

🚗 Upgrade your ride’s breathability — because your engine deserves the best!
The Marsflex O2 Oxygen Sensor 234-4668 is a high-quality, durable replacement sensor compatible with a wide range of Chevy, GMC, Cadillac, and other GM vehicles. Engineered to meet or exceed OE specifications, it delivers precise oxygen measurement with a fast 22-second response time and operates reliably in extreme temperatures up to 930°C. This 2-piece set improves engine efficiency, fuel economy, and catalytic converter longevity, backed by a 1-year warranty for dependable performance.




| ASIN | B09DKNQJB7 |
| Are batteries included? | No |
| Best Sellers Rank | #490,196 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #567 in Car Sensors #1,003 in Car Emission & Exhaust Products |
| Brand | Marsflex |
| Colour | Black |
| Current Rating | 0.95 Amps |
| Customer Reviews | 4.0 4.0 out of 5 stars (327) |
| Date First Available | 8 September 2021 |
| Included Components | 1. 2PCS 234-4668 O2 Oxygen Sensor 2. Oxygen Sensor Instruction Manual |
| Item Dimensions LxWxH | 15.5 x 11 x 5.4 Centimeters |
| Item Height | 2.13 Inches |
| Item Weight | 290 g |
| Item Width | 4.33 Inches |
| Item dimensions L x W x H | 15.5 x 11 x 5.4 Centimeters |
| Item model number | APEL14001A |
| Lower Temperature Rating | 150 Degrees Celsius |
| Manufacturer | Marsmotor |
| Material | 234-4668 2PCS |
| Maximum Supply Voltage | 12 Volts |
| Measurement Accuracy | Go & No-go Gauge |
| Measuring Range | λ=0.7- ∞ |
| Model number | APEL14001A |
| Mounting Type | Flange Mount |
| Number of Memory Sticks | 2 |
| Output Type | electrical signal |
| Product Dimensions | 15.49 x 11 x 5.41 cm; 290 g |
| Response Time | 22 Seconds |
| Sensing Distance | 1000 Millimetres |
| Specific Uses For Product | Oxygen Sensor |
| Style | Compatible |
| Upper Temperature Rating | 930 Degrees Celsius |
| Wattage | 12 Watts |
M**T
fit perfect on my 2005 tahoe z71
A**R
Did not work on 2005 Avalanche 5.3 engine. Threw trouble codes: P0161 and P0060.
M**N
works, removed engine light, 2013 tahoe
D**S
Our mechanic said this does fit my 06 Sequoia, but pay attention to the wire length - they are a smidge shorter that the other 3 sensors I purchased from Toyota.
M**N
They were a exact fit right length and worked so far so good
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