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Valve Seat | E205650060 |
Material | High chromium alloy |
Brand | DAIHATSU |
Engine | DK20 |
Fuel | Oil |
Engineered specifically for Daihatsu DK20 marine engines, this OEM intake valve seat delivers exceptional durability and sealing performance in saltwater operating conditions. The precision-machined component ensures optimal combustion efficiency while resisting the corrosive effects of marine environments.
Marine-Grade Material Technology:
The valve seat utilizes a specialized copper-iron composite alloy with enhanced corrosion protection properties, providing:
Superior resistance to saltwater exposure
Excellent thermal conductivity (30% better than standard materials)
Long-term dimensional stability
Protection against salt-induced degradation
Performance Advantages:
Extended Service Life – Demonstrated 50% longer lifespan than conventional seats in marine applications, reducing dry-dock maintenance requirements.
Optimized Marine Design – Features include:
Precision CNC-machined 45° sealing surface
Micro-groove oil retention pattern
Corrosion-resistant alloy composition
Thermal Management – The material's balanced properties ensure:
Stable valve clearances during temperature fluctuations
Effective heat transfer from valves
Resistance to thermal deformation
Technical Specifications:
Material: High chromium alloy
Hardness: 38-42 HRC
Temperature Range: -20°C to 450°C
Surface Finish: 0.6μm Ra precision finish
Concentricity: 99.5% minimum
Marine-Specific Applications:
Commercial fishing vessel engines
Coastal patrol boat power systems
Marine auxiliary generators
Small craft propulsion systems
Workboat diesel engines
Verified Performance Benefits:
40% reduction in valve recession
Improved fuel efficiency (3-5% gains)
Elimination of salt-induced corrosion
35% longer maintenance intervals
Consistent performance in humid conditions
This Daihatsu DK20 intake valve seat features marine-specific engineering including special anti-corrosion treatment and optimized heat transfer properties. The precision manufacturing ensures perfect OEM compatibility while the advanced material composition provides enhanced durability for professional marine applications.
The seat's unique design characteristics make it particularly effective for vessels operating in:
High-humidity environments
Saltwater conditions
Continuous duty cycles
Variable load operations
With its combination of corrosion resistance, thermal stability, and precision sealing surfaces, this intake valve seat delivers reliable performance that marine operators can depend on throughout extended service intervals. The optimized design maintains proper valve alignment and combustion efficiency even in demanding marine operating conditions.
With over 30 years of expertise in automotive parts export, we specialize in manufacturing high-precision, high-performance components for global markets. Our products meet stringent quality standards and are trusted by clients worldwide.