The component with the lowest price in the SPEEDOMETER (MODEL S) schematic is the Bulb(12v3.4w,t10,bf175-01450a).
The most expensive part in this assembly is the Tachometer.
With all the components that make up the GSF600 1995 (S) (E02 E04 E18 E22 E25 E34) SPEEDOMETER (MODEL S) assembly. The Bulb(12v1.7w,wb372,t7) is the most frequently specified with five applications.