Yanmar YANMAR - N21 -SEAT UPPER - 139653-14410
The YANMAR N21 SEAT UPPER (139653-14410) is a precision-engineered support component used within the valve train assembly to provide proper seating and positioning of associated valve mechanism parts. It helps maintain alignment, distribute operating loads, and ensure stable engine operation.
Suitable for YANMAR N21 / 6N21 / 8N21 marine diesel engines, this upper seat contributes to reliable valve train performance, reduced component wear, and long service life in demanding marine environments.
Brand
Yanmar
Category
Engine Parts
Subcategory
Other Ship Machineries
Part Number
139653-14410
Description
MAKE : YANMAR
TYPE : N21 / 6N21 / 8N21
PART NAME : SEAT UPPER
PART NUMBER : 139653-14410
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 NY16, N18, N21, M200, M220, T220, T240, T260, N165, S165, S185, Z280, N260, N280, N330, HAL, EY18, EY22, EY26, and EY17.
Manufactured from high-strength hardened alloy steel, this upper seat is designed to provide stable support and accurate positioning within the valve train assembly. It withstands continuous cyclic loading, vibration, mechanical stress, and elevated operating temperatures, ensuring durability and dependable engine performance in marine applications.
TYPE : N21 / 6N21 / 8N21
PART NAME : SEAT UPPER
PART NUMBER : 139653-14410
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 NY16, N18, N21, M200, M220, T220, T240, T260, N165, S165, S185, Z280, N260, N280, N330, HAL, EY18, EY22, EY26, and EY17.
Manufactured from high-strength hardened alloy steel, this upper seat is designed to provide stable support and accurate positioning within the valve train assembly. It withstands continuous cyclic loading, vibration, mechanical stress, and elevated operating temperatures, ensuring durability and dependable engine performance in marine applications.
Technical Specifications
- MAKE : YANMAR
- TYPE : N21 / 6N21 / 8N21
- PART NAME : SEAT UPPER
- PART NUMBER : 139653-14410
- CATEGORY : VALVE TRAIN SUPPORT COMPONENT
- APPLICATION : YANMAR N21 / 6N21 / 8N21 DIESEL ENGINE
- FUNCTION : PROVIDES SUPPORT, POSITIONING, AND LOAD DISTRIBUTION FOR VALVE TRAIN COMPONENTS
- MATERIAL : HARDENED ALLOY STEEL
- CONDITION : GENUINE / NEW / OEM EQUIVALENT
- INDUSTRY : MARINE, INDUSTRIAL AND POWER GENERATION
