the 2.5n/a & TD engines use the same power steering pump mounting ERC8974 upto june 1992 from that date it changed to ERC8854 & is a common part on the 2.5n/a & TD & Defender 200Tdi engines, the Discovery 200Tdi uses ERR1115 which probably won't be any good. the attached parts page shows the engine mounted parts so you can add PAS to your vehicle, the pipes/hose assemblies will have to be soucred to suit as there are many variations depending on which pump & steering box is
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