Door Lock Interior Pull Knob 1968 only. 111-837-187B 111837187B £5.00 inc. VAT (where applicable) Quantity: at £5.00 each Add To Basket Cab door pull knob. This is the knob that you pull up and push down to lock and unlock the cab doors from the inside. Correct for 1968 only Baywindow. Perfect reproduction manufactured in Germany.