| Parameter | Description |
| Part Number | 2781365 / 437-3861 |
| Product Name | Rocker Arm AS |
| Brand | Caterpillar |
| Product Type | Engine Rocker Arm Assembly |
| Material | High-strength alloy steel |
| Strength & Performance | Provides stable valve actuation and reliable engine operation under heavy-duty conditions |
| Surface Treatment / Protection | Precision machined surfaces with wear-resistant treatment |
| Dimensions & Structure | OEM standard configuration |
| Function / Installation Position | Engine valve train rocker arm position |
| Operating Conditions | Heavy-duty diesel engine operation |
| Compatible Models | C-18, C-15, C-16 |
| System | Engine valve train system |
| Weight | 2.1 kg |
| Packaging | Industrial carton + foam protection |
| Lead Time | 30–90 days |
| Shipping Method | Sea / Air / Land |
| Payment Method | USD / RMB / RUB |
| Warranty | 6 months |
