Part Number 23632. Genuine Peugeot part 23632. This is a genuine Peugeot Gasket X 1. Peugeot part number 23632 is manufactured to the highest quality by the manufacturer. Genuine Peugeot part 23632 – seal gasket for EGR valve, small intake and exhaust muffler connection, precision fit sealing ring for exhaust gas recirculation and intake manifold junctions.