The Washer, Plain (646) is the cheapest item from this partsfiche.
A sample from the products for the Alternate (electrical) include: Band, Bulb (t-10 12v 3.4w), Socket Cord Assy, Swich, Side Stand.
The Xt350'88 1988 55v0 Sweden 1855v-300e1 Alternate (electrical) consists of thirteen pieces with the Tachometer Assembly being the most expensive.