This TRW JBJ740 Ball Joint is a high-quality suspension component designed for the front axle, lower position, fitting on both sides of the vehicle. It features a 21mm cone size and M14x1.5 thread size. Compatible with various FORD models including Focus II, Focus C-Max, and C-MAX, as well as VOLVO models such as V50, C30, S40 II, and C70 II Cabrio. The part is a suspension ball joint, also known as a suspension arm ball joint or ball joint in suspension. Original/OEM reference numbers include 1470387, 1679388, 3M513K209BA, and ME4M5J3395AA.