| Parameter | Description |
| Part Number | 6251-11-1200 |
| Product Name | Cylinder Head Ass’y |
| Brand | Komatsu |
| Compatible Models | PC490 / PC400 / WA470 / WA480 |
| Compatible Engine | Komatsu SAA6D125E |
| Product Type | Engine Cylinder Head Assembly |
| Material | High-strength cast alloy steel |
| Strength & Performance | Designed for high-temperature and high-pressure diesel engine operation, ensures stable combustion and long service life |
| Surface Treatment / Coating | Precision machined sealing surfaces, anti-corrosion treatment for storage protection |
| Dimensions & Structure | OEM standard structure, fully interchangeable with original Komatsu cylinder head assembly |
| Function / Installation Position | Installed on top of engine block, forms combustion chamber and supports valves, injectors, and cooling passages |
| Operating Conditions | High temperature, high pressure, continuous heavy-duty engine operation |
| Weight | 13.44 kg |
| Precision | Fully meets Komatsu OEM specifications |
| Packaging | Wooden case or reinforced carton |
| Lead Time | In stock: 30 days; Production: 90 days |
| Shipping Method | Air freight / Sea freight / Land transport |
| Payment Method | RMB / USD / Ruble available |
| Warranty | 6 months, includes technical support |