• Downstream Oxygen Sensor Fits Hyundai Sonata Kia Optima 2.0L 2.4L 2011-2015
  •  
  • Fit for: 
  • Hyundai
  • Sonata
  • 2.0l L4 Turbocharged 2011 2012 2013 2014
  • 2.4l L4 2011 2012 2013
  •  
  • Kia
  • Optima
  • 2.0l L4 Turbocharged 2011 2012 2013 2014 2015
  • 2.4l L4 2011 2012 2013
  •  
  • Specifications: 
  • OE Numbers: 
  • 234-4448 392102G550
  • Product Material: Stainless Steel
  • Color: Black, Silver
  • Installation Position: Downstream
  • Functions: 
  • The Downstream oxygen sensor is mainly used to Detect Whether the Three-way Catalytic Converter Works Normally.
  • 1-10PC Downstream O2 Oxygen Sensor for Hyundai Sonata Kia Optima 2.0L 2.4L 11-15

    Downstream Oxygen Sensor Fits Hyundai Sonata Kia Optima 2.0L 2.4L 2011-2015

     

    Fit for: 

    Hyundai

    Sonata

    2.0l L4 Turbocharged 2011 2012 2013 2014

    2.4l L4 2011 2012 2013

     

    Kia

    Optima

    2.0l L4 Turbocharged 2011 2012 2013 2014 2015

    2.4l L4 2011 2012 2013

     

    Specifications: 

    OE Numbers: 

    234-4448 392102G550

    Product Material: Stainless Steel

    Color: Black, Silver

    Installation Position: Downstream

    Functions: 

    The Downstream oxygen sensor is mainly used to Detect Whether the Three-way Catalytic Converter Works Normally.

    Packaging Weight: 128 g

    Packaging Sizes (cm): 16 x 11 x 5

     

    Features: 

    *Corrosion-Resistant Build

    Stainless steel construction withstands exhaust heat and chemicals for long-term reliability.

    *Efficient Contaminant Blocking

    PTFE filter stops efficiency-robbing contaminants ( like soot, silicone, and grime ) from damaging the sensing element, which keeps the accuracy of the sensor and extends its lifespan.

    *Faster Response Time

    Precision zirconia element detects air-fuel changes instantly for smoother idle, sharper acceleration, and precise fuel control.

    *Optimized Engine Performance

    Maximizes fuel efficiency, reduces harmful emissions, and ensures smog test compliance.

    *Perfect Fit

    Built to strict quality control standards and with 100% factory-tested to ensure stable performance. Direct replacement, just install and drive.

     

    Packaging Include: 

    Oxygen Sensor 1-10PCS (AS YOUR SELECT)


    Item Specifics
    Number of Sensors 1-10PCS AS YOUR SELECT
    Other Part Number 234-4448 392102G550
    Number of Pieces 1-10PCS AS YOUR SELECT
    Fitment Type Direct Replacement
    Manufacturer Part Number 234-4448 392102G550
    Superseded Part Number 234-4448 392102G550
    Brand AUXITO
    Interchange Part Number 392102G550 18046,234-4448, O2 Oxygen Sensor
    Sensor Type Oxygen Sensor
    Manufacturer Warranty 3 Years
    OE/OEM Part Number 234-4448
    Surface Finish Stainless steel
    Country/Region of Manufacture China
    Placement on Vehicle Downstream
    Terminal Type Blade
    Features Easy Installation
    Placement on Vehicle After Catalytic Converter
    Material Stainless Steel
    Universal Fitment No
    Items Included Oxygen Sensor
    Color Black, Silver
    TO FIT 1 Fit Hyundai Sonata 2.0l 2.4l L4 Turbocharged 2011
    TO FIT 2 Fit Hyundai Sonata 2.0l 2.4l L4 Turbocharged 2012
    TO FIT 3 Fit Hyundai Sonata 2.0l 2.4l L4 Turbocharged 2013
    TO FIT 4 Fit Hyundai Sonata 2.0l L4 Turbocharged 2014
    TO FIT 5 Fit Kia Optima 2.0l 2.4l L4 Turbocharged 2011
    TO FIT 6 Fit Kia Optima 2.0l 2.4l L4 Turbocharged 2012
    TO FIT 7 Fit Kia Optima 2.0l 2.4l L4 Turbocharged 2013
    TO FIT 8 Fit Kia Optima 2.0l L4 Turbocharged 2014
    TO FIT 9 Fit Kia Optima 2.0l L4 Turbocharged 2015

    Payment

    (1). We gladly accepts payment via PayPal, We will ship your item(s) within 24 hours.

    (2). We ship this item to US only via USPS first class mail. It usually takes 3-6 working days to deliver.

    (3). Before payment,Please keep the consistency of Paypal address and ebay address.

    (4). Quantity orders are welcome!

    Shipping

    (1) All items will be shipped in 24 hours after receiving your payment .

    (2) We ship this item to US only via USPS first class mail. It usually takes 3-6 working days to deliver.

