Q: Will this unit work in 1956 S110 with a4gauge cluster( 6volt) with a12v to 6V convertor?
A: No, this will not work.
Q: Will this oil pressure sending unit fit my 1955 R120 with the 220 motor
A: If it is 1/8" NPT.
Q: Do you have an oil pressure sending unit for a 5288 ih tractor (engine oil)? I need to make sure I get the right one
A: No