The time to replace a spin on oil filter should not be based solely on a single criterion, but should be judged comprehensively based on the operating time, engine type, oil type, and actual working conditions.

General Motors/Light Diesel Vehicles
Mineral engine oil+regular filter: It is recommended to replace it every 5000 kilometers or 6 months.
Fully synthetic engine oil+long-lasting filter: It is recommended to replace it every 10000 kilometers or 12 months.
Commercial vehicles/heavy-duty diesel engines (such as trucks, excavators)
Usually calculated in hours of operation. Under normal operating conditions, it is recommended to replace it every 250 to 500 working hours.


Industrial/fixed equipment (such as screw air compressors, generator sets)
The oil filter element of an air compressor or generator is usually replaced together with the lubricating oil.
It is generally recommended to replace it every 500 working hours or every 3-6 months.