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Buick Century Oxygen Sensor Reviews
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Shop Buick Century Replacement Oxygen Sensor

People drive Buick Centurys because they are reliable cars that get great gas mileage and have quality emissions that can comply with today's tough standards. An oxygen sensor is a key component to having your emissions system operate correctly and if it fails, you could find yourself in some trouble. Engines need to have a perfect ratio of fuel to air in order to achieve maximum performance and run as efficiently as possible. The oxygen sensor is the part of your car that reads the radio of gas to air in the engine and tells the engine to adjust accordingly. If the oxygen sensor goes bad, you could end up polluting the air by burning excess fuel. Your car's performance will also be sub-par. If your oxygen sensor fails, you will want to get it replaced immediately. Partsgeek.com sells replacement sensors o fit your Buick Century perfectly.

We stock these Oxygen Sensor brands for the Buick Century: ReplacementDensoBoschStandard Motor ProductsAC DelcoAPIDIY Solutions

Select your Century year

Review Fitment Notes
Showing 22 of 904 Results
Replacement Oxygen Sensor - for 2003 Buick Century 3.1L V6 - 903-010 Click to Enlarge
5 Stars
Replacement 903-010
Oxygen Sensor
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Part Number: 903-010
Brand: Replacement
Notes: Engineered Oxygen Sensor -- 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
$30.95
with FREE Shipping
(44) In Stock
This Part Fits:
Catalog: E
Vehicle Engine Position
2003 Buick Century 3.1L V6 Downstream
Replacement Oxygen Sensor - for 2003 Buick Century 3.1L V6 - 903-037 Click to Enlarge
5 Stars
Replacement 903-037
Oxygen Sensor
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Part Number: 903-037
Brand: Replacement
Notes: Oxygen Sensor -- 4 Wire; Direct Fit; Correct Connector; No cutting or splicing; Correct wire length (15.7 Inches or 400mm)
Product Remark: O2 OXYGEN SENSOR
Condition: New
Shipping Options: Free Ground Shipping
$30.95
with FREE Shipping
(57) In Stock
This Part Fits:
Catalog: E
Vehicle Engine Position
2003 Buick Century 3.1L V6 Upstream
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 Denso Oxygen Sensor - for 1999 Buick Century - 234-4018 Click to Enlarge
4.9 Stars
Denso 234-4018
Oxygen Sensor
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Part Number: 234-4018
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: Heated
Shipping Options: Ground
$28.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
1999 Buick Century
Upstream Denso Oxygen Sensor - for 2003 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
2003 Buick Century
Upstream Denso Oxygen Sensor - for 2000 Buick Century - 234-4018 Click to Enlarge
4.9 Stars
Denso 234-4018
Oxygen Sensor
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Part Number: 234-4018
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: Heated
Shipping Options: Ground
$28.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2000 Buick Century
Downstream Denso Oxygen Sensor - for 2001 Buick Century - 234-4087 Click to Enlarge
5 Stars
Denso 234-4087
Oxygen Sensor
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Part Number: 234-4087
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: Downstream
Condition: New
Sensor Type: Heated
Shipping Options: Ground
$30.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2001 Buick Century
Downstream Denso Oxygen Sensor - for 2002 Buick Century - 234-4087 Click to Enlarge
5 Stars
Denso 234-4087
Oxygen Sensor
Loading Reviews...
Part Number: 234-4087
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: Downstream
Condition: New
Sensor Type: Heated
Shipping Options: Ground
$30.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2002 Buick Century
Downstream Denso Oxygen Sensor - for 1999 Buick Century - 234-4087 Click to Enlarge
5 Stars
Denso 234-4087
Oxygen Sensor
Loading Reviews...
Part Number: 234-4087
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: Downstream
Condition: New
Sensor Type: Heated
Shipping Options: Ground
$30.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
1999 Buick Century
Downstream Bosch Oxygen Sensor - for 1998 Buick Century 3.1L 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
1998 Buick Century 3.1L V6
Downstream Denso Oxygen Sensor - for 2000 Buick Century - 234-4087 Click to Enlarge
5 Stars
Denso 234-4087
Oxygen Sensor
Loading Reviews...
Part Number: 234-4087
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: Downstream
Condition: New
Sensor Type: Heated
Shipping Options: Ground
$30.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2000 Buick Century
Downstream Denso Oxygen Sensor - for 2003 Buick Century - 234-4087 Click to Enlarge
5 Stars
Denso 234-4087
Oxygen Sensor
Loading Reviews...
Part Number: 234-4087
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: Downstream
Condition: New
Sensor Type: Heated
Shipping Options: Ground
$30.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2003 Buick Century
Downstream Bosch Oxygen Sensor - for 2002 Buick Century 3.1L 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 Century 3.1L V6
Upstream Bosch Oxygen Sensor - for 2000 Buick Century 3.1L 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
2000 Buick Century 3.1L V6
Upstream Denso Oxygen Sensor - for 2002 Buick Century - 234-4650 Click to Enlarge
4.9 Stars
Denso 234-4650
Oxygen Sensor
Loading Reviews...
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
2002 Buick Century
Upstream Bosch Oxygen Sensor - for 2000 Buick Century - W0133-1614689 Click to Enlarge
5 Stars
Bosch W0133-1614689
Oxygen Sensor
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Part Number: W0133-1614689
Brand: Bosch
Notes: OE Connector
Position: Upstream
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$81.51
Our Price: $33.58
(10) In Stock
This Part Fits:
Catalog: A
Vehicle
2000 Buick Century
Upstream Bosch Oxygen Sensor - for 2005 Buick Century 3.1L 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
(40) In Stock
This Part Fits:
Catalog: H
Vehicle Engine
2005 Buick Century 3.1L V6
Upstream Standard Motor Products Oxygen Sensor - for 1981 Buick Century - SG3 Click to Enlarge
Website Reviews
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Part Number: SG3
Brand: Standard Motor Products
Notes: Oxygen Sensor
Position: Upstream
Condition: New
Shipping Options: Ground
$24.73
(2) In Stock
This Part Fits:
Catalog: C
Vehicle
1981 Buick Century
Downstream AC Delco Oxygen Sensor - for 2003 Buick Century - AFS141 Click to Enlarge
5 Stars
AC Delco AFS141
Oxygen Sensor
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Part Number: AFS141
Brand: AC Delco
Notes: Oxygen Sensor -- New; POST CONVERTER
Position: Downstream
Condition: New
Shipping Options: Ground
$52.98
(2) In Stock
This Part Fits:
Catalog: T
Vehicle
2003 Buick Century
Downstream API Oxygen Sensor - for 2004 Buick Century 3.1L V6 VIN: J FI Naturally Aspirated GAS - 1900-429259 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: 17810-07691660
Brand: API
Notes: Oxygen Sensor -- Heated Sensor
Position: Downstream
Condition: New
Shipping Options: Ground
$25.98
(26) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
2004 Buick Century 3.1L V6 VIN: J FI Naturally Aspirated GAS
Downstream DIY Solutions Oxygen Sensor with Socket Kit - for 2004 Buick Century 3.1L V6 - EMS00137 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: EMS00137
Brand: DIY Solutions
Notes: V6 3.1L; Downstream
  • Quality Tested - built to a strict level of product standards.
  • Direct Fit Replacement
Position: Downstream
Condition: New
Also Used For: LS Swap
Shipping Options: Free Ground Shipping
$44.95
with FREE Shipping
(20) In Stock
This Part Fits:
Catalog: Q
Vehicle Engine
2004 Buick Century 3.1L V6
Upstream AC Delco Oxygen Sensor - for 1996 Buick Century 2.2L 4 Cyl LN2 VIN: 4 - AFS21 Click to Enlarge
4.8 Stars
AC Delco AFS21
Oxygen Sensor
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Part Number: AFS21
Brand: AC Delco
Notes: Oxygen Sensor -- New; IN EXHAUST MANIFOLD/CROSSOVER
Position: Upstream
Condition: New
Shipping Options: Ground
$15.80
(20) In Stock
This Part Fits:
Catalog: N
Vehicle Engine
1996 Buick Century 2.2L 4 Cyl LN2 VIN: 4

