sensor Type: Heated
Shipping Options: Ground
$33.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2001 Buick Century
Upstream Bosch Oxygen Sensor - for 2010 Buick Enclave 3.6L V6 - 16088 Click to Enlarge
5 Stars
Bosch 16088
Oxygen Sensor
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Part Number: 16088
Brand: Bosch
Notes: Actual OE Oxygen Sensor
  • Double laser-welded stainless steel body protects against contamination
  • Seared protection tube due to 100% functional quality test
  • Pre-coated threads with anti-seize compound right out of the box
  • True Direct-fit OE connectors and harness
  • Performance meets or exceeds OE specifications
Position: Upstream
Condition: New
Universal Or Specific Fit: Specific
Shipping Options: Ground
$57.98
(1) In Stock
This Part Fits:
Catalog: F
Vehicle Engine
2010 Buick Enclave 3.6L V6
Downstream Walker Products Oxygen Sensor - for 2011 Buick Enclave - W0133-1893659 Click to Enlarge
Website Reviews
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Part Number: W0133-1893659
Brand: Walker Products
Notes: OE Connector
Position: Downstream
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$133.43
Our Price: $72.58
(38) In Stock
This Part Fits:
Catalog: A
Vehicle
2011 Buick Enclave
Upstream Bosch Oxygen Sensor - for 2005 Buick Rendezvous 3.4L V6 - 15896 Click to Enlarge
5 Stars
Bosch 15896
Oxygen Sensor
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Part Number: 15896
Brand: Bosch
Notes: Engineered Oxygen Sensor
  • Premium Bosch oxygen sensors are designed to improve fuel economy while reducing harmful emissions
  • Direct Fit includes OE Connector for easy installation
  • Performance meets or exceeds OE specifications
  • True Direct-fit OE connectors and harness
Position: Upstream
Condition: New
Shipping Options: Ground
$36.08
(39) In Stock
This Part Fits:
Catalog: H
Vehicle Engine
2005 Buick Rendezvous 3.4L V6
Upstream AC Delco Oxygen Sensor - for 2011 Buick Enclave 3.6L V6 LLT VIN: D - 12634061 Click to Enlarge
Website Reviews
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Part Number: 12634061
Brand: AC Delco
Notes: Oxygen Sensor -- New; CHINA VEHICLE STATEMENT (V86)
Position: Upstream
Condition: New
Shipping Options: Ground
$37.87
(1) In Stock
This Part Fits:
Catalog: C
Vehicle Engine Transmission
2011 Buick Enclave 3.6L V6 LLT VIN: D 6T75 Transaxle Automatic 6 Spd
Upstream AC Delco Oxygen Sensor - for 2021 Buick Encore Base FWD 1.4L 4 Cyl LUV VIN: B - 213-4764 Click to Enlarge
5 Stars
AC Delco 213-4764
Oxygen Sensor
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Part Number: 213-4764
Brand: AC Delco
Notes: Oxygen Sensor -- New
Position: Upstream
Condition: New
Shipping Options: Ground
$45.31
(3) In Stock
This Part Fits:
Catalog: T
Vehicle Sub Model Engine
2021 Buick Encore Base FWD 1.4L 4 Cyl LUV VIN: B
Downstream Front API Oxygen Sensor - for 2016 Buick LaCrosse 3.6L V6 - 1900-43704 Click to Enlarge
Website Reviews
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Part Number: 134721-07875315
Brand: API
Notes: Oxygen Sensor -- Heated Sensor
Position: Downstream Front
Condition: New
Shipping Options: Ground
$44.98
(22) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
2016 Buick LaCrosse 3.6L V6
Downstream DIY Solutions Oxygen Sensor - for 2016 Buick LaCrosse 3.6L V6 - EMS00363 Click to Enlarge
Website Reviews
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Part Number: EMS00363
Brand: DIY Solutions
Notes: Oxygen Sensor -- V6 3.6L; Downstream
Position: Downstream
Condition: New
Shipping Options: Free Ground Shipping
$38.95
with FREE Shipping
View Details
This Part Fits:
Catalog: Q
Vehicle Engine
2016 Buick LaCrosse 3.6L V6
Upstream Denso Oxygen Sensor - for 1991 Buick Reatta - 234-1001 Click to Enlarge
4.8 Stars
Denso 234-1001
Oxygen Sensor
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Part Number: 234-1001
Brand: Denso
Notes: OE Style -- O.E. Quality Replacement Sensor
  • Designed to detect the amount of oxygen in the exhaust system
  • Constructed from high quality material
  • Features double protection layer, aluminum oxide trap layer, PTFE filter and stainless steel housing
  • Manufactured with precision to meet OE standards
  • Easy installation
Position: Upstream
Condition: New
Sensor Type: Non Heated
Shipping Options: Ground
$16.73
(1) In Stock
This Part Fits:
Catalog: N
Vehicle
1991 Buick Reatta

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Some of our Customer Reviews
5 of 5
Verified Customer
4/8/13 05:16 PM - USA

Best parts ever real good price. - joseph wilson

- 1999 Buick Park Avenue Oxygen Sensor
5 of 5
Verified Customer
3/30/13 10:11 AM - USA

Quick shipping and a quality product. What more can you ask for. Will definitely be a repeat customer. - Mr RH

- 1998 Buick LeSabre Oxygen Sensor