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YANMAR - N21 -PISTON RING SET - 747673-22502

The PISTON RING SET is a critical engine sealing component used in YANMAR marine diesel engines to maintain compression, control lubricating oil consumption, and transfer heat from the piston to the cylinder liner. It ensures efficient combustion, improved engine performance, and reduced wear. Designed for heavy-duty operation, the piston ring set delivers reliable performance in marine propulsion and diesel generator applications.

YANMAR - N21 - PISTON RING SET - 747673-22502
Home Engine Parts Pistons YANMAR - N21 - PISTON RING SET - 747673-22502
Brand
Yanmar
Category
Engine Parts
Subcategory
Pistons
Part Number
747673-22502

Description

MAKE : YANMAR
TYPE : N21 / 6N21 / 8N21

PART NAME : PISTON RING SET
PART NUMBER : 747673-22502

OTHER SPARES :
CYLINDER HEAD, CYLINDER LINER, PISTON, PISTON RING, CONNECTING ROD, CRANKSHAFT, MAIN BEARING, CAMSHAFT, CAMSHAFT GEAR, ROCKER ARM, EXHAUST VALVE, INLET VALVE, FUEL INJECTION PUMP, FUEL INJECTOR, GOVERNOR PARTS, LUBE OIL PUMP, WATER PUMP, AIR COOLER, TURBOCHARGER, GASKET KIT, OVERHAUL KIT, O-RING, SEAL RING, BUSH, BEARING, FASTENERS AND OTHER ENGINE COMPONENTS.

ENGINEX MARINE is a well-known supplier of YANMAR marine diesel engine spare parts, covering models such as N18, N21, M200, M220, Z280, N260, N280, N330, HAL, EY18, EY22, EY26, and EY17.

The PISTON RING SET is manufactured from high-grade alloy cast iron and wear-resistant materials to provide excellent sealing performance and long service life. The set typically includes compression rings and oil control rings designed to maintain proper combustion chamber sealing, regulate lubricating oil distribution, and efficiently transfer heat from the piston to the cylinder liner. Engineered to withstand high combustion pressures, elevated temperatures, continuous vibration, and demanding marine operating conditions, the piston ring set plays a vital role in maintaining engine efficiency, reducing blow-by, minimizing oil consumption, and extending engine life. This component is suitable for YANMAR N21, 6N21, and 8N21 marine propulsion engines and diesel generator sets.

Technical Specifications

  • MAKE : YANMAR
  • TYPE : N21 / 6N21 / 8N21
  • PART NAME : PISTON RING SET
  • PART NUMBER : 747673-22502
  • CATEGORY : Engine Component
  • APPLICATION : YANMAR N21 / 6N21 / 8N21 DIESEL ENGINE
  • FUNCTION : Maintains cylinder compression, controls lubricating oil, and transfers heat from piston to cylinder liner
  • CONDITION : GENUINE / NEW / RECONDITIONED
  • INDUSTRY : MARINE, INDUSTRIAL AND POWER GENERATION

Engine Compatibility

N21 8N21L-SV 8N21L-EV 8N21L-GV 8N21L-DV 8N21AL-SV 8N21AL-GV 8N21AL-EV 8N21AL-DV 8N21L-DN 8N21L-UN 8N21L-SN 8N21L-EN 8N21AL-DN 8N21AL-UN 8N21AL-SN 8N21AL-EN 6N21L-SV 6N21L-EV 6N21L-GV 6N21L-DV 6N21AL-SV 6N21AL-GV 6N21AL-EV 6N21AL-DV 6N21L-DN 6N21L-UN 6N21L-SN 6N21L-EN 6N21AL-DN 6N21AL-UN 6N21AL-SN 6N21AL-EN

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