







⚙️ Upgrade your ride’s brain with precision sensing — because every drop of fuel counts!
The Denso 234-9051 Air/Fuel Ratio Sensor is a high-performance replacement part designed for select Toyota and Lexus models (2005-2013). Featuring a fast-response planar zirconia element and tarnish-proof platinum electrodes, it accurately measures air/fuel ratios from 12:1 to 19:1, ensuring optimal engine efficiency and emissions control. With a durable stainless steel build and a convenient 4-wire harness, this sensor guarantees reliable, long-lasting performance and easy installation.

| Brand | Denso |
| Item dimensions L x W x H | 5.75 x 2.19 x 1.88 inches |
| Material | Stainless Steel, Zirconium |
| Item Weight | 4 ounces |
| Style | Replacement Part |
| Maximum Supply Voltage | 12 Volts (DC) |
| Measuring Range | 0.9 - 1.1 |
| Mounting Type | Flange Mount |
| Output Type | electrical |
| Specific Uses For Product | Replacement Air/Fuel Ratio Sensor |
| Upper Temperature Rating | 600 Degrees Celsius |
| UPC | 042511112889 |
| Global Trade Identification Number | 00042511112889 |
| Manufacturer | Denso |
| Model | Oxygen Sensor |
| Product Dimensions | 5.75 x 2.19 x 1.88 inches |
| Item model number | 234-9051 |
| Is Discontinued By Manufacturer | No |
| Exterior | Machined |
| Manufacturer Part Number | 234-9051 |
| OEM Part Number | 15-988 Bosch, 89467-0C010 Toyota/Lexus, NAPA 234-9051 |
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