This is the Mitsubishi Version of the 14241 Hitachi Double Serpentine Pulley (S-10G) Alternator. With Pulleys Attached, the 14241 and 14720 Will Fully Interchange. Previous CPC Catalogs Used This Number For Both the Hitachi and Mitsubishi Versions. The Single Serpentine Version (S-4G) is the 14242 (Hitachi) and the 14243 (Mitsubishi).