CAT 3066 Engine Cooling Water Pump 178-6633 for 320C Excavators (Spare Parts)
The 178-6633 water pump assembly is a circulating cooling component for the cooling system of
the CAT 3066 diesel engine, commonly found in the 320C series excavators. Its function is to continuously circulate coolant, helping the engine maintain a stable operating temperature and improving heat dissipation efficiency.
When the original water pump experiences impeller wear, abnormal bearing noise, leakage, or reduced circulation capacity, it may trigger a high-temperature alarm, reduced power, or even engine shutdown protection. Timely replacement with a matching engine water pump assembly can effectively restore cooling performance, reduce the risk of overheating, and ensure stable equipment operation.
3066 Engine Water Pump Specifications
| Product Name |
Engine Water Pump Assembly |
| Part Number |
178-6633 |
| Part Type |
Cooling System Component |
| Minimum Order Quantity |
1 piece |
| Payment Method |
Western Union, T/T |
| Shipping Method |
UPS/DHL/EMS/TNT/FedEx |
Replaceable Part Number: 10R-7555
Applicable Models:
Engine: 3066
Excavator: 320C, 320D, 312D, 312C, 323D, 318C, 313D
Features and Advantages
Improves coolant circulation efficiency and reduces high-temperature risk.
High-strength housing and sealing structure enhances durability.
Helps maintain stable engine operation over long periods.
320C Excavator 3066 Engine Water Pump 178-6633 with Seals
Guangzhou Minshun Machinery Equipment Co., Ltd.
We specialize in the sales and service of diesel engine assemblies and construction machinery parts. Our product line covers engine assemblies, filtration systems, electronic control components, hardware accessories, wiring harnesses, and electrical accessories. Our service area includes Canada, the United States, the United Kingdom, Mexico, the Netherlands, Kazakhstan, Mongolia, Russia, Australia, Malaysia, Turkey, Indonesia, Singapore, Thailand, South America, South Africa, and other countries and regions.
Our Product Range
| Engine Rebuild Kit |
Turbochargers |
Engine Diesel Pumps |
Engine Controllers (ECU) |
| Cylinder Blocks |
Cylinder Heads |
Water Pumps |
Injectors |
| Starter Motors |
Filters |
Other Engine Accessories |
Excavator Hydraulic Pumps |
| Swivel Components |
Distributor Valves |
Travel Motor Assemblies |
Chassis Components and Other Accessories |
Frequently Asked Questions
Q1: What is your main products?
A1: We are specialized in the excavator engine spare parts, for example Main cylinder block, cylinder head, crankshaft, Engine assembly, piston, cylinder liner, piston ring, camshaft, connecting rod, oil pump, water pump, valve series products, movement, etc. almost all parts of the entire engine.
Q2: Do you test all products before shipping?
A2: Yes, we conduct 100% testing before shipping.
Q3: Which engine models is this Engine Water Pump Assembly compatible with?
A3: This product is designed for specific diesel engine models. If you can provide the engine model or original part number, we can confirm compatibility before shipping to avoid incompatibility issues.
Q4: Can you provide cross-reference information for OEM part numbers?
A4: Yes, we support original part interchange. Please provide the original part number, and we will verify the replacement part accordingly.
Q5: What should I do if there is a problem with the product?
A5: Our products undergo professional testing and are of very stable quality. If you do find any problems, please contact us. We have a professional after-sales team to help you solve the problem.
Why Choose Us?
• Over 20 years of focus on construction machinery – offering a full range of excavator assemblies and accessories.
• Get a Quote – Our professional team will provide you with a quote immediately upon receiving your requirements.
