Nazhihui
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| Engine Model | YC4S140-48(S56D1) |
|---|---|
| Rated Power | 140 HP (103 kW) |
| Rated Torque | 450 N·m @ 1400-1800 rpm |
| Emission Standard | Euro IV / China IV |
| Application Field | Heavy-duty trucks, 7-7.5m buses, 3.8-8t light-duty trucks, construction machinery (loaders, excavators) |
| Core Advantages | Low fuel consumption (≤198g/kW·h), strong reliability, -30℃ cold start capability |
Confirm Compatibility: All parts are 100% compatible with the YC4S140-48(S56D1) turbocharged diesel engine. With 3.8L displacement, 103kW rated power, and Euro IV compliance, this engine is widely used in medium/light-duty trucks and 4×2 vans. Our parts are tailored for its low-noise, fuel-efficient (199g/kW·h) design, meeting routine maintenance and emergency repair needs.
Parts Coverage: Our parts cover core systems of the engine: power core (cylinder block, piston, crankshaft damper), fuel & emission (injection pump, turbocharger, EGR), lubrication & cooling (oil pump, filter, water pump), and electrical & auxiliary (alternator, starter, ECU). EWP-marked wear parts are easy to identify.
Quality Assurance: All parts adhere to technical standards, with part numbers matching the original catalogue. Key components use high-strength materials; wear parts pass strict tests. We offer an 18-month or 150,000km warranty, plus 24-hour English technical guidance for seamless installation.
Practical Tips: For accurate selection, reference the original part number or provide your engine’s production batch. Our parts restore fuel efficiency and dynamic performance, minimizing downtime. Bulk orders enjoy preferential pricing.
1. S5500-1001000/02 Engine Suspension Assembly
| NO. | Part No. | Description | Qty. | Remark |
|---|---|---|---|---|
| 1 | S5500-1001001A | Front left support leg | 1 | |
| 2 | QT1841225TF2 | Bolt M12×25 | 8 | |
| 3 | S5500-1001002A | Front right support leg | 1 | |
| 4 | S5500-1001005 | After left support leg | 1 | |
| 5 | S5500-1001004 | After right support leg | 1 | |
| 6 | QT1841230TF2 | Bolt M12×30 | 6 |
2. S5500-1002000/01 Cylinder Block Assembly
| NO. | Part No. | Description | Qty | Remark |
|---|---|---|---|---|
| 1 | S2000-1002121A | Locating bush | 2 | |
| 3 | S2000-1002106 | Cylinder liner | 4 | |
| 7 | SA000-1002201 | Gear chamber | 1 | |
| 28 | S2000-1002120 | Camshaft bushing | 5 | Easy wear part |
3. S5500-1003000/03 Cylinder Head Assembly
| NO. | Part No. | Description | Qty | Remark |
|---|---|---|---|---|
| 1 | S2000-1003001-386 | Cylinder head gasket | 1 | Do not reuse after disassembly |
| 2 | S2000-1003111A | Intake valve | 8 | |
| 3 | S2000-1003103A | Exhaust valve | 8 | |
| 18 | SA000-1003201 | Cylinder head cover spacer | 1 | Easy wear part |
4. S2000-1004000/06 Piston & Con-rod Assembly
| No. | Part No. | Description | Qty. | Remark |
|---|---|---|---|---|
| 1 | S2000-1004002 | Compression ring | 4 | Easy wear part |
| 5 | S2000-1004004 | Piston pin | 4 | |
| 6 | S2000-1004001 | Piston | 4 | |
| 11 | S2000-1004204A | Con-rod bolt | 8 |
