Kia K5 Oxygen Sensors
We found 19 eBay listings for Kia K5 oxygen sensors, covering model years 2021 to 2026.
All Kia oxygen sensor listings by model
Last checked: . Confirm current price and fitment with the seller.
Compare oxygen sensors options for the Kia K5 by part number, specification and seller fitment details. Matching listing titles mention 2021–2026; 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 19 listings for Kia K5 oxygen sensors checked on 6 November 2026, 15 give model years between 2021 and 2026, most often 2021–2024 (7). Positions named in the titles: rear (6), downstream (4), lower (4). Part numbers in more than one title: 392102M425, 39210-2G700, 39210-2M370. Titles are the sellers’ descriptions, not confirmed fitment: match the part number, model year, generation and engine before you buy.
Found 19 listings for "kia k5 oxygen sensors"

2021-2025 KIA K5 FWD 2.5L UPSTREAM DOWNSTREAM O2 OXYGEN SENSOR SET 39210-2S210

Genuine OEM 392102M425 Oxygen Sensor for Kia K5 2021-2024

Genuine/OEM 392102E230 SENSOR ASSY-OXYGEN for Kia K5 (Optima)

Oxygen O2 Sensor for Hyundai Santa Fe Kia K5 Optima Sorento Sportage 39210-2G700

2021-2024 KIA K5 1.6L REAR EMISSION SYSTEM LOWER O2 OXYGEN SENSOR OEM 392102M425

2025 - 2026 KIA K5 2.5L FRONT EMISSION SYSTEM LAMBDA O2 OXYGEN SENSOR OEM

Kia K5 Seltos Sorento Sportage 21-26 Rear Emission O2 Oxygen Sensor 39210-2M425

2021 - 2024 KIA K5 1.6L REAR EMISSION SYSTEM LOWER LAMBDA O2 OXYGEN SENSOR OEM

2021-2024 KIA K5 1.6L REAR EMISSION SYSTEM LOWER O2 OXYGEN SENSOR OEM 392102M425

2021-2025 KIA K5 1.6L L4 ENGINE EXHAUST FRONT UPPER OXYGEN O2 LAMBDA SENSOR OEM

Upstream & downstream Oxygen Sensor For Hyundai Kona Tucson Kia Sorento K5 1.6L

Oxygen O2 Sensor 39210-2G700 for Hyundai Santa Fe Kia K5 Optima Sorento

2021-2026 KIA K5 FWD 2.5L UPSTREAM DOWNSTREAM O2 OXYGEN SENSOR SET 39210-2S100

2025 KIA K5 2.5L FWD ENGINE OXYGEN O2 LAMBDA SENSOR OEM

NEW O2 OXYGEN SENSOR 39210-2M370 FOR 2021-2024 HYUNDAI KONA KIA K5 1.6L

O2 OXYGEN SENSOR FOR 2021-2024 HYUNDAI KONA KIA K5 1.6L 392102M370

2025-2026 KIA K5 2.5L REAR DOWNSTREAM OXYGEN O2 LAMBDA SENSOR PROBE UNIT OEM

NEW Upstream Oxygen Sensor FOR 2021-2024 HYUNDAI Kona KIA K5 1.6L 39210-2M370

2021-2025 KIA K5 1.6L L4 ENGINE EXHAUST REAR LOWER OXYGEN O2 LAMBDA SENSOR OEM
Questions about these listings
Which model years are named in the listings for Kia K5 oxygen sensors?
15 listing titles give model years from 2021 to 2026; 2021–2024 appears most often (7 listings). Check your car’s year against the fitment details in each listing.
Which positions are named in the listings for Kia K5 oxygen sensors?
The titles name rear (6 listings), downstream (4) and lower (4). 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 Kia K5 oxygen sensors?
392102M425, 39210-2G700 and 39210-2M370 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 Kia K5 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 Kia K5 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.