This Hella Light Bulb is a H4 type with a voltage of 12V and rated power of 60/55W. It features a P43t bulb socket type and is designed for long life. It is compatible with a wide range of vehicles from VW, AUDI, MERCEDES-BENZ, OPEL, BMW, FORD, RENAULT, SKODA, and FIAT. Key OE numbers include N0177632, N0177632Z, N0177636, N0177642, N0177643, N0177643Z, and 63121354619. This bulb is suitable for headlight applications. It is a direct replacement for part numbers such as N0177632, N0177632Z, N0177636, N0177642, N0177643, N0177643Z, 63121354619, 63122165687, 621630, 621655, 621679, 621680, 621699, 14152090, 71741900, 7905527031, 9406216998, 1013818, 1066802, 1536494, 3898059, 5013586, 5016713, 6137990, 980X13009AA, ELB472SUP, 90013538, 000000000374, 0005449094, 072601012803, 3501288012, A0005449094, A3501288012, N000000000374, N072601012803, 2098352, 7703097171, H4LongLife, 1212742, 1212851, 273581, 963187, 000998200, 191045143A, and Z045157S.