
Product Overview
This premium bearing set is engineered for the Cummins 6BT diesel engine, a cornerstone of industrial and heavy-duty vehicle applications worldwide. We specialize in the global distribution of high-quality engine components, serving major markets across North America, Europe, Asia-Pacific, and the Middle East. This genuine specification bearing kit ensures optimal engine performance and longevity for demanding commercial and industrial operations.
Key Features & Benefits
- Genuine Quality: Manufactured to original equipment specifications for a precise fit and reliable performance.
- Enhanced Durability: Engineered for long-lasting service life, reducing downtime and maintenance frequency.
- Optimal Engine Protection: Provides critical support and lubrication for the crankshaft, minimizing friction and wear.
- Complete Bearing Solution: Includes both main and connecting rod bearings for a comprehensive engine overhaul.
- Global Availability: Stocked and ready for fast international shipping to support your fleet maintenance schedules.
Technical Specifications
| Specification | Detail |
|---|---|
| Product Name | Con Rod Bearing & Crankshaft Main Bearing Set |
| Primary Part Number | 6BT |
| Engine Model | Cummins 6BT |
| Condition | Genuine |
| Place of Origin | Japan |
| Minimum Order Quantity (MOQ) | 1 Piece |
| Package Size | 40 x 45 x 35 cm |
| Gross Weight | 15.000 kg |
OEM Cross-Reference
This bearing set is compatible with the following OEM and alternative part numbers. Ensure compatibility by cross-referencing with your original part.
- 3940059
- 3945329
- 5298256
- 3901306
Compatibility
This bearing set is designed specifically for the Cummins 6BT series diesel engine. This engine is commonly found in a wide range of heavy-duty applications, including:
- Excavators and Construction Trucks
- Industrial Generators and Power Units
- Heavy-Duty Trucks and Buses
- Marine and Agricultural Equipment
Please verify your specific engine serial number for final confirmation of fitment.
Global Supply & Distribution
We are a trusted supplier in the global automotive parts network. Our logistics are optimized for efficient international trade, ensuring reliable delivery to key industrial hubs and ports worldwide. We have extensive export experience and adhere to international shipping and compliance standards, facilitating smooth customs clearance to destinations in Europe, the Americas, the Middle East, Africa, and Asia-Pacific. Contact us for specific delivery timelines to your region.
Quality Assurance
Our commitment is to supply components that meet the highest standards of performance and reliability.
- Manufacturing Origin: Components are sourced from reputable manufacturers in Japan, known for precision engineering.
- Warranty: Backed by a 6-month warranty from the date of purchase.
- Post-Warranty Support: We provide video technical support to assist with installation and troubleshooting.
- Condition: All parts are supplied as genuine, new old stock or equivalent quality, ensuring they meet original performance criteria.
FAQ
Q1: Is this a complete bearing set for a 6BT engine rebuild?
A1: Yes, this product listing includes the key crankshaft main bearings and connecting rod bearings required for a standard 6BT engine overhaul. It is recommended to inspect all other components (thrust washers, seals) during reassembly.
Q2: How do I confirm these bearings will fit my specific Cummins 6BT engine?
A2: The best practice is to cross-reference the part numbers stamped on your original bearings with the OEM numbers listed in the “OEM Cross-Reference” section above (3940059, 3945329, etc.). Matching any one of these numbers confirms compatibility.
Q3: What support is available if I encounter issues during installation?
A3: We offer dedicated post-sales support, including access to video technical guidance. This resource can help clarify installation steps, torque specifications, and proper clearance checking procedures to ensure a successful rebuild.
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 .