ALL Male and Female Threads , are TOYOTA JIS Pipe Taper .....
i have only ever seen
1 single TOYOTA Vehicle anything platform engine Mechanical and or Idiot Light Oil Pressure Sending
unit
MALE Device Side Pipe Taper Threads , and that particular TOYOTA Engines
FEMALE Oil Galley Threads also
- i have also , reproduce coutless DIESEL Land Cruiser Engine Wire No.4 's in my land cruiser life time that have a unique 2 Sender Sensor Buddy-System of sorts , 1 bell sensor , 1 smaller Idiot light sender
- all have the same threads as my SOLID BRASS , Nickel Alloy Plated kit above ...
does this better help your questions above ?
let me know ?
thanks matt 
.