I just ordered some ball joint boots from a 5ktq and they are still available. I hope they will fit on an urQ joints. 431 407 377A, 28 $CDN, not cheap, but new ball joints are 233 $CDN each... Don't forget to order the 2 circlips: 431 407 383A (37mm), 431 407 384A (23mm). Louis-Alain