Warranty: 1 Year Type: 4-wire heated oxygen sensor upstream Product Fit: Direct Fit Part Numbers: 250-54005, ES10932, SG565, 2132844, 5S3426, 24660 Application Upstream air fuel ratio heated O2 sensor suitable for 2000 2001 2002 Honda Accord 2.3L L-4 Engine Code F23A4 Key benefits - Fast response time for accurate fuel trim and emissions control - Stable performance across engine temperatures due to heated design - Replaces a failed sensor to restore proper air fuel ratio and drive quality - Close to original specifications to maintain drivability and emissions performance - Direct fit ensures straightforward installation and reliable operation Specifications and features - Function: measures oxygen in exhaust to optimize air fuel ratio - Compatibility: 2000-2002 Honda Accord 2.3L L4 Engine Code F23A4 - Upstream position: 4-wire heated sensor for quicker warm-up Use scenarios - Replacing a faulty upstream O2 sensor on a 2000-2002 Honda Accord 2.3L to restore fuel economy and reduce rough idle - Maintenance when emissions readiness or check engine light indicates sensor issue - Fleet or shop maintenance to bring aging Accords back to spec for emissions testing