    Returns

    (1). We offer 30 days return policy. Please contact us within 30 days t from the date you receive your order if you have any issues with the product or want return .Refund will be send after we got your resend package.

    (2). All returned items should be in the original packaging , return tracking information should be provided ..

    (3). Buyer is responsible for return shipping cost due to the problem not caused by item quality itself .

    Contact Us

    (1).Negative feedback will not help resolve any problems you have, please contact us via eBay messages before leaving negative feedback, our customer service will make best effort to help you with the issues.

    (2).We maintain high standards of excellenceand  strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately Before you give us neutral  or negative  feedback, so that we can satisfactorily address your concerns.

    FAQ

    Q1: Will this bulb fit my vehicle?
    A: We can match almost any vehicle to one of our bulb sizes. eBay only lets us include partial vehicle fitments per listing, but if your vehicle does not show up on the compatibility table at the top of our listings, welcome you to contact us for free consulation before purchasing a product.
     
    Q2: My item has not arrived, what's taking so long?
    A: Sometimes items take longer than expected, especially if it’s going far or to rural area. Check with your post office to see if your item has been held up. Sometimes USPS will not update a tracking number until it has arrived at its destination. If your item still has not arrived after a few days, let us know so we can double check for you and help solve it asap.
     
    Q3: Do I need to mention the Year, Make and Model in the notes when place order?
    A: YES. Please include the Year, Make, and Model in the notes section during checkout to ensure you receive everything needed for your kit!
     
    Q4: My bulbs won't fit, help!
    A: Special bulb holder may be required. See if you can take the holder from the stock bulb. If not, let us know.
    The bulb size may be wrong, double check the item you received with the item you ordered.
    Do you have an aftermarket lighting housing? These may not be perfectly fitted for aftermarket bulbs and will require some manual modifications.
     
    Q5: Neither side lighting up? Both sides flicker, flash, or work inconsistantly.
    A:Check the headlight fuses, and then check the ballast plugs to insure correct installation. If this doesn't work, there may be a voltage problem with the vehicle. You probably just need a relay or capacitor.
     
    Q6: WARNING ABOUT POLARITY
    Unlike halogen bulbs, LED are polarity sensitive.
    BEFORE you start your LED kit installation, verify the polarity on your vehicle by simply plugging the LED bulb into your vehicle socket.
    - if your light turns on, please proceed to install both bulbs onto your vehicle.
    - if your light DOES NOT turn on, disconnect the bulb and flip the socket in order to reverse the polarity (this will not damage your vehicle electrical system in any way). Once you made sure the LED bulb turns on, please proceed to install both bulbs onto your vehicle.
    Note: There is no convention when it comes to polarity. Different car manufactures have different polarity setup, even within the car model the polarity setup on your low beams and high beams might be different.

    Picture
    1-10PC Downstream O2 Oxygen Sensor for Hyundai Sonata Kia Optima 2.0L 2.4L 11-15

    Downstream Oxygen Sensor Fits Hyundai Sonata Kia Optima 2.0L 2.4L 2011-2015

     

    Fit for: 

    Hyundai

    Sonata

    2.0l L4 Turbocharged 2011 2012 2013 2014

    2.4l L4 2011 2012 2013

     

    Kia

    Optima

    2.0l L4 Turbocharged 2011 2012 2013 2014 2015

    2.4l L4 2011 2012 2013

     

    Specifications: 

    OE Numbers: 

    234-4448 392102G550

    Product Material: Stainless Steel

    Color: Black, Silver

    Installation Position: Downstream

    Functions: 

    The Downstream oxygen sensor is mainly used to Detect Whether the Three-way Catalytic Converter Works Normally.

    Packaging Weight: 128 g

    Packaging Sizes (cm): 16 x 11 x 5

     

    Features: 

    *Corrosion-Resistant Build

    Stainless steel construction withstands exhaust heat and chemicals for long-term reliability.

    *Efficient Contaminant Blocking

    PTFE filter stops efficiency-robbing contaminants ( like soot, silicone, and grime ) from damaging the sensing element, which keeps the accuracy of the sensor and extends its lifespan.

    *Faster Response Time

    Precision zirconia element detects air-fuel changes instantly for smoother idle, sharper acceleration, and precise fuel control.

    *Optimized Engine Performance

    Maximizes fuel efficiency, reduces harmful emissions, and ensures smog test compliance.

    *Perfect Fit

    Built to strict quality control standards and with 100% factory-tested to ensure stable performance. Direct replacement, just install and drive.

