









🚗 Upgrade your Lexus IQ with precision oxygen sensing — because every ride deserves peak performance!
The A-Premium O2 Oxygen Sensor 2-piece set is a direct-fit, heated 4-wire sensor designed for Lexus LS430 and SC430 V8 4.3L engines (2001-2006). Built with durable stainless steel and threaded mounts, it delivers high-accuracy real-time oxygen monitoring to optimize engine air-fuel ratios. Easy to install without special tools, it comes with a one-year unlimited mileage warranty, ensuring reliable performance and peace of mind on every drive.









| Brand | A-Premium |
| Material | Stainless Steel |
| Item Weight | 0.33 Kilograms |
| Style | 2Pc For Downstream |
| Maximum Supply Voltage | 12 Volts (DC) |
| Measurement Accuracy | High |
| Measuring Range | 0-25% |
| Mounting Type | Threaded |
| Output Type | Analog |
| Specific Uses For Product | Real-time monitoring of oxygen content to help the ECU realize closed-loop control of air-fuel ratio |
| Manufacturer | PremiumpartsWhosale |
| Item Weight | 11.6 ounces |
| Package Dimensions | 6.02 x 4.49 x 2.36 inches |
| Item model number | 89465-50140 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | APOS0239 |
| OEM Part Number | 250-24483, 234-4167, 350-34406, 89465-50140 |
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