Reliable Engine Overhaul Solutions for Industrial and Construction Equipment Maintenance.
| Field | Details |
|---|---|
| Model NO. | Cummins 6BT / 6BT5.9 / QSB5.9 Series |
| Product Name | Connecting Rod Bearing (Main Bearing Set Alternative) |
| Part Number | 40C13-203A / 40C13203A |
| Type | Engine Internal Friction Parts |
| Condition | Brand New, OEM Standard Replacement |
| Application | Engine rebuild, overhaul, preventative maintenance |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express: DHL Fedex EMS UPS or by Air/ Sea |
| MOQ / Stock | 1 Piece / In Stock - Fast Dispatch |
| Key Procurement Factors | Our OEM Standard Replacement | Generic Aftermarket Parts |
|---|---|---|
| 1. Material Composition | OEM-standard tri-metal structure for heat resistance | Basic aluminum alloy (prone to premature wear) |
| 2. Precision Fit | Exact 40C13203A tolerance for oil film clearance | Variable sizing leading to crankshaft damage |
| 3. Load Capacity | Optimized for high-torque Cummins QSB engines | Limited durability under heavy mechanical load |
| 4. Quality Control | Industrial export packing with anti-rust protection | Poor packaging, risk of surface scratches |
| 5. Supply Chain | Direct supplier with massive local stock | Middlemen with long lead times |
| 6. Technical Support | Professional maintenance and inspection advice | Sales only, no technical engine knowledge |
Not sure how this issue affects your equipment? Our team helps operators minimize downtime and maximize engine life.
Identify potential risks during maintenance: We spot wear patterns on your old 40C13-203A bearings to diagnose oil pressure issues.
Recommend suitable replacement parts if needed: From standard to undersize bearings, we ensure the right fit for your ground crankshaft.
Support both inspection advice and parts supply: We provide more than just the part; we provide the solution for your Cummins overhaul project.
Typical symptoms include a metallic knocking sound (rod knock) that increases with engine RPM, or a sudden drop in oil pressure. If you find copper flakes in the oil filter during maintenance, the 40C13203A bearing material is likely stripping.
Yes, the 40C13-203A is designed to meet the rigorous demands of both mechanical 6BT and electronic QSB series engines. It ensures the connecting rod rotates smoothly around the crankshaft journal under high pressure.
Our parts feature an OEM-standard tri-metal structure designed for longevity. We are trusted by repair shops & equipment fleets worldwide for providing reliable Cummins engine components that prevent catastrophic engine failure.
Stock is ready for immediate dispatch. Contact our sales engineers now.
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