Welcome to the LandyZone. Someone will most likely come along with some help. Meanwhile let me tout the great benefits of the search function here. I typed in "P38 air suspension collapsing" and this link shows the results...
Atlantic British or Rovers North. Here in the States they are your best friends. I use Atlantic British for most things, but Rovers North has the obscure little stuff, like swivel pin shims and such.
I love the fact you have embraced my fellow Merkin. LZ rules.
Mr. Martin most likely has the answer, I think.
Isn't it amazing how new and different noises affect Landy owners?
I have to replace the bonnet on the Green Beast and the replacement bonnet is from a prior model year with different electrical connectors and crappy wire so I want to swap the the both washer jet assemblies. How the hell do they come out without breaking the plastic bits??