Air spring sizes

Are they a universal size? Here is the problem. 2002 Disco 2. As it left the factory, nothing added, nothing taken away. Recently changed the front disks and all pads. I went to the parts shop, ordered the parts, gave them the VIN, year; engine size etc. Picked up the parts days later, humped them back home. Wrong size. After a period of dispute I took the old disk to the shop. They say it a RR disk. Anyway they ordered up the bits and they fit. Job done. Now it air springs time. I have got to order them from UK and dont want the same hassle sending them back and forward for weeks ! I am working on the theory that if I have factory fitted RR brakes I have factory fitted RR air springs. Any thoughts appreciated.

Take one wheel off and have a look...the range springs look quite different though there are some of them pretty similar too:doh:

imho the air springs on a D2 are D2 ones

u can select from the links and see how they look then compare Range Rover Air Springs the differences(between the similar ones:5bbanghead are mostly at the bottom fittings

By the way .....be aware that an inflated spring doesnt look like a new one...(its more "podgy")....focus on the fitting points.