| Parameter | Description |
| Part Number | 3979952 |
| Product Name | Nozzle AS |
| Brand | Caterpillar |
| Product Type | Fuel Injection Nozzle Assembly |
| Material | High-strength alloy steel + precision injection components |
| Strength & Performance | Provides accurate fuel atomization and reliable engine operation |
| Surface Treatment / Protection | Precision machined surfaces with corrosion-resistant treatment |
| Dimensions & Structure | OEM standard configuration |
| Function / Installation Position | Fuel injector nozzle assembly position |
| Operating Conditions | Heavy-duty diesel engine operation |
| Compatible Models | 907K, 908K, 906K |
| System | Engine fuel system |
| Weight | 0.3 kg |
| Packaging | Industrial carton + foam protection |
| Lead Time | 30–90 days |
| Shipping Method | Sea / Air / Land |
| Payment Method | USD / RMB / RUB |
| Warranty | 6 months |