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Oxygen Sensor Walker Products
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Oxygen Sensor - Upstream or Upstream Right (Walker Products) for 2020-2024 Buick, Cadillac, & Chevrolet

$143.87
Save up to 80% vs List Price!

ℹ️ Product Notes

Position: Upstream or Upstream Right (Passenger Side)
B1S1
OE Replacement
Walker Products Engine Management and Oxygen/Air-Fuel sensors have been engineered and developed to be an Original Equipment Manufacturers replacement for many vehicles worldwide. Every part number is manufactured for the specific application, fitment position on the vehicle, and will provide the relevant diagnostic system feedback as required by the ECU.Newer vehicles will store fault codes in the ECU, some will relate to the affected sensor and its associated systems. A failed sensor might make itself known by causing the engine to run poorly, increase fuel consumption, exhaust emissions, or illuminating a (MIL) malfunction indicator light. The sensor, wiring harness, and connector should also be checked for physical damage. This will most likely also cause their operational life to be shortened.We are an Automotive ISO9001/TS 16949 certified company, with un-paralleled customer service, marketing, and shipping. Our electronic and paper catalogs are designed for today’s fast paced marketplace, along with our eye catching packaging. Since 1946, Walker Products has been the number one choice for the engine management sensors and fuel system components needed for your vehicle. © 2024 Walker Products Inc. All rights reserved.
Brand: Walker Products
Condition: New
See All Other Oxygen Sensors
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100% Money-Back Guarantee
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120-Day Returns
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Insurance-Grade Quality

🛡️ Lifetime Warranty Included

This part comes with our industry-leading lifetime warranty. Shop with confidence!

SKU #
AEFD655
  • Position: Upstream or Upstream Right (Passenger Side) Position
  • New Condition
  • Walker Products Quality
  • Easy Installation - No Modifications
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Product Specifications


Detailed specifications and attributes for this part:

Attribute Value
CA Prop65 Nickel Warning: This Product Can Expose You To Chemicals, Including Nickel And Nickel Alloyed Stainless Steel, Which Are Known To The State Of California To Cause Cancer Or Birth Defects Or Other Reproductive Harm. Www.p65warnings.ca.gov
Connector Gender Male
Connector Shape Rectangle
Heated Yes
Mounting Type Threaded
Sensor Type Wide-band
Terminal Gender Male
Terminal Type Spade
Thread Diameter 18.0
Wire Gauge Measurement 20.0
Wire Quantity 5

Vehicle Fitment Guide

This part fits the following vehicles:

Buick 2 models(tapclick to expand)(tapclick to hide)
Encore GX 2020-2024 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Avenir SUV 2024 L3 1.3L Turbo AWD/FWD Automatic & Automatic CVT
Convenience SUV 2020 - 2023 L3 1.3L Turbo FWD Automatic CVT
Essence SUV 2020 - 2023 L3 1.2L Turbo AWD/FWD Automatic & Automatic CVT
Essence SUV 2020 - 2023 L3 1.3L Turbo AWD/FWD Automatic & Automatic CVT
Leather SUV 2020 - 2022 L3 1.3L Turbo FWD Automatic CVT
Preferred SUV 2020 - 2024 L3 1.2L Turbo AWD/FWD Automatic & Automatic CVT
Preferred SUV 2020 - 2024 L3 1.3L Turbo AWD/FWD Automatic & Automatic CVT
Select SUV 2020 - 2023 L3 1.2L Turbo AWD/FWD Automatic & Automatic CVT
Select SUV 2020 - 2023 L3 1.3L Turbo AWD/FWD Automatic & Automatic CVT
Sport Touring SUV 2024 L3 1.3L Turbo AWD/FWD Automatic & Automatic CVT
Sport Touring SUV 2020 - 2024 L3 1.3L Turbo FWD Automatic CVT
Envista 2024 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Avenir SUV 2024 L3 1.2L Turbo FWD Automatic
Avenir Sport Utility Coupe 2024 L3 1.2L Turbo FWD Automatic
Preferred Sport Utility Coupe 2024 L3 1.2L Turbo FWD Automatic
Sport Touring SUV 2024 L3 1.2L Turbo FWD Automatic
Sport Touring Sport Utility Coupe 2024 L3 1.2L Turbo FWD Automatic
Cadillac 1 model(tapclick to expand)(tapclick to hide)
CT5 2022-2024 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
Luxury Sedan 2022 - 2024 L4 2.0L Turbo AWD/RWD Automatic
Premium Luxury Sedan 2022 - 2024 L4 2.0L Turbo AWD/RWD Automatic
Premium Luxury Sedan 2022 - 2024 V6 3.0L Turbo AWD/RWD Automatic
Sport Sedan 2022 - 2024 L4 2.0L Turbo AWD/RWD Automatic
V Sedan 2022 - 2024 V6 3.0L Turbo AWD/RWD Automatic
V Blackwing Sedan 2022 - 2024 V8 6.2L Supercharged RWD Automatic & Manual
Chevrolet 2 models(tapclick to expand)(tapclick to hide)
Trailblazer 2021-2024 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
ACTIV SUV 2021 - 2024 L3 1.3L Turbo AWD/FWD Automatic & Automatic CVT
L SUV 2021 - 2022 L3 1.2L Turbo FWD Automatic CVT
LS SUV 2021 - 2024 L3 1.2L Turbo AWD/FWD Automatic & Automatic CVT
LS SUV 2021 - 2024 L3 1.3L Turbo AWD/FWD Automatic & Automatic CVT
LT SUV 2021 - 2024 L3 1.2L Turbo AWD/FWD Automatic & Automatic CVT
LT SUV 2021 - 2024 L3 1.3L Turbo AWD/FWD Automatic & Automatic CVT
RS SUV 2021 - 2024 L3 1.3L Turbo AWD/FWD Automatic & Automatic CVT
Trax 2024 (tapclick to expand)(tapclick to hide)
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SubmodelSUB-
MODEL		 Body Style Years Engine Attributes
ACTIV SUV 2024 L3 1.2L Turbo FWD Automatic
LS SUV 2024 L3 1.2L Turbo FWD Automatic
LT SUV 2024 L3 1.2L Turbo FWD Automatic
RS SUV 2024 L3 1.2L Turbo FWD Automatic

⚠️ Important: Please verify your vehicle's year, make, model, and specifications before ordering. If you're unsure about fitment, contact our customer service team for assistance.

Policies

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.

More Information


Walker Products Engine Management and Oxygen/Air-Fuel sensors have been engineered and developed to be an Original Equipment Manufacturers replacement for many vehicles worldwide. Every part number is manufactured for the specific application, fitment position on the vehicle, and will provide the relevant diagnostic system feedback as required by the ECU.Newer vehicles will store fault codes in the ECU, some will relate to the affected sensor and its associated systems. A failed sensor might make itself known by causing the engine to run poorly, increase fuel consumption, exhaust emissions, or illuminating a (MIL) malfunction indicator light. The sensor, wiring harness, and connector should also be checked for physical damage. This will most likely also cause their operational life to be shortened.We are an Automotive ISO9001/TS 16949 certified company, with un-paralleled customer service, marketing, and shipping. Our electronic and paper catalogs are designed for today’s fast paced marketplace, along with our eye catching packaging. Since 1946, Walker Products has been the number one choice for the engine management sensors and fuel system components needed for your vehicle. © 2024 Walker Products Inc. All rights reserved.

Fits Years: 2020 2021 2022 2023 2024

Fits Models: CT5, Encore GX, Envista, Trailblazer, Trax

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