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🚗 Tune your ride like a pro — don’t let your Accord miss out!
The Marsflex Air Fuel Ratio O2 Oxygen Sensor 234-9040 is a high-quality upstream sensor designed specifically for 2003-2007 Honda Accord L4 2.4L models. Engineered to meet or exceed OE specifications, it offers fast 18-second response time, withstands temperatures up to 930°C, and ensures precise air-fuel mixture monitoring. This sensor enhances engine performance, boosts fuel efficiency, and prolongs catalytic converter life, all with easy plug-and-play installation and a 1-year warranty for dependable use.














| ASIN | B0B1ZR6KNZ |
| Best Sellers Rank | #505,840 in Automotive ( See Top 100 in Automotive ) #2,483 in Automotive Replacement Oxygen Sensors |
| Brand Name | Marsflex |
| Current Rating | 6 A |
| Customer Reviews | 4.3 4.3 out of 5 stars (146) |
| Included Components | 1. 234-9040 Oxygen Sensor 2. Oxygen Sensor Instruction Manual |
| Item Dimensions | 5.91 x 2.17 x 2.17 inches |
| Item Highlight | Fit for Honda Accord,2003,2004,2005,2006,2007, EX,EX-L,LX,DX,SE,L4 2.4L,Replacement 36531-RAA-A02,36531RAAA02,1Pc |
| Lower Temperature Rating | 150 °C |
| Manufacturer | Marsmotor |
| Material Type | 234-9040 |
| Maximum Supply Voltage | 20 volts |
| Measurement Accuracy | Go & No-go Gauge |
| Measuring Range | λ=0.6- ∞ |
| Model | 234-9040 |
| Mounting Type | Flange Mount |
| Number of Items | 1 |
| Number of Packs | 1 |
| Output Type | Analog |
| Part Number | APEL14057 |
| Response Time | 18 seconds |
| Sensing Distance | 100 centimeters |
| Specific Uses For Product | Oxygen Sensor |
| Style Name | Upstream |
| Upper Temperature Rating | 930 °C |
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