This M10-1.25 glow plug adapter enables cylinder pressure diagnostics on 6.6L Duramax engines from 2005 to the present. It connects to a TU-15 test gauge to provide a secure link for diesel compression testing. The adapter is housed in a red vinyl pouch to maintain the integrity of the threads during storage.

This M10-1.25 glow plug adapter enables cylinder pressure diagnostics on 6.6L Duramax engines from 2005 to the present. It connects to a TU-15 test gauge to provide a secure link for diesel compression testing. The adapter is housed in a red vinyl pouch to maintain the integrity of the threads during storage.