All seem to be Bosch one son there.
There is a guy doing a complete recon set for 190 pounds, then send him your old set back for 30 quid refund, may be worth doing that as its only 50 pounds more than the nozzles on their own. LAND ROVER 200 TDI BOSCH INJECTORS SET OF 4 | eBay UK
If you read the thread about recon inj`s. the bloke reckons that the bosch stuff may be made in India and prone to failure
A couple of things I have reaD SAY PRETTY MUCH THE SAME