| Parameter | Description |
| Part Number | 56B-33-11121 |
| Product Name | Piston |
| Brand | Komatsu |
| Product Type | Engine Piston |
| Material | High-strength alloy metal |
| Strength & Performance | Provides reliable combustion support and stable engine performance under heavy-duty conditions |
| Surface Treatment / Protection | Precision machined surfaces with wear-resistant treatment |
| Dimensions & Structure | OEM standard configuration |
| Function / Installation Position | Engine cylinder piston position |
| Operating Conditions | Heavy-duty diesel engine operation |
| Compatible Models | HM400, HM350 |
| System | Engine combustion system |
| Weight | 16.9 kg |
| Packaging | Industrial carton + foam protection |
| Lead Time | 30–90 days |
| Shipping Method | Sea / Air / Land |
| Payment Method | USD / RMB / RUB |
| Warranty | 6 months |
