Thanks all.

I have checked them and they are correctly seated. When I installed them I noticed that they are slightly wider than the original ones at 13mm. Do you know what the correct width is?

Bought a set of drive belts the other day for the air con and alternator. Tensioned them up and they are creeping up the sides of the pulleys and the belts are touching. When I loosen them they slip. Has anyone else had this problem?