Door centralization engine Right -back Compatible for Seat Skoda Volkswagen (see compatibility table) 1 x door centralization engine Designates the number of pins or wires present on the electrical outlet. For vehicles with right direction (RHD) For vehicles with steering on the left (LHD) Polo IV has three volumes Seat: 3B4 839 016 AG, 3B4 839 016 AN, 3B4 839 016 K, 3B4839016AG, 3B4839016an, 3B4839016K Skoda: 3B4 839 016 AG, 3B4 839 016 AN, 3B4 839 016 K, 3B4839016AG, 3B4839016an, 3B4839016K VW: 3B4 839 016 AG, 3B4 839 016 AN, 3B4 839 016 K, 3B4839016AG, 3B4839016an, 3B4839016K, 6y0 839 016 A, 6y0839016a 1781 CCM, 132 kW, 180 PS 1781 CCM, 110 kW, 150 PS 1896 CCM, 118 kW, 160 PS Polo IV has three volumes Polo IV has three volumes Polo IV has three volumes Polo IV has three volumes Polo IV.