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YANMAR - N21 -VALVE SEAT EXHAUST - 147674-11090

Exhaust valve seat is a precision-machined seating component designed to provide a durable sealing surface for the exhaust valve. It ensures tight sealing during the combustion cycle, efficient exhaust gas flow, and long-term valve train reliability.

It is used in YANMAR N21, 6N21, and 8N21 marine diesel engines, supporting stable combustion performance in marine, industrial, and power generation applications.

YANMAR - N21 - VALVE SEAT EXHAUST - 147674-11090
Home Engine Parts Valve YANMAR - N21 - VALVE SEAT EXHAUST - 147674-11090
Brand
Yanmar
Category
Engine Parts
Subcategory
Valve
Part Number
147674-11090

Description

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

PART NAME : VALVE SEAT EXHAUST

PART NUMBER : 147674-11090

OTHER SPARES :
YANMAR engine spare parts include piston, piston ring set, cylinder liner, cylinder head, connecting rod, crankshaft, fuel injection pump, fuel injector, nozzle, oil pump, gasket kit, bearings, valve set, oil seal, washer, studs, turbocharger components, air cooler parts, cooling system elements, filters, and sealing components.

ENGINEX MARINE is a trusted supplier of YANMAR marine diesel engine spare parts covering models such as N18, N21, 6N21, 8N21, M200, M220, Z280, N260, N280, N330, HAL, EY18, EY22, EY26, and EY17. This exhaust valve seat is engineered to provide a hardened and precisely machined contact surface for the exhaust valve, ensuring perfect sealing under high combustion temperatures and pressures. Manufactured from wear-resistant alloy materials, it offers excellent resistance to thermal fatigue, erosion, and valve impact loads. The component helps maintain efficient exhaust gas flow, stable engine performance, and extended valve life in marine propulsion engines, auxiliary engines, and power generation systems.

Technical Specifications

  • MAKE : YANMAR
  • TYPE : N21 / 6N21 / 8N21
  • PART NAME : VALVE SEAT EXHAUST
  • PART NUMBER : 147674-11090
  • CATEGORY : Valve Train Component
  • APPLICATION : YANMAR N21 / 6N21 / 8N21 DIESEL ENGINE
  • FUNCTION : Provides a sealing surface for the exhaust valve to ensure proper combustion sealing and gas flow control
  • 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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