Genuine Lucas Smiths Heater Control BHA4278 Rheostat & Reproduction Knob.
As fitted to:
Jaguar XK120 XK140 XK150 & Land Rover Series 1 & 2, Triumph TR2-4, MG, Morris Minor
etc
These are new units not new old stock (NOS) and the shank can only accomodate a dash panel of around 4mm thickness which may preclude some wood dash panels
Many other Smiths heater parts in stock