These are expensive little items. This article on the MG Experience site explains how to fix / refurbish.
information about the MGB and MGB GT classic cars including news and reviews, techs and specs – also updates on repairs, servicing and diy modifications I do on my own MGB Roadster. I am no expert on these cars – just a keen enthusiast – but I hope these posts will be of interest to others with a similar interest
MGB tips mods and maintenance 