... used with 6CT engine valve 3. OEM NO.: 3925863 Valve GuideRemarks:1) We manage in auto engine valve, piston, piston ring, piston pin, cylinder liner, ... tensioner, water pump, lubricating oil pump, engine valve seat, engine valve oil seal, engine valve guide, fuel transfer pump, and so on. ... HEADMAIN BEARINGENGINE PISTONENGINE VALVECYLINDER LINERGASKET Cummins 6CT8.3 Engine Valve Guide 3925863