BP01-12-205A was made by Unitta/SUN. BP02-12-205 was made by Tsubakimoto. Both OE #s go to BPY1-12-205. - From Chassis # BF2***-37 1963 BP01-12-205A was made by Unitta/SUN. BP02-12-205 was made by Tsubakimoto. Both OE #s go to BPY1-12-205. - Long-life Version Kia has superseded the std duty belt #MBP01-12-205B to this heavy-duty long-life belt. WORLDPAC still offers the less expensive Mazda belt # BPY1 -12-205 as a suitable replacement for the long-life belt. But if the Mazda std. duty one is installed, instead of the KK350-12-305 long-life belt, the technician should advise the vehicle owner that the original recommended re placement interval should not be exceeded. -