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Why This Tire?
Specifications
| Brand | Denso |
|---|---|
| Category | Engine |
| Manufacturer Part # | 234-4399 |
| UPC | 042511114371 |
|---|---|
| Subcategory | Sensors |
| Weight | 0.2 lbs |
Vehicle Compatibility
| Year | Make | Model | Trim |
|---|
Product Description
The Denso Oxygen Sensor 234-4399 is a direct-fit replacement for a range of Toyota and Lexus vehicles, functioning in either upstream or downstream positions. This sensor is essential for the engine's electronic control unit to fine-tune the air-fuel mixture, ensuring efficient combustion and reduced pollutants. Denso is a global leader in automotive components, and their oxygen sensors are known for their precision and reliability. Replacing a failing oxygen sensor can resolve issues like poor fuel economy and rough idling.
Shipping & Returns
Fast Shipping
Standard delivery in 3-7 business days. Expedited options available.
30-Day Returns
Return unused items in original packaging for a full refund.
Questions & Answers
Check your vehicle owner's manual or the tire placard on the driver's side door jamb for the recommended tire size. You can also use our vehicle fitment tool at the top of the page to confirm compatibility. If you're unsure, our support team is happy to help you find the right fit.
We offer a 30-day return policy on unused, unmounted products in their original packaging. Simply contact our support team and we'll provide a prepaid return label. Refunds are processed within 5-7 business days of receiving the returned item. Mounted or used tires are not eligible for return.
We ship directly to your door or to your preferred local tire shop for installation. Most local tire shops offer mounting and balancing for $15-$25 per tire. Just provide your installer's address at checkout and we'll ship right to them.
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