[x-type] is it really true brake master cylinder not available?

Just visiting from X300 list…pls help re X type
My friends’ X type estate 2.2 deisel 2007 year on about 50,000
miles has had a brake master cylinder failure. His nearest London
dealer has told him 3 weeks wait for this part to come in.

He’s without his car for ages - can this non stock item really be
Ant 95 3.2 manual (to go) , 94 XJR manual
Kent, United Kingdom
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