Nissan Genuine OEM Skyline RB25DET RB26DETT N1 Oil Pump with Front Cover Seal.
This oil pump assembly is brand new straight from Nissan with the front oil seal pressed in for easy install. When rebuliding your engine, it is vital to replace worn parts from the block and the head. Preferred by most Skyline owners for a higher volume and pressure output than your stock oil pump. The oil pump should be on the list of things to replace when rebuilding an engine for durability and long lasting operation.