Valve Guide: 1. It is Cummins 6CT engine valve guide 2, It is used with 6CT engine valve 3. OEM NO.: 3925863 Valve GuideRemarks ... :1) We manage in auto engine valve, piston, piston ... , belt tensioner, water pump, lubricating oil pump, engine valve seat, engine valve oil seal, engine valve guide, fuel transfer pump, and so on ...