

The Sinotruk Howo 7 Cylinder Block represents the core foundation of the engine assembly, engineered for exceptional durability and performance in heavy-duty applications. As a vital component among Sinotruk Howo parts, this cylinder block ensures optimal power output and reliability under demanding conditions. Manufactured with precision and strict quality control, it guarantees seamless integration with other engine components while maintaining the highest standards of efficiency and longevity.
The Sinotruk Howo 7 Cylinder Block serves as the structural backbone of the engine, housing critical components like pistons, crankshaft, and camshaft. Constructed from high-grade cast iron, it provides exceptional thermal stability and mechanical strength. This cylinder block is engineered to withstand extreme pressures and temperatures while maintaining dimensional accuracy. Its robust design ensures minimal deformation under heavy loads, contributing to extended engine life.
Precision-machined cooling passages and oil galleries within the Sinotruk Howo 7 Cylinder Block optimize heat dissipation and lubrication efficiency. Advanced manufacturing techniques ensure perfect alignment of cylinder bores and bearing journals. The block incorporates reinforced webbing between cylinders to minimize vibration and noise. These features collectively enhance fuel efficiency and reduce emissions in compliance with modern environmental standards.
The Sinotruk Howo 7 Cylinder Block features integrated mounting points for auxiliary components like the oil pump, water pump, and fuel injection system. Its design includes strategically placed core plugs for manufacturing access and pressure testing. The cylinder block undergoes rigorous quality checks, including pressure testing and dimensional verification. This ensures compatibility with genuine Sinotruk Howo 7 parts and reliable performance in various operating conditions.
Engineered for easy maintenance, the Sinotruk Howo 7 Cylinder Block allows straightforward access to internal components during service. Its material composition resists corrosion and wear, even in challenging environments. The block’s design facilitates efficient coolant flow around cylinder liners, preventing hotspots. This attention to thermal management contributes to consistent performance and reduced thermal stress on engine components.
| Number | Material Encoding | Name | Quantity |
|---|---|---|---|
| 4 | VG29135 | Steering pump seal | 1 |
| 10 | VG1500010008A | Camshaft gear cover | 1 |
| 13 | VG1047010038 | Front oil seal | 1 |
| 14 | VG2600010928 | Front oil seal seat | 1 |
| 16 | VG9003080001 | Composite sealing washer | 6 |
| 17 | VG2600010934A | Front oil seal seat gasket | 1 |
| 18 | 190003962051 | Light-duty hexagon-head cylindrical screw plug | 1 |
| 21 | Q1841075 | Hexagon bolt with flange | 6 |
| 22 | 61557010008A | Timing gear chamber of double-cylinder air compressor | 1 |
| 23 | Q33212 | Type 2 all-metal hexagonal lock nut | 8 |
| 25 | Q5281220 | Elastic cylindrical pin | 4 |
| 26 | Q18408110 | Hexagon bolt with flange | 27 |
| 27 | Q1840875 | Hexagon bolt with flange | 7 |
| 28 | VG1400010032 | Sealing ring | 2 |
| 30 | VG1540010014B | Oil cooler cover | 1 |
| 31 | Q1840820 | Hexagon flange bolt_M8/8/20 | 2 |
| 31 | Q1840820 | Hexagon flange bolt_M8/8/20 | 1 |
| 32 | Q1840880 | Hexagon bolt with flange | 1 |
| 33 | VG1500019099 | Oil return pipe component | 1 |
| 34 | VG1500010175 | Rubber hose | 1 |
| 35 | VG609E110049 | Fixing plate | 2 |
| 37 | VG1500010600A | Upper oil level gauge pipe component assembly for HOVV | 1 |
| 38 | VG2600010705 | Lower oil level gauge pipe component | 1 |
| 39 | VG1800210011 | Access plate | 1 |
| 40 | Q15081018 | Hexagon head bolt | 1 |
| 41 | VG2600010832 | Anti-scald safety sign | 1 |
| 44 | VG61000010134 | Sealing ring | 1 |
| 45 | VG1460070011 | Rear screw plug of main oil duct | 1 |
| 46 | VG407010046 | Sealing ring | 1 |
| 47 | VG2600010831 | Anti-entanglement safety sign | 3 |
| 48 | VG1540010006 | Cylinder liner (Reference drawing R6154010006) | 6 |
| 49 | Q2500512 | Elastic cylindrical pin | 6 |
| 50 | Q1840855 | Hexagon bolt with flange | 6 |
| 51 | VG182550265 | O-shaped rubber sealing ring | 1 |
| 52 | VG1540010015C | Oil cooler cover gasket | 1 |
| 53 | VG15000190458 | Oil-gas separator assembly | 1 |
| 54 | VG19003989340 | Hose clamp | 1 |
| 55 | VG12000040038 | Rubber hose with fiber sandwich | 1 |
| 56 | VG1096019037 | Oil filter pipe assembly | 1 |
| 57 | VG29115 | Blanking cap | 1 |
| 58 | Q1840616 | Hexagon bolt with flange | 4 |
| 59 | Q1840616 | Hexagon bolt with flange | 1 |
| 60 | VG14010086A | Short oil filter pipe gasket | 1 |
| 61 | Q12008763 | Double-end stud-type-coated locking | 2 |
| 62 | Q1841025 | Hexagon bolt with flange | 3 |
| 63 | VG1500010005 | Cushion block | 2 |
| 64 | VG1500010046 | Main bearing bush pair | 7 |
| 65 | VG1034010176 | Thrust plate pair | 2 |
| 66 | VG2600010659 | Nozzle assembly | 6 |
| 67 | VG9003080005 | Composite sealing washer | 6 |
| 68 | VG9003080005 | Composite sealing washer | 1 |
| 69 | 19000362621 | Holow bolt | 6 |
| 70 | VG1047010060 | Rear oil seal assembly (Labyrinth type) | 1 |
| 71 | VG2600010735 | Composite washer | 1 |
| 72 | VG2600010735 | Composite washer | 1 |
| 73 | VG2600010830 | Air compressor gear cover | 1 |
Premium Material Quality: Our Sinotruk Howo 7 Cylinder Block is manufactured using high-grade cast iron that undergoes special heat treatment processes. This enhances its tensile strength and wear resistance, ensuring reliable performance under extreme operating conditions. The material composition prevents cracking and distortion, providing extended service life compared to conventional cylinder blocks.
Precision Engineering: Each Sinotruk Howo 7 Cylinder Block is machined with computer-controlled equipment for dimensional accuracy. Critical surfaces like cylinder bores and bearing journals maintain tight tolerances within 0.01mm. This precision ensures perfect compatibility with other engine components, reducing vibration and improving overall engine efficiency.
Rigorous Quality Assurance: Every cylinder block undergoes multiple quality checks including pressure testing, dimensional verification, and material composition analysis. We conduct endurance tests simulating real-world conditions to validate performance. This comprehensive testing protocol ensures that each Sinotruk Howo 7 Cylinder Block meets or exceeds OEM specifications.
Optimized Thermal Management: The advanced cooling passage design in our Sinotruk Howo 7 Cylinder Block ensures efficient heat dissipation from critical areas. This prevents overheating and thermal stress, contributing to consistent performance and reduced emissions. The optimized coolant flow pattern maintains uniform temperature distribution across all cylinders.
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