I have been looking at this to go in my series 3.
https://www.ebay.co.uk/itm/Land-rover-Defender-LT77-gearbox-with-a-1-410-ratio-LT230-transfer-box/114288158118?hash=item1a9c1ae5a6:g:mY8AAOSw3Ste~zG~
On the second to last picture there is shown a couple of banjo fittings and pipework, presumably...