Carburetor start (Otter) solenoid switch. This unit is a Singal Spade
This is a automatic choke solenoid. The unit opens at 33 - 37C and closes at 25 -29C
Fits:
Mk I / Mk 1
Mk IX / Mk 9
Mk II / Mk 2 - 2.4 / 240
Mk II / Mk 2 - 3.4 / 3.8 / 340
Mk X / Mk 10 - 3.8 / 4.2
S-Type - 3.4 / 3.8
420 Saloon
XK120 – OTS / FHC / DHC
XK140 – OTS / FHC / DHC
XK150 - XK150-S – OTS / FHC / DHC
XJ6 - S1