GM Duramax J-44641, J-44642, J-44644 & J-44645 Front & Rear Crankshaft Seal Remover & Installer Tool Set Alt. Shop by Category > Air Conditioning > Adapters & Disconnects>Fittings/Valves ​​Adjustable reamers are designed to

GM Duramax J-44641, J-44642, J-44644 & J-44645 Front & Rear Crankshaft Seal Remover & Installer Tool Set Alt. Shop by Category > Air Conditioning > Adapters & Disconnects>Fittings/Valves ​​Adjustable reamers are designed toGM Duramax J 44641, J 44642, J 44644 & J 44645 Front & Rear Crankshaft Seal Remover & Installer Tool Set Alt. (ST S910) Includes ST 124, ST 125, ST 195, ST 196 ST 124: For 2001 and later GMT800, 2500HD, 3500 with 6. 6 liter Duramax diesel engine. The crankshaft front seal is fitted to both the engine block and crankshaft. Proper alignment of the inner and outer seal bodies is critical to prevent leakage. The ST 124 is designed to install the seal to

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