kweiny Diesel Common Rail 18mm Fuel Injector Cap Block Off Tool
- Main Usage: Identification of faulty diesel fuel injectors and diagnosis of engine cylinder knocking sounds.
- Compatibility: Fit with 2006-2011 6.6L Chevy/GMC Duramax (LBZ & LMM) and for Dodge/Cummins 2007-2017 6.7L, Renault engine system, and other vehicles with a 18mm fuel line nut.
- Working principle: Block the fuel supply to the detected cylinder, and sealed diesel common rail pipe. Make the detected cylinder temporarily stop working.
- Specification: M18x1.5mm internal thread nut.
- Material: Carbon tool steel, surface antirust..