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Quality ISX15 Engine Cummins Valve Seat 3104445/3681071/4059215/3679537/3679659/3683349 factory
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Quality ISX15 Engine Cummins Valve Seat 3104445/3681071/4059215/3679537/3679659/3683349 factory
Quality ISX15 Engine Cummins Valve Seat 3104445/3681071/4059215/3679537/3679659/3683349 factory
Quality ISX15 Engine Cummins Valve Seat 3104445/3681071/4059215/3679537/3679659/3683349 factory
>

ISX15 Engine Cummins Valve Seat 3104445/3681071/4059215/3679537/3679659/3683349

ISX15 Engine Cummins Valve Seat 3104445/3681071/4059215/3679537/3679659/3683349
ISX15 SET: ---Valve guide oem: 4026657 ---Intake valve seat oem: 3104445 / 3681071 / 4059215 ---Exhaust valve seat oem: 3679537 / 3679659 / 3683349 Valve Seat 3104445 / 3681071 / 4059215 3679537 / 3679659 / 3683349 Material High chromium alloy Brand Cummins Engine ISX15 Fuel Oil Engineered to exact ...
Place of Origin:China
Brand Name:CUMMNIS
Certification:ISO，IATF
Model Number:ISX15
Minimum Order Quantity:100
Price:3-3.5USD
Product Custom Attributes
Highlight

3104445 Cummins Valve Seat

,

3681071 Cummins Valve Seat

,

3104445 Intake Exhaust Valve Seat

Material:
High Chromium Alloy
Usage:
Engine Component
Durability:
Long-lasting
Compatibility:
Cummins ISX15 Engines
Size:
Standard
Precision:
Accurate
Function:
Valve Seat
Heat Resistance:
High
Corrosion Resistance:
Excellent
Quantity:
100 Pieces Per Box
Product Description

ISX15 SET:

---Valve guide oem: 4026657

---Intake valve seat oem: 3104445 / 3681071 / 4059215

---Exhaust valve seat oem: 3679537 / 3679659 / 3683349 

Valve Seat

3104445 / 3681071 / 4059215 

3679537 / 3679659 / 3683349 
Material  High chromium alloy 
Brand Cummins
Engine ISX15
Fuel Oil

Engineered to exact Cummins specifications, these OEM-grade valve seats deliver uncompromising durability and sealing performance for ISX15 engines in the most demanding over-the-road and vocational applications. The comprehensive part number range ensures perfect compatibility across various ISX15 configurations and model years.

Advanced Material Technology:

The valve seats utilize specialized alloy compositions tailored for their specific locations in the combustion chamber. High-nickel chromium exhaust seat formulations withstand continuous 900°C (1652°F) temperatures while resisting thermal fatigue, while copper-enhanced intake seats optimize heat transfer to maintain stable valve clearances.

Performance Advantages:

  1. Extended Service Life – Proprietary alloy blends demonstrate 40-50% greater wear resistance than conventional materials, particularly valuable in high-mileage trucking applications.

  2. Precision Thermal Management – The optimized material combinations provide:

    • Superior heat dissipation from critical valve areas

    • Reduced hot spotting in the combustion chamber

    • More consistent valve lash settings

  3. Engineered Sealing Surfaces – CNC-machined to 0.4-0.6μm Ra surface finish ensures:

    • Complete 360° valve contact

    • Maintained compression ratios

    • Minimized blow-by across all operating conditions

Technical Specifications:

  • Hardness: 45-55 HRC (application specific)

  • Temperature Range: -40°C to 950°C

  • Concentricity: 99.5% minimum

  • Surface Finish: Precision ground to 0.4-0.6μm Ra

Critical Applications:

  • Long-haul trucking operations

  • Heavy-duty vocational vehicles

  • Fire and emergency apparatus

  • Refrigerated transport

  • Specialized haulage applications

Verified Performance Benefits:
Field data confirms:
• 35-45% longer valve service intervals
• 5-7% improved fuel efficiency
• Reduced cylinder head temperatures
• Lower total cost of ownership

These Cummins ISX15 valve seats provide OEM-quality solutions for engine rebuilds and performance upgrades. Available in complete sets with all required configurations, they deliver the precise fit and durability demanded by today's heavy-duty diesel applications. The comprehensive part number coverage ensures correct selection for all ISX15 engine variants and model years.

 

ISX15 Engine Cummins Valve Seat 3104445/3681071/4059215/3679537/3679659/3683349 0

1.Company Overview

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.

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