Air-box from which Commando?

Hello, could anybody advise me whether this is an air-box from a Mk2A or Mk3 Commando? I'm selling it and don't want to mis-represent it.
Thank you.

They are the same apart from the bracket locations and one hole that is drilled in the side of it on the opposite size to the photo. If need be these holes can be blanked with a grommet.

Reggie said:

Hello, could anybody advise me whether this is an air-box from a Mk2A or Mk3 Commando? I'm selling it and don't want to mis-represent it.

Click to expand...

That's the Mk3 airbox.

Madnorton said:

They are the same apart from the bracket locations and one hole that is drilled in the side of it on the opposite size to the photo. If need be these holes can be blanked with a grommet.

Click to expand...

Agree that it's the same plastic moulding, however the MkIIA box doesn't have the pop-riveted sidepanel bracket on the LHS, but does have an ignition switch/sidepanel bracket bolted to the forward side where the moulded horizontal slot type recess is, and has a pair of captive 'rivnut' inserts fitted.
From previous discussions I think the oil tank breather hole on the right is different too?

I'd thought about modding one for my second MKIIA but decided it was too much hassle.

Here's the MKIIA arrangement:

Too much hassle - have a check of availability and price - these are like hens teeth.

MKIII air box also has the metal tube that connects to the oil separator. Looks like the earlier air box does not have that piece.

Thanks to all who've replied. It's much appreciated.

It's now on an auction site.

http://www.ebay.co.uk/itm/Norton-Comman ... CA:GB:1123

Added to my watch list - I will build my project eventually.