JET H1845B Gauge Head, For Use With H1845 Diesel Compression Tester

This adapter along with 1- H1845G valve core (thread size 12-36) can be used to make your required adapter for engine not listed above. Remove internal mechanism from an old injector or glow plug from that engine, drill and tap to accept the quick coupler and valve core. For applications not listed above H1845S - 1/8 in NPT male quick coupler.