Lucas 54C Brake Light Switch - Triumph Pre Unit Rigid + BSA Plunger Frame Models
New production Lucas pull type tail lamp stop switch that operates using a sliding bar and spring mechanism.
Complete assembly with two terminals, sliding bar and internal spring.
As fitted to various models including: Triumph pre unit 3T, 5T, T100 and 6T.
Plunger frame BSA Bantam, C10, C11, B31, B33, M20, M21, A7 and A10.
AJS, Matchless, Norton, Ariel, Royal Enfield, Sunbeam, Vincent models circa 1950-57.
All used on some British cars including Land Rover Series models.
Body width: 1+3/8" (35.1mm)
Body height: 1+1/4" (32.2mm)
Fixing hole centres: 2" (51.5mm)
OEM: 54C, 31281B, 315725, 19-1106