     

    Packaging Include: 

    Oxygen Sensor 1-10PCS (AS YOUR SELECT)

    Item Specifics
    Number of Sensors :1-10PCS AS YOUR SELECT
    Other Part Number :234-4448 392102G550
    Number of Pieces :1-10PCS AS YOUR SELECT
    Fitment Type :Direct Replacement
    Manufacturer Part Number :234-4448 392102G550
    Superseded Part Number :234-4448 392102G550
    Brand :AUXITO
    Interchange Part Number :392102G550 18046,234-4448, O2 Oxygen Sensor
    Sensor Type :Oxygen Sensor
    Manufacturer Warranty :3 Years
    OE/OEM Part Number :234-4448
    Surface Finish :Stainless steel
    Country/Region of Manufacture :China
    Placement on Vehicle :Downstream
    Terminal Type :Blade
    Features :Easy Installation
    Placement on Vehicle :After Catalytic Converter
    Material :Stainless Steel
    Universal Fitment :No
    Items Included :Oxygen Sensor
    Color :Black, Silver
    TO FIT 1 :Fit Hyundai Sonata 2.0l 2.4l L4 Turbocharged 2011
    TO FIT 2 :Fit Hyundai Sonata 2.0l 2.4l L4 Turbocharged 2012
    TO FIT 3 :Fit Hyundai Sonata 2.0l 2.4l L4 Turbocharged 2013
    TO FIT 4 :Fit Hyundai Sonata 2.0l L4 Turbocharged 2014
    TO FIT 5 :Fit Kia Optima 2.0l 2.4l L4 Turbocharged 2011
    TO FIT 6 :Fit Kia Optima 2.0l 2.4l L4 Turbocharged 2012
    TO FIT 7 :Fit Kia Optima 2.0l 2.4l L4 Turbocharged 2013
    TO FIT 8 :Fit Kia Optima 2.0l L4 Turbocharged 2014
    TO FIT 9 :Fit Kia Optima 2.0l L4 Turbocharged 2015


    (1). We gladly accepts payment via PayPal, We will ship your item(s) within 24 hours.

    (2). We ship this item to US only via USPS first class mail. It usually takes 3-6 working days to deliver.

    (3). Before payment,Please keep the consistency of Paypal address and ebay address.

    (4). Quantity orders are welcome!

    (1) All items will be shipped in 24 hours after receiving your payment .

    (2) We ship this item to US only via USPS first class mail. It usually takes 3-6 working days to deliver.

    (1). We offer 30 days return policy. Please contact us within 30 days t from the date you receive your order if you have any issues with the product or want return .Refund will be send after we got your resend package.

    (2). All returned items should be in the original packaging , return tracking information should be provided ..

    (3). Buyer is responsible for return shipping cost due to the problem not caused by item quality itself .

    (1).Negative feedback will not help resolve any problems you have, please contact us via eBay messages before leaving negative feedback, our customer service will make best effort to help you with the issues.

    (2).We maintain high standards of excellenceand  strive for 100% customer satisfaction! Feedback is very important to us. We request that you contact us immediately Before you give us neutral  or negative  feedback, so that we can satisfactorily address your concerns.

    Q1: Will this bulb fit my vehicle?
    A: We can match almost any vehicle to one of our bulb sizes. eBay only lets us include partial vehicle fitments per listing, but if your vehicle does not show up on the compatibility table at the top of our listings, welcome you to contact us for free consulation before purchasing a product.
     
    Q2: My item has not arrived, what's taking so long?
    A: Sometimes items take longer than expected, especially if it’s going far or to rural area. Check with your post office to see if your item has been held up. Sometimes USPS will not update a tracking number until it has arrived at its destination. If your item still has not arrived after a few days, let us know so we can double check for you and help solve it asap.
     
    Q3: Do I need to mention the Year, Make and Model in the notes when place order?
    A: YES. Please include the Year, Make, and Model in the notes section during checkout to ensure you receive everything needed for your kit!
     
    Q4: My bulbs won't fit, help!
    A: Special bulb holder may be required. See if you can take the holder from the stock bulb. If not, let us know.
    The bulb size may be wrong, double check the item you received with the item you ordered.
    Do you have an aftermarket lighting housing? These may not be perfectly fitted for aftermarket bulbs and will require some manual modifications.
     
    Q5: Neither side lighting up? Both sides flicker, flash, or work inconsistantly.
    A:Check the headlight fuses, and then check the ballast plugs to insure correct installation. If this doesn't work, there may be a voltage problem with the vehicle. You probably just need a relay or capacitor.
     
    Q6: WARNING ABOUT POLARITY
    Unlike halogen bulbs, LED are polarity sensitive.
    BEFORE you start your LED kit installation, verify the polarity on your vehicle by simply plugging the LED bulb into your vehicle socket.
    - if your light turns on, please proceed to install both bulbs onto your vehicle.
    - if your light DOES NOT turn on, disconnect the bulb and flip the socket in order to reverse the polarity (this will not damage your vehicle electrical system in any way). Once you made sure the LED bulb turns on, please proceed to install both bulbs onto your vehicle.
    Note: There is no convention when it comes to polarity. Different car manufactures have different polarity setup, even within the car model the polarity setup on your low beams and high beams might be different.


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    On Apr 5, 2026 at 03:31:09 PDT, seller added the following information:

    Datacaciques