E205650060 Engine Valve Seat Heat Resistant DAIHATSU Valve Intake Seat High

Product Specification

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:

1. Extended Service Life – Demonstrated 50% longer lifespan than conventional seats in marine applications, reducing dry-dock maintenance requirements.

2. Optimized Marine Design – Features include:

   • Precision CNC-machined 45° sealing surface

   • Micro-groove oil retention pattern

   • Corrosion-resistant alloy composition

3. 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.

• Equipped with advanced testing machinery for material analysis and heat treatment verification.
• Dedicated engineering and QC teams ensure every product meets your exact specifications and performance requirements.

• Custom solutions available based on your samples or technical drawings.
• Trial orders (small quantities accepted) to facilitate smooth collaboration and build long-term partnerships.