Well I have ordered two of these to come in tomorrow...
I tell you what folks grab yourself a spare one of these, I have tried Bursons, Autobarn, Repco, half a dozen auto elecs, wreckers, 4x4 parts suppliers, etc but no one has any in stock.
Could save you one day in the bush!
Narva details below....
Female Plug In with Lock
Part Number = 53365
65 amp