General Motors J-26999-30 Compression Test Adapter Alt. Shop By Category > Engine > Tools>Glow Plug Tools 6L – 1996–2004

6L – 1996–2004

Tillman carries the broadest inventory of high-quality Everblast nozzles & inserts oline

5 Liter OHC engines 1993 and newer

and the oil pressure gauge from GM-21867-A is then connected to GM-21867-6

General Motors J-26999-30 Compression Test Adapter Alt. Shop By Category > Engine > Tools>Glow Plug Tools 6L – 1996–2004General Motors J 26999 30 Compression Test Adapter Alt. (1722 L, AM J 26999 30) The General Motors J 26999 30 Compression Test Adapter is a specialty tool for performing cylinder compression tests on various GM diesel engines. This high quality aftermarket adapter features 10mm 1. 00 threads for testing at the glow plug port and a 1 4 NPT fitting for connecting to compression test gauges. Applications: GM 4. 3L, 5. 7L, 6. 2L, and 6. 5L Turbo Diesel