Lower Cab Door Hinge Pin Standard 8mm. 50-67. 211-831-421 211831421 £7.00 inc. VAT (where applicable) Quantity: at £7.00 each Add To Basket 0 in your basket View Basket Checkout Split bus cab door hinge pin 50-67 Top quality exact copy of the original part 8mm pin made from mild steel as it should be. Standard size 8mm. Fits upper or lower cab door hinge.