Premium OEM-Standard Replacement Parts | Piston 3044448 | Liner 3080760 | Ring 4976252
Ensure reliable cylinder pressure and block protection during your next overhaul. This commercial-grade Liner Kit for Cummins L10 heavy-duty engines utilizes precision-engineered components designed to restore original operating efficiency and eliminate oil consumption issues.
Our complete kit features the alloy piston 3044448 (also listed as 304-4448), the heavy-wall wet cylinder liner 3080760 (alternative: 308-0760 / 3803544 / 380-3544), and the high-tension piston ring set 4976252 (alternative: 497-6252).
| Parameter | Product Technical Data |
|---|---|
| Model NO. | Cummins L10 (L10 Series Diesel Engines) |
| Product Name | Cylinder Liner Kit (Liner Kits) |
| Part Number | Piston: 3044448 / Liner: 3080760 (3803544) / Piston Ring: 4976252 |
| Type | Piston, Wet Sleeve Liner, Ring Assembly Set |
| Condition | Brand New, OEM Standard Replacement |
| MOQ | 1 Piece |
| Stock Status | In Stock / Fast Dispatch Available |
| Packaging | Industrial Export Packing |
| Application | Engine rebuild, overhaul, preventative maintenance |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express (DHL, Fedex, EMS, UPS), Air, or Sea Freight |
| Sourcing Factor | Our Premium Replacement (3044448 / 3080760) | Low-Cost Alternatives |
|---|---|---|
| 1. Metallurgy | High-tensile alloy cast iron with plateau-honed liner walls. | Standard cast iron prone to scuffing and distortion. |
| 2. Tolerances | Machined to exact micron limits for optimal oil film retention. | Loose clearances causing piston slap and oil blow-by. |
| 3. Thermal Expansion | Engineered expansion rates matching L10 block specs. | Inconsistent expansion leading to block damage. |
| 4. Ring Tension | Nitride-coated piston rings (4976252) for reliable compression. | Weak ring tension causing rapid cylinder wear. |
| 5. Service Life | Built to last for full-cycle commercial heavy-duty operations. | Unpredictable early wear requiring premature repairs. |
| 6. Adaptation | Resistant to diesel fuel sulfur variations and thermal stress. | Poor chemical resistance, accelerating liner erosion. |
Our dedicated engineering support team works directly with fleet managers and operators to:
Identify potential risks during maintenance checks before failures occur.
Recommend suitable replacement parts matching your engine serial number (ESN).
Support both inspection advice and parts supply with reliable global logistics tracking.
What are common indications of Cummins L10 liner wear?
Typical signs include blue exhaust smoke, crankcase pressure buildup (blow-by), loss of engine compression, or coolant mixing with engine oil due to worn O-ring seals or cavitation damage.
How does liner cavitation happen and how can it be avoided?
Piston vibration creates micro-bubbles in the cooling jacket. When they collapse, they pit the liner wall, causing coolant leaks. Our heavy-walled 3080760 liner uses premium alloy castings to resist cavitation.
Why Choose This Liner Kit?
Our cylinder kits feature an OEM-standard tri-metal structure that is trusted by repair shops & equipment fleets worldwide for dimensional stability, excellent heat dissipation, and dependable service life.
Speak to our parts support team to confirm engine compatibility, request volume quotes, or arrange international air/sea dispatch to your shop.
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