Deyang Hexin Machinery Co., Ltd.
| 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 | Cummins N14 Engines |
| Size | Standard |
| Precision | Accurate |
| Function | Valve seat |
| Heat Resistance | High |
| Corrosion Resistance | Excellent |
| Quantity | 100 pieces per box |
| Brand Name | CUMMNIS |
| Model Number | N14 |
| Certification | ISO，IATF |
| Place of Origin | China |
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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 | Cummins N14 Engines |
| Size | Standard | Precision | Accurate |
| Function | Valve seat | Heat Resistance | High |
| Corrosion Resistance | Excellent | Quantity | 100 pieces per box |
| Brand Name | CUMMNIS | Model Number | N14 |
| Certification | ISO，IATF | Place of Origin | China |
| High Light | 3054590 Cummins Valve Seat ，3054590 engine Valve Seat Inserts ，30696924 Cummins Valve Seat | ||
N14 SET:
---Valve guide oem: 3064312
---Intake valve seat oem: 3054590
---Exhaust valve seat oem: 30696924
| Valve Seat | 3054590 / 30696924 |
| Material | High chromium alloy |
| Brand | Cummins |
| Engine | N14 |
| Fuel | Oil |
Engineered to meet Cummins' exacting specifications, these OEM-grade valve seats (#3054590 intake / #30696924 exhaust) deliver uncompromising durability and sealing performance for N14 engines in demanding over-the-road and vocational applications. These precision components maintain critical combustion chamber integrity throughout extended service intervals.
Advanced Material Technology:
The exhaust valve seat utilizes a nickel-chromium-molybdenum superalloy with tungsten reinforcement, specifically formulated to withstand continuous 900°C (1652°F) temperatures while resisting thermal fatigue. The intake seat features a copper-impregnated iron matrix that optimizes heat transfer while maintaining dimensional stability.
Performance Advantages:
Extended Service Life – The exhaust seat's composite alloy demonstrates 40% greater wear resistance than conventional materials, particularly valuable in high-mileage trucking applications.
Enhanced Thermal Management – The intake seat's copper-rich composition provides:
30% improved heat dissipation
More stable valve clearances during temperature fluctuations
Reduced thermal stress on cylinder heads
Precision Sealing Surfaces – CNC-machined to 0.5μm Ra ensures:
Complete valve-to-seat contact
Maintained compression ratios
Minimized blow-by
Technical Specifications:
Hardness: 48-52 HRC (exhaust), 38-42 HRC (intake)
Temperature Range: -40°C to 950°C
Concentricity: 99.6% minimum
Ideal Applications:
Long-haul trucking
Heavy-duty vocational vehicles
Fire apparatus
Refrigerated transport
Specialized haulage
Verified Benefits:
• 35-40% longer service intervals
• 5-7% improved fuel efficiency
• Reduced cylinder head temperatures
• Lower maintenance costs
These Cummins N14 valve seats deliver OEM-quality performance with enhanced durability for severe-service applications. The exhaust seat's tungsten-enhanced alloy provides exceptional protection against extreme thermal cycling in turbocharged configurations.
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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