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Komatsu

Valve seat for Komatsu GD511A

P/N 6207-11-1430

This valve seat is designed for the S6D95L-1 engine in Komatsu GD511A, GD511A-1, and GD511A-1 motor grader models. It provides a precise interface for engine valves to ensure proper combustion chamber sealing.

Specifications

Part number
6207-11-1430
Brand
Komatsu

The valve seat 6207-11-1430 serves as the contact surface for the intake and exhaust valves within the engine cylinder head. By creating a hermetic seal when the valves are in the closed position, this component allows the combustion chamber to maintain the pressure required for the engine cycle. It is specifically engineered for the S6D95L-1 engine found in Komatsu GD511A and GD511A-1 motor graders.

Proper seating of the valves is necessary to prevent gas leakage during the compression and power strokes, which ensures that energy is transferred efficiently to the piston. When installed in the cylinder head, the valve seat facilitates heat transfer from the valve head to the cooling system of the engine block. Maintaining the integrity of this interface is standard practice during engine overhauls to support consistent compression levels and prevent premature wear on the valve faces.