High Precision Engine Part Valve Guide 4026657 Exhaust Valve Guide Cummins ISX15 Engine
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.
- 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.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.