Alignment plates for positioning the camshaft in 30 degree TDC position. M275, M285 ("A" is used for cylinder left bank, and "B" & "C" is used for right bank) | M137 ("B" & "C" loosen / tighten camshaft sprocket mounting screws and adjust the timing.

OEM Equivalents & Engine Codes:

• TT1375: Mercedes 137589014000
• TT1376: Mercedes 285589004000
• TT1377: Mercedes 137589004000
• M137.970 | M275.950 | M275.953 | M275.980 | M275.982 | M275.951 | M275.954 | M275.981 | M285.950 |M285.980