[Vehicle Fitment]: "Upstream & Downstream (B1S1 & B1S2)": Compatible with Honda Civic 1997-2000 L4 1.6L (Automatic/Automatic CVT Transmission), Civic del Sol 1997 L4 1.6L (Automatic Transmission) --- Not fit for Manual Transmission [Reference Number]: 36531-P06-A12, 36531P06A12, 36531-P06-A11, 36531P06A11, 36531-P2R-A01, 36531P2RA01, 250-24099, 234-4099, 25024099, 2344099 [Specification]: ① Wire Quantity: 4; ② Overall Length: 425 mm; ③ Mounting Type: Threaded; ④ Sensor Type: Heated; ⑤ Connector Gender: Male; ⑥ Package Quantity: 2x Oxygen Sensor; ⑦ Packaging Type: Box [Quality Construction]: Manufactured from premium materials for a long lifespan; Quick and easy installation, requiring no special tools [Buy with Confidence]: A-Premium offers a one-year unlimited-mileage guarantee on our meticulously crafted O2 Oxygen Sensor. We offer a wide variety of automotive accessory categories, ensuring that you can hit the road with peace of mind