ZZ Diesel Glow Plug Reamer Tool

For 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025 GM 6.6L Duramax LB7 LLY LBZ LMM LML L5P

Clean up any carbon buildup in the glow plug hole to insure safe and proper installation of glow plug.