Seibu? Actually 七代雅阁 seventh generation Accord front oxygen sensor 36531-RCA-A02 234-5010 universal replacement.

Seventh-generation Accord front oxygen sensor 36531-RCA-A02 (compatible with 234-5010); mounted near the exhaust manifold on 2.0L and 2.4L models; monitors oxygen content and feeds ECU to adjust air-fuel ratio for efficient combustion and compliant emissions. Installation difficulty: medium; approx 0.5-1 hour; avoid damaging threads during removal/installation. If idle unstable, higher fuel consumption, weak acceleration, or check engine light on, sensor aging is indicated.