Sliding Track Nylon Block, Right Side 68-79. 211-843-368 211843368 £7.50 inc. VAT (where applicable) Quantity: at £7.50 each Add To Basket 0 in your basket View Basket Checkout This is the nylon guide block on the rear sliding door hinge on all bay windows 68-79. Top quality product. They are always worn and when they allow sideways movement the wheel jams. Fits LHD Right side. Also fits RHD aslong as the sliding door is on the right side.