Seat Adjusting Knob, Black 65-71 Beetle & 63-> Bus. 111-881-251CBK 111881251CBK Was £7.00 - Now £6.30! Quantity: at £6.30 each Add To Basket Drivers seat adjuster knob fits all Splitscreen 63-67 Black. SEAT ADJUSTMENT RELEASE KNOB, black, fits 1965-1971 Beetles. Excellent quality product, exact copy of the original part from Wolfsburg West.