This is a Heater / Blower Resistor from Febi, part number 47955. It is designed to be used as originally intended and installed by a competent individual. Please ensure the part fits your vehicle before purchase. Cross-references include A.Z. Meisterteile AZMT-45-062-1056, ACK OJ AA38-79-0011, ACR 160427, AHE 420.006, BLUE PRINT ADN11497, CASCO CRS71045AS, CSV electronic parts CRV9157, ELTA AUTOMOTIVE EH1155, and ERA 665191. The product has 4 connectors and weighs 0.03 kg. It is a Febi Plus type resistor for the interior blower.