823 412 047 is the cap on the strut housing, coupel inches in dia. about $10 at the dealer DGraber460@aol.com wrote: > one. Does anyone know of a source for the strut retaining top cap nut? > Thanks for the idea. and have you checked out the rear suspension thoroughly too? -- Huw Powell http://www.thebook.com/human-speakers 82 Audi Coupe; 85 Coupe GT http://www.nh.ultranet.com/~human