Fwiw, we do stock OEM tie rod ends @ Cruiser Outfitters and offer OEM tie rod end kits for many applications (7x/8x/10x,etc) however for the 40 Series, we offer it as a complete OEM Toyota linkage kit:
cruiserteq.com
Shows out of stock but I bet we can assembled another complete kit. They include

LHD 4x Series Complete OEM Replacement Steering Linkage Kit - Fits 1968-84 4x Series LHD
Steering Linkage Assemblies for Toyota Land Cruiser Applications

Shows out of stock but I bet we can assembled another complete kit. They include