In-stock 5258625 Cummins ISDe QSB6.7 cylinder block. High-strength gray iron casting ensures deck rigidity in 6.7L heavy-duty engines. Precision-machined for Dongfeng Kinland and Sany SY215C fleets. Global shipping. Request wholesale quote!
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Cummins ISDe/QSB6.7 cylinder block (OEM: 5258625) engineered for heavy-duty industrial endurance.
Prevents deck warping and bore distortion in equipment including Dongfeng Kinland trucks, Liugong CLG856 loaders, and Sany SY215C excavators.
In stock for immediate global dispatch.
Overview: Reflecting Cummins’ technology leadership, the Ruich Value aftermarket Cummins ISDE cylinder block is the premier choice for rebuilding modern electronic diesel engines. Manufactured using advanced casting techniques and high-strength materials, this block is built for durability and performance. It serves as a direct aftermarket replacement for OEM part number 5258625, ensuring perfect compatibility with ISDE4.5 and ISDE6.7 platforms. With precision engineering at its core, this cylinder block meets the demands of high-pressure common-rail systems, making it the ideal solution for fleet maintenance of Dongfeng, Foton, and other commercial vehicles to restore original efficiency and power.
| Specification | Value |
|---|---|
| Product Type | Cylinder Block (Bare) |
| Material Grade | Alloyed Gray Iron (HT250/300) |
| Machining | CNC Precision Boring & Honing |
| Tolerance | Main Bearing Bore +/- 0.005mm |
| Pressure Tested | 100% Hydraulic & Water Jacket Tested |
| Surface Finish | Mirror Ground Deck Face |
| OEM Reference | 5258625 |
| Cross Reference | 5262106, 4945415, 3966244 |
| Typical Applications | Dongfeng Kinland, Liugong CLG856, Sany SY215C, Foton Aumark |
| Application Category | Heavy Logistics, Construction & Mining Machinery |
| Engine Model | Application Field | Typical Equipment Brands & Models |
|---|---|---|
| ISDE4.5 / ISDE6.7 | Medium-Duty Trucks | Dongfeng Kinland/Tianjin, Foton Auman, JAC Gallop |
| ISDE4.5 / ISDE6.7 | City & Intercity Buses | Yutong, King Long, Higer, Golden Dragon |
| ISDE4.5 | Construction Equipment | Liugong, SANY, XCMG (Excavators, Loaders) |
| ISDE6.7 | Power Generation | Cummins Power Generation Gensets |
Ruich Value supplies a dedicated range of Cummins cylinder blocks, including high-quality cast iron replacements for modern electronic engines. Our catalog covers key engine families such as the ISDE, ISBE, ISF, and ISL series as below. For a complete cross-reference of our Cummins ISDE 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: Excessive bearing clearance and engine knock under load. Diagnosis: In high-output construction equipment, cyclic loading stresses the bearing webs. If oil pressure fluctuates, fatigue stress concentration causes cracks near the main bearing saddles. Solution: Our 5258625 blocks utilize alloyed gray iron with nickel-chromium additives, providing a higher fatigue limit than standard blocks to handle 20-ton class excavator duty cycles.
A2: Technical Detail: Main bearing bore alignment and deck flatness are non-negotiable. Pro-Tip: Use high-pressure air to ensure all oil galleries are clear before installing the crankshaft. Debris left in the galleries is the #1 cause of new-engine failure in 6.7L rebuilds.
A3: Diagnosis: Modern common rail engines create extreme thermal expansion across the block deck. Our Solution: The HT300 equivalent alloyed iron resists deck warping, which ensures the head gasket remains perfectly sealed under high boost. This is vital for heavy trucks like the Dongfeng Kinland that operate at continuous high power.
For Any Inquiries, please feel free to contact us, Our sales teams are always glad to support your business