YANMAR – N21 – BY-PASS VALVE ASS'Y, AIR COOLER – 746683-49390MAKE: YANMARTYPE: N21, 6N21, 8N21PART NAME: BY-PASS VALVE ASS'Y, AIR COOLER PART NUMBER: 746683-49390Other Spares: Cylinder liner, Piston, Connecting rods, Fuel pumps, CR BEARINGS, MAIN BEARINGS etc.We at ABABIL MARINE can Provide New Overhauling spares for YANMAR Engines, N21, N18, N260, N330, N280, S165L, S185L, HAL, AYM, EY22, EY18, EY26, EY18.