Rear Oxygen Sensor 39210-2G550 234-4448 for Hyundai Sonata 8th Gen
Rear Oxygen Sensor 39210-2G550 234-4448 for Hyundai Sonata 8th Gen
Processing time: 2?3 business days. Standard delivery: 7?15 business days. Express delivery: 3?7 business days, where available.
200 in stock
Replacement rear oxygen sensor designed for Hyundai Sonata 8th Generation vehicles using part number 39210-2G550.
This rear O2 sensor, also known as a downstream oxygen sensor, monitors oxygen levels in the exhaust system after the catalytic converter and sends signal data to the engine control unit. A faulty rear oxygen sensor may cause poor fuel economy, increased emissions, rough idle, weak acceleration, or check engine light issues.
Features
- Rear oxygen sensor / downstream O2 sensor
- Helps monitor exhaust oxygen levels after the catalytic converter
- Supports proper emissions control and fuel efficiency
- Suitable for Hyundai Sonata 8th Gen applications
- Replacement for 39210-2G550 and 234-4448
- Helps restore accurate exhaust monitoring and engine performance
- Ideal for replacing faulty, worn, or damaged oxygen sensors
Compatible Vehicles
- Hyundai Sonata 8th Gen
- Hyundai Sonata models using matching part number 39210-2G550
- Other Hyundai / Kia models using the same rear oxygen sensor part number
Replace Part Numbers
- 39210-2G550
- 392102G550
- 39210 2G550
- 234-4448
- 2344448
Package Includes
- 1 × Rear Oxygen Sensor
Fitment Note
Please confirm your original part number, sensor position, connector type, engine size, and vehicle compatibility before ordering. Fitment may vary by year, trim, engine type, and market region.
Product FAQ
Will this Oxygen Sensor fit my vehicle?
This product is intended for vehicles that match the OE part number and application details shown on this page. Please compare your original part with 39210-2G550, 234-4448, and verify the connector, mounting points, and fitment for Hyundai before ordering.
Which part number should I use to confirm compatibility?
Use the OE or replacement part number on your original component first. For this listing, compare against: 39210-2G550, 234-4448. Matching the part number is usually more reliable than matching only the model name or year range.
What symptoms can this part help solve?
A failing Oxygen Sensor may be related to check engine light, poor fuel economy, emissions faults, or oxygen/lambda sensor codes. Always confirm the diagnosis with scan-tool data, fault codes, or a technician inspection before replacing the part.
What should I check before purchase?
Please check the OE number, connector shape, pin count, mounting points, size, and vehicle application. Small differences in plugs, brackets, sensor position, or production year can affect fitment even when the vehicle model looks similar.
Is this a new replacement part?
Yes, this listing is for a new replacement auto part supplied by Staceedress Auto Parts. Keep the original part until installation is complete so you can compare the shape and connector side by side.
Couldn't load pickup availability
Share this product
Questions check here
How long does shipping take?
How long does shipping take?
Processing time: 2?3 business days. Standard delivery: 7?15 business days. Express delivery: 3?7 business days, where available.
Does this part come with protective packaging?
Does this part come with protective packaging?
Yes. Each auto part is packed with protective materials to reduce damage during transit. Please inspect the part before installation and keep the original packaging until fitment is confirmed.
Do you ship internationally?
Do you ship internationally?
Free standard shipping is available on orders over $15. Express shipping is calculated at checkout. International delivery availability and timing may vary by destination.
What payment methods do you accept?
What payment methods do you accept?
We accept a variety of payment methods to make your shopping experience convenient. These include credit cards (Visa, Mastercard, American Express), PayPal, and, in some regions, alternative payment methods such as Apple Pay or Google Pay. Rest assured, your payment information is secure and protected during the checkout process.