Related Fuel Injection Parts

Oxygen Sensors available for the following Buick Century years: 2005, 2004, 2003, 2002, 2001, 2000, 1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988, 1987, 1986, 1985, 1984, 1983, 1982, 1981, 1980, 05, 04, 03, 02, 01, 00, 99, 98, 97, 96, 95, 94, 93, 92, 91, 90, 89, 88, 87, 86, 85, 84, 83, 82, 81, 80. This part is also sometimes called Buick Century O2 Sensor. We stock oxygen sensor parts for most Buick models including LeSabre, Rendezvous, LaCrosse, Regal, Enclave, Park Avenue, Lucerne, Encore, Verano, Rainier, Roadmaster, Riviera, Terraza, Reatta, Skylark, Envision, Electra, Skyhawk, Allure, Estate Wagon, Commercial Chassis, Somerset, Somerset Regal and Opel.

Buick Century Oxygen Sensor Reviews
5 of 5
Verified Customer
10/5/13 10:56 AM - USA

Received part within a few days in secured package.The part was of good quality and installed fairly easy,as easy as a vehicle with over 150K could.Reset codes and test drove ok. - gerald davidson

- 1999 Buick Century Oxygen Sensor
5 of 5
Verified Customer
1/27/14 06:25 PM - USA

installed the product check engine light is now off - franklin/work

- 2002 Buick Century Oxygen Sensor
5 of 5
Verified Customer
4/30/14 08:23 AM - USA

We wanted to sell our car but the Engine Light came on. After we bought the Oxygen Sensor at a low price, the light went off and all is well. Good(Best)price! - Larry of SC

- 2001 Buick Century Oxygen Sensor
5 of 5
Verified Customer
5/12/14 12:02 PM - USA

I ordered the Upstream Denso Oxygen Sensor because the service engine light came on. When I had it installed, the light went off and everything seems to be ok. It did not cost much and I had my service garage to install it. Thank you. - Oxygen Sensor performs well

- 2001 Buick Century Oxygen Sensor
5 of 5
Verified Customer
2/22/15 12:44 AM - USA

Good prices an fast shipping i wish i found partsgeek years ago... - perfect

- 2001 Buick Century Oxygen Sensor
5 of 5
Verified Customer
8/16/15 01:47 PM - USA

This was an excellent price for the exact part that was double the price at the local stores. I saved over twenty dollars and shouldn't have used the gas to check prices. The shipping was quick, and I had the part in less than a week.

Thanks, - Jerry M.

- 2000 Buick Century Oxygen Sensor