4G regulator with specifications: 12 Volt, 14.6 Volt Set Pomit, A-Circuit, I-D-A Terminals, Black Housing, 6 Second LRC. CAN ONLY BE USED WITH RECTIFIER THAT HAS THE METAL B+ TANG. Replaces FORD VP4L2U-10C359-AA. Reference 8050-516B. Used in Lester 8477.