About camshaft

[bryandeluca03]

Hi, in my car there was a camshaft with the acronym AC, while when I bought another one they gave me one with the acronym AB, checking it it seems to me that only the attachment for the depressor changes, but I'm not sure if the timing it's different by a few millimetres, could anyone tell me if it changes anything or not? (1.4 Tdci engine code f6jb)

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