| Part Number |
5S7221, 5S-7221 |
| Part Name |
Engine Valve Seat Insert |
| Compatible Engine Models |
Caterpillar 3304, 3306 |
| Application |
Excavator D330C, D333C |
| Condition |
New |
| Material |
High-grade alloy steel (heat-treated) |
| Inner Diameter |
32.5 mm (standard) |
| Outer Diameter |
48.5 mm (standard) |
| Height |
8.7 mm |
| Weight |
0.1 kg |
| Warranty |
1 Year |
| MOQ |
1 piece |
| Delivery Time |
3-7 working days |
| Quality Certification |
ISO 9001 |
| Testing Support |
Video outgoing-inspection, Machinery Test Report provided |
| OEM Compatibility |
Direct replacement for Caterpillar OEM parts |
| Heat Resistance |
Up to 650＜C continuous operation |
| Surface Hardness |
45-50 HRC |
