8N1187 Cylinder Head Assembly Suitable for CAT engine 3306, excavators 245, 245B, 375
The 8N1187 cylinder head assembly is an engine cylinder head component specifically designed for Cat 3306 series diesel engines. It can be used as an OEM original or high-quality replacement part. With a robust construction and precision machining, it is suitable for engine repair and reconstruction in heavy-duty construction machinery, wheel loaders, bulldozers, and other equipment.
| Part Number |
8N1187 |
| Type |
Cylinder Head Assembly |
| Condition |
Complete cylinder head, including valves and springs |
| Function |
Seals the combustion chamber, supports the valve mechanism, and withstands combustion pressure |
| Material |
Cast iron/high-strength steel |
Replacement Part Numbers
7W-0009, 7W0009, CA7W0009, 0R-3671, 0R3671, CA0R3671, 0R-3716, 0R3716, CA0R3716
Applications
Suitable for CAT engines: 3306, 3406, 3406B, 3406C, SR4304, 3306, D330C, D333C
Suitable for CAT excavators: 245, 245B, 375, 375 L;
Suitable for CAT wheel loaders: 980C, 980F, 980 F Series II;
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 |




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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 Cylinder Head 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 experience specializing in construction machinery, engines, and parts – with stable experience supplying mainstream brands and models.
• Extensive experience in model matching enables us to provide customers with accurate parts selection, reducing procurement risks.
• A long-term, stable, and reliable supply system ensures reliable product sourcing and meets continuous procurement needs.
• For product information or quotations, our professional team will provide you with detailed answers immediately upon receiving your request.