Yanmar YANMAR - N21 -VALVE SEAT EXHAUST - 147673-11090
The YANMAR exhaust valve seat 147673-11090 is a precision-machined cylinder head component designed to provide a durable sealing surface for the exhaust valve. It ensures proper combustion chamber sealing, efficient heat transfer, and reliable exhaust valve operation.
Designed for YANMAR N21, 6N21, and 8N21 diesel engines, this exhaust valve seat offers exceptional wear resistance, high-temperature durability, and long service life in demanding marine and industrial applications.
Brand
Yanmar
Category
Engine Parts
Subcategory
Valve
Part Number
147673-11090
Description
MAKE : YANMAR
TYPE : N21 / 6N21 / 8N21
PART NAME : VALVE SEAT EXHAUST
PART NUMBER : 147673-11090
OTHER SPARES :
Cylinder Liner, Piston, Piston Ring, Piston Pin, Connecting Rod, Cylinder Head, Exhaust Valve, Intake Valve, Valve Guide, Valve Spring, Valve Rotator, Cylinder Head Gasket, Fuel Injection Pump, Fuel Injector, Injector Nozzle, Turbocharger, Bearings, Gaskets, Seals, Filters.
ENGINEX MARINE is a well-known supplier of YANMAR marine diesel engine spare parts, covering models such as N18, N21, 6N21, 8N21, M200, M220, Z280, M260, N280, N330, HAL, EY18, EY22, EY26, and EY17.
The exhaust valve seat is a critical cylinder head component that provides the seating surface for the exhaust valve. It ensures a gas-tight seal during the combustion cycle while facilitating efficient heat transfer from the exhaust valve to the cylinder head. Manufactured from high-grade heat-resistant alloy material, the valve seat is designed to withstand extreme combustion temperatures, exhaust gas erosion, repeated impact loading, and continuous engine operation. Proper valve seat performance is essential for maintaining engine compression, combustion efficiency, and overall engine reliability in marine propulsion engines, auxiliary engines, and power generation systems.
TYPE : N21 / 6N21 / 8N21
PART NAME : VALVE SEAT EXHAUST
PART NUMBER : 147673-11090
OTHER SPARES :
Cylinder Liner, Piston, Piston Ring, Piston Pin, Connecting Rod, Cylinder Head, Exhaust Valve, Intake Valve, Valve Guide, Valve Spring, Valve Rotator, Cylinder Head Gasket, Fuel Injection Pump, Fuel Injector, Injector Nozzle, Turbocharger, Bearings, Gaskets, Seals, Filters.
ENGINEX MARINE is a well-known supplier of YANMAR marine diesel engine spare parts, covering models such as N18, N21, 6N21, 8N21, M200, M220, Z280, M260, N280, N330, HAL, EY18, EY22, EY26, and EY17.
The exhaust valve seat is a critical cylinder head component that provides the seating surface for the exhaust valve. It ensures a gas-tight seal during the combustion cycle while facilitating efficient heat transfer from the exhaust valve to the cylinder head. Manufactured from high-grade heat-resistant alloy material, the valve seat is designed to withstand extreme combustion temperatures, exhaust gas erosion, repeated impact loading, and continuous engine operation. Proper valve seat performance is essential for maintaining engine compression, combustion efficiency, and overall engine reliability 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 : 147673-11090
- CATEGORY : Cylinder Head / Valve Train Component
- APPLICATION : YANMAR N21 / 6N21 / 8N21 DIESEL ENGINE
- FUNCTION : Provides a sealing surface for the exhaust valve and transfers heat to the cylinder head
- CONDITION : GENUINE / NEW / USED / RECONDITIONED
- INDUSTRY : MARINE, INDUSTRIAL AND POWER GENERATION
