How do you read footnot in EPC engine number: 992 12/52,22/62 028693
My engine number is 104,992 12 050463
What I don't understand is 12/52,22/62 the numbers marked red I understand.

12/52,22/62 are different versions of the motor. This footnote means the part is for an engine manufactured before or after serial number 028693, up to or from engine 992 12/52,22/62 028693. If it says UP TO you can't use the part, if it says FROM you can.

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Thanks 12/52 means 12 is one version and 52 another.