On the Series 2, 2A & 3 Land Rovers fitted with standard seats as opposed to the'de luxe' seats, there are 4 brackets that secure the seat backs to the seat-base. There are two double ones in the middle for the narrow'third seat' and one either side for the driver & passenger. The ones for the driver and passenger are'handed.
The Part Number for the RH bracket is 331007 or MTC 1715. The Part Number for the Middle bracket is 331006 or MTC 1719. The set on sale now is for the Right Hand Side - Drivers side on Right Hand Drive Vehicle.There is some light surface corrosion on these, but no visible rust holes or rot.