Direct supply of 4900214 Cylinder Liner (also identified as 4900214) for heavy-duty Cummins ISL and QSL series engines. This high-precision sleeve is the critical choice for professional engine overhauls, ensuring original compression and thermal stability.
| Critical Quality Factor | Our OEM-Standard 4900214 | Common Aftermarket Parts |
|---|---|---|
| 1. Material Integrity | High-phosphorus boron cast iron | Standard gray iron |
| 2. Manufacturing Process | Centrifugal casting for density | Static casting (prone to porosity) |
| 3. Inner Wall Finish | Professional cross-hatch honing | Rough machining (high friction) |
| 4. Heat Dissipation | Uniform wall thickness distribution | Irregular cooling (hot spots) |
| 5. Sealing Reliability | Precision groove for O-rings | Loose tolerances (leakage risk) |
| 6. Service Life | Extended 500,000+ mile durability | Unpredictable early failure |
| Part Number | 4900214 / 4900214 (No Hyphen) | Model NO. | ISL8.9, QSL8.9, ISL9, QSL9 |
| Product Name | Engine Cylinder Liner | Type | Wet Cylinder Sleeve |
| Condition | Brand New, OEM Standard | MOQ | 1 Piece |
| Stock Status | In Stock / Ready to Ship | Packaging | Industrial Export Packing |
| Payment Terms | T/T, Western Union, MoneyGram | Delivery | DHL, Fedex, UPS, Air/Sea |
Question: Why is my QSL engine showing blue smoke and oil consumption?
Answer: This usually indicates a worn 4900214 cylinder liner or piston ring failure. Replacing the liner restores the air-tight seal required for efficient diesel combustion.
Question: How to check for liner scuffing?
Answer: During maintenance, use a bore-scope to check the inner surface of the 4900214 sleeve. Any vertical scratches or glazing mean a replacement is mandatory to prevent piston seizure.
Why Choose This Cylinder Liner?
Answer: OEM-standard tri-metal structure. Trusted by repair shops and equipment fleets for reliable heavy-duty operation.
Identify potential risks during engine maintenance.
Recommend suitable replacement parts like pistons and gaskets.
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