The Bosch SP0F000011 is an Oil Pressure Sender. It is for use with electrical oil pressure gauges and has 1/8" NPT threads and 1/4" NPT thread adapter. Order Metric Adapter Kit SP0F000009 when adapting to metric threads. Bosch is known for precision, engineering, and innovation. Add style and you have the first-ever line of Bosch gauges, including replacement tachometers, speedometers, temperature and pressure gauges for all applications. Bosch Branded Gauges represent the latest in design following our 100+ year history of Automotive, Industrial, and Racing products.