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🚗 Upgrade your drive with precision sensing—because your Sonata deserves the best!
The QIJIAUTO Downstream Heated O2 Sensor 234-4448 is a premium aftermarket replacement designed specifically for Hyundai Sonata 2011 and Kia Optima 2011-2014. Featuring a durable dual-layer zirconia ceramic sensor housed in a corrosion-resistant stainless steel body, it delivers accurate air-to-fuel ratio data to optimize engine performance and fuel efficiency. With a plug-and-play factory-style connector and pre-coated threads, installation is straightforward, making it an ideal choice for restoring your vehicle’s smooth idle and responsive acceleration.














| ASIN | B09WHRKVRP |
| Best Sellers Rank | #570,784 in Automotive ( See Top 100 in Automotive ) #2,894 in Automotive Replacement Oxygen Sensors |
| Brand | QIJIAUTO |
| Brand Name | QIJIAUTO |
| Customer Reviews | 4.0 out of 5 stars 74 Reviews |
| Item Dimensions | 5.71 x 2.56 x 1.77 inches |
| Item dimensions L x W x H | 5.71 x 2.56 x 1.77 inches |
| Manufacturer | QIJIAUTO |
| Material | Metal |
| Material Type | Metal |
| Measuring Range | 0-20% or 1-10V |
| Model | 234-4448 |
| Mounting Type | Flange Mount |
| Output Type | Analog voltage signal |
| Part Number | 115900-5434-1459536161 |
| Specific Uses For Product | Oxygen Sensor |
| Style | 234-4448 |
| Style Name | 234-4448 |
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