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​The life expectancy of a diesel water pump can vary widely based on several factors, including the quality of the pump, the conditions under which it operates, and the maintenance it receives. Generally, a well-maintained diesel water pump can last anywhere from 10,000 to 20,000 hours of operation.

Nitrogen oxide sensors, which are utilized to monitor nitrogen oxide levels in exhaust gases, play a critical role in emission control systems for diesel engines. These sensors operate under high temperatures and harsh conditions, making them susceptible to failure due to factors such as pollution, carbon buildup, overheating, or electronic malfunctions.

​The material of Mercedes-Benz brake discs is ceramic. The brake pads of this material are used because the brake pads of this material have good wear resistance and mechanical strength, as well as their low braking noise. The brake pads are bonded with steel plates and have a heat insulation layer. And the friction block is composed of friction material and adhesive. When braking, it is squeezed on the brake disc or brake drum to generate friction, thereby achieving the purpose of deceleration.

For air springs sealed with a hoop ring, the general inflation pressure should not be less than 0.07 MPa; for those utilizing flange clamping or self-sealing under pressure, the inflation pressure must be no less than 0.1 MPa. Typically, the design pressure of an air spring is one-third of its burst pressure; in optimal working environments, this design pressure can reach up to half of its burst capacity.

​Why do we need to change the oil regularly? Oil is as important to the engine as blood is to the heart. Oil contains various additives that can effectively protect important moving parts of the engine and ensure its normal operation.

Forging is a kind of production and manufacturing method in which molten metal materials are poured into the mold cavity, cooled and solidified to obtain commodities. In the automobile industry, many parts are made of pig iron, which accounts for about 10% of the net weight of the vehicle. For example, the cylinder liner, gearbox housing, steering system housing, automobile rear axle housing, brake system drum, various supports and other casting iron parts generally use sand mold.