Product Overview

This premium Main Bearing and Connecting Rod Bearing Set is engineered for the Caterpillar C6.6 diesel engine, providing a reliable and cost-effective solution for major overhauls and repairs. We specialize in the global distribution of high-quality engine components, serving professional workshops, fleet operators, and heavy machinery dealers across North America, Europe, the Middle East, and Asia-Pacific. Our parts are designed to meet or exceed OEM specifications, ensuring seamless integration and restored engine performance.

Key Features & Benefits

• Precision Engineering: Manufactured to exact OEM dimensions (STD size) for a perfect fit, eliminating the need for machining and ensuring correct oil clearance.
• Enhanced Durability: Made from high-grade materials with advanced surface treatments to withstand extreme pressures and provide superior wear resistance.
• Optimal Performance: Ensures proper crankshaft support and connecting rod alignment, contributing to smooth engine operation, reduced vibration, and extended engine life.
• Complete Bearing Set: Includes all necessary main and connecting rod bearings for a full engine bearing service, saving time on sourcing individual components.
• Rigorous Quality Control: Each bearing undergoes thorough inspection and testing, backed by a comprehensive machinery test report.

Technical Specifications

OEM Cross-Reference

This bearing set directly replaces the following OEM part numbers:

• Caterpillar: 445-9324, 317-5482

Note: Always verify the specific bearing requirements for your engine’s serial number before purchase. OEM service for custom specifications is available upon request.

Compatibility

Compatible Engine Model:

• Caterpillar C6.6 Diesel Engine

Typical Vehicle & Machinery Applications:

• Forklifts
• Bulldozers
• Buses & Coaches
• Excavators
• Trucks
• Loaders (Wheel Loaders, Skid Steer Loaders)
• And other industrial equipment powered by the Cat C6.6 engine.

Global Supply & Distribution

We are a trusted B2B supplier with extensive experience in international logistics and trade compliance. Our streamlined supply chain ensures efficient delivery to key industrial regions worldwide.

• Worldwide Shipping: We export to all major markets, including North America (USA, Canada, Mexico), Europe (UK, Germany, Netherlands, Poland), the Middle East (UAE, Saudi Arabia), Asia-Pacific (Australia, Singapore, Japan), and South America.
• Fast Delivery to Hubs: Consolidated shipping to major ports and logistics centers (e.g., Rotterdam, Los Angeles, Singapore, Dubai) for reduced transit times.
• Export-Ready Documentation: All shipments include complete commercial invoices, packing lists, and certificates of origin to ensure smooth customs clearance.

Quality Assurance

Our commitment to quality ensures you receive reliable parts that perform under demanding conditions.

• Manufacturing Standards: Produced in ISO-certified facilities using precision machinery to guarantee dimensional accuracy and material integrity.
• Comprehensive Warranty: All parts are covered by a 6-month warranty against manufacturing defects.
• Verification & Testing: Every batch is subject to stringent quality checks. A detailed machinery test report and video outgoing-inspection records are available to verify product conformance before shipment.

FAQ

Q1: Is this bearing set the correct STD size for my Cat C6.6 engine?
A1: Yes, this set is manufactured to the OEM Standard (STD) size specification. It is designed as a direct replacement for engines where the crankshaft journals have not been machined or reground. Always measure your crankshaft journals during disassembly to confirm the correct bearing size is required.

Q2: Are the main bearings and rod bearings included in one package?
A2: Yes, this is a complete set that includes all the main bearings and connecting rod bearings necessary for a full bearing replacement on the Caterpillar C6.6 engine. It is sold as a single item/set.

Q3: What documentation do you provide with the shipment for international buyers?
A3: For all B2B international orders, we provide full export documentation including a commercial invoice, packing list, and certificate of origin. Upon request, we can also supply the machinery test report and outgoing inspection video to facilitate your own quality assurance process.

Our advantages

1.An authorized wholesaler of Isuzu genuine parts, Hino genuine parts, Mitsubishi genuine parts and Mahle parts.

2. We are not only supply genuine parts, but also high quality OEM parts, which are made in China or made in Japan.

3. More than 10 years of experience in machinery parts, professional supply of diesel engine parts.

4. Fast delivery, the fastest can be shipped in one day ,more than 500,000 of different types parts in stock.

5. Scientific ERP system, easy and fast to locate the parts that customer needs.

6. Professional technician checks the parts before delivery, to make sure the parts are correct, usable and defect-free.

Exhibition

Packing&Shipping

1.  Our shipment is by air/sea/express (DHL/FEDEX/TNT/UPS/EMS).

2.  Once we get confirmation of payment, we will ship products in 2 days.

3.  Our packaging is standard export wooden box or others as your requirement.

4. We’ll check and test the products before shipping , and givethe pictures to our customers to confirm.

FAQ

Q1. What is your company major products?

A: Our main products are Liner kit, Piston, Rings, Liner, Gasket kit, Bearing, Injection pump, Nozzle, Water pump, Oil pump,Crankshaft, Turbocharger,Filter, etc.

Q2.What is the MOQ?

A: Normally we can supply any quantity if we have in stock.

Q3. What is your payment term ?

A: We accept Western Union, T/T, Paypal.

Q4. What is the packing ?

A: Carton or wooden case , If you want to put your logo on the packing , We will do it after get your authorization letter.

Q5. When can you deliver products after payment ?

A: By Express ,usually might take 3-4 days ;By Air , Usually take 7-9 days ; By Sea ,usually take 1-2 months .

Q6. What can you do to complete order perfectly ?

A: In the beginning , We will communicate with clients in details to understand what they need .

Before packing , We will check the products and send photos to clients .After confirmation ,

We will packing products well to avoid damage . Once we get tracking number ,

We will send it to customer and keep contact in with clients .