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Product Details
Product Overview
This high-quality main bearing, identified by part number 3178766, is specifically designed for use in Caterpillar C15 diesel engines. As a critical component of the engine’s rotating assembly, this main bearing ensures the crankshaft rotates smoothly and reliably under heavy loads.
Sourced from a reputable aftermarket manufacturer, this bearing is built to meet or exceed OEM specifications. It is a direct replacement for the original Caterpillar component, making it an ideal choice for engine rebuilds, overhauls, or preventative maintenance on heavy-duty equipment. This part is commonly used in a wide range of applications including construction, industrial, agricultural, genset, marine, and material handling machinery.
Key Features & Benefits
Precision Engineering: Manufactured to strict tolerances to ensure a perfect fit and consistent oil clearance for optimal crankshaft support.
Durable Construction: Built from high-strength, wear-resistant materials to withstand the extreme pressures and temperatures inside a heavy-duty diesel engine.
OEM Specifications: Designed as a direct replacement for the original Caterpillar part number 3178766, ensuring reliable performance and easy installation.
Enhanced Engine Life: Reduces friction and wear on the crankshaft, contributing to longer engine life and reduced downtime.
Rigorous Testing: Each batch undergoes quality control inspections, including dimensional checks and material analysis, to guarantee consistent quality.
Versatile Application: Suitable for a variety of heavy machinery across multiple industries, providing a one-stop solution for fleet maintenance.
Technical Specifications
Specification
Details
Part Number
3178766
Engine Model
C15
Type
Main Bearing
Engine Type
Diesel
Size
OEM Size (Standard)
Weight (kg)
2
Material
High-Strength Steel with Aluminum/Tin Alloy Layer
Place of Origin
Guangdong, China
Packing
Plastic bag, Box, Carton
Warranty
6 Months
OEM Cross-Reference
This main bearing is a direct aftermarket replacement for the following genuine Caterpillar part numbers:
Caterpillar OEM: 3178766
Please verify your original part number against the list above to confirm compatibility before ordering.
Compatibility
This part is specifically designed for the Caterpillar C15 diesel engine platform. It is commonly used for the following applications:
Marine & Handling: Marine propulsion engines, Forklifts, Material handlers
Note: Fitment is inferred based on the engine model. Always consult your equipment’s service manual to confirm the correct part number for your specific engine serial number.
Global Supply & Distribution
We offer reliable worldwide shipping for this and all our engine parts. Our logistics network ensures fast and secure delivery to major ports and industrial centers across the globe.
Major Markets Served: North America, Europe, Southeast Asia, Middle East, Africa, and Oceania.
Shipping Options: Express (DHL, FedEx, UPS), Air Freight, and Sea Freight available.
Lead Times: Orders are processed and shipped within 3-7 business days. Bulk orders may require additional lead time.
Trade Compliance: We are experienced in international export documentation and customs clearance.
Quality Assurance
We are committed to providing high-quality, reliable aftermarket parts. Our quality assurance process includes:
Manufacturing Standards: Parts are produced in ISO 9001 certified facilities, ensuring consistent quality control.
Testing: Each batch is subject to dimensional inspection and material verification. A Machinery Test Report is available upon request.
Inspection:Video Outgoing Inspection is provided for bulk orders to verify part condition before shipping.
Warranty: All parts come with a standard 6-month warranty against manufacturing defects.
After Warranty Service: We provide Online support to assist with any technical questions or issues that may arise after the warranty period.
FAQ
Q: Is this main bearing a direct replacement for the OEM Caterpillar part? A: Yes, this main bearing (part number 3178766) is designed as a direct aftermarket replacement for the genuine Caterpillar main bearing. It is manufactured to OEM specifications for bolt-on fitment and performance.
Q: What is the typical installation procedure for a main bearing? A: Installation should be performed by a qualified diesel mechanic. The process generally involves removing the oil pan and bearing caps, cleaning the bearing bore, lubricating the new bearing shells, and torquing the cap bolts to the manufacturer’s specifications. Always refer to the Caterpillar service manual for your specific C15 engine for exact torque values and procedures.
Q: How should I store this bearing before installation? A: To prevent contamination and corrosion, keep the bearing in its original packaging in a clean, dry environment. Avoid touching the precision-machined surface with bare hands, as oils and dirt can affect performance. Install the bearing as soon as possible after opening the package.
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