
Product Overview
This premium main and connecting rod bearing set is engineered for heavy-duty diesel engines, specifically the DT530, 6D155, and 6D170 series. Designed for durability and precise fitment, this bearing kit is an essential component for engine overhauls and rebuilds. We supply directly to workshops, distributors, and fleet operators worldwide, with major markets including North America, Europe, the Middle East, and Asia-Pacific.
Key Features & Benefits
- Premium Material Construction: Manufactured from high-grade, wear-resistant alloys to ensure longevity under extreme pressure and temperature conditions.
- Precision Engineering: Guarantees exact tolerances for optimal oil film retention, reduced friction, and maximum engine efficiency.
- Enhanced Durability: Advanced surface treatments provide superior resistance to scoring, pitting, and corrosion, extending engine service life.
- Complete Overhaul Kit: Includes all necessary main and connecting rod bearings for a full engine rebuild, saving time on parts sourcing.
- Global Fitment Standard: Manufactured to meet or exceed OEM specifications, ensuring reliable performance in diverse operating environments.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Type | Main & Connecting Rod Bearing Set |
| Core Part Number | 1830505C1 |
| Material | High-Strength Aluminum Alloy / Tri-Metal |
| Compatible Engine Series | DT530, 6D155, 6D170 |
| Application | Heavy-Duty Diesel Engine Rebuild |
| Set Includes | Main Bearings, Connecting Rod Bearings |
| Standards | ISO 9001, OEM-equivalent specifications |
OEM Cross-Reference
This bearing set directly replaces the following OEM part numbers. It is also compatible with numerous aftermarket references.
- 1830505C1 – Main Bearing Set
- 1830269C1 – Connecting Rod Bearing
- 1830506C1 – Main Bearing
- 1817021C1 – Bearing Component
Compatibility
This bearing set is designed for the following heavy-duty diesel engine models, commonly found in commercial trucks, buses, and industrial machinery.
- Engine Models: DT530, 6D155, 6D170
- Typical Applications: Navistar International trucks, heavy-duty construction equipment, and power generation units.
- Note: Always verify the specific engine serial number and existing bearing sizes (standard or undersize) before ordering to ensure correct fitment.
Global Supply & Distribution
We are a leading supplier in the global automotive aftermarket, specializing in diesel engine components. Our logistics network ensures reliable delivery to key industrial regions.
- Worldwide Shipping: We export to all major markets, including North America (USA, Canada, Mexico), the European Union, the Middle East (UAE, Saudi Arabia), and Asia-Pacific (Australia, Singapore).
- Fast Port Delivery: Consolidated shipments ensure cost-effective and fast delivery to major ports like Los Angeles, Rotterdam, Dubai, and Shanghai.
- Export Compliance: All shipments are prepared with complete commercial invoices, packing lists, and comply with international trade regulations for smooth customs clearance.
- Bulk Order Support: Dedicated support for container load (FCL) orders, with competitive pricing for distributors and large-scale rebuilders.
Quality Assurance
Every component is subject to a rigorous quality control process to guarantee performance and reliability for our B2B clients.
- Manufacturing Standards: Produced in ISO 9001 certified facilities using precision machining and automated inspection systems.
- Material Certification: Raw materials are sourced from certified suppliers, with batch traceability available.
- Performance Testing: Bearings undergo dimensional accuracy checks, surface finish analysis, and material hardness testing.
- Warranty: Backed by a standard warranty against manufacturing defects. Specific warranty terms are provided with the commercial invoice.
FAQ
Q1: How do I confirm this bearing set fits my specific DT530 engine?
A1: The most reliable method is to cross-reference your engine’s serial number and the part numbers of the bearings being replaced. The core numbers 1830505C1, 1830269C1, 1830506C1, and 1817021C1 should match your old parts. If unsure, consult your engine’s service manual or contact our technical support with your engine details.
Q2: Are these bearings supplied in standard size only?
A2: This listing is for the standard size bearing set, which is the most common requirement for a rebuild with a standard crankshaft. Undersize bearings (e.g., 0.010″, 0.020″, 0.030″) for reground crankshafts are available as separate part numbers. Please inquire if you require undersize specifications.
Q3: What is the recommended installation procedure for these bearings?
A3: Professional installation is crucial. Ensure the engine block and crankshaft journals are clean, measured, and within OEM tolerances. Always use the correct lubrication (assembly lube or clean engine oil) during installation and follow the manufacturer’s specified torque sequence and values for the bearing caps to ensure proper crush and oil clearance.
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 .