CAT 3066 Industrial Engine Oil Cooler 6N9215 4W7188 4W7190 Construction Machinery Parts
The 6N9215 oil cooler is a high-efficiency heat exchanger component suitable for
Cat 3066 industrial diesel engines and construction machinery. It is primarily used to cool engine lubricating oil, ensuring stable lubrication performance and reliable operation of the engine under high-temperature, high-load conditions.
3066 Oil Cooler Specifications
| Product Name |
3066 Engine Oil Cooler |
| Part Number |
6N9215 |
| Minimum Order Quantity |
1 piece |
| Payment Method |
Western Union, T/T |
| Shipping Method |
UPS/DHL/EMS/TNT/FedEx |
Replaceable Part Numbers: 4W7188, 4W7190
Applicable Engines: 3066, 3066B
Application Areas: Construction Machinery / Mining Equipment / Generator Sets
Features and Advantages
High-efficiency heat exchange structure for rapid oil temperature reduction
Robust cast structure with strong pressure and corrosion resistance
Improves engine lubrication system stability
Supports OEM and aftermarket repair and replacement markets

6N9215 Oil Cooler Assembly for CAT 3066B Engines
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 Oil Cooler 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.