Get premium-quality Liner Kits for heavy-duty Cummins QSC8.3 series industrial engines. Our OEM Standard Replacement parts restore compression, lower fuel consumption, and withstand extreme thermal loads to minimize machinery downtime.
Verify fitment based on your engine serial number (ESN) with a specialist.
| Specification Parameter | Product Detail & OEM Standard Data |
|---|---|
| Model NO. | Cummins QSC8.3 / QSC 8.3 / C8.3 Series |
| Product Name | Liner Kits (Engine Cylinder Overhaul Assembly) |
| Piston Part Numbers | 3992118 / 4089346 |
| Cylinder Liner Part Number | 3948095 (Alternative: 3803544) |
| Piston Ring Part Number | 4089644 (Alternative: 4976252) |
| Product Type | Wet Cylinder Liner & Piston Ring Assembly |
| Condition | Brand New, OEM Standard Replacement |
| Minimum Order Quantity (MOQ) | 1 Piece / Complete Engine Set |
| Stock Status | In Stock / Fast Dispatch |
| Packaging | Heavy-Duty Industrial Export Packing |
| Payment & Delivery | T/T, Western Union, MoneyGram / Express, Air, Sea |
| No. | Core Factor | Our OEM Standard Kits (3948095 / 3992118) | Budget Aftermarket Parts |
|---|---|---|---|
| 1 | Piston Alloy | High-silicon aluminum with reinforced crown | Recycled cast aluminum (cracking risk) |
| 2 | Cavitation | Plateau honed with anti-cavitation coating | Raw cast iron walls with basic finish |
| 3 | Ring Tension | Plasma-sprayed ceramic or hard chrome | Standard ductile iron (fast tension loss) |
| 4 | Tolerances | Precision matched to ± 0.005mm | Loose tolerances (risk of oil leakage) |
| 5 | Heat Control | Optimized skirt design prevents piston slap | Uneven expansion (cylinder wall scoring) |
| 6 | Service Life | 10,000+ heavy-duty operating hours | Unpredictable lifespan with early failure risk |
Unusual smoke, power loss, or oil consumption require immediate action before total engine failure occurs. Our team helps operators:
Identify potential risks: We find liner cavitation or ring sticking early during maintenance.
Recommend replacement parts: We map the exact parts based on ESN to avoid wrong orders.
Support inspection & supply: Fast worldwide shipping of fully matched repair kits.
Get diagnostic advice today. Contact us: [email protected].
We supply high-durability rebuild parts for major engine brands: cummins, komatsu, Caterpillar, isuzu, kubota, yanmar, and weichai. Our stock includes Cylinder Liners, Pistons, Piston Rings, Crankshaft Bearings (Main Bearings), Connecting Rod Bearings, Thrust Washers, Overhaul Gasket Kits, Diesel Fuel Pumps, Fuel Injectors, Crankshafts, Turbochargers, Water Pumps, Oil Pumps, Cylinder Blocks, Cylinder Heads, and Connecting Rods.
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