A133/80 alternator question

Had a quick search through and couldn't find what I'm after.
Can anyone tell what the 2 small black boxes on the back of the Lucas A133/80 alternator are please. they sit at the bottom of the plastic panel on the back of the unit.
Just brough a brand new unit and these are missing. Not sure if they are suppused to come on the unit or sold seperately. been having problems with the supplier so wondering if they have taken them off or just not been fitted in factory.
Also the spade connector in the middle isn't there.

Supressors I believe.

should be complete at sale.send it back..

Paddocks?

Beast o Bodmin said:

should be complete at sale.send it back..

Paddocks?

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You're a hard man, just bolt the fokers onto the new alternator and its sortid, thats what I do anyway.

How did you guess beast. It was Paddocks. Had a bit of hassle with them.