QSK23 Engine Water Pump For Hitachi EX1200‑6 Mining Excavator for Cum-mins Engine Parts
High‑quality aftermarket water pump assembly suitable for Cum-mins QSK23, 6BT5.9, QSM11 series engines, used for Hitachi large mining excavator cooling system maintenance.
Key Features
- Professional replacement water pump for multiple Cum-mins heavy‑duty engine series
- High‑strength cast iron pump body + wear‑resistant alloy impeller, stable water circulation under continuous heavy‑load mining operation
- High‑temperature resistant mechanical seal and gasket, zero‑leakage performance for long‑time use
- Optimized flow‑rate structure, efficient heat dissipation to prevent engine overheating failure
- Strict factory inspection for rotation speed, water pressure, sealing and vibration performance
- Exact OEM mounting dimension, direct bolt‑on installation without modification
- Heavy‑duty bearing system, shock‑resistant and durable for mining harsh working environment
- Wide compatibility with mainstream Cum-mins construction machinery engine models
Product Information
| Item |
Specification |
| Product Name |
Engine Water Pump Assembly |
| Main Engine Brand |
Cum-mins |
| Matched Machinery |
Hitachi EX1200‑6 Mining Excavator |
| Material |
High‑Strength Cast Iron Body, Alloy Impeller |
| Function |
Engine Cooling Liquid Circulation |
| Application |
Mining Excavator, Heavy‑Duty Industrial Power Unit |
| Condition |
Brand New Aftermarket Replacement |
Related products
| Category |
Replaceable Part Numbers / Compatible Models |
| General OEM Series |
4372338, 4097028, 3800979, 4924253, 4089909, 4390340, 3647147 |
| Compatible Engine Models |
Suitable for QSK23, 6BT5.9, QSM11, M11, ISM11, L10, N14, K19, K38, K50, X15, ISX15, B3.3, B4.5, C8.3, 6CT8.3, QSB6.7, QSL9, QSX15, 4BT3.9, ISB6.7, QSK19, QSK38, QSK50 |
Fitment Application
Suitable for Hitachi EX1200‑6 large mining excavator equipped with Cum-mins series engines, also
compatible with heavy‑duty stationary power units, marine engines and industrial equipment fitted
with Cum-mins mainstream construction machinery engines.






FAQ
Q1: Which brand engines is this water pump compatible with?
A1: Compatible with mainstream Cum-mins engine models including QSK23, 6BT5.9, QSM11, M11, K19, X15 and more.
Q2: Which excavator does this water pump fit?
A2: Specially for Hitachi EX1200‑6 large mining excavator with Cum-mins engine.
Q3: Is it suitable for long‑time mining heavy‑duty use?
A3: Yes, heavy‑duty structure, high‑temperature resistance and anti‑leakage design adapt to mining harsh environment.
Q4: Can it be installed directly?
A4: OEM‑standard dimension, direct bolt‑on replacement without modification.
Q5: What series of Cum-mins engines does it cover?
A5: Covers light, medium and heavy‑duty Cum-mins engines widely used in excavators, loaders and mining machinery.