Surface: Galvanically coated. Interchange Part Numbers: 227 PL 21030 000, 227PL21030000, 71-3939, 227 PL 21030 000--MAHLE, 227PL21030000--MAHLE, 79333600--KOLBENSCHMIDT, WG1020082--WILMINK GROUP, WG1020719--WILMINK GROUP, WG1093759--WILMINK GROUP, WG1263372--WILMINK GROUP, WG2178306--WILMINK GROUP, WG2313094--WILMINK GROUP.
