Bosch accessories complement our Mechanical and Electrical gauges which follow our 100+ year history of Automotive, Industrial, and Racing products.  

Four brass bushings for adapting electrical oil pressure and temperature gauges and mechanical oil pressure, boost gauges/senders (except mechanical temperature gauges) to metric thread engines.

*Caution: Electrical Temperature Gauges are only compatible with the M14 x 1.5 to 1/8" NPT and the M16 x 1.5 to 1/8" NPT

Included are:

• M10 x 1.0 to 1/8" NPT - Electrical & Mechanical Pressure and Boost gauges
• M12 x 1.0 to 1/8" NPT - Electrical & Mechanical Pressure and Boost gauges
• M12 x 1.75 to 1/8" NPT - Electrical & Mechanical Pressure and Boost gauges
• M14 x 1.5 to 1/8" NPT - Electrical Pressure & Temperature, Mechanical Pressure & Boost gauges
• M16 x 1.5 to 1/8" NPT - Electrical Pressure & Temperature, Mechanical Pressure & Boost gauges