The 43mm master cylinder adapter is compatible with Benz, for BMW, for AUdi, for Skoda, for FIAT, for Lexus, for Land Rover, for Jaguar, for Porsche, for Buick, for Ford, for chevrolet, for Volvo, for citroen, for Volkswage, for PEUGEOT and for Renault cars. In order to improve the consumer experience, please confirm whether it is suitable for your model before purchasing.The inner diameter is 43mm The 43mm master cylinder bleeder adapter is made from aluminum alloy and has been chrome-plated and anodized, giving it greater corrosion resistance compared to adapters manufactured from plastic The 43mm brake bleeder adapter features a sealing ring for tight seals and no leaks, making it easy to remove and refill fluid in your brake system The 43mm master cylinder adapter is compatible with altivox 3L brake bleeder kit If there are any issues with usage or the quality of the master cylinder adapter, please feel free to contact us through Amazon at any time