HOWO T5G SITRAK C7H Truck Parts 080v02511-0721 Piston for SINOTRUK Man Mc07 Engine Parts

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HOWO T5G SITRAK C7H Truck Parts 080v02511-0721 Piston for SINOTRUK Man Mc07 Engine Parts

Function

1. Forming the combustion chamber and withstanding combustion pressure: The piston top is designed with a precise combustion chamber recess, which, together with the cylinder head and cylinder liner, forms the combustion chamber space. It withstands the high-pressure combustion of the diesel fuel injected by the injector and the air mixture, converting chemical energy into mechanical energy, driving the connecting rod to do work, and realizing the engine's power output.

2. Sealing the cylinder and maintaining the compression ratio: In conjunction with the piston rings (080V02503-6810), a dynamic seal is formed on the cylinder wall, preventing high-pressure combustion gases from leaking into the crankcase, maintaining the engine's high compression ratio, ensuring that diesel fuel is fully compressed, heated, and auto-ignited, improving combustion efficiency, thermal efficiency, and fuel economy, while reducing emissions.

3. Reciprocating Motion and Power Transmission: The piston undergoes high-speed reciprocating linear motion within the cylinder liner, transmitting force to the connecting rod via the piston pin (080V02502-0129), and then to the crankshaft, achieving rotational power output.It withstands enormous reciprocating inertial forces and lateral thrust. Skirt design and pin hole offset optimize lateral force distribution, reducing piston sway, knocking, and cylinder liner wear.

4. Wear Resistance, Heat Resistance, and Fatigue Resistance: Constructed with high-strength steel or aluminum-silicon alloy with surface strengthening treatment, it is resistant to high temperatures, corrosion, and fatigue.

DETAILS

Replacement Recommendations

1. Usually replaced during an engine overhaul, every 800,000-1,500,000 kilometers.

2. Immediate replacement is required if there is uneven cylinder pressure, blue/black smoke, abnormal noise (knocking), abnormal oil consumption, or difficulty starting.

3. Recommended replacement parts: Also replace the piston ring kit (080V02503-6810), piston pin (080V02502-0129), circlip, connecting rod, cylinder liner, connecting rod bearings, etc.

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