2Pcs Upstream and Downstream Oxygen O2 Sensor for 2001-2005 Civic L4-1.7L CNG OE#234-4092,234-4123 Item Description ?Fitment?:2001 2002 2003 2004 2005 Civic L4-1.5L CNG ?Reference Part Number?: 234-4092,234-4123,13363, ES20058, 24546, SG614, 24243, SG581, ES20063, 2344123, 2344092.Upstream position with 234-4092 and Downstream position 234-4123 ?High-Quality and Easy to install?:Our Oxygen Sensor are made of high-quality material that is environmentally friendly and harmless. They are easy to install.Using a new oxygen sensor can reduce fuel consumption and enhance vehicle driving stability. ?Function?: The high-precision sensor effectively monitors emissions, enhances fuel efficiency, and reduces emissions, ensuring a safe driving experience. ?Notes?:Six-month warranty.Confirm your OE numbers and vehicle model before purchasing to ensure compatibility.Perfect fit with OEM specifications, allowing for straightforward installation without modifications. ? See more product details *Confirm your OE numbers and vehicle model before purchasing to ensure compatibility. Real-time monitoring of oxygen levels to ensure optimal engine combustion efficiency. Made from durable materials that withstand extreme conditions for long-lasting performance. Perfect fit with OEM specifications, allowing for straightforward installation without modifications Payment We accept payment only through PAYPAL Shipping We ship products worldwide through standard express courier service, it will reach within 7 to 10 days to abroad buyers, we ship the product after recieved clear payment and give full information about shipment to the buyer Return We accept product return 25 days from delivery date but product should be in original condition.