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Look out in the Model column. In most cases, the number without the () will go up to a certain model year (or engine no., etc) and then the number in () will pick up after that model year.
If you want to see a really graphic example, look at the pages for pistons and rings!
I'm also seeing letter codes under Remarks. These codes are also in (). These are explained on the last pages of the PET and are the country codes.
There's actually a ton of good info in the back of the PET, on the V pages. Also a summary of the Option Codes, right before the V pages.
I've seen the model year designation before, so I was good on that. In my case, the PET spans '78->82, so I often see -79 and 80- in the column.
In this case, the MY difference isn't called out so was/am just a bit confused and I can't see where the two hex-head bolts go. And for the record - not worried about it either.
As I opened with....just curious here.
Obviously no big deal here, as we are only talking about the dust shield for the rotors
And good tip on the end pages of the PET...never scrolled to those. Lots of good info.
In this case, the MY difference isn't called out so was/am just a bit confused and I can't see where the two hex-head bolts go.
M6x15 hex heads replaces M8x20 pan heads. They go same holes but part which they thread to has to be obviously different. Picture in PET still shows M8x20 but actual part used in this case is M6x15 hex head. Thats what parenthesis means. Picture is not accurate representation of actual part. Factory didn't bother to make new picture every time something changed. They just added lines to parts list.