PENTASOO Glow Plug Bore Reamer, Compatible with 6.6L 3.0L 2.8L Duramax Engines, Glow Plug Reaming Tool, GM-52074 Glow Plug Bore Carbon Remover

【Efficient & Safe Cleaning】The glow plug bore reamer is designed for all models of the Duramax 6.6L, this reamer tool effectively removes carbon and soot buildup from glow plug holes. The hex on GM-52074 is turned with a ratchet to remove any carbon build-up, which remains in the grease on the end of GM-52074 to be removed from the engine.

【Wide Compatibility】The GM-52074 Glow Plug Bore Reamer is compatible with 6.6L/3.0L/2.8L Duramax engines. Replaces part numbers: GM-52074, Kent-Moore EN-52074, OTC-7223. Matches EN-52074’s action for all 6.6 L Duramax engines (2001–present).

【Superior Durability】This EN-52074 glow plug bore reamer is crafted from heat-treated alloy steel, maintaining exceptional hardness and wear resistance even after repeated use. It effortlessly cuts through stubborn deposits without chipping or dulling, making it ideal for professional maintenance or multi-vehicle DIY scenarios.

【Saves Time】Recommends using a small amount of grease on the flutes to collect any carbon that is removed from the bore. Simply turn this tool by hand. No need to use a wrench or socket. Using the glow plug bore reamer enables thorough carbon buildup removal within minutes, significantly boosting repair efficiency.

【Prevent Engine Damage】Proper cleaning is essential to prevent glow plug tip breakage during installation, which can lead to severe engine damage—including harm to the piston, valves, and cylinder head—if debris falls into the combustion chamber.Effectively captures debris with grease-applied flutes, preventing harmful particles from entering the combustion chamber—it’s mandatory to ensure a safe and reliable installation.