Deyang Hexin Machinery Co., Ltd.
| Payment Terms | T/T,L/C |
| Supply Ability | 500000 valve guide per month |
| Delivery Time | 30 days |
| Packaging Details | Normal |
| Wear Resistance | High |
| Installation Method | Press Fit |
| Tolerance | Customized |
| Heat Resistance | High |
| Function | Guiding Valves |
| Precision | High |
| Durability | High |
| Product Type | Valve Guide |
| Compatibility | Various Engine Models |
| Size | Customized |
| Quantity | Customized |
| Usage | Engine Component |
| Surface Finish | Customized |
| Corrosion Resistance | High |
| Brand Name | Caterpillar |
| Model Number | D379 , G379 , D398 , G398 , D399 , G399 |
| Certification | ISO，IATF |
| Place of Origin | China |
View Detail Information
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Product Specification
| Payment Terms | T/T,L/C | Supply Ability | 500000 valve guide per month |
| Delivery Time | 30 days | Packaging Details | Normal |
| Wear Resistance | High | Installation Method | Press Fit |
| Tolerance | Customized | Heat Resistance | High |
| Function | Guiding Valves | Precision | High |
| Durability | High | Product Type | Valve Guide |
| Compatibility | Various Engine Models | Size | Customized |
| Quantity | Customized | Usage | Engine Component |
| Surface Finish | Customized | Corrosion Resistance | High |
| Brand Name | Caterpillar | Model Number | D379 , G379 , D398 , G398 , D399 , G399 |
| Certification | ISO，IATF | Place of Origin | China |
| High Light | Caterpillar engine valve guide ，OEM D379 valve guide ，custom G399 valve guide | ||
| Valve Guide | 2N9299 |
| Material | Alloy cast iron |
| Brand | Caterpillar |
| Engine | D379 , G379 , D398 , G398 , D399 , G399 |
| Fuel | Oil |
Specifically designed for Caterpillar D379, G379, D398, G398, D399, and G399 series industrial engines, this OEM-spec valve guide (2N9299) serves as a critical component in maintaining valvetrain stability and longevity. In demanding applications such as power generation, marine propulsion, and mining equipment, it ensures precise valve stem alignment, reduces abnormal oil consumption, and dissipates combustion heat efficiently to the cylinder head. Its heavy-duty construction guarantees reliable performance under continuous high-load operation, extending service intervals and reducing unplanned downtime.
Multi-stage precision machining delivers an ultra-smooth internal surface (Ra ≤0.4μm) that maintains optimal oil film retention while preventing carbon buildup. The external surface incorporates nanoscale helical oil grooves that facilitate uniform installation and improve heat transfer to the cylinder head. An enhanced chamfer design at the guide ends prevents edge damage during installation and ensures proper alignment with valve springs. These manufacturing refinements work together to maintain stable valve timing and prevent power loss in turbocharged and naturally aspirated configurations alike.
Professional Installation Recommendations:
Always use specialized reaming tools to achieve the specified clearance of 0.0015-0.0035 inches based on application requirements. Conduct comprehensive cylinder head inspection for bore distortion before installation. For engines exhibiting guide wear, replace as complete sets per cylinder to maintain balanced valvetrain dynamics. These guides are compatible with both standard and high-performance valve stem seals, providing flexibility for maintenance and rebuild scenarios across Caterpillar's industrial engine lineup.
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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