MBU414 BULB. Leyland Lucas headlight bulb.
This bulb is for QM Cab tractor headlamps fitted from 1976 up until the introduction of Harvest Gold tractors.
Also fitted to Nuffield 342, 460, 10/42 and 10/60 slimline headlamps.
2 pin double filament
See item 17 in the illustration.
Alternative part numbers: GLB414, 27H4728
Fitted to tractors: