Packaging Details | Normal |
Delivery Time | 30-90 days |
Payment Terms | T/T,L/C |
Supply Ability | 500000 valve guide per month |
Material | High chromium alloy |
Usage | Engine Component |
Durability | Long-lasting |
Compatibility | Caterpillar 3406 Engine |
Size | Standard |
Precision | Accurate |
Function | Valve seat |
Heat Resistance | High |
Corrosion Resistance | Excellent |
Quantity | 100 pieces per box |
Brand Name | Caterpillar |
Model Number | 3406 |
Certification | ISO,IATF |
Place of Origin | China |
View Detail Information
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Product Specification
Packaging Details | Normal | Delivery Time | 30-90 days |
Payment Terms | T/T,L/C | Supply Ability | 500000 valve guide per month |
Material | High chromium alloy | Usage | Engine Component |
Durability | Long-lasting | Compatibility | Caterpillar 3406 Engine |
Size | Standard | Precision | Accurate |
Function | Valve seat | Heat Resistance | High |
Corrosion Resistance | Excellent | Quantity | 100 pieces per box |
Brand Name | Caterpillar | Model Number | 3406 |
Certification | ISO,IATF | Place of Origin | China |
High Light | 4N5893 Valve Seat Inserts ,1W5283 Valve Seat Inserts ,4N5893 intake valve seat |
3406 Set:
---Valve guide oem:1737188
---Intake valve seat oem:4N5893
---Exhaust valve seat oem:1W5283
Valve Seaat | 4N5893/1W5283 |
Material | High chromium alloy |
Brand | Caterpillar |
Engine | 3406 |
Fuel | Oil |
Engineered to meet the exacting standards of Caterpillar's 3406 engine platform, these OEM-specified valve seats (#4N5893 intake / #1W5283 exhaust) deliver uncompromising durability and sealing performance in the most demanding operating conditions. These critical components form the foundation for proper valve operation, ensuring optimal combustion efficiency throughout extended service intervals.
Material Innovation for Extreme Applications
The exhaust valve seat (1W5283) utilizes a proprietary high-nickel chromium alloy engineered to withstand continuous exposure to 850°C (1562°F) exhaust gases while resisting thermal fatigue and oxidation. The intake seat (4N5893) features a copper-impregnated iron matrix that combines excellent thermal conductivity with superior machinability, promoting both heat dissipation and precise surface finish.
Performance-Enhancing Features:
Extended Component Life - Advanced metallurgy reduces valve recession by up to 45% compared to conventional seats, particularly valuable in high-hour industrial applications where downtime is costly.
Optimized Heat Management - The exhaust seat's multi-layer alloy construction creates a thermal barrier that:
Reduces heat transfer to cylinder heads
Minimizes thermal distortion
Maintains critical sealing surfaces under extreme temperatures
Precision Machined Surfaces - CNC-finished to 0.5-0.8μm Ra surface roughness ensures:
Perfect 360° valve contact
Consistent compression retention
Reduced blow-by across all operating conditions
Technical Specifications:
Exhaust Seat Material: Ni-Cr-Mo-Ti alloy matrix
Intake Seat Material: Cu-Fe composite with beryllium enhancement
Hardness: 48-52 HRC (exhaust), 38-42 HRC (intake)
Temperature Range: -40°C to 900°C (exhaust)
Concentricity: 99.6% minimum
Ideal for Severe-Service Applications:
Over-the-road trucking (long-haul applications)
Marine and offshore power systems
Mining and quarry equipment
Industrial power generation
Heavy construction machinery
Documented Field Performance:
Operators consistently report:
• 30-35% longer valve service life
• 4-6% improved fuel efficiency through better sealing
• Reduced cylinder head temperatures in turbocharged applications
• Lower maintenance costs through extended overhaul intervals
These Caterpillar 3406 valve seats represent the ideal fusion of materials science and precision engineering. Available in standard configurations with options for oversized repairs or performance enhancements, they deliver OEM-quality performance with the durability demanded by today's severe-service applications. The exhaust seat's advanced thermal properties make it particularly effective in aftercooled and turbocharged configurations where exhaust gas temperatures routinely challenge conventional materials.
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.
Company Details
Business Type:
Manufacturer
Year Established:
1992
Total Annual:
3000000-4000000
Employee Number:
100~200
Ecer Certification:
Verified Supplier
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