219521 - Red Knob for Transfer Gearbox Lever Land-Rover Series 1, 2, 2a and 3 £5.50 Quantity: at £5.50 each Add To Basket 4 in stock. Red Knob for Transfer Gearbox Lever Fitted to: Series 1, all models. Series 2/2a, all models. Series 3, 4-cylinder and 6-cylinder models only. Last significant manufacturing operation and quality check carried out by Pegasus Parts.