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⚡ Upgrade your ride’s brain with precision oxygen sensing!
The A-Premium O2 Oxygen Sensor is a 2-piece upstream sensor set designed for select Lexus and Toyota V8 engines (2.7L to 5.7L). Featuring a 4-wire heated stainless steel sensor with threaded mounting, it delivers high-accuracy real-time oxygen monitoring to optimize engine air-fuel mixture. Compatible with multiple models from 1995 to 2005, it comes with a one-year unlimited mileage warranty, ensuring durable performance and easy installation.






| Brand | A-Premium |
| Material | Stainless Steel |
| Item Weight | 0.27 Kilograms |
| Style | Box |
| Measurement Accuracy | High |
| Mounting Type | Threaded Mount |
| 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 | 9.6 ounces |
| Package Dimensions | 6.3 x 4.53 x 2.64 inches |
| Item model number | ES20194-11B1 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | OS138C |
| OEM Part Number | 250-24169, 2344138, ES20194, ES20194-11B1, 8946550120, 8946560150 |
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