CYLINDER HEAD COVER WITH ROCKER COVER GASKET and OIL CAP The cylinder head cover, also called the rocker cover or valve cover, is an essential part of the internal combustion engine. It is a cover fixed on the upper part of the cylinder head CITROËN/PEUGEOT: 9HS (DV6TED4BU), 9HT (DV6BUTED4), 9HU (DV6UTED4), 9HX (DV6ATED4), 9HX (DV6AUTED4), 9HY (DV6TED4), 9HV (DV6TED4B), 9HZ (DV6TED4) Ford : G8DA, G8DB, G8DC, G8DD, G8DE, G8DF, GPDA, GPDB, GPDC, HHDA, HHDB, HHJA, HHJB, HHJC, HHJD, HHJE, HHJF, MTDA, UBJA Ford : 1254229, 1313806, 1479837, 3M5Q-6K271-AA, 3M5Q-6K271-AB, 3M5Q-6K271-AC, 3M5Q6K271AA, 3M5Q6K271AB, 3M5Q6K271AC MAZDA: A Y601-10-210B, Y601-10-210A, Y601-10-210B, Y60110210, Y60110210A, Y60110210B MINI: 11 121 7 804 877, 11 121 8 000 000, 111217804877, 111218000000 207 Pickup truck/three.