High-tensile 4946152 Cummins 6LT 8.9L cylinder block. Alloyed gray iron casting ensures deck rigidity and prevents bore distortion in Dongfeng Kinland trucks and Sany SY365 excavators. Precision-honed for peak compression. Global shipping. Request quote!
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The Cummins 6LT 8.9L cylinder block (OEM: 4946152) is a high-strength casting engineered for heavy-duty industrial endurance.
It prevents deck warping and fits equipment including Dongfeng Kinland trucks, Liugong CLG856 loaders, and Sany SY365 excavators.
In stock for immediate global dispatch.
Built on the Cummins performance heritage, the Ruich Value aftermarket Cummins 6LT cylinder block is the definitive choice for rebuilding L-series engines. Manufactured with high-strength cast iron and leveraging precision engineering, this block ensures maximum durability and longevity under heavy loads. It serves as a direct aftermarket replacement for OEM part number 4946152, guaranteeing correct fitment and restoring original performance. Ideal for fleet maintenance managers and rebuilders, this cylinder block provides the reliability needed for vocational trucks, transit buses, and other demanding commercial applications, minimizing downtime and extending service life.
| Specification | Value |
|---|---|
| Product Type | Cylinder Block (Bare) |
| Material Grade | HT300 Alloyed Gray Iron |
| Machining | CNC Precision Boring & Honing |
| Dimensional Tolerance | Main Bearing Bore +/- 0.005mm |
| Cylinder Liner Type | Wet/Dry Liner Compatibility |
| Pressure Tested | 100% Hydraulic & Water Jacket Tested (8.0 Bar) |
| Surface Finish | Mirror Ground Deck Face |
| OEM Reference | 4946152 |
| Cross Reference | 5260124, 4939518, 4929518 |
| Typical Applications | Dongfeng Kinland, Liugong CLG856, Sany SY365, Marine Gensets |
| Application Category | Heavy Logistics, Construction & Mining Machinery |
| Engine Model | Application Field | Typical Equipment Brands & Models |
|---|---|---|
| L10 / 6LT | Heavy & Medium-Duty Trucks | Peterbilt, Freightliner, International, Ford L-Series |
| ISL / L9 | Transit & School Buses | Gillig, New Flyer, Blue Bird, Thomas Built Buses |
| L-Series | Vocational & Refuse Trucks | Crane Carrier, Autocar, Mack TerraPro |
| L-Series | Off-Highway & Construction | Various excavators, cranes, and material handlers |
Ruich Value supplies a dedicated range of Cummins cylinder blocks, including high-quality cast iron replacements. Our catalog covers key engine families such as the L-Series (6LT, L10, ISL), C-Series, B-Series, and ISX models as below. For a complete cross-reference of our Cummins 6LT cylinder block and other models, please contact our sales team with your OEM part number.
| Model | Model | Model | Model |
|---|---|---|---|
| 4B/4BT | ISL/QSL9.3/6LT-9.3 | ISG | ISX/QSX15 |
| 6B/6BT/6D102 | QSC8.3 | ISLE | ISC |
| 6C/6CT (single thermostat) | X15 | K19 | ISDE4.5 |
| 6CT (double thermostat) | NT855 | ISF2.8 | ISDE6.7 |
| 6L/6LT | ISM11 | ISF3.8 | ISB6 E3 |
| ISB4.5 | ISB6.7 | QSB3.3 |
A1: Symptom: Irregular crankshaft rotation, knocking noise, and low oil pressure. Diagnosis: In 8.9L engines subjected to constant high torque, the main bearing webs can fatigue if vibration dampening is neglected. Solution: Our 4946152 blocks use alloyed HT300 iron with enhanced chromium content, which significantly increases structural rigidity to absorb the high firing loads of heavy-duty excavators.
A2: Technical Detail: Always verify that the block deck and cylinder head mating surfaces are perfectly clean. Pro-Tip: Use a precision straight-edge to confirm deck flatness; even a 0.05mm warp can cause the head gasket to leak prematurely, leading to coolant intrusion and internal block corrosion.
A3: Diagnosis: Heavy construction equipment (e.g., Sany SY365) requires the engine to run at full power for the majority of the duty cycle. Our Solution: The HT300 alloyed iron provides superior thermal stability, meaning the block expands and contracts uniformly under heat, ensuring the cylinder bores stay perfectly round and preventing the compression blow-by that plagues lower-grade cast iron blocks.




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