For the 5 bar (80 PSI) oil pressure gauge, this is what you want.familyman;108841 wroteSenders have been discussed here before. Pretty sure someone provided the correct part number for a replacement. Just have to search back through the threads to find it.
http://www.egauges.com/80-PSI-5-Bar-1-8-27-NPT-10-180-Ohms-7-PSI-WC-p/360-009.htm
@bobby1970 I'm interested in your 240 map pockets. What have you got, colour wise?