1. Reliable and stable, rust-proof, optimized fuel economy, and elimination of error codes 2. The oxygen sensor can withstand high temperatures and is - 3. High-quality material, with and meticulous processing technology 4. Oxygen sensors are an important component of fuel and emission systems and can be installed in upstream and downstream sensors. They monitor the amount of oxygen in the exhaust and transmit this information to the engine computer, thereby maintaining higher fuel economy and reducing emissions, etc Part Number:Upstream oxygen sensors: 234-9091, 2349091, 36531-R40-A01 Downstream oxygen sensors: 234-4462, 2344462, 36532-R40-A01 name:O2 Oxygen Sensor Fitment: for Accord LX EX 2.4L 2008-2012 for TSX 2.4L 2011-2013 Colour:As Shown Material:Plastic+Metal Package Contents: 1 x Up stream O2 Oxygen Sensor 1 x Downstream O2 Oxygen Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.