Oil pressure sender from side of engine, sends the signal to the oil pressure guage, MX-5 1.6 early (1989-1993) but can be fitted to all models 1989-2005.
Note that this is the early 'proper' type sender that gives an accurate reading, not the later 'yes/no' type.
New price from Mazda £58.13 +VAT
UM00154.