This CAT C6.4 replacement water pump fits CAT 320C/320D/312C/315D excavators perfectly, matching original mounting and belt size for direct installation.
As a heavy-duty C6.4 water pump, it provides high strength, corrosion resistance, and long durability in harsh conditions.
Premium seal prevents coolant leakage; high-quality bearing ensures smooth rotation, low noise, and extended service life.
Stable high-speed operation and efficient coolant flow, maintaining optimal engine temperature under heavy load.
Every excavator engine water pump assembly is factory-tested to ensure zero leakage and reliable performance.
Restores full cooling function at lower cost than OEM dealers, reducing downtime and maintenance frequency.
| Item | Content |
|---|---|
| Product Name | CAT C6.4 Diesel Engine Water Pump |
| Compatible Engine | CAT C6.4 Diesel Engine |
| Compatible Excavator | CAT 320C, 320D, 312C, 315D, 319D, 323D |
| Housing Material | Cast Iron / Aluminum |
| Rotation | Clockwise 顺时针 |
| Quality Standard | OEM standard, 100% leakage & pressure tested |

A1: This CAT C6.4 diesel engine water pump is designed for CAT C6.4 engine, fitting CAT 320C, 320D, 312C, 315D, 319D, 323D excavators. It is a complete CAT C6.4 excavator engine cooling pump, durable excavator engine water pump assembly, robust heavy-duty C6.4 water pump, standard CAT C6.4 replacement water pump, reliable excavator diesel engine spare parts, and genuine OEM CAT C6.4 water pump assembly.
A2: Engine overheating, coolant leakage (weep hole), abnormal noise (whining/grinding), low coolant level, and steam from radiator. Replacing with our CAT C6.4 diesel engine water pump resolves all issues.
A3: Under normal conditions, replace every 8,000–10,000 hours or when leakage/noise appears. Regular coolant maintenance extends pump life.