The most reasonably priced component used on the Vz800 1997 (v) (e02 E04 E17 E18 E22 E24 E25 E34) / P37 Speedometer is the Bulb(12v3.4w,t10).
The sub assemblies and components that make up this Speedometer include this Speedometer, the most expensive part.
With a quantity of four pieces, the Bulb(12v1.7w,t6.5) is the most used part in the SPEEDOMETER diagram.
