crankcase ventilation.
B4204T27. FC 21; CH -3471, FC 25; CH -3471, FC 36; CH -979734. CH -179066. FC 25; CH -107773, FC 35; CH -107773. FC 21; CH -822427, FC 25; CH -822427. Variant code: CF0A or CF0B or CF13 or CF14. Variant code: CB03. Variant code: CB01. Variant code: CA01 and CB01 and C502. Variant code: C502. FC 25; CH -260257, FC 35; CH -260257. FC 25; CH -169406, FC 35; CH -169406, FC 70; CH -165938. FC 21; CH -485542, FC 22; CH -761885, FC 25; CH -761885. B4204T29. B4204T28, B4204T35. B4204T28. B4204T34. B4204T35.