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🚗 Upgrade your ride with precision sensing — because every drop of fuel counts!
The Marsflex Air Fuel Ratio O2 Oxygen Sensor 234-9009 is a high-precision upstream sensor compatible with select Toyota and Lexus models (1997-2003). Featuring aerospace-grade stainless steel housing, a high-temp ceramic core, and IP67 laser-sealed protection, it delivers fast 20-second response times and reliable data to optimize your engine’s air-fuel mixture. This sensor supports improved fuel economy by up to 15%, reduces emissions, and offers a robust lifespan of 80,000-100,000 km, all backed by a 12-month warranty.

| ASIN | B09TXXVTDH |
| Best Sellers Rank | #334,519 in Automotive ( See Top 100 in Automotive ) #1,395 in Automotive Replacement Oxygen Sensors |
| Brand Name | Marsflex |
| Current Rating | 9 A |
| Customer Reviews | 4.1 4.1 out of 5 stars (198) |
| Included Components | 1. 234-9009 Oxygen Sensor 2. Oxygen Sensor Instruction Manual |
| Item Dimensions | 5.91 x 2.17 x 2.17 inches |
| Item Weight | 0.13 kg |
| Lower Temperature Rating | 150 °C |
| Manufacturer | Marsmotor |
| Material Type | 234-9009 |
| Maximum Supply Voltage | 12 volts |
| Measurement Accuracy | Go & No-go Gauge |
| Measuring Range | λ=0.6- ∞ |
| Model | APEL14024 |
| Mounting Type | Flange Mount |
| Number of Items | 1 |
| Output Type | Digital |
| Part Number | APEL14024 |
| Response Time | 20 seconds |
| Sensing Distance | 100 centimeters |
| Specific Uses For Product | Oxygen Sensor |
| Style Name | Upstream |
| Upper Temperature Rating | 930 °C |
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