Procuring reliable engine parts is critical for heavy-duty fleet maintenance. The 576-3377 (also known as 5763377) cylinder liner is the standard replacement for restoring compression and ensuring block durability in C4.4 and C6.6 industrial engines. This OEM-standard sleeve is built to handle high thermal stress and intense friction.
| Property | Details |
|---|---|
| Model NO. | C4.4, C6.6, C7.1, 312D2, 320D2, 924K, 930K, 938K, D6K2 |
| Product Name | Cylinder Liner / Engine Sleeve |
| Part Number | 576-3377 / 5763377 |
| Type | Wet Cylinder Liner Replacement |
| Condition | Brand New, OEM Standard Replacement |
| MOQ | 1 Piece |
| Stock Status | In Stock / Fast Dispatch |
| Application | Engine rebuild, overhaul, maintenance |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express: DHL Fedex EMS UPS or by Air/ Sea |
| Packaging | Industrial Export Packing |
| Comparison Point | Our OEM-Standard Replacement | Common Aftermarket Parts |
|---|---|---|
| 1. Material Density | High-phosphorus cast iron (High wear resistance) | Standard gray iron (Short lifespan) |
| 2. Surface Finish | Precision plateau honing (Oil retention) | Coarse finish (High ring wear) |
| 3. Dimensional Accuracy | Strict tolerance matching for C4.4/C6.6 | Inconsistent sizing (Fitment issues) |
| 4. Thermal Stability | Heat-treated to prevent distortion | Prone to warping under high temp |
| 5. Sealing Performance | Perfect flange fit (Zero leakage) | Irregular flange height (Gasket failure) |
| 6. Availability | Immediate stock for global shipping | Long lead times for custom orders |
Excavators: 312D2, 313D2, 318D2, 320D2, 323D2
Wheel Loaders: 924K, 930K, 938K, 950K, 962K
Dozers: D6K2, D3K2, D4K2, D5K2
Engines: C4.4 ACERT, C6.6 ACERT, C7.1 Mechanical and Electronic
Not sure how this issue affects your equipment? Our technical team helps operators:
✔ Identify potential risks during routine maintenance before failure.
✔ Recommend suitable replacement parts based on engine serial numbers.
✔ Support both inspection advice and professional parts supply.
Q: What are the symptoms of a worn 576-3377 liner?
A: Increased oil consumption (blue smoke), loss of compression, and excessive blow-by. Coolant mixing with oil often indicates flange or O-ring failure on the 5763377 sleeve.
Q: Why choose this Cylinder Liner?
A: It features an OEM-standard tri-metal structure and is trusted by repair shops and equipment fleets for durability in harsh mining environments.
Q: Should I replace all liners during an overhaul?
A: Yes. To ensure balanced cylinder pressure and prevent future downtime, we recommend replacing the full set during a C4.4 or C6.6 rebuild.
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