Gearbox overheat switch

Evening lads and lasses, just purchased a v8 disco2 with the gearbox overheat light illuminated all the time. Where's best place to get the switch (anyone have a part number?) and how much should I be expecting to pay?

I don't know how representative of prices they are, but Island 4x4 say that the switch is about 40 quid plus VAT, etc. From what I can see, the part number you want is UBI100030. That part number might have been superseded, you'll have to check that for yourself but you have somewhere to start from.
As you're probably aware, this particular switch isn't fitted to the gearbox but to the transmission oil cooler.

Thank you very much or the quick reply, Code worked on lrdirect at £46 including vat. I haven't even looked at doing the job to be honest but as you've pointed me in the right direction it'll make my life easier. This weekend I'm going to right a list as there's quite abit that needs fixing but it'll be a labour of love. Cheers again

@BIGdan1742
Here's a picture ...... we likes pictures:-

Bloody loverly, that makes my life very easy. Thanks again Brian, that's very helpful.