This part is not currently available new, use second hand part 621794SH or a very similar bracket RTR8369 which will need the switch mounting hole enlarging. See below.
Revington TR information: Bracket, mounting, dash switch. This bracket has been designed to allow fitment of switches with limited thread length, typically RTR8351 series intermittent wiper kits, onto a wooden or double skinned dash board. The switch is attached... READ MORE