Water Pump Pulley 11511436590 For BMW E46 E39 E60 E61 X3 E83 X5 E53 E36 E85

The materials of automobile pulleys usually include the following:

1. Aluminum alloy: Aluminum alloy pulley is lightweight, high strength and good corrosion resistance, which is suitable for high-performance vehicles and racing cars and can improve the response speed of engine speed.

2. Steel: The steel pulley has high strength and good wear resistance, which is suitable for most ordinary vehicles and can bear large loads and impacts.

3. Cast iron: The cost of cast iron pulley is low, which is suitable for some economical vehicles, but its relative weight is relatively large.

4. Plastic: Plastic pulleys are light and low cost, and are suitable for some small vehicles with low power, but their wear resistance and high temperature resistance are poor.

Automobile pulleys made of different materials have their own characteristics:

1. Aluminum pulley: lightweight, high strength, corrosion resistance, suitable for high-performance vehicles, which can improve the engine response speed.

2. Steel pulley: high strength, good wear resistance, suitable for most vehicles, able to bear large load and impact.

3. Cast iron pulley: low cost, suitable for economical vehicles, but relatively heavy.

4. Plastic pulley: light and low cost, suitable for small vehicles, but poor wear resistance and high temperature resistance.

The selection of suitable pulley material can be determined according to the use demand and performance requirements of the vehicle, so as to ensure that the pulley can work normally and have a long service life.