Buick Encore GX Oxygen Sensors
We found 12 eBay listings for Buick Encore GX oxygen sensors, covering model years 2020 to 2025.
All Buick oxygen sensor listings by model
Last checked: . Confirm current price and fitment with the seller.
Compare oxygen sensors options for the Buick Encore GX by part number, specification and seller fitment details. Matching listing titles mention 2020–2025; this is seller-described coverage, not confirmed fitment. Check the exact generation, engine and required specification before choosing a listing.
What the listings say: Of the 12 listings for Buick Encore GX oxygen sensors checked on 8 November 2026, 12 give model years between 2020 and 2025, most often 2020–2022 (4). Positions named in the titles: downstream (5). Part numbers in more than one title: 250241188, 250-241188. Titles are the sellers’ descriptions, not confirmed fitment: match the part number, model year, generation and engine before you buy.
Found 12 listings for "buick encore gx oxygen sensors"
A-Premium Upstream O2 Oxygen Sensor for Buick Encore GX 20-22 Chevy Trailblazer
Up/Downstream Oxygen O2 Sensor 250241188 For 2023-2023 Buick Encore GX L3 1.2L R
Up/Downstream Oxygen Sensor For 2020-2022 Buick Encore GX L3 1.2L 250241188 EXR
2PC/SET For 2020-2022 Buick Encore GX L3 1.2L Oxygen O2 Sensor 250-241188 Silver
2020-2025 BUICK ENCORE GX 1.3L GAS EXHAUST UPPER LAMBDA OXYGEN O2 SENSOR OEM
2020 - 2024 BUICK ENCORE GX 1.3L OXYGEN O2 LAMBDA SENSOR OEM -SET OF 2-
Buick Encore GX Oxygen O2 Sensor Downstream 1.3 2020 2021 2022 2023
Buick Encore GX Oxygen O2 Sensor Downstream 1.3 2022 2023 2024 2025
2020-2022 BUICK ENCORE GX 1.3L EXHAUST SYSTEM LOWER HEATED OXYGEN O2 SENSOR OEM
Up+Down Oxygen Sensor 250-241188 For Buick Encore GX 2020-2023 L3 1.2L 4 Pins EV
2PC For 2023-2023 Buick Encore GX L3 1.2L O2 Oxygen Sensor Upstream + Downstream
For 2020-22 2023 Buick Encore GX L3 1.2L Upper&Lower Oxygen Sensor 250241188 EK
Questions about these listings
Which model years are named in the listings for Buick Encore GX oxygen sensors?
12 listing titles give model years from 2020 to 2025; 2020–2022 appears most often (4 listings). Check your car’s year against the fitment details in each listing.
Which positions are named in the listings for Buick Encore GX oxygen sensors?
The titles name downstream (5 listings). Order for the position on your car, as stated in the title or the seller’s fitment details.
Which part numbers appear in more than one listing for Buick Encore GX oxygen sensors?
250241188 and 250-241188 appear in more than one title. Compare the number on your old part with the listing before you buy.
How do I check fitment before buying Buick Encore GX oxygen sensors?
Find which sensor has failed. Upstream sensors sit before the catalytic converter and control fuelling; downstream sensors sit after it and monitor the converter. A fault code that names the bank and sensor number identifies the position. Some engines use a wideband (air-fuel ratio) sensor upstream. It is not interchangeable with an ordinary oxygen sensor, so match the type as well as the position.
Check compatibility before buying
These listings were found using Buick Encore GX oxygen sensors search terms. A search match does not establish fitment. Compare the part number, vehicle year, generation and engine with the seller's compatibility details. Confirm delivery, returns and the final price on eBay before ordering.
Match the oxygen sensor to its exact position
Reference: NTK guide to oxygen (lambda) sensor types. Use the catalogue’s correct regional application.