Have a 1966 T120R DU35676 USA import and a 1966 T120 DU28254 both with similar side panels with ignition and light switched but panels have different frame mountings. The USA T120R panel has two small holes on RHS which locate on frame and a LHS bolted bracket and no top fixing while the UK T120 has two top bolted bracket fixings, a LHS bolted bracket and a hole at the bottom which accepts a peg fixing similar to the T120R RHS fixings. Both same year, manufacture in UK but cannot find why the difference or when buying new panel correct part numbers for each side panel?