Lang GM 6.6l Duramax Diesel Fuel System Test Kit. Includes all adapters necessary to test at either the fuel pump or the fuel filter on Ford Power Stroke engines 1994 to present. Used with TU-443, TU-469, TU-540, TU-550, TU-32-2, TU32-3.
Lang GM 6.6l Duramax Diesel Fuel System Test Kit is made for diesel fuel pressure and vacuum testing on GM 6.6L Duramax engines. Lang GM 6.6l Duramax Diesel Fuel System Test Kit features a gauge assembly with 6 foot hose and quick coupler 3 1/2” gauge reads 30 inHg to 15 PSI.