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Buick LeSabre Oxygen Sensor Reviews
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Shop Buick LeSabre Replacement Oxygen Sensor

Efficiency comes with the cost of performing upkeep, as the Buick LeSabre needs to have high-quality replacement and aftermarket parts to keep running at peak efficiency. Support your car's systems by buying only the finest in high-quality parts. Your car is special because it has high performance and great style, so to keep it running in its best condition you'll need the acme in replacement parts and accessories. Your oxygen sensor works in conjunction with a vehicle's data processor to decide whether or not the fuel mix fed to your motor needs to be fine-tuned. Usually found near the exhaust manifold, your Buick LeSabre Oxygen Sensor reports oxygen levels measured in the car or truck's exhaust system to the engine computer. Whenever the ratio of fuel to air is too low, poor engine power will be the result; on the other hand, a fuel-heavy air-fuel ratio causes damage to your engine and unwanted pollution from the car's exhaust pipe. The Oxygen Sensor tracks the gas to oxygen proportion by analyzing it to guarantee optimum mileage. Your Oxygen Sensor is an element of your emissions system and contributes to modifications to the air/fuel ratio, removing the need for constant altitude adjustments.

We stock these Oxygen Sensor brands for the Buick LeSabre: ReplacementBoschDensoStandard Motor ProductsWalkerAPIDIY SolutionsAC Delco

Select your LeSabre year

Review Fitment Notes
Showing 22 of 833 Results
Replacement Oxygen Sensor - for 1997 Buick LeSabre 3.8L 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
1997 Buick LeSabre 3.8L V6 Downstream
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
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 Bosch Oxygen Sensor - for 1997 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
1997 Buick LeSabre 3.8L 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
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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 LeSabre 3.8L V6
Upstream Denso Oxygen Sensor - for 2004 Buick LeSabre - 234-4646 Click to Enlarge
5 Stars
Denso 234-4646
Oxygen Sensor
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Part Number: 234-4646
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
$35.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2004 Buick LeSabre
Upstream Denso Oxygen Sensor - for 2004 Buick LeSabre - 234-4209 Click to Enlarge
4.8 Stars
Denso 234-4209
Oxygen Sensor
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Part Number: 234-4209
Brand: Denso
Notes: Universal -- O.E. Quality Universal Replacement Sensor
  • Manufactured to the highest O.E. quality, guaranteed to fit right
  • Aluminum oxide trap, this extra layer helps to protect from silicone and lead poisoning
  • Stainless steel housing and porous Teflon filter all contribute to make a long life
  • Improved engine performance and greater fuel efficiency
  • Prevents premature sensor failure
Position: Upstream
Condition: New
Sensor Type: Heated
Shipping Options: Ground
$39.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle
2004 Buick LeSabre
Downstream Bosch Oxygen Sensor - for 2005 Buick LeSabre 3.8L V6 - 15895 Click to Enlarge
5 Stars
Bosch 15895
Oxygen Sensor
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Part Number: 15895
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: Downstream
Condition: New
Shipping Options: Ground
$40.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2005 Buick LeSabre 3.8L V6
Upstream Bosch Oxygen Sensor - for 2005 Buick LeSabre 3.8L V6 - 15899 Click to Enlarge
4.7 Stars
Bosch 15899
Oxygen Sensor
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Part Number: 15899
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
$39.43
(26) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2005 Buick LeSabre 3.8L V6
Downstream Bosch Oxygen Sensor - for 2004 Buick LeSabre 3.8L V6 - 15895 Click to Enlarge
5 Stars
Bosch 15895
Oxygen Sensor
Loading Reviews...
Part Number: 15895
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: Downstream
Condition: New
Shipping Options: Ground
$40.43
(99) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
2004 Buick LeSabre 3.8L V6
Downstream Bosch Oxygen Sensor - for 2003 Buick LeSabre - W0133-1612083 Click to Enlarge
Website Reviews
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Part Number: W0133-1612083
Brand: Bosch
Notes: OE Connector
Position: Downstream
Condition: New
Shipping Options: Ground, Overnight, 2 Day
List Price:
$87.19
Our Price: $41.58
(6) In Stock
This Part Fits:
Catalog: A
Vehicle
2003 Buick LeSabre
Upstream Standard Motor Products Oxygen Sensor - for 1993 Buick LeSabre - SG5 Click to Enlarge
Website Reviews
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Part Number: SG5
Brand: Standard Motor Products
Notes: Oxygen Sensor -- 1 Wire
Position: Upstream
Condition: New
Shipping Options: Ground
$19.83
View Details
This Part Fits:
Catalog: H
Vehicle
1993 Buick LeSabre
Upstream Standard Motor Products Oxygen Sensor - for 2005 Buick LeSabre - SG326 Click to Enlarge
Website Reviews
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Part Number: SG326
Brand: Standard Motor Products
Notes: Oxygen Sensor
Position: Upstream
Condition: New
Contents: Oxygen Sensor
Heated: Yes
Shipping Options: Ground
$55.98
(1) In Stock
This Part Fits:
Catalog: C
Vehicle
2005 Buick LeSabre
Downstream Walker Oxygen Sensor - for 2003 Buick LeSabre 3.8L V6 VIN: K FI Naturally Aspirated GAS - 250-24340 Click to Enlarge
5 Stars
Walker 250-24340
Oxygen Sensor
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Part Number: 250-24340
Brand: Walker
Notes: OE
  • Designed to meet or exceed OE specifications in form, fit and function. Global coverage for import and/or domestic applications. Direct fit replacement. Performance meets or exceeds OE performance. Increase fuel economy and lower emissions
Position: Downstream
Condition: New
Shipping Options: Ground
$36.98
(4) In Stock
This Part Fits:
Catalog: T
Vehicle Engine
2003 Buick LeSabre 3.8L V6 VIN: K FI Naturally Aspirated GAS
Downstream API Oxygen Sensor - for 2005 Buick LeSabre 3.8L V6 VIN: K FI Naturally Aspirated GAS - 1900-482151 Click to Enlarge
5 Stars
API 1900-482151
Oxygen Sensor
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Part Number: 18282-07421837
Brand: API
Notes: Oxygen Sensor -- Heated Sensor
Position: Downstream
Condition: New
Shipping Options: Ground
$36.98
(44) In Stock
This Part Fits:
Catalog: P
Vehicle Engine
2005 Buick LeSabre 3.8L V6 VIN: K FI Naturally Aspirated GAS
Upstream DIY Solutions Oxygen Sensor with Socket Kit - for 2003 Buick LeSabre 3.8L V6 - EMS00138 Click to Enlarge
5 Stars
DIY Solutions EMS00138
Oxygen Sensor with Socket Kit
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Part Number: EMS00138
Brand: DIY Solutions
Notes: V6 3.8L; Upstream
  • Quality Tested - built to a strict level of product standards.
  • Direct Fit Replacement
Position: Upstream
Condition: New
Shipping Options: Free Ground Shipping
$42.95
with FREE Shipping
(20) In Stock
This Part Fits:
Catalog: Q
Vehicle Engine
2003 Buick LeSabre 3.8L V6
Upstream AC Delco Oxygen Sensor - for 1993 Buick LeSabre 3.8L V6 L27 VIN: L - 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) (BOSCH
Position: Upstream
Condition: New
Shipping Options: Ground
$15.80
(20) In Stock
This Part Fits:
Catalog: N
Vehicle Engine
1993 Buick LeSabre 3.8L V6 L27 VIN: L

