Deyang Hexin Machinery Co., Ltd.
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ISX15 SET:
---Valve guide oem: 4026657
---Intake valve seat oem: 3104445 / 3681071 / 4059215
---Exhaust valve seat oem: 3679537 / 3679659 / 3683349
| Valve Guide | 4026657 |
| Material | Alloy cast iron |
| Brand | Cummins |
| Engine | ISX15 |
| Fuel | Oil |
Maximize your Cummins ISX15 engine's reliability with our genuine OEM valve guide (Part #4026657). This critical component ensures precise valve alignment and smooth operation in demanding heavy-duty applications.
Key Features & Benefits:
✔ Exact OEM Specification - Manufactured to Cummins' original 4026657 specifications for perfect fit
✔ Enhanced Durability - High-grade alloy construction withstands extreme engine temperatures
✔ Precision Machined - ±0.003mm tolerance ensures optimal valve stem alignment
✔ Reduced Friction - Special surface treatment minimizes wear for longer service life
✔ Improved Oil Control - Precision bore design prevents excessive oil consumption
Technical Specifications:
OEM Part Number: 4026657
Engine Compatibility: Cummins ISX15 series
Material: High-strength bronze alloy
Temperature Range: -40°C to 650°C (-40°F to 1200°F)
Surface Finish: 0.4μm Ra for optimal lubrication
Hardness: 85-95 HRB
Applications:
Ideal for:
Class 8 trucks and heavy haulers
Mining and construction equipment
Marine and industrial power units
Performance engine builds
Fleet maintenance programs
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.