@West Slope Rover... I would have responded earlier but I had a really busy day and the nice and sun-like temperatures in NE Texas today kind of wore me out. To answer your question, I've found quite a few items from the UK much cheaper than the US. And that includes shipping. I've had to...

I have a USA version Disco I, and I have a cousin in the UK to get parts for me. However there are some small differences in how the engines are numbered. For instance, here mine has a 4.0L V-8, but I'm not sure which it is by UK standards. 2.0, 3.9, ??? Certain sensors are named...