The product is a Genuine Original OEM fuel distributor for Mercedes-Benz W126 560SL 560SEL 420SEL models from 1981 to 1991. Manufactured in Germany by Bosch, the fuel distributor is designed for gasoline vehicles and bears the OE/OEM part numbers 0438101018 and AR27302930. It is a high-quality part that ensures proper fuel distribution and performance for your Mercedes-Benz vehicle.