Most AM sets are made for specific kits but can be used on other kits. But you may have to do some modifications. Just because kits are the same scale does not mean dimensions will be the same.
Are the AM parts PE or resin. Resin sets tend to completely replace the cockpit, but PE sets often just add to whats there. I just checked Hannants, I am assuming your kit is 48th scale. If your thinking of the Aires resin cockpits, you should be fine. You usually have to thin the plastic even when its the kit the resin set is intended for, so test fitting is vital.
I would check Sprue Brothers if your buying in the US.
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On the bench: Airfix 1/72nd Harrier GR.3/Fujimi 1/72nd Ju 87D-3