This Sub-Zero ice-maker arm is a factory certified part suitable for the 648PRO and BI series. It is compatible with various Sub-Zero ice-makers and comes with a 6-month manufacturer warranty. The arm ice-maker is designed for built-in or integrated installation and is powered by electricity. The set includes the arm ice-maker and it is made by Sub-Zero, a trusted brand in the industry. The model number is 7011189 and it is made in the United States. This ice-maker arm is perfect for those who want to upgrade their Sub-Zero ice-maker or replace a damaged part. NOTE: Fits serial number F4441039 BI - 42SD/0