Pierścień synchronizatora automatycznej skrzyni biegów

Pierścień synchronizatora (półbiegów) ZF AS TRONIC 12 AS 2001 BO, 12 AS 2301, 12 AS 2301 IT, 12 AS 2301 IT ASF, 12 AS 2331 TD, 12 AS 2530 SO, 12 AS 2530 SO W, 12 AS 2530 TO, 12 AS 2530 WO, 12 AS 2535