Related Fuel Injection Parts

Oxygen Sensors available for the following Buick LeSabre 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, 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, 80. This part is also sometimes called Buick LeSabre O2 Sensor. We stock oxygen sensor parts for most Buick models including Century, 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 LeSabre Oxygen Sensor Reviews
5 of 5
Verified Customer
3/11/13 09:19 PM - USA

Very satisfied with part price, easy ordering, and timely shipping... - Edward Brown

- 2000 Buick LeSabre Oxygen Sensor
5 of 5
Verified Customer
3/16/14 10:12 PM - USA

This is the first time I've ordered from Parts Geek. My part was shipped quickly and arrived in good condition. I installed the oxygen sensor the day I received it and plan to order from Parts Geek again. - LTorg

- 1997 Buick LeSabre Oxygen Sensor
5 of 5
Verified Customer
5/22/14 08:34 AM - USA

Exact fit for my car. Great price.

Super fast delivery. Very happy customer! - Very Satisfied Customer

- 2001 Buick LeSabre Oxygen Sensor
5 of 5
Verified Customer
6/21/14 01:03 AM - USA

The part perfectly replaced the original Delco part, including plug in-- just a monster to unplug the old/plug in the new, due to design of the car. - Perfect fit!

- 2000 Buick LeSabre Oxygen Sensor
5 of 5
Verified Customer
6/21/14 01:04 AM - USA

Plug-in was exact and the part a proper replacement of OE part. - Easy installation and perfect fit.

- 2000 Buick LeSabre Oxygen Sensor
5 of 5
Verified Customer
2/8/15 09:36 AM - USA

The part was of high quality and at a great price. - Lynn

- 1997 Buick LeSabre Oxygen Sensor