Throttle body Throttle body for Alfa Romeo Fiat Opel SAAB 55186521 5828246. Suitable for the following vehicles: Opel Astra Signum Vectra. Please compare the part numbers! Throttle body Throttle body for Alfa Romeo Fiat Opel SAAB 55186521 5828246 throttle body Magneti Marelli original parts 48DPC4 Suitable for the following vehicles Alfa Romeo 159 Fiat Croma Opel Astra Signum Vectra SAAB 9-3 9-5 Please compare the part numbers! 55186521, 55196350, 55199971, 5828246, 93179062, 